Overall Green Tropical Cyclone alert for DOUGLAS-20 in United States, from 20 Jul 2020 15:00 UTC to 29 Jul 2020 15:00 UTC

29 Jul 2020 15 UTC

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Meteorological source:

GDACS NOAA

Impact Single TC

Impact based on all weather systems in the area

Impact

Tropical Cyclone DOUGLAS-20 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	No people in Category 1 or higher
Maximum wind speed	213 km/h
Maximum storm surge	0.2 m (27 Jul 11:00 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
Current	56 km/h	0.2 m	n.a.	0.5
Overall	213 km/h	0.2 m	n.a.	0.5
Maximum winds, storm surge, rainfall (Current: over the next 72 h, Overall: entire TC track) based on GDACS impact

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Wind

56 km/h Current Max.

Up to 1.4 million people in Tropical Storm strength or higher (see SSHS)

Impact Timeline

N°	Date (UTC)	Max Winds (km/h)	Population in Tropical Storm or higher	Population in Cat 1. or higher	Countries
1	20 Jul 2020 15:00	130	No people	No people
2	20 Jul 2020 21:00	139	No people	No people
3	21 Jul 2020 03:00	139	No people	No people
4	21 Jul 2020 09:00	148	No people	No people
5	21 Jul 2020 15:00	167	No people	No people
6	21 Jul 2020 21:00	167	No people	No people
7	22 Jul 2020 03:00	167	No people	No people
8	22 Jul 2020 09:00	167	190 thousand	No people	United States
9	22 Jul 2020 15:00	176	210 thousand	No people	United States
10	22 Jul 2020 21:00	185	1.4 million	6 thousand	United States
11	23 Jul 2020 03:00	204	1.3 million	3 thousand	United States
12	23 Jul 2020 09:00	204	1.3 million	20 thousand	United States
13	23 Jul 2020 15:00	204	1.4 million	30 thousand	United States
14	23 Jul 2020 21:00	204	1.4 million	20 thousand	United States
15	24 Jul 2020 03:00	213	1.4 million	3 thousand	United States
16	24 Jul 2020 09:00	213	1.4 million	160 thousand	United States
17	24 Jul 2020 15:00	194	1.4 million	270 thousand	United States
18	24 Jul 2020 21:00	185	1.4 million	8 thousand	United States
19	25 Jul 2020 03:00	185	1.4 million	70 thousand	United States
20	25 Jul 2020 09:00	176	1.3 million	70 thousand	United States
21	25 Jul 2020 15:00	167	1.3 million	60 thousand	United States
22	25 Jul 2020 21:00	148	1.3 million	20 thousand	United States
23	26 Jul 2020 03:00	148	1.4 million	No people	United States
24	26 Jul 2020 09:00	148	1.4 million	30 thousand	United States
25	26 Jul 2020 15:00	148	1.4 million	30 thousand	United States
26	26 Jul 2020 21:00	139	1.4 million	190 thousand	United States
27	27 Jul 2020 03:00	139	1.4 million	40 thousand	United States
28	27 Jul 2020 09:00	148	1.4 million	5 thousand	United States
29	27 Jul 2020 15:00	148	1.4 million	5 thousand	United States
30	27 Jul 2020 21:00	130	1.4 million	5 thousand	United States
31	28 Jul 2020 03:00	111	1.4 million	5 thousand	United States
32	28 Jul 2020 09:00	93	1.4 million	5 thousand	United States
33	28 Jul 2020 15:00	83	1.4 million	5 thousand	United States
34	28 Jul 2020 21:00	74	No people	No people
35	29 Jul 2020 03:00	74	1.4 million	5 thousand	United States
36	29 Jul 2020 09:00	65	1.4 million	5 thousand	United States
37	29 Jul 2020 15:00	56	1.4 million	No people	United States

Bulletin Timeline

N°	Date (UTC)	Category (SSHS)	Max winds (km/h)	Population in Cat.1 or higher	Population in Tropical Storm or higher	Location (lat, lon)
1	20 Jul 2020 15:00	Tropical depression	56	no people	no people	13.7, -119.8
2	20 Jul 2020 21:00	Tropical depression	56	no people	no people	13.5, -120.4
3	21 Jul 2020 03:00	Tropical storm	65	no people	no people	13.1, -121.6
4	21 Jul 2020 09:00	Tropical storm	93	no people	no people	13, -122.8
5	21 Jul 2020 15:00	Tropical storm	102	no people	no people	12.4, -124.2
6	21 Jul 2020 21:00	Tropical storm	102	no people	no people	12.1, -125.4
7	22 Jul 2020 03:00	Tropical storm	102	no people	no people	12.1, -126.7
8	22 Jul 2020 09:00	Tropical storm	102	no people	no people	11.9, -128
9	22 Jul 2020 15:00	Category 1	120	no people	no people	11.8, -129.5
10	22 Jul 2020 21:00	Category 1	130	no people	no people	12.1, -130.9
11	23 Jul 2020 03:00	Category 2	157	no people	no people	12.5, -132.6
12	23 Jul 2020 09:00	Category 3	194	no people	no people	13.1, -134
13	23 Jul 2020 15:00	Category 3	194	no people	no people	13.6, -135.9
14	23 Jul 2020 21:00	Category 3	204	no people	no people	14.1, -137.3
15	24 Jul 2020 03:00	Category 4	213	no people	no people	14.9, -138.8
16	24 Jul 2020 09:00	Category 4	213	no people	no people	15.7, -140.3
17	24 Jul 2020 15:00	Category 3	194	no people	no people	16.4, -141.9
18	24 Jul 2020 21:00	Category 3	185	no people	no people	17, -143.5
19	25 Jul 2020 03:00	Category 3	185	no people	no people	17.9, -145.1
20	25 Jul 2020 09:00	Category 2	176	no people	no people	18.5, -146.7
21	25 Jul 2020 15:00	Category 2	167	no people	no people	19.1, -148.4
22	25 Jul 2020 21:00	Category 1	148	no people	no people	19.5, -150.1
23	26 Jul 2020 03:00	Category 1	148	no people	no people	19.9, -151.4
24	26 Jul 2020 09:00	Category 1	148	no people	110000 people	20.4, -152.8
25	26 Jul 2020 15:00	Category 1	148	<1000 people	340000 people	20.7, -154.3
26	26 Jul 2020 21:00	Category 1	139	2100 people	1.3 million people	21.2, -155.7
27	27 Jul 2020 03:00	Category 1	139	3100 people	1.2 million people	22, -157.3
28	27 Jul 2020 09:00	Category 1	148	no people	1.1 million people	22.5, -158.8
29	27 Jul 2020 15:00	Category 1	148	no people	70000 people	22.9, -160.4
30	27 Jul 2020 21:00	Category 1	130	no people	no people	23, -162.2
31	28 Jul 2020 03:00	Tropical storm	111	no people	no people	22.9, -163.3
32	28 Jul 2020 09:00	Tropical storm	93	no people	no people	23.4, -164.7
33	28 Jul 2020 15:00	Tropical storm	83	no people	no people	24.1, -166.6
34	28 Jul 2020 21:00	Tropical storm	74	no people	no people	24.5, -168.6
35	29 Jul 2020 03:00	Tropical storm	74	no people	no people	24.6, -170.9
36	29 Jul 2020 09:00	Tropical storm	65	no people	no people	24.6, -173.2
37	29 Jul 2020 15:00	Tropical depression	56	no people	no people	24.7, -175.4
37	30 Jul 2020 00:00	Tropical depression	56	no people	no people	25, -178.6
37	30 Jul 2020 12:00	Tropical depression	46	no people	no people	25.9, 177.2

Actual track of the current bulletin

The alert for forecast greater than 3 days is limited to Orange level.

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Exposed population - AoIs

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

Countries

Country
United States

Provinces

Region Province	Country
Hawaii	United States

Populated places

Name	Region Province	Country	City class	Population
Kapaa	Hawaii	United States	City	9500 people
Nanakuli	Hawaii	United States	City	11000 people
Wahiawa	Hawaii	United States	City	16000 people
Ewa	Hawaii	United States	City	-
Waipahu	Hawaii	United States	City	33000 people
Pearl City	Hawaii	United States	City	31000 people
Aiea	Hawaii	United States	City	9000 people
Honolulu	Hawaii	United States	Major city	370000 people
Kaneohe	Hawaii	United States	City	35000 people
Lahaina	Hawaii	United States	City	9100 people
Wailuku	Hawaii	United States	City	12000 people
Kahului	Hawaii	United States	City	20000 people
Puunene	Hawaii	United States	City	-
Hilo	Hawaii	United States	City	41000 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)
French Frigate Shoals		2	Civ.	Unpaved	No	3000
Barking Sands Pmrf	BKH	5	Mil.	Paved	No	6000
Kalalau Beach		3				0
Port Allen	PAK	7				0
Princeville	HPV	109				0
Haiku Airstrip		117				0
Hanamaulu Airstrip		123				0
Lihue	LIH	45	Civ.	Paved	Yes	6500
Dillingham	HDH	5	Mil.	Paved	No	9000
Turtle Bay Hilton		4				0
Wheeler AFB	HHI	255	Mil.	Paved	Yes	5600
Kalaeloa (John Rodgers Field)	JRF	10	Civ.	Paved	Yes	8400
Kahuku Hospital		12				0
Ford Island Alf		5				0
Honolulu International	HNL	4	Civ.	Paved	Yes	12300
Moanalua Medical Center		5				0
Kualoa Ranch		38				0
The Queen's Medical Center		31				0
Kaneohe Bay Mcas		5	Mil.	Paved	Yes	7700
Waimanalo Bellows	BLW	unknown				0
Panda		76				0
Molokai	MKK	138	Civ.	Paved	Yes	4400
Kalaupapa	LUP	7				0
Lanai	LNY	399	Civ.	Paved	Yes	5000
Kapalua West Maui	JHM	78				0
Kahului	OGG	16	Civ.	Paved	Yes	7000
Hana	HNM	23	Civ.	Paved	No	3600
Keahole	KOA	13	Civ.	Paved	Yes	11000
Upolu	UPP	29	Civ.	Paved	No	3800
Kaupulehu		13				0
Waikoloa		33				0
Puu Waa Waa Ranch		686				0
Kamuela	MUE	814	Civ.	Paved	No	5100
Lucy Henriques Medical Center		853				0
Honokaa Airstrip		439				0
Bradshaw AAF	BSF	1886	Civ.	Paved	No	3600
Upper Paauilo Airstrip		463				0
Peleau		332				0
Pepeekeo Airstrip		206				0
Rainshed		1219				0
Mauna Kea-Honolii		427				0
Hilo Hospital		148				0
Mountain View Airstrip		457				0
Hilo International	ITO	12	Civ.	Paved	Yes	9800

Ports

Name	LOCODE	Country
Tern Island		Wake Island
Nonopapa		Wake Island
Port Allen		Wake Island
Nawiliwili	USNWL	Wake Island
Ahukini Landing		Wake Island
Honolulu	USHNL	Wake Island
Kaunakakai		Wake Island
Kaumalapau Harbor		Wake Island
Kamalo		Wake Island
Pukoo		Wake Island
Lahaina		Wake Island
Kahului		Wake Island
Hana		Wake Island
Mahukona		Wake Island
Kiholo		Wake Island
Kailua		Wake Island
Kawaihae	USKWH	Wake Island
Honokaa		Wake Island
Hilo	USITO	Wake Island

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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.

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StormSurge

0.2 m

The maximum Storm surge height is 0.2m in Princeville, United States. This height is estimated for 27 Jul 2020 11:00 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 (57 locations). Calculation based on advisory number 36 of 29 Jul 2020 09:00:00 UTC. (Simulation using 0.5 minute resolution)

Alert	Date (UTC)	Name	Country	Storm surge height (m)
	27 Jul 2020 11:00	Princeville	United States	0.2
	27 Jul 2020 02:00	Kaneohe Station	United States	0.2
	27 Jul 2020 02:00	Lanikai	United States	0.2
	26 Jul 2020 22:00	Ulumalu	United States	0.2
	27 Jul 2020 05:00	Marconi	United States	0.2
	27 Jul 2020 11:00	Haena	United States	0.2
	27 Jul 2020 11:00	Wainiha	United States	0.2
	27 Jul 2020 11:00	Hanalei	United States	0.2
	26 Jul 2020 22:00	Nahiku	United States	0.1
	26 Jul 2020 21:00	Hana	United States	0.1
	26 Jul 2020 22:00	Wailua	United States	0.1
	27 Jul 2020 00:00	Waialua	United States	0.1
	27 Jul 2020 00:00	Halawa	United States	0.1
	27 Jul 2020 05:00	Kawela Bay	United States	0.1
	27 Jul 2020 11:00	Kealia	United States	0.1
	27 Jul 2020 11:00	Moloaa	United States	0.1
	27 Jul 2020 11:00	Anahola	United States	0.1
	27 Jul 2020 11:00	Kumukumu	United States	0.1
	26 Jul 2020 22:00	Haiku	United States	0.1
	26 Jul 2020 23:00	Kihei	United States	0.1
	26 Jul 2020 22:00	Kaeleku	United States	0.1
	26 Jul 2020 22:00	Puuiki	United States	0.1
	26 Jul 2020 21:00	Hawaiian Village	United States	0.1
	26 Jul 2020 21:00	Paia	United States	0.1
	26 Jul 2020 22:00	Kailua	United States	0.1
	27 Jul 2020 00:00	Honokahua	United States	0.1
	27 Jul 2020 05:00	Kahuku	United States	0.1
	27 Jul 2020 05:00	Laie	United States	0.1
	27 Jul 2020 05:00	Hauula	United States	0.1
	27 Jul 2020 05:00	Waimea	United States	0.1
	27 Jul 2020 05:00	Sunset Beach	United States	0.1
	27 Jul 2020 05:00	Pupukea	United States	0.1
	27 Jul 2020 05:00	Waialee	United States	0.1
	27 Jul 2020 00:00	Maalaea	United States	0.1
	26 Jul 2020 23:00	Keawakapu	United States	0.1
	26 Jul 2020 22:00	Pauwela	United States	0.1
	27 Jul 2020 00:00	Kamalo	United States	0.1
	27 Jul 2020 00:00	Kaluaaha	United States	0.1
	27 Jul 2020 00:00	Ualapue	United States	0.1
	27 Jul 2020 00:00	Pukoo	United States	0.1
	27 Jul 2020 01:00	Moomomi	United States	0.1
	27 Jul 2020 01:00	Hoolehua	United States	0.1
	27 Jul 2020 01:00	Umipaa	United States	0.1
	27 Jul 2020 01:00	Kualapuu	United States	0.1
	27 Jul 2020 01:00	Kalaupapa	United States	0.1
	27 Jul 2020 05:00	Kawailoa Camp	United States	0.1
	27 Jul 2020 05:00	Kawailoa Beach	United States	0.1
	27 Jul 2020 11:00	Kilauea	United States	0.1
	27 Jul 2020 11:00	Wailua Homesteads	United States	0.1
	27 Jul 2020 11:00	Wailua	United States	0.1
	27 Jul 2020 11:00	Kapaa	United States	0.1
	27 Jul 2020 12:00	Kalalau	United States	0.1
	26 Jul 2020 21:00	Kahului	United States	0.1
	26 Jul 2020 21:00	Puunene	United States	0.1
	27 Jul 2020 05:00	Waialua	United States	0.1
	27 Jul 2020 05:00	Haleiwa	United States	0.1
	27 Jul 2020 05:00	Kamooloa	United States	0.1