Overall Green alert Tropical Cyclone for FLORENCE-18
in United States
12 Sep 2018 21 UTC
click on to select bulletin time
GDACS
Impact Single TC
Impact all weather systems in the area

Impact

Tropical Cyclone FLORENCE-18 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source GDACS
Exposed countries United States
Exposed population 1.5 million in Category 1 or higher
Maximum wind speed 241 km/h
Maximum storm surge 2.2 m (14 Sep 18:00 UTC)
Vulnerability Low (United States)

GDACS Score

GDACS alert score for Tropical Cyclones is 0.5 (GREEN Alert), 1.5 (ORANGE Alert), 2.5 (RED Alert)
For more info on GDACS alert score click here.
  Wind Storm surge Rainfall GDACS score
GDACS Current 204 km/h n.a. n.a. 1.5
GDACS Overall 241 km/h 2.2 m n.a. 1.5

Maximum winds, storm surge, rainfall (Current: over the next 72 h, Overall: entire TC track)

Wind

204 km/h Current Max.

Up to 2.5 million people in Category 1 strength or higher (see SSHS)

Impact Timeline

Alert Date (UTC) Max Winds (km/h) Population in
Tropical Storm or higher
Population in
Cat 1. or higher
Countries
Green 1 30 Aug 2018 15:00 120 50 thousand No people Cape Verde
Green 2 30 Aug 2018 21:00 120 40 thousand No people Cape Verde
Green 3 31 Aug 2018 03:00 120 7 thousand No people
Green 4 31 Aug 2018 09:00 120 50 thousand No people Cape Verde
Green 5 31 Aug 2018 15:00 120 No people No people
Green 6 31 Aug 2018 21:00 111 No people No people
Green 7 01 Sep 2018 03:00 111 No people No people
Green 8 01 Sep 2018 09:00 111 No people No people
Green 9 01 Sep 2018 15:00 111 No people No people
Green 10 01 Sep 2018 21:00 102 No people No people
Green 11 02 Sep 2018 03:00 102 No people No people
Green 12 02 Sep 2018 09:00 102 No people No people
Green 13 02 Sep 2018 15:00 102 No people No people
Green 14 02 Sep 2018 21:00 102 No people No people
Green 15 03 Sep 2018 03:00 93 No people No people
Green 16 03 Sep 2018 09:00 102 No people No people
Green 17 03 Sep 2018 15:00 111 No people No people
Green 18 03 Sep 2018 21:00 111 No people No people
Green 19 04 Sep 2018 03:00 111 No people No people
Green 20 04 Sep 2018 09:00 120 No people No people
Green 21 04 Sep 2018 15:00 120 No people No people
Green 22 04 Sep 2018 21:00 148 No people No people
Green 23 05 Sep 2018 03:00 167 No people No people
Green 24 05 Sep 2018 09:00 167 No people No people
Green 25 05 Sep 2018 15:00 204 No people No people
Green 26 05 Sep 2018 21:00 213 No people No people
Green 27 06 Sep 2018 03:00 213 No people No people
Green 28 06 Sep 2018 09:00 204 No people No people
Green 29 06 Sep 2018 15:00 194 No people No people
Green 30 06 Sep 2018 21:00 194 No people No people
Green 31 07 Sep 2018 03:00 204 No people No people
Green 32 07 Sep 2018 09:00 204 No people No people
Green 33 07 Sep 2018 15:00 213 No people No people
Green 34 07 Sep 2018 21:00 213 No people No people
Green 35 08 Sep 2018 03:00 213 No people No people
Green 36 08 Sep 2018 09:00 231 No people No people
Green 37 08 Sep 2018 15:00 231 No people No people
Green 38 08 Sep 2018 21:00 231 410 thousand No people United States
Orange 39 09 Sep 2018 03:00 231 2.7 million 160 thousand United States
Orange 40 09 Sep 2018 09:00 222 4.3 million 340 thousand United States
Orange 41 09 Sep 2018 15:00 222 6.5 million 600 thousand United States
Orange 42 09 Sep 2018 21:00 222 5.9 million 990 thousand United States
Orange 43 10 Sep 2018 03:00 241 5.7 million 990 thousand United States
Orange 44 10 Sep 2018 09:00 231 7.4 million 1.3 million United States
Red 45 10 Sep 2018 15:00 231 8 million 2.1 million United States
Red 46 10 Sep 2018 21:00 222 6.5 million 2 million United States
Orange 47 11 Sep 2018 03:00 222 5.2 million 820 thousand United States
Orange 48 11 Sep 2018 09:00 231 5.7 million 880 thousand United States
Orange 49 11 Sep 2018 15:00 222 5.8 million 680 thousand United States
Orange 50 11 Sep 2018 21:00 222 12.4 million 1.1 million United States
Orange 51 12 Sep 2018 03:00 213 13.4 million 1.2 million United States
Orange 52 12 Sep 2018 09:00 222 10 million 1.1 million United States
Orange 53 12 Sep 2018 15:00 222 12.1 million 1.3 million United States
Orange 54 12 Sep 2018 21:00 204 14.6 million 2.5 million United States

Bulletin Timeline

Alert Date (UTC) Category Max winds
(km/h)
Population in
Tropical Storm
Population in
Cat.1 or higher
Location (lat, lon) Countries
GREEN
1 30 Aug 2018 15:00 Tropical depression 46 no people no people 12.9, -18.4
GREEN
2 30 Aug 2018 21:00 Tropical depression 46 no people no people 12.9, -19.4
GREEN
3 31 Aug 2018 03:00 Tropical depression 56 no people no people 13.2, -20.9
GREEN
4 31 Aug 2018 09:00 Tropical depression 56 no people no people 13.6, -21.4
GREEN
5 31 Aug 2018 15:00 Tropical depression 56 no people no people 13.7, -22.7
GREEN
6 31 Aug 2018 21:00 Tropical depression 56 no people no people 13.8, -24.7
GREEN
7 01 Sep 2018 03:00 Tropical depression 56 no people no people 14.2, -25.5
GREEN
8 01 Sep 2018 09:00 Tropical storm 65 no people no people 14.5, -26.7
GREEN
9 01 Sep 2018 15:00 Tropical storm 74 no people no people 14.8, -27.8
GREEN
10 01 Sep 2018 21:00 Tropical storm 74 no people no people 15.6, -29
GREEN
11 02 Sep 2018 03:00 Tropical storm 83 no people no people 16, -30.2
GREEN
12 02 Sep 2018 09:00 Tropical storm 93 no people no people 16.5, -31.4
GREEN
13 02 Sep 2018 15:00 Tropical storm 83 no people no people 17, -33.2
GREEN
14 02 Sep 2018 21:00 Tropical storm 83 no people no people 17.4, -34.6
GREEN
15 03 Sep 2018 03:00 Tropical storm 83 no people no people 17.9, -35.9
GREEN
16 03 Sep 2018 09:00 Tropical storm 93 no people no people 18, -37.5
GREEN
17 03 Sep 2018 15:00 Tropical storm 102 no people no people 18.3, -38.7
GREEN
18 03 Sep 2018 21:00 Tropical storm 111 no people no people 18.6, -39.8
GREEN
19 04 Sep 2018 03:00 Tropical storm 111 no people no people 18.9, -41
GREEN
20 04 Sep 2018 09:00 Tropical storm 111 no people no people 19.3, -42
GREEN
21 04 Sep 2018 15:00 Category 1 120 no people no people 19.7, -42.5
GREEN
22 04 Sep 2018 21:00 Category 1 139 no people no people 20.3, -43.2
GREEN
23 05 Sep 2018 03:00 Category 2 157 no people no people 20.7, -43.9
GREEN
24 05 Sep 2018 09:00 Category 2 167 no people no people 21.4, -44.8
GREEN
25 05 Sep 2018 15:00 Category 3 204 no people no people 22, -45.7
GREEN
26 05 Sep 2018 21:00 Category 4 213 no people no people 22.7, -46.6
GREEN
27 06 Sep 2018 03:00 Category 3 204 no people no people 23.4, -47.2
GREEN
28 06 Sep 2018 09:00 Category 3 185 no people no people 24.1, -47.9
GREEN
29 06 Sep 2018 15:00 Category 2 167 no people no people 24.6, -48.6
GREEN
30 06 Sep 2018 21:00 Category 1 130 no people no people 25, -49.6
GREEN
31 07 Sep 2018 03:00 Tropical storm 111 no people no people 25.1, -49.8
GREEN
32 07 Sep 2018 09:00 Tropical storm 102 no people no people 25.1, -50.7
GREEN
33 07 Sep 2018 15:00 Tropical storm 102 no people no people 25, -51.8
GREEN
34 07 Sep 2018 21:00 Tropical storm 102 no people no people 24.8, -52.5
GREEN
35 08 Sep 2018 03:00 Tropical storm 93 no people no people 24.8, -53.2
GREEN
36 08 Sep 2018 09:00 Tropical storm 102 no people no people 24.5, -54.2
GREEN
37 08 Sep 2018 15:00 Tropical storm 102 no people no people 24.5, -54.3
GREEN
38 08 Sep 2018 21:00 Tropical storm 111 no people no people 24.6, -54.7
GREEN
39 09 Sep 2018 03:00 Tropical storm 111 no people no people 24.6, -55.2
GREEN
40 09 Sep 2018 09:00 Tropical storm 111 no people no people 24.5, -55.8
GREEN
41 09 Sep 2018 15:00 Category 1 120 no people no people 24.4, -56.3
GREEN
42 09 Sep 2018 21:00 Category 1 139 no people no people 24.4, -57
GREEN
43 10 Sep 2018 03:00 Category 1 148 no people no people 24.6, -57.7
GREEN
44 10 Sep 2018 09:00 Category 2 167 no people no people 24.9, -58.9
GREEN
45 10 Sep 2018 15:00 Category 3 185 no people no people 25, -60
GREEN
46 10 Sep 2018 21:00 Category 4 222 no people no people 25.4, -61.1
GREEN
47 11 Sep 2018 03:00 Category 4 222 no people no people 25.9, -62.4
GREEN
48 11 Sep 2018 09:00 Category 4 222 no people no people 26.4, -64.1
GREEN
49 11 Sep 2018 15:00 Category 4 213 no people no people 26.7, -65.3
GREEN
50 11 Sep 2018 21:00 Category 4 222 no people no people 27.5, -67.1
GREEN
51 12 Sep 2018 03:00 Category 4 222 no people no people 28.4, -68.7
GREEN
52 12 Sep 2018 09:00 Category 4 213 no people no people 29, -70.1
GREEN
53 12 Sep 2018 15:00 Category 4 213 no people no people 29.8, -71.3
GREEN
54 12 Sep 2018 21:00 Category 3 194 no people no people 30.9, -72.5
GREEN
54 13 Sep 2018 06:00 Category 3 204 1.8 million people no people 32.1, -74.1 United States
ORANGE
54 13 Sep 2018 18:00 Category 3 204 6.3 million people 570000 people 33.4, -75.9 United States
ORANGE
54 14 Sep 2018 06:00 Category 3 194 10.3 million people 1 million people 33.9, -77.1 United States
ORANGE
54 14 Sep 2018 18:00 Category 3 185 13.7 million people 1.1 million people 34, -77.9 United States
GREEN
54 15 Sep 2018 18:00 Category 1 130 14.1 million people 1.7 million people 33.6, -79.2 United States
GREEN
54 16 Sep 2018 18:00 Tropical depression 56 no people no people 34, -81.7 United States
GREEN
54 17 Sep 2018 18:00 Tropical depression 37 no people no people 35.6, -83.4 United States
Actual track of the current bulletin
The alert for forecast greater than 3 days is limited to Orange level.
Download:



Exposed population - AoIs

Exposed population in the potential affected countries, provinces and populated places

Countries

Country
United States

Provinces

Region Province Country Population
North Carolina United States 6.8 million people
South Carolina United States 3.6 million people

Populated places

Name Region Province Country City class Population
Wilmington North Carolina United States City 75000 people
Florence South Carolina United States City 30000 people
Columbia South Carolina United States Major city 110000 people

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft)
Beaufort Morehead City 3 Civ. Paved Yes 4200
Morehead City State Port Terminal 2 0
Circle P Farm 9 0
Bogue Field Mcalf 7 Mil. Unpaved No 4000
Triple M 9 0
Dogwood Farm 8 0
Whitewood Forest 9 0
Pilots Ridge 11 0
Camp Davis Mcolf 18 0
Topsail Airpark 20 0
Brunswick Media Center 8 0
Brunswick County 7 Civ. Paved Yes 4000
Epley 12 0
New River Mcas 8 Mil. Paved Yes 5100
Deppe Landing Strip 14 0
Catino Ranch 15 0
New Hanover County ILM 10 Civ. Paved Yes 8000
Sky Manor 18 0
Winnabow 10 0
Brickhouse Fld 9 0
Stag Air Park 7 0
The Brunswick Hospital 8 0
Albert J Ellis OAJ 29 Civ. Paved Yes 7100
Sandy Run Acres 18 0
Ocean Isle 10 0
Pettigrew Moore Aerodrome 9 0
Bear Pen 19 0
Hell And Purgatory 24 0
Flying W 35 0
Henderson Field 12 Civ. Paved Yes 3900
Grand Strand CRE 10 Civ. Paved Yes 5900
Safe Field 15 0
Mitchell Field 7 0
Murphy Farms 24 0
Yonder 11 0
Myrtle Beach AFB MYR 8 Civ. Paved Yes 9500
Duplin General Hospital 38 0
Javika 8 0
Hardee 14 0
P B Raiford 41 Civ. Paved Yes 6000
Columbus County Municipal 27 Civ. Paved Yes 5500
Twin City 31 0
Loris Community Hospital 28 0
Georgetown County GGE 12 Civ. Paved Yes 5000
Garland 'brinks' 38 0
Elizabethtown 40 0
Conway Horry County 11 Civ. Paved Yes 4400
Laurel Hill Farms 4 0
Bladen County Hospital 37 0
Turbeville 32 0
Twin Oak 38 0
Green Sea 29 0
Bladenboro 35 0
Dublin Field 38 0
Andrews Municipal ADR 8 Civ. Paved No 3000
Jordan 11 0
Mynatt Field 27 0
Hemingway Stuckey 16 0
Mc Kee 34 0
Marion County 28 Civ. Paved Yes 4500
Cockfield Aerodrome 25 0
Berkeley County 23 0
Lake City Municipal Cj Evans Field 24 0
Williamsburg County 20 Civ. Paved Yes 5000
Florence Regional FLO 45 Civ. Paved Yes 6400
Crosswinds-Wilson (Private) 27 0
Pocotaligo 34 0
Byrd Field 34 0
Mc Kay 41 0
Huggins Memorial 44 0
Clarendon County 32 Civ. Paved Yes 3600
Clarendon Memorial Hospital 58 0
Holly Hill 29 0
Palmetto Air Plantation 32 0
Branhams 50 0
Lamar 53 0
Russell 34 0
Tallon Field 58 0
Avinger Field 42 0
Sumter Municipal SUM 56 Civ. Paved Yes 5500
Lee County 66 0
Creech Aviation Facility 54 0
Mc Neil 52 0
Shaw AFB SSC 74 Mil. Paved Yes 10000
El Porvenir Airpark 67 0
Orangeburg Municipal OGB 60 Civ. Paved Yes 5400
The Reg Medical Center of Orbg & Calhoun Co 91 0
Woodward Field CDN 94 Civ. Paved Yes 5000
McEntire ANG Base MMT 77 Mil. Paved Yes 9000
Alan's 112 0
North Af Aux 88 0
Fort Jackson Helipad 122 0
South Carolina Pipeline 107 0
Columbia Owens Downtown CUB 65 Civ. Paved Yes 5000
Lexington County 140 0
Richland Memorial Hospital 79 0
Columbia Metropolitan CAE 72 Civ. Paved Yes 8600
Lexington Medical Center 104 0
Darden 137 0
Sled 84 0

Ports

Name LOCODE Country
Cape Lookout Wake Island
Morehead City USMRH Wake Island
Swansboro Wake Island
Cape Fear USCFN Wake Island
Southport Wake Island
Wrightsville USXOG Wake Island
Wilmington (n.cal) USILM Wake Island
Georgetown USGGE Wake Island

Dams

Reservoir Dam Name River Year
Pinopolis West Dam Cooper River 1942
North Santee Dam Santee River 1942
Lake Murray Saluda Saluda 1930
Parr Parr Shoals Dam Broad River 1914
Buzzards Roost Embankment Saluda River 1940

Rainfall

Rainfall accumulation of the past 24h, as detected by the Global Precipitation Measurement mission of NASA. For more information, see https://www.nasa.gov/mission_pages/GPM/main/index.html.

...

StormSurge

2.2 m

The maximum Storm surge height is  2.0m in Stacy, United States. This height is estimated for 14 Sep 2018 06:00 UTC .

The JRC has developed an experimental global storm surge model. The calculations are published about 20 minutes after a new advisory is detected by GDACS. The calculations identify the populated places affected by storm surge up to three days in advance, using the forecasted track. When forecasts change, the associated storm surge changes too and alert levels may go up or down. All links, data, statistics and maps refer to the latest available calculation. If the calculation for the last advisory is not completed, the latest available calculation is shown.

Locations affected by Storm surge (557 locations). Calculation based on advisory number 59 of 14 Sep 2018 03:00:00 UTC. (Simulation using 0.5 minute resolution)

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