Overall Green Tropical Cyclone alert for THREE-21 in Philippines from 12 May 2021 18:00 UTC to 14 May 2021 12:00 UTC

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

Overall Green alert Tropical Cyclone for THREE-21

in Philippines

14 May 2021 00 UTC

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to select bulletin time

Meteorological source:

GDACS JTWC

Impact Single TC

GFS
HWRF
ECMWF

Impact based on all weather systems in the area

Impact

Tropical Cyclone THREE-21 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source	HWRF
Exposed countries
Exposed population	No people in Category 1 or higher
Maximum wind speed	43 km/h
Maximum storm surge	0.6 m (14 May 01:00 UTC)
Vulnerability	Medium (Philippines)

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
HWRF Current	43 km/h	0.6 m	115 mm	0.5
HWRF Overall	40 km/h	0.6 m	102 mm	0.5
Maximum winds, storm surge, rainfall (Current: over the next 72 h, Overall: entire TC track)

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Wind

40 km/h

No people by wind speeds of Tropical Storm strength or above

Wind exposed population - AoIs

No exposed population (in Tropical Storm or higher) based on the bulletin of 14 May 2021 00:00 UTC

See TC classification SSHS

Wind Impact Timeline

people affected <=10000

10000< people affected <=100000

people affected >100000

N°	Date (UTC)	Max Winds (km/h)	Pop in Cat. 1 or higher	TS	Cat. 1	Cat. 2	Cat. 3	Cat. 4	Cat. 5
1	12 May 2021 18:00	65	-	-	-	-	-	-	-
2	13 May 2021 00:00	65	-	-	-	-	-	-	-
3	13 May 2021 06:00	65	-	-	-	-	-	-	-
4	13 May 2021 12:00	68	-	-	-	-	-	-	-
5	13 May 2021 18:00	54	-	-	-	-	-	-	-
6	14 May 2021 00:00	54	-	-	-	-	-	-	-

Download:

Impact estimation for the next 72h

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Rainfall

Rain exposed population - AoIs

Estimations based on the bulletin of 14 May 2021 00:00 UTC

Level	Country	Population
250-500 mm	Philippines	51,903
100-250 mm	Philippines, Malaysia	550,663	+
	Philippines	550,572
	Malaysia	90
50-100 mm	Philippines, Malaysia	2,066,210	+
	Philippines	2,049,772
	Malaysia	16,437

Rain Impact Timeline

people affected <=10000

10000< people affected <=100000

people affected >100000

N°	Date (UTC)	Max Rainfall (mm)	Pop >100mm or higher	50-100	100-250	250-500	500-750	750-1000	>1000	Countries
1	12 May 2021 18:00	276	-	-	-	-	-	-	-
2	13 May 2021 00:00	163	-		-	-	-	-	-	Philippines
3	13 May 2021 06:00	0	-	-	-	-	-	-	-
4	13 May 2021 12:00	169	10 thousand			-	-	-	-	Philippines
5	13 May 2021 18:00	113	2 thousand			-	-	-	-	Philippines
6	14 May 2021 00:00	342	600 thousand				-	-	-	Philippines, Malaysia

Impact estimation for the next 72h

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StormSurge

0.6 m

The maximum Storm surge height is 0.6m in Pag-aguasan, Philippines. This height is estimated for 14 May 2021 01:00 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.

Storm Surge Exposed population - AoIs

Storm Surge Exposed locations

Calculation based on the bulletin of 14 May 2021 00:00 UTC

Alert	Date (UTC)	Name	Country	Storm surge height (m)
	14 May 2021 01:00	Pag-aguasan	Philippines	0.6
	14 May 2021 01:00	Concepcion	Philippines	0.6
	14 May 2021 01:00	Alabat	Philippines	0.6
	14 May 2021 01:00	Mascarina	Philippines	0.6
	14 May 2021 01:00	Apad	Philippines	0.6
	14 May 2021 01:00	Gumaca	Philippines	0.6
	14 May 2021 01:00	Argosino	Philippines	0.6
	14 May 2021 01:00	Lopez	Philippines	0.6
	14 May 2021 01:00	Talingting	Philippines	0.6
	14 May 2021 01:00	Calauag	Philippines	0.6
	14 May 2021 01:00	Atimonan	Philippines	0.5
	14 May 2021 01:00	Calaguikhik	Philippines	0.5
	14 May 2021 01:00	Perez	Philippines	0.5
	14 May 2021 01:00	Cavilla	Philippines	0.5
	14 May 2021 01:00	San Jose	Philippines	0.4
	14 May 2021 01:00	Calamias	Philippines	0.4
	14 May 2021 01:00	Mauban	Philippines	0.3
	14 May 2021 01:00	Caluekan	Philippines	0.2
	14 May 2021 04:30	Sipitang	Malaysia	0.2
	14 May 2021 04:30	Kampong Suasa	Malaysia	0.2
	14 May 2021 04:30	Mesapol	Malaysia	0.2
	14 May 2021 04:30	Weston	Malaysia	0.2
	14 May 2021 04:30	Victoria	Malaysia	0.1
	14 May 2021 04:30	Kpg Menumbok	Malaysia	0.1
	14 May 2021 04:30	Kampong Lambidan	Malaysia	0.1
	14 May 2021 04:30	Kpg Manggis	Malaysia	0.1
	14 May 2021 04:30	Kpg Ganggarak	Malaysia	0.1
	14 May 2021 04:15	Kpg Mansud	Malaysia	0.1
	14 May 2021 02:45	Bonongan	Philippines	0.1
	14 May 2021 02:45	Carigmalan	Philippines	0.1
	14 May 2021 02:45	Molpok	Philippines	0.1
	14 May 2021 02:45	Bataguanan	Philippines	0.1
	14 May 2021 02:45	Bulalacao	Philippines	0.1
	14 May 2021 00:00	Kumbatang	Malaysia	0.1
	14 May 2021 00:00	Langkon	Malaysia	0.1
	14 May 2021 00:00	Kampong Radus	Malaysia	0.1
	14 May 2021 00:00	Tandek	Malaysia	0.1
	14 May 2021 00:00	Taritapan	Malaysia	0.1
	14 May 2021 00:00	Kpg Mempakad	Malaysia	0.1
	14 May 2021 04:00	Pekan Muara	Brunei Darussalam	0.1
	14 May 2021 06:00	Pangas	Philippines	0.1
	14 May 2021 06:00	Binauangan	Philippines	0.1
	14 May 2021 06:00	Mactang	Philippines	0.1
	14 May 2021 06:00	Capalonga	Philippines	0.1
	14 May 2021 00:00	Kudat	Malaysia	0.1
	14 May 2021 05:30	Bebeladan	Philippines	0.1
	14 May 2021 05:30	El Nido	Philippines	0.1
	14 May 2021 05:30	Camago	Philippines	0.1
	14 May 2021 05:30	Manlalec	Philippines	0.1
	14 May 2021 05:30	Barotuan	Philippines	0.1
	14 May 2021 05:30	Oton	Philippines	0.1
	14 May 2021 05:30	Palalong	Philippines	0.1
	14 May 2021 05:30	Sibaltan	Philippines	0.1
	14 May 2021 05:30	Maytiguid	Philippines	0.1
	14 May 2021 05:30	Batas	Philippines	0.1
	14 May 2021 05:30	Pinamalayan	Philippines	0.1

Disclaimer
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.