Overall Green Tropical Cyclone for BANG-LANG-26 in United States Minor Outlying Islands from 26 Aug 2026 06:00 UTC to 30 Aug 2026 12:00 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve awareness, information exchange and coordination in the first phase after major sudden-onset disasters.

Overall Green Tropical Cyclone for BANG-LANG-26

in United States Minor Outlying Islands

30 Aug 2026 12 UTC

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Meteorological source:

GDACS JTWC

Impact Single TC

Impact based on all weather systems in the area

Impact

Tropical Cyclone BANG-LANG-26 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source	GDACS
Exposed countries	United States Minor Outlying Islands
Exposed population	No people in Category 1 or higher
Maximum wind speed	139 km/h
Maximum storm surge
Vulnerability	Low ()

GDACS Score

GDACS score for Tropical Cyclones is 0.5 (GREEN Level), 1.5 (ORANGE Level), 2.5 (RED Level)
For more info on GDACS core click here.

	Wind	Storm surge	Rainfall	GDACS score
Current	65 km/h	0.0 m	n.a.	0.5
Overall	139 km/h	0.0 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

65 km/h Current Max.

Up to no 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	26 Aug 2026 06:00	120	No people	No people
2	26 Aug 2026 12:00	111	No people	No people
3	26 Aug 2026 18:00	111	No people	No people
4	27 Aug 2026 00:00	83	No people	No people
5	27 Aug 2026 06:00	111	No people	No people	United States Minor Outlying Islands
6	27 Aug 2026 12:00	157	No people	No people	United States Minor Outlying Islands
7	27 Aug 2026 18:00	157	No people	No people	United States Minor Outlying Islands
8	28 Aug 2026 00:00	157	No people	No people	United States Minor Outlying Islands
9	28 Aug 2026 06:00	157	No people	No people	United States Minor Outlying Islands
10	28 Aug 2026 12:00	157	No people	No people	United States Minor Outlying Islands
11	28 Aug 2026 18:00	157	No people	No people	United States Minor Outlying Islands
12	29 Aug 2026 00:00	139	No people	No people	United States Minor Outlying Islands
13	29 Aug 2026 06:00	139	No people	No people	United States Minor Outlying Islands
14	29 Aug 2026 12:00	139	No people	No people	United States Minor Outlying Islands
15	29 Aug 2026 18:00	120	No people	No people	United States Minor Outlying Islands
16	30 Aug 2026 00:00	111	No people	No people	United States Minor Outlying Islands
17	30 Aug 2026 06:00	83	No people	No people	United States Minor Outlying Islands
18	30 Aug 2026 12:00	65	No people	No people	United States Minor Outlying Islands

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	26 Aug 2026 06:00	Tropical depression	46	no people	no people	17.2, 161.3
2	26 Aug 2026 12:00	Tropical depression	56	no people	no people	17.2, 161
3	26 Aug 2026 18:00	Tropical depression	56	no people	no people	17.2, 161
4	27 Aug 2026 00:00	Tropical depression	56	no people	no people	16.7, 161.4
5	27 Aug 2026 06:00	Tropical storm	65	no people	no people	16.7, 162.3
6	27 Aug 2026 12:00	Tropical storm	83	no people	no people	17.1, 163.3
7	27 Aug 2026 18:00	Tropical storm	102	no people	no people	17.5, 164.1
8	28 Aug 2026 00:00	Tropical storm	111	no people	no people	18.2, 164.9
9	28 Aug 2026 06:00	Tropical storm	111	no people	no people	18.8, 165.3
10	28 Aug 2026 12:00	Category 1	120	no people	no people	19.5, 166.5
11	28 Aug 2026 18:00	Category 1	120	no people	no people	20.5, 167
12	29 Aug 2026 00:00	Category 1	120	no people	no people	22.2, 167.8
13	29 Aug 2026 06:00	Category 1	139	no people	no people	23.9, 168.2
14	29 Aug 2026 12:00	Category 1	139	no people	no people	25.3, 168.6
15	29 Aug 2026 18:00	Category 1	120	no people	no people	27.7, 169.2
16	30 Aug 2026 00:00	Tropical storm	111	no people	no people	31.3, 167.9
17	30 Aug 2026 06:00	Tropical storm	83	no people	no people	33.3, 167.3
18	30 Aug 2026 12:00	Tropical storm	65	no people	no people	34.1, 165.9
18	31 Aug 2026 00:00	Tropical storm	65	no people	no people	36.2, 165.3
18	31 Aug 2026 12:00	Tropical depression	56	no people	no people	39.4, 166.3

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	Population in Tropical Storm or higher strength

Provinces

Region Province	Country	Population in Tropical Storm or higher strength

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)
Wake Island Airfield	AWK	4				0

Ports

Name	LOCODE	Country
Wake Island		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 m

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 (0 locations). Calculation based on advisory number 18 of 30 Aug 2026 12:00:00 UTC. (Simulation using 6 minute resolution)

Level

Date (UTC)

Name

Country

Storm surge height (m)

Disclaimer - Copyright
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.
The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.