Overall Green alert Tropical Cyclone for BERTHA-20
in United States

Global Telecommunication Service

GTS (Global Telecommunication Service) is the official Warning and Alerting channel by the World Meteorological Organization (WMO) adopted by several Warning Organizations. As soon as a new GTS message regarding Tropical Cyclones(WT) or Tsunami(WE) the messages are processed and possibly assigned to the specific event. When a new GTS message is present an new tab in the specific event report page is present.The presence of a GTS message is shown in the homepage with a dedicated icon.

Click on the messages list to visualize on the right the detailed text.

2020-05-28 04:03


Original Message :

WTNT82 EGRR 280402

MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC

GLOBAL MODEL DATA TIME 0000UTC 28.05.2020

TROPICAL DEPRESSION BERTHA ANALYSED POSITION : 35.2N 80.4W

ATCF IDENTIFIER : AL022020

LEAD CENTRAL MAXIMUM WIND
VERIFYING TIME TIME POSITION PRESSURE (MB) SPEED (KNOTS)
-------------- ---- -------- ------------- -------------
0000UTC 28.05.2020 0 35.2N 80.4W 1011 24
1200UTC 28.05.2020 12 CEASED TRACKING

NEW TROPICAL CYCLONE FORECAST TO DEVELOP AFTER 60 HOURS
FORECAST POSITION AT T+ 60 : 8.5N 95.1W

LEAD CENTRAL MAXIMUM WIND
VERIFYING TIME TIME POSITION PRESSURE (MB) SPEED (KNOTS)
-------------- ---- -------- ------------- -------------
1200UTC 30.05.2020 60 8.5N 95.1W 1005 33
0000UTC 31.05.2020 72 9.7N 92.2W 1003 43
1200UTC 31.05.2020 84 13.2N 89.8W 1002 33
0000UTC 01.06.2020 96 CEASED TRACKING

NEW TROPICAL CYCLONE FORECAST TO DEVELOP AFTER 108 HOURS
FORECAST POSITION AT T+108 : 8.6N 113.9W

LEAD CENTRAL MAXIMUM WIND
VERIFYING TIME TIME POSITION PRESSURE (MB) SPEED (KNOTS)
-------------- ---- -------- ------------- -------------
1200UTC 01.06.2020 108 8.6N 113.9W 1007 26
0000UTC 02.06.2020 120 9.2N 113.5W 1007 24
1200UTC 02.06.2020 132 10.0N 113.9W 1008 21
0000UTC 03.06.2020 144 10.0N 114.6W 1008 22


THIS INFORMATION IS PROVIDED AS GUIDANCE FOR TROPICAL CYCLONE
RSMCS. IT REQUIRES INTERPRETATION BY TROPICAL CYCLONE SPECIALISTS
AND SHOULD NOT BE CONSIDERED AS A FINAL PRODUCT.

MET OFFICE, EXETER, UK

TOO 280402

>

2020-05-28 04:03


Original Message :

WTNT80 EGRR 280402

MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

AND ATLANTIC

GLOBAL MODEL DATA TIME 00UTC 28.05.2020

TROPICAL DEPRESSION BERTHA ANALYSED POSITION : 35.2N 80.4W

ATCF IDENTIFIER : AL022020

VERIFYING TIME POSITION STRENGTH TENDENCY
-------------- -------- -------- --------
00UTC 28.05.2020 35.2N 80.4W WEAK
12UTC 28.05.2020 BELOW TROPICAL STORM STRENGTH

NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 60 HOURS
FORECAST POSITION AT T+ 60 : 8.5N 95.1W

VERIFYING TIME POSITION STRENGTH TENDENCY
-------------- -------- -------- --------
12UTC 30.05.2020 8.5N 95.1W WEAK
00UTC 31.05.2020 9.7N 92.2W WEAK LITTLE CHANGE
12UTC 31.05.2020 13.2N 89.8W WEAK LITTLE CHANGE
00UTC 01.06.2020 BELOW TROPICAL STORM STRENGTH

NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 108 HOURS
FORECAST POSITION AT T+108 : 8.6N 113.9W

VERIFYING TIME POSITION STRENGTH TENDENCY
-------------- -------- -------- --------
12UTC 01.06.2020 8.6N 113.9W WEAK
00UTC 02.06.2020 9.2N 113.5W WEAK LITTLE CHANGE
12UTC 02.06.2020 10.0N 113.9W WEAK LITTLE CHANGE
00UTC 03.06.2020 10.0N 114.6W WEAK LITTLE CHANGE


THIS INFORMATION IS PROVIDED AS GUIDANCE FOR TROPICAL CYCLONE
RSMCS. IT REQUIRES INTERPRETATION BY TROPICAL CYCLONE SPECIALISTS
AND SHOULD NOT BE CONSIDERED AS A FINAL PRODUCT.

BULLETINS ARE NOW AVAILABLE WHICH PROVIDE EXPLICIT GUIDANCE
ON CENTRAL PRESSURE AND MAXIMUM WIND SPEED.
FOR FURTHER INFORMATION CONTACT TROPICAL_CYCLONES@METOFFICE.GOV.UK

MET OFFICE, EXETER, UK

TOO 280402

>

2020-05-27 20:36


Original Message :

WTNT42 KNHC 272034
TCDAT2

Tropical Depression Bertha Discussion Number 3
NWS National Hurricane Center Miami FL AL022020
500 PM EDT Wed May 27 2020

Surface observations and WSR-88D radar data indicate that the
center of Bertha continues to move farther inland across central
and northern South Carolina. Based on surface observations, the
maximum sustained winds have decreased to near 25 kt, with these
winds mainly along the coastal areas to the east of the center.
Additional weakening is expected as the system moves farther
inland, with Bertha forecast to decay to a remnant low pressure
area on Thursday, followed by dissipation on Thursday night.

The initial motion is 340/13. The cyclone is located between the
subtropical ridge to the east and a large deep-layer low pressure
area over the lower Mississippi River valley. These features
should steer the system and its associated rainfall generally
northward during the next day or so, followed by a turn toward the
north-northeast before dissipation between 24-36 h. The new
forecast track is nudged a little to the west of the previous track
based mainly on the initial location and motion.

This is the last advisory on Bertha issued by the National
Hurricane Center. Future information on this system can be found in
Public Advisories issued by the Weather Prediction Center beginning
at 11 PM EDT, under AWIPS header TCPAT2, WMO header WTNT32 KWNH,
and on the web at http://www.wpc.ncep.noaa.gov.

Key Messages:

1. Bertha may produce life-threatening flash flooding across
portions of northeastern South Carolina into west central to
far southeast North Carolina and Southwest Virginia. Ongoing river
flooding will be aggravated and recessions prolonged in the region.


FORECAST POSITIONS AND MAX WINDS

INIT 27/2100Z 34.4N 80.3W 25 KT 30 MPH...INLAND
12H 28/0600Z 37.0N 80.7W 25 KT 30 MPH...INLAND
24H 28/1800Z 41.7N 79.7W 20 KT 25 MPH...POST-TROP/REMNT LOW
36H 29/0600Z...DISSIPATED

$$
Forecaster Beven

>

2020-05-27 20:36


Original Message :

WTNT32 KNHC 272033
TCPAT2

BULLETIN
Tropical Depression Bertha Advisory Number 3
NWS National Hurricane Center Miami FL AL022020
500 PM EDT Wed May 27 2020

...CENTER OF BERTHA MOVING FARTHER INLAND...
...HEAVY RAINFALL SPREADING ACROSS THE CAROLINAS...


SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...34.4N 80.3W
ABOUT 55 MI...85 KM ENE OF COLUMBIA SOUTH CAROLINA
ABOUT 95 MI...150 KM WNW OF MYRTLE BEACH SOUTH CAROLINA
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...NNW OR 340 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES


WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.


DISCUSSION AND OUTLOOK
----------------------
At 500 PM EDT (2100 UTC), the center of Tropical Depression Bertha
was located near latitude 34.4 North, longitude 80.3 West. The
depression is moving toward the north-northwest near 15 mph
(24 km/h). A turn toward the north at a faster forward speed is
expected tonight, followed by a turn toward the north-northeast on
Thursday. On the forecast track, Bertha will move across northern
South Carolina this evening and into central North Carolina and
southwestern Virginia later tonight.

Maximum sustained winds have decreased to near 30 mph (45 km/h)
with higher gusts, mainly along the coast to the east of the
center. Additional weakening is expected, and Bertha is forecast
to degenerate to a remnant low pressure area on Thursday.

The estimated minimum central pressure is 1008 mb (29.77 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL: Bertha is expected to produce total rain accumulation of
2 to 4 inches with isolated totals of 8 inches across northeastern
South Carolina into west central to far southeastern North Carolina
and southwest Virginia. Given very saturated antecedent
conditions, this rainfall may produce life threatening flash
flooding, aggravate and prolong ongoing river flooding, and produce
rapid out of bank rises on smaller rivers.

WIND: Gusty winds will continue over portions of eastern South
Carolina this evening.


NEXT ADVISORY
-------------
This is the last public advisory issued by the National Hurricane
Center on this system. Future information on this system can be
found in Public Advisories issued by the Weather Prediction Center
beginning at 11 PM EDT, under AWIPS header TCPAT2, WMO header
WTNT32 KWNH, and on the web at http://www.wpc.ncep.noaa.gov.

$$
Forecaster Beven

>

2020-05-27 20:36


Original Message :

WTNT22 KNHC 272033
TCMAT2

TROPICAL DEPRESSION BERTHA FORECAST/ADVISORY NUMBER 3
NWS NATIONAL HURRICANE CENTER MIAMI FL AL022020
2100 UTC WED MAY 27 2020

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

TROPICAL DEPRESSION CENTER LOCATED NEAR 34.4N 80.3W AT 27/2100Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 340 DEGREES AT 13 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1008 MB
MAX SUSTAINED WINDS 25 KT WITH GUSTS TO 35 KT.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT...CENTER LOCATED NEAR 34.4N 80.3W AT 27/2100Z
AT 27/1800Z CENTER WAS LOCATED NEAR 33.6N 80.2W

FORECAST VALID 28/0600Z 37.0N 80.7W...INLAND
MAX WIND 25 KT...GUSTS 35 KT.

FORECAST VALID 28/1800Z 41.7N 79.7W...POST-TROP/REMNT LOW
MAX WIND 20 KT...GUSTS 30 KT.

FORECAST VALID 29/0600Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 34.4N 80.3W

THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE
CENTER ON THIS SYSTEM. FUTURE INFORMATION ON THIS SYSTEM CAN BE
FOUND IN PUBLIC ADVISORIES ISSUED BY THE WEATHER PREDICTION CENTER
BEGINNING AT 0300 UTC UNDER AWIPS HEADER TCPAT2, WMO HEADER
WTNT32 KWNH, AND ON THE WEB AT HTTP://WWW.WPC.NCEP.NOAA.GOV.

$$
FORECASTER BEVEN

>

2020-05-27 17:47


Original Message :

WTNT32 KNHC 271746
TCPAT2

BULLETIN
Tropical Depression Bertha Intermediate Advisory Number 2A
NWS National Hurricane Center Miami FL AL022020
200 PM EDT Wed May 27 2020

...BERTHA WEAKENS TO A TROPICAL DEPRESSION...
...HEAVY RAINFALL SPREADING ACROSS THE CAROLINAS...


SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...33.7N 80.2W
ABOUT 65 MI...105 KM NNW OF CHARLESTON SOUTH CAROLINA
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...NNW OR 330 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:

All Tropical Storm Warnings have been discontinued.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

There are no coastal watches or warnings in effect.

For storm information specific to your area, including possible
inland watches and warnings, please monitor products issued by your
local National Weather Service forecast office.


DISCUSSION AND OUTLOOK
----------------------
At 200 PM EDT (1800 UTC), the center of Tropical Depression Bertha
was located near latitude 33.7 North, longitude 80.2 West. Bertha is
moving toward the north-northwest near 15 mph (24 km/h). This
general motion is expected to continue through tonight, followed by
a turn to the north along with an increase in forward speed on
Thursday. On the forecast track, Bertha will move across northern
South Carolina later today and into central North Carolina by
tonight.

Maximum sustained winds have decreased to near 35 mph (55 km/h)
with higher gusts, mainly along the coast to the east of the center.
Additional weakening is forecast during the next 48 hours, and
Bertha is expected to become a remnant low tonight.

At Oyster Landing, SC a wind gust to 41 mph (66 km/h) was reported
at 1245 PM EDT

The estimated minimum central pressure is 1007 mb (29.74 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL: Bertha is expected to produce total rain accumulation of
2 to 4 inches with isolated totals of 8 inches across eastern and
central South Carolina into west central to far southeastern North
Carolina and southwest Virginia. Given very saturated antecedent
conditions, this rainfall may produce life threatening flash
flooding, aggravate and prolong ongoing river flooding, and produce
rapid out of bank rises on smaller rivers.

WIND: Gusty winds will continue over eastern South Carolina
for the remainder of today.


NEXT ADVISORY
-------------
Next complete advisory at 500 PM EDT.

$$
Forecaster Latto

>

2020-05-27 16:21


Original Message :

WTNT82 EGRR 271619

MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC

GLOBAL MODEL DATA TIME 1200UTC 27.05.2020

TROPICAL DEPRESSION 91L ANALYSED POSITION : 32.5N 79.7W

ATCF IDENTIFIER : AL912020

LEAD CENTRAL MAXIMUM WIND
VERIFYING TIME TIME POSITION PRESSURE (MB) SPEED (KNOTS)
-------------- ---- -------- ------------- -------------
1200UTC 27.05.2020 0 32.5N 79.7W 1010 31
0000UTC 28.05.2020 12 34.9N 80.6W 1010 23
1200UTC 28.05.2020 24 39.4N 80.6W 1012 18
0000UTC 29.05.2020 36 CEASED TRACKING

TROPICAL STORM BERTHA ANALYSED POSITION : 32.5N 79.7W

ATCF IDENTIFIER : AL022020

LEAD CENTRAL MAXIMUM WIND
VERIFYING TIME TIME POSITION PRESSURE (MB) SPEED (KNOTS)
-------------- ---- -------- ------------- -------------
1200UTC 27.05.2020 0 32.5N 79.7W 1010 31
0000UTC 28.05.2020 12 34.9N 80.6W 1010 23
1200UTC 28.05.2020 24 39.4N 80.6W 1012 18
0000UTC 29.05.2020 36 CEASED TRACKING

NEW TROPICAL CYCLONE FORECAST TO DEVELOP AFTER 78 HOURS
FORECAST POSITION AT T+ 78 : 9.2N 92.4W

LEAD CENTRAL MAXIMUM WIND
VERIFYING TIME TIME POSITION PRESSURE (MB) SPEED (KNOTS)
-------------- ---- -------- ------------- -------------
0000UTC 31.05.2020 84 12.4N 90.0W 1003 41
1200UTC 31.05.2020 96 14.0N 89.2W 1003 29
0000UTC 01.06.2020 108 16.7N 88.7W 1004 37
1200UTC 01.06.2020 120 17.7N 88.3W 1005 33
0000UTC 02.06.2020 132 18.7N 88.6W 1005 27
1200UTC 02.06.2020 144 18.9N 89.3W 1006 28

NEW TROPICAL CYCLONE FORECAST TO DEVELOP AFTER 120 HOURS
FORECAST POSITION AT T+120 : 17.7N 88.3W

LEAD CENTRAL MAXIMUM WIND
VERIFYING TIME TIME POSITION PRESSURE (MB) SPEED (KNOTS)
-------------- ---- -------- ------------- -------------
1200UTC 01.06.2020 120 17.7N 88.3W 1005 33
0000UTC 02.06.2020 132 18.7N 88.6W 1005 27
1200UTC 02.06.2020 144 18.9N 89.3W 1006 28


THIS INFORMATION IS PROVIDED AS GUIDANCE FOR TROPICAL CYCLONE
RSMCS. IT REQUIRES INTERPRETATION BY TROPICAL CYCLONE SPECIALISTS
AND SHOULD NOT BE CONSIDERED AS A FINAL PRODUCT.

MET OFFICE, EXETER, UK

TOO 271619

>

2020-05-27 16:21


Original Message :

WTNT80 EGRR 271619

MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

AND ATLANTIC

GLOBAL MODEL DATA TIME 12UTC 27.05.2020

TROPICAL DEPRESSION 91L ANALYSED POSITION : 32.5N 79.7W

ATCF IDENTIFIER : AL912020

VERIFYING TIME POSITION STRENGTH TENDENCY
-------------- -------- -------- --------
12UTC 27.05.2020 32.5N 79.7W WEAK
00UTC 28.05.2020 34.9N 80.6W WEAK LITTLE CHANGE
12UTC 28.05.2020 39.4N 80.6W WEAK LITTLE CHANGE
00UTC 29.05.2020 BELOW TROPICAL STORM STRENGTH

TROPICAL STORM BERTHA ANALYSED POSITION : 32.5N 79.7W

ATCF IDENTIFIER : AL022020

VERIFYING TIME POSITION STRENGTH TENDENCY
-------------- -------- -------- --------
12UTC 27.05.2020 32.5N 79.7W WEAK
00UTC 28.05.2020 34.9N 80.6W WEAK LITTLE CHANGE
12UTC 28.05.2020 39.4N 80.6W WEAK LITTLE CHANGE
00UTC 29.05.2020 BELOW TROPICAL STORM STRENGTH

NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 78 HOURS
FORECAST POSITION AT T+ 78 : 9.2N 92.4W

VERIFYING TIME POSITION STRENGTH TENDENCY
-------------- -------- -------- --------
00UTC 31.05.2020 12.4N 90.0W WEAK INTENSIFYING RAPIDLY
12UTC 31.05.2020 14.0N 89.2W WEAK LITTLE CHANGE
00UTC 01.06.2020 16.7N 88.7W WEAK LITTLE CHANGE
12UTC 01.06.2020 17.7N 88.3W WEAK LITTLE CHANGE
00UTC 02.06.2020 18.7N 88.6W WEAK LITTLE CHANGE
12UTC 02.06.2020 18.9N 89.3W WEAK LITTLE CHANGE

NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 120 HOURS
FORECAST POSITION AT T+120 : 17.7N 88.3W

VERIFYING TIME POSITION STRENGTH TENDENCY
-------------- -------- -------- --------
12UTC 01.06.2020 17.7N 88.3W WEAK
00UTC 02.06.2020 18.7N 88.6W WEAK LITTLE CHANGE
12UTC 02.06.2020 18.9N 89.3W WEAK LITTLE CHANGE


THIS INFORMATION IS PROVIDED AS GUIDANCE FOR TROPICAL CYCLONE
RSMCS. IT REQUIRES INTERPRETATION BY TROPICAL CYCLONE SPECIALISTS
AND SHOULD NOT BE CONSIDERED AS A FINAL PRODUCT.

BULLETINS ARE NOW AVAILABLE WHICH PROVIDE EXPLICIT GUIDANCE
ON CENTRAL PRESSURE AND MAXIMUM WIND SPEED.
FOR FURTHER INFORMATION CONTACT TROPICAL_CYCLONES@METOFFICE.GOV.UK

MET OFFICE, EXETER, UK

TOO 271619

>

2020-05-27 14:34


Original Message :

WTNT42 KNHC 271432
TCDAT2

Tropical Storm Bertha Discussion Number 2
NWS National Hurricane Center Miami FL AL022020
1100 AM EDT Wed May 27 2020

The circulation of Bertha remained compact yet well-defined
through landfall, which occurred around 930 AM EDT near Mount
Pleasant, South Carolina. Buoy data around that time indicated
that maximum sustained winds had increased to around 45 kt.
Although the center has moved inland, a strong rain band with
onshore flow continues to slowly migrate northward along the South
Carolina coast. Therefore it is anticipated that
tropical-storm-force winds will remain possible in the warning area
over the next few hours. Bertha is expected to weaken to a tropical
depression later today, then weaken to a remnant low tonight as the
center moves farther inland.

Model guidance is in good agreement on taking the weakening cyclone
north to north-northwestward through tonight, followed by a turn to
the north-northeast along with an increase in forward speed later on
Thursday. This official track is only slightly east of the previous
one and is near the multi-model consensus.

Key Messages:

1. Bertha may produce life-threatening flash flooding across
portions of eastern to central South Carolina into west central to
far southeast North Carolina and Southwest Virginia. Ongoing river
flooding will be aggravated and recessions prolonged in the region.

2. Bertha is expected to continue to bring tropical storm winds to
portions of the South Carolina coast within the warning area over
next few hours.


FORECAST POSITIONS AND MAX WINDS

INIT 27/1500Z 33.3N 79.5W 45 KT 50 MPH
12H 28/0000Z 35.2N 80.0W 30 KT 35 MPH...INLAND
24H 28/1200Z 38.8N 79.9W 20 KT 25 MPH...INLAND
36H 29/0000Z...DISSIPATED

$$
Forecaster Latto/Beven

>

2020-05-27 14:34


Original Message :

WTNT32 KNHC 271432
TCPAT2

BULLETIN
Tropical Storm Bertha Advisory Number 2
NWS National Hurricane Center Miami FL AL022020
1100 AM EDT Wed May 27 2020

...TROPICAL STORM BERTHA MAKES LANDFALL NEAR MOUNT PLEASANT...
...HEAVY RAINFALL EXPECTED TO SPREAD NORTHWARD...


SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...33.3N 79.5W
ABOUT 40 MI...65 KM NE OF CHARLESTON SOUTH CAROLINA
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...N OR 350 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Tropical Storm Warning is in effect for the coast of South
Carolina from Edisto Beach to South Santee River.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Tropical Storm Warning is in effect for...
* Edisto Beach SC to South Santee River SC

A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning, in this case for the next
few hours.

For storm information specific to your area, including possible
inland watches and warnings, please monitor products issued by your
local National Weather Service forecast office.


DISCUSSION AND OUTLOOK
----------------------
At 1100 AM EDT (1500 UTC), the center of Tropical Storm Bertha was
located near latitude 33.3 North, longitude 79.5 West. Bertha is
moving toward the north near 15 mph (24 km/h) and this
general motion is expected to continue through tonight with a
gradual increase in forward speed. On the forecast track, Bertha
will move inland across eastern and northern South Carolina later
today and into central North Carolina by tonight.

Maximum sustained winds are near 50 mph (85 km/h) with higher gusts.
weakening is forecast during the next 48 hours. Bertha is expected
to weaken to a tropical depression later today and become a remnant
low tonight.

Tropical-storm-force winds extend outward up to 25 miles (35 km)
from the center.

The estimated minimum central pressure is 1005 mb (29.68 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL: Bertha is expected to produce total rain accumulation of
2 to 4 inches with isolated totals of 8 inches across eastern and
central South Carolina into west central to far southeastern North
Carolina and southwest Virginia. Given very saturated antecedent
conditions, this rainfall may produce life threatening flash
flooding, aggravate and prolong ongoing river flooding, and produce
rapid out of bank rises on smaller rivers.

WIND: Tropical storm conditions are expected to continue near the
coast for the next few hours.


NEXT ADVISORY
-------------
Next intermediate advisory at 200 PM EDT.
Next complete advisory at 500 PM EDT.

$$
Forecaster Latto/Beven

>

2020-05-27 14:34


Original Message :

WTNT22 KNHC 271432
TCMAT2

TROPICAL STORM BERTHA FORECAST/ADVISORY NUMBER 2
NWS NATIONAL HURRICANE CENTER MIAMI FL AL022020
1500 UTC WED MAY 27 2020

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR THE COAST OF SOUTH
CAROLINA FROM EDISTO BEACH TO SOUTH SANTEE RIVER.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* EDISTO BEACH SC TO SOUTH SANTEE RIVER SC

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING...IN THIS CASE FOR THE NEXT
FEW HOURS.

TROPICAL STORM CENTER LOCATED NEAR 33.3N 79.5W AT 27/1500Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTH OR 350 DEGREES AT 13 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB
MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT.
34 KT....... 20NE 20SE 0SW 0NW.
12 FT SEAS.. 0NE 30SE 0SW 0NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT...CENTER LOCATED NEAR 33.3N 79.5W AT 27/1500Z
AT 27/1200Z CENTER WAS LOCATED NEAR 32.6N 79.4W

FORECAST VALID 28/0000Z 35.2N 80.0W...INLAND
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 28/1200Z 38.8N 79.9W...INLAND
MAX WIND 20 KT...GUSTS 30 KT.

FORECAST VALID 29/0000Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 33.3N 79.5W

INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPAT2...AT 27/1800Z

NEXT ADVISORY AT 27/2100Z

$$
FORECASTER LATTO/BEVEN

>

2020-05-27 13:33


Original Message :

WTNT62 KNHC 271330
TCUAT2

Tropical Storm Bertha Tropical Cyclone Update
NWS National Hurricane Center Miami FL AL022020
930 AM EDT Wed May 27 2020


...BERTHA MAKES LANDFALL ALONG THE SOUTH CAROLINA COAST...

Coastal radar data indicates that the center of Tropical
Storm Bertha has made landfall along the coast of South Carolina
east of Charleston. Recent data from NOAA and CORMP buoys show that
maximum sustained winds increased to near 50 mph (80 km/h) before
landfall.

SUMMARY OF 930 AM EDT...1330 UTC...INFORMATION
----------------------------------------------
LOCATION...32.9N 79.7W
ABOUT 20 MI...30 KM E OF CHARLESTON SOUTH CAROLINA
MAXIMUM SUSTAINED WINDS...50 MPH...80 KM/H
PRESENT MOVEMENT...NW OR 320 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES

$$
Forecaster Beven

>

2020-05-27 12:11


Original Message :

WTNT42 KNHC 271209
TCDAT2

Tropical Storm Bertha Special Discussion Number 1
NWS National Hurricane Center Miami FL AL022020
830 AM EDT Wed May 27 2020

The area of disturbed weather that NHC has been tracking over the
past day or so has quickly become better organized this morning.
The circulation has become better defined and the center has
reformed beneath the area of deep convection just offshore of the
coast of South Carolina. Recent NWS Doppler radar data from
Charleston and buoy data indicates that the system is producing
tropical-storm-force winds. Therefore, advisories are being
initiated on Tropical Storm Bertha. The system will be moving
inland very shortly and little, if any, additional strengthening is
expected. Once inland, the small tropical cyclone should weaken
rapidly and dissipated over central North Carolina on Thursday.

There is very little continuity on the initial motion since the
center has only recently formed. The best estimate of the initial
motion is 320/8 kt. The system should continue to move generally
northwestward around the western side of a mid-level ridge located
over the western Atlantic. The track guidance is in good agreement
on this scenario, and the NHC track forecast is close to a blend of
the GFS and ECMWF models.

Key Messages:

1. Bertha is expected to produce heavy rainfall across portions of
eastern and central South Carolina, west-central to far
southeastern North Carolina, and southwest Virginia. This rainfall
may produce life-threatening flash flooding.

2. Bertha is expected to bring tropical storm winds to portions of
the South Carolina coast within the warning area in the next few
hours.

FORECAST POSITIONS AND MAX WINDS

INIT 27/1230Z 32.7N 79.4W 40 KT 45 MPH
12H 27/1800Z 33.2N 80.0W 30 KT 35 MPH...INLAND
24H 28/0600Z 35.8N 81.0W 20 KT 25 MPH...INLAND
36H 28/1800Z...DISSIPATED

$$
Forecaster Brennan/Brown

>

2020-05-27 12:09


Original Message :

WTNT32 KNHC 271207
TCPAT2

BULLETIN
Tropical Storm Bertha Special Advisory Number 1
NWS National Hurricane Center Miami FL AL022020
830 AM EDT Wed May 27 2020

...TROPICAL STORM BERTHA FORMS NEAR THE COAST OF SOUTH CAROLINA...
...TROPICAL STORM WARNING ISSUED AND HEAVY RAINFALL EXPECTED...


SUMMARY OF 830 AM EDT...1230 UTC...INFORMATION
----------------------------------------------
LOCATION...32.7N 79.4W
ABOUT 30 MI...50 KM ESE OF CHARLESTON SOUTH CAROLINA
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...NW OR 320 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...1009 MB...29.80 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:

A Tropical Storm Warning is in effect for the coast of South
Carolina from Edisto Beach to South Santee River.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Tropical Storm Warning is in effect for...
* Edisto Beach SC to South Santee River SC

A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning, in this case in the next few
hours.

For storm information specific to your area, including possible
inland watches and warnings, please monitor products issued by your
local National Weather Service forecast office.


DISCUSSION AND OUTLOOK
----------------------
At 830 AM EDT (1230 UTC), the center of Tropical Storm Bertha was
located near latitude 32.7 North, longitude 79.4 West. Bertha is
moving toward the northwest near 9 mph (15 km/h) and this motion is
expected to continue through tonight. On the forecast track the
center of Bertha will move onshore in the warning area in the next
few hours and the move inland across eastern and northern South
Carolina later today and into west-central North Carolina by
tonight.

Maximum sustained winds are near 45 mph (75 km/h) with higher gusts.
Bertha is expected to weaken to a tropical depression after moving
inland and become a remnant low tonight.

Tropical-storm-force winds extend outward up to 25 miles (35 km)
from the center.

The estimated minimum central pressure is 1009 mb (29.80 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL: Bertha is expected to produce total rain accumulation of
2 to 4 inches with isolated totals of 8 inches across eastern and
central South Carolina into west central to far southeastern
North Carolina and southwest Virginia. This rainfall may produce
life-threatening flash flooding.

WIND: Tropical storm conditions are expected to reach the coast
within the warning area in the next couple of hours.


NEXT ADVISORY
-------------
Next complete advisory at 1100 AM EDT.

$$
Forecaster Brennan

>

2020-05-27 12:08


Original Message :

WTNT22 KNHC 271206
TCMAT2

TROPICAL STORM BERTHA SPECIAL FORECAST/ADVISORY NUMBER 1
NWS NATIONAL HURRICANE CENTER MIAMI FL AL022020
1230 UTC WED MAY 27 2020

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

A TROPICAL STORM WARNING IS IN EFFECT FOR THE COAST OF SOUTH
CAROLINA FROM EDISTO BEACH TO SOUTH SANTEE RIVER.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* EDISTO BEACH SC TO SOUTH SANTEE RIVER SC

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING...IN THIS CASE IN THE NEXT FEW
HOURS.

TROPICAL STORM CENTER LOCATED NEAR 32.7N 79.4W AT 27/1230Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 320 DEGREES AT 8 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1009 MB
MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT.
34 KT....... 20NE 20SE 0SW 0NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT...CENTER LOCATED NEAR 32.7N 79.4W AT 27/1230Z
AT 27/0600Z CENTER WAS LOCATED NEAR 31.5N 79.6W

FORECAST VALID 27/1800Z 33.2N 80.0W...INLAND
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 28/0600Z 35.8N 81.0W...INLAND
MAX WIND 20 KT...GUSTS 30 KT.

FORECAST VALID 28/1800Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 32.7N 79.4W

NEXT ADVISORY AT 27/1500Z

$$
FORECASTER BRENNAN/BROWN

>