Overall Green alert Tropical Cyclone for DOUGLAS-20
in United States,

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 (NOAA)
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)

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 213 km/h 0.3 m n.a. 0.5
GDACS 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)

Wind

213 km/h Current

Up to 160000 people in Category 1 strength or higher (see SSHS)

Impact Timeline

Alert Date (UTC) Max Winds (km/h) Population in
Tropical Storm
Population in
Cat. 1 or higher
Countries
Green 1 20 Jul 2020 15:00 130 No people No people
Green 2 20 Jul 2020 21:00 139 No people No people
Green 3 21 Jul 2020 03:00 139 No people No people
Green 4 21 Jul 2020 09:00 148 No people No people
Green 5 21 Jul 2020 15:00 167 No people No people
Green 6 21 Jul 2020 21:00 167 No people No people
Green 7 22 Jul 2020 03:00 167 No people No people
Green 8 22 Jul 2020 09:00 167 190 thousand No people United States
Green 9 22 Jul 2020 15:00 176 210 thousand No people United States
Green 10 22 Jul 2020 21:00 185 1.4 million 6 thousand United States
Green 11 23 Jul 2020 03:00 204 1.3 million 3 thousand United States
Green 12 23 Jul 2020 09:00 204 1.3 million 20 thousand United States
Green 13 23 Jul 2020 15:00 204 1.4 million 30 thousand United States
Green 14 23 Jul 2020 21:00 204 1.4 million 20 thousand United States
Green 15 24 Jul 2020 03:00 213 1.4 million 3 thousand United States
Green 16 24 Jul 2020 09:00 213 1.4 million 160 thousand 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 20 Jul 2020 15:00 Tropical depression 56 no people no people 13.7, -119.8
GREEN
2 20 Jul 2020 21:00 Tropical depression 56 no people no people 13.5, -120.4
GREEN
3 21 Jul 2020 03:00 Tropical storm 65 no people no people 13.1, -121.6
GREEN
4 21 Jul 2020 09:00 Tropical storm 93 no people no people 13, -122.8
GREEN
5 21 Jul 2020 15:00 Tropical storm 102 no people no people 12.4, -124.2
GREEN
6 21 Jul 2020 21:00 Tropical storm 102 no people no people 12.1, -125.4
GREEN
7 22 Jul 2020 03:00 Tropical storm 102 no people no people 12.1, -126.7
GREEN
8 22 Jul 2020 09:00 Tropical storm 102 no people no people 11.9, -128
GREEN
9 22 Jul 2020 15:00 Category 1 120 no people no people 11.8, -129.5
GREEN
10 22 Jul 2020 21:00 Category 1 130 no people no people 12.1, -130.9
GREEN
11 23 Jul 2020 03:00 Category 2 157 no people no people 12.5, -132.6
GREEN
12 23 Jul 2020 09:00 Category 3 194 no people no people 13.1, -134
GREEN
13 23 Jul 2020 15:00 Category 3 194 no people no people 13.6, -135.9
GREEN
14 23 Jul 2020 21:00 Category 3 204 no people no people 14.1, -137.3
GREEN
15 24 Jul 2020 03:00 Category 4 213 no people no people 14.9, -138.8
GREEN
16 24 Jul 2020 09:00 Category 4 213 no people no people 15.7, -140.3
GREEN
16 24 Jul 2020 18:00 Category 3 194 no people no people 16.7, -142.6
GREEN
16 25 Jul 2020 06:00 Category 2 176 no people no people 17.9, -145.7
GREEN
16 25 Jul 2020 18:00 Category 2 157 no people no people 19, -148.7
GREEN
16 26 Jul 2020 06:00 Category 1 139 120000 people no people 19.9, -151.7 United States
GREEN
16 26 Jul 2020 18:00 Category 1 120 1.3 million people 160000 people 20.5, -154.5 United States
GREEN
16 27 Jul 2020 06:00 Tropical storm 111 1.2 million people no people 21, -157.1 United States
GREEN
16 28 Jul 2020 06:00 Tropical storm 93 no people no people 22, -163.2
GREEN
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.



Exposed population

Countries

Country
United States

Provinces

Region Province Country Population
Hawaii United States 1.1 million people

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

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

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, which is run after each advisory issued by the regional tropical cyclone centres. 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