Overall Green Tropical Cyclone alert for DOUGLAS-20 in United States, from 20 Jul 2020 15:00 UTC to 24 Jul 2020 09:00 UTC

24 Jul 2020 09 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	0.3 m (27 Jul 03:00 UTC)
Vulnerability	Low (United States)
Landfall	between 26 Jul 2020 18:00 - 27 Jul 2020 06:00 in 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	213 km/h	0.3 m	n.a.	0.5
Overall	213 km/h	0.3 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

213 km/h Current Max.

Up to 160000 people in Category 1 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

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)	Countries
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
16	24 Jul 2020 18:00	Category 3	194	no people	no people	16.7, -142.6
16	25 Jul 2020 06:00	Category 2	176	no people	no people	17.9, -145.7
16	25 Jul 2020 18:00	Category 2	157	no people	no people	19, -148.7
16	26 Jul 2020 06:00	Category 1	139	no people	130000 people	19.9, -151.7
16	26 Jul 2020 18:00	Category 1	120	160000 people	1.4 million people	20.5, -154.5
16	27 Jul 2020 06:00	Tropical storm	111	no people	1.2 million people	21, -157.1	United States
16	28 Jul 2020 06:00	Tropical storm	93	no people	no people	22, -163.2
16	29 Jul 2020 06:00	Tropical storm	83	no people	no people	22.4, -170

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
Puunene	Hawaii	United States	City	-
Kahului	Hawaii	United States	City	20000 people
Wailuku	Hawaii	United States	City	12000 people
Lahaina	Hawaii	United States	City	9100 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)
Hana	HNM	23	Civ.	Paved	No	3600
Kahului	OGG	16	Civ.	Paved	Yes	7000
Kapalua West Maui	JHM	78				0
Lanai	LNY	399	Civ.	Paved	Yes	5000
Kalaupapa	LUP	7				0
Molokai	MKK	138	Civ.	Paved	Yes	4400
Panda		76				0

Ports

Name	LOCODE	Country
Hana		Wake Island
Kahului		Wake Island
Lahaina		Wake Island
Pukoo		Wake Island
Kamalo		Wake Island
Kaumalapau Harbor		Wake Island
Kaunakakai		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

0.3 m

The maximum Storm surge height is 0.3m in Waihee, United States. This height is estimated for 27 Jul 2020 03:00 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 (113 locations). Calculation based on advisory number 16 of 24 Jul 2020 09:00:00 UTC. (Simulation using 0.5 minute resolution)

Alert	Date (UTC)	Name	Country	Storm surge height (m)
	27 Jul 2020 03:00	Waihee	United States	0.3
	27 Jul 2020 03:00	Wailuku	United States	0.3
	27 Jul 2020 03:00	Kahului	United States	0.3
	27 Jul 2020 04:00	Lahaina	United States	0.3
	27 Jul 2020 04:00	Crater Village	United States	0.3
	27 Jul 2020 04:00	Olowalu	United States	0.3
	27 Jul 2020 03:00	Puunene	United States	0.3
	27 Jul 2020 03:00	Hawaiian Village	United States	0.3
	27 Jul 2020 04:00	Kaanapali	United States	0.3
	27 Jul 2020 03:00	Kihei	United States	0.3
	27 Jul 2020 05:00	Kamalo	United States	0.3
	27 Jul 2020 04:00	Puukolii	United States	0.2
	27 Jul 2020 04:00	Mahinahina Camp	United States	0.2
	27 Jul 2020 03:00	Keawakapu	United States	0.2
	27 Jul 2020 05:00	Ualapue	United States	0.2
	27 Jul 2020 03:00	Paia	United States	0.2
	27 Jul 2020 03:00	Maalaea	United States	0.2
	27 Jul 2020 04:00	Kapalua	United States	0.2
	27 Jul 2020 05:00	Keomuku	United States	0.2
	27 Jul 2020 04:00	Honokahua	United States	0.2
	27 Jul 2020 09:00	Maunawili	United States	0.2
	27 Jul 2020 09:00	Pearl City	United States	0.2
	27 Jul 2020 09:00	Halawa	United States	0.2
	27 Jul 2020 09:00	Halawa Heights	United States	0.2
	27 Jul 2020 01:00	Hana	United States	0.2
	27 Jul 2020 06:00	Kaunakakai	United States	0.2
	27 Jul 2020 10:00	Village Park	United States	0.2
	27 Jul 2020 10:00	Waipahu	United States	0.2
	27 Jul 2020 11:00	Waipio	United States	0.2
	27 Jul 2020 07:00	Halena	United States	0.2
	27 Jul 2020 07:00	Mauna Loa	United States	0.2
	27 Jul 2020 10:00	Barbers Point Housing	United States	0.2
	27 Jul 2020 08:00	Kaneohe Station	United States	0.2
	27 Jul 2020 08:00	Kailua	United States	0.2
	27 Jul 2020 03:00	Haiku	United States	0.2
	27 Jul 2020 03:00	Kahakuloa	United States	0.2
	27 Jul 2020 05:00	Village Eight	United States	0.2
	27 Jul 2020 05:00	Kaluaaha	United States	0.2
	27 Jul 2020 06:00	Umipaa	United States	0.2
	27 Jul 2020 06:00	Moku	United States	0.2
	27 Jul 2020 01:00	Wailua	United States	0.2
	27 Jul 2020 03:00	Pauwela	United States	0.2
	27 Jul 2020 02:00	Ulumalu	United States	0.2
	27 Jul 2020 02:00	Kailua	United States	0.2
	27 Jul 2020 04:00	Hyashi Village	United States	0.2
	27 Jul 2020 03:00	Makena	United States	0.2
	27 Jul 2020 05:00	Waialua	United States	0.2
	27 Jul 2020 09:00	Aina Haina	United States	0.2
	27 Jul 2020 10:00	Waimalu	United States	0.2
	27 Jul 2020 10:00	Kahaluu	United States	0.2
	27 Jul 2020 10:00	Ahuimanu	United States	0.2
	27 Jul 2020 10:00	Heeia	United States	0.2
	27 Jul 2020 10:00	Kaneohe	United States	0.2
	27 Jul 2020 01:00	Puuiki	United States	0.2
	27 Jul 2020 05:00	Pukoo	United States	0.2
	27 Jul 2020 01:00	Muolea	United States	0.2
	27 Jul 2020 03:00	Keoneoio	United States	0.2
	27 Jul 2020 09:00	Honolulu	United States	0.2
	27 Jul 2020 07:00	Lanikai	United States	0.2
	27 Jul 2020 10:00	Ewa	United States	0.2
	27 Jul 2020 19:00	Nonopapa	United States	0.2
	27 Jul 2020 19:00	Kiekie	United States	0.2
	27 Jul 2020 06:00	Kaumalapau	United States	0.2
	27 Jul 2020 09:00	Maunalua	United States	0.2
	27 Jul 2020 10:00	Iroquois Point	United States	0.2
	27 Jul 2020 10:00	Hickam Housing	United States	0.2
	27 Jul 2020 10:00	Aiea	United States	0.2
	27 Jul 2020 11:00	Mokuleia	United States	0.2
	27 Jul 2020 11:00	Dillingham Ranch	United States	0.2
	27 Jul 2020 11:00	Waialua	United States	0.2
	27 Jul 2020 11:00	Haleiwa	United States	0.2
	27 Jul 2020 11:00	Kamooloa	United States	0.2
	27 Jul 2020 01:00	Kipahulu	United States	0.1
	27 Jul 2020 01:00	Kaeleku	United States	0.1
	27 Jul 2020 10:00	Fort Shafter	United States	0.1
	27 Jul 2020 10:00	Honouliuli	United States	0.1
	27 Jul 2020 10:00	Ewa Gentry	United States	0.1
	27 Jul 2020 10:00	Ewa Beach	United States	0.1
	27 Jul 2020 10:00	Aliamanu	United States	0.1
	27 Jul 2020 03:00	Ulupalakua	United States	0.1
	27 Jul 2020 05:00	Halawa	United States	0.1
	27 Jul 2020 07:00	Wahilauhue	United States	0.1
	27 Jul 2020 08:00	Waimanalo	United States	0.1
	27 Jul 2020 10:00	Kahana	United States	0.1
	27 Jul 2020 01:00	Nahiku	United States	0.1
	27 Jul 2020 01:00	Kaupo	United States	0.1
	27 Jul 2020 06:00	Hoolehua	United States	0.1
	27 Jul 2020 06:00	Kualapuu	United States	0.1
	27 Jul 2020 06:00	Kalaupapa	United States	0.1
	27 Jul 2020 07:00	Kepuhi	United States	0.1
	27 Jul 2020 06:00	Moomomi	United States	0.1
	27 Jul 2020 20:00	Puuwai	United States	0.1
	26 Jul 2020 23:00	Halaula	United States	0.1
	26 Jul 2020 23:00	Makapala	United States	0.1
	26 Jul 2020 23:00	Niulii	United States	0.1
	27 Jul 2020 01:00	Haou	United States	0.1
	27 Jul 2020 11:00	Makaha	United States	0.1
	27 Jul 2020 11:00	Makaha Valley	United States	0.1
	27 Jul 2020 16:00	Poipu	United States	0.1
	27 Jul 2020 19:00	Kahaino	United States	0.1
	27 Jul 2020 10:00	Kaaawa	United States	0.1
	26 Jul 2020 23:00	Hawi	United States	0.1
	26 Jul 2020 23:00	Kapaau	United States	0.1
	27 Jul 2020 11:00	Waianae	United States	0.1
	27 Jul 2020 11:00	Maili	United States	0.1
	27 Jul 2020 11:00	Nanakuli	United States	0.1
	27 Jul 2020 11:00	Kawailoa Camp	United States	0.1
	27 Jul 2020 11:00	Kawailoa Beach	United States	0.1
	27 Jul 2020 11:00	Waimea	United States	0.1
	27 Jul 2020 11:00	Sunset Beach	United States	0.1
	27 Jul 2020 11:00	Pupukea	United States	0.1
	27 Jul 2020 11:00	Waialee	United States	0.1
	27 Jul 2020 18:00	Kekaha	United States	0.1