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 0.2 m (26 Jul 21:00 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 185 km/h 0.2 m n.a. 0.5
GDACS 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)

Wind

185 km/h Current

Up to 5800 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

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
10 23 Jul 2020 06:00 Category 2 157 no people no people 12.7, -132.9
GREEN
10 23 Jul 2020 18:00 Category 3 185 no people no people 13.8, -135.8
GREEN
10 24 Jul 2020 06:00 Category 3 185 no people no people 15.1, -138.9
GREEN
10 24 Jul 2020 18:00 Category 2 167 no people no people 16.4, -141.9
GREEN
10 25 Jul 2020 06:00 Category 1 148 no people no people 17.6, -145
GREEN
10 25 Jul 2020 18:00 Category 1 139 89000 people no people 18.7, -148 United States
GREEN
10 26 Jul 2020 18:00 Category 1 120 1.3 million people 5800 people 20, -154 United States
GREEN
10 27 Jul 2020 18:00 Tropical storm 102 no people no people 21, -160 United States
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

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)
Upper Paauilo Airstrip 463 0
Honokaa Airstrip 439 0
Upolu UPP 29 Civ. Paved No 3800

Ports

Name LOCODE Country
Honokaa Wake Island
Mahukona 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

0.2 m

The maximum Storm surge height is  0.2m in Hilo, United States. This height is estimated for 26 Jul 2020 21:00 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 (16 locations). Calculation based on advisory number 10 of 22 Jul 2020 21:00:00 UTC. (Simulation using 0.5 minute resolution)

Alert Date (UTC) Name Country Storm surge height (m)
26 Jul 2020 21:00 Hilo United States  0.2
26 Jul 2020 21:00 Ookala United States  0.1
26 Jul 2020 21:00 Koae United States  0.1
26 Jul 2020 21:00 Ninole United States  0.1
26 Jul 2020 21:00 Hakalau United States  0.1
26 Jul 2020 21:00 Honomu United States  0.1
26 Jul 2020 21:00 Pepeekeo United States  0.1
26 Jul 2020 21:00 Paukaa United States  0.1
26 Jul 2020 21:00 Hawaiian Paradise Park United States  0.1
26 Jul 2020 21:00 Makuu United States  0.1
26 Jul 2020 21:00 Hawaiian Beaches United States  0.1
26 Jul 2020 21:00 Paauilo United States  0.1
26 Jul 2020 21:00 Kukaiau United States  0.1
26 Jul 2020 21:00 Laupahoehoe United States  0.1
26 Jul 2020 21:00 Papaaloa United States  0.1
26 Jul 2020 21:00 Weloka United States  0.1