Overall Orange alert Tropical Cyclone for GATI-20
in Somalia

Impact

Tropical Cyclone GATI-20 can have a medium humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source HWRF
Exposed countries Somalia
Exposed population No people in Category 1 or higher
Maximum wind speed 72 km/h
Maximum storm surge 0.4 m (23 Nov 08:45 UTC)
Vulnerability High (Somalia)

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 72 km/h 0.4 m 244 mm 0.5
HWRF Overall 180 km/h 0.9 m 557 mm 0.5

Maximum winds, storm surge, rainfall (Current: over the next 72 h, Overall: entire TC track)

Wind

180 km/h

Up to 9 thousand can be affected by wind speeds of Tropical Storm strength or above



Wind exposed population - AoIs

Estimations based on the bulletin of 23 Nov 2020 00:00 UTC
CategoryCountryPopulation 
Tropical StormSomalia9,065 

See TC classification SSHS


Wind Impact Timeline

people affected <=10000
10000< people affected <=100000
people affected >100000


Alert Date (UTC) Max Winds (km/h) Pop in Cat. 1 or higher TS Cat. 1 Cat. 2 Cat. 3 Cat. 4 Cat. 5 Countries
GREEN 1 21 Nov 2020 18:00 58 - - - - - - -
GREEN 2 22 Nov 2020 00:00 65 - - - - - - -
GREEN 3 22 Nov 2020 06:00 180 -
- - - - - Somalia
GREEN 4 22 Nov 2020 12:00 144 3 thousand
- - - - Somalia
GREEN 5 22 Nov 2020 18:00 112 -
- - - - - Somalia
GREEN 6 23 Nov 2020 00:00 72 -
- - - - - Somalia
Download:





Impact estimation for the next 72h




Rain exposed population - AoIs

Estimations based on the bulletin of 23 Nov 2020 00:00 UTC
LevelCountryPopulation 
250-500 mmSomalia767 
100-250 mmSomalia158,854 
50-100 mmSomalia182,073 

Rain Impact Timeline

people affected <=10000
10000< people affected <=100000
people affected >100000


Alert Date (UTC) Max Rainfall (mm) Pop >100mm or higher 50-100 100-250 250-500 500-750 750-1000 >1000 Countries
Blue 1 21 Nov 2020 18:00 52 -
- - - - - Yemen
Blue 2 22 Nov 2020 00:00 82 -
- - - - - Somalia
Blue 3 22 Nov 2020 06:00 275 -
- - - - - Somalia
Blue 4 22 Nov 2020 12:00 137 4 thousand
- - - - Somalia
Blue 5 22 Nov 2020 18:00 203 10 thousand
- - - - Somalia
Blue 6 23 Nov 2020 00:00 352 160 thousand
- - - Somalia




Impact estimation for the next 72h

StormSurge

0.4 m

The maximum Storm surge height is  0.4m in Deh-Cabo, Somalia. This height is estimated for 23 Nov 2020 08:45 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 23 Nov 2020 00:00 UTC
    
Alert Date (UTC) Name Country Storm surge height (m)
23 Nov 2020 08:45 Deh-Cabo Somalia  0.4
23 Nov 2020 08:30 Hurdiyo Somalia  0.3
23 Nov 2020 08:30 Xaafuun Somalia  0.3
23 Nov 2020 01:45 Cadayo Somalia  0.3
23 Nov 2020 02:30 Sala Gon Somalia  0.3
23 Nov 2020 12:30 Bargaal Somalia  0.2
23 Nov 2020 03:15 Ascira Somalia  0.2
23 Nov 2020 19:00 Darimoh Somalia  0.2
23 Nov 2020 04:30 Hen Daier Somalia  0.2
23 Nov 2020 02:45 Baarbacadle Somalia  0.2
23 Nov 2020 02:45 Eyl Somalia  0.2
23 Nov 2020 02:45 Daga Laha Uein Somalia  0.2
23 Nov 2020 08:30 Aiesloho Somalia  0.2
23 Nov 2020 08:30 Mach Somalia  0.2
24 Nov 2020 10:00 'Ag Somalia  0.2
23 Nov 2020 08:00 Bandarbeyla Somalia  0.2
23 Nov 2020 12:15 Culli Somalia  0.2
23 Nov 2020 00:00 Beylu Eritrea  0.2
23 Nov 2020 03:45 Tooxin Somalia  0.2
23 Nov 2020 12:00 Bola Cohuan Somalia  0.2
24 Nov 2020 15:45 Diwalu Eritrea  0.2
24 Nov 2020 15:45 Mora Eritrea  0.2
24 Nov 2020 15:45 Horena Eritrea  0.2
24 Nov 2020 15:45 Miida Eritrea  0.2
24 Nov 2020 15:45 Sahli Eritrea  0.2
23 Nov 2020 00:00 Lakba Oman  0.2
23 Nov 2020 00:00 Sawqirah Oman  0.2
23 Nov 2020 00:00 Lakabi Oman  0.2
23 Nov 2020 00:00 Qaysad Oman  0.2
24 Nov 2020 03:45 Harag Jid Somalia  0.2
23 Nov 2020 00:15 Bereeda Somalia  0.2
23 Nov 2020 13:00 Boho Somalia  0.2
23 Nov 2020 13:00 Wareegsimo Somalia  0.2
23 Nov 2020 12:30 Hobyo Somalia  0.2
23 Nov 2020 12:30 Garahadde Somalia  0.2
23 Nov 2020 02:15 Gaalacoodday Somalia  0.2
24 Nov 2020 21:30 Rasa Eritrea  0.2
24 Nov 2020 21:30 Badeda Eritrea  0.2
25 Nov 2020 01:00 Midi Yemen  0.2
25 Nov 2020 01:00 Al Kharamilah Yemen  0.2
24 Nov 2020 09:45 Ceelaayo Somalia  0.2
24 Nov 2020 09:45 Bender Siyaada Somalia  0.2
25 Nov 2020 01:00 Al Madasikah Yemen  0.2
23 Nov 2020 06:15 Marero Somalia  0.2
23 Nov 2020 06:15 Bacaad Somalia  0.2
23 Nov 2020 06:15 Aantaara Somalia  0.2
23 Nov 2020 13:30 Dauli Somalia  0.2
25 Nov 2020 02:30 Qawz al Ja'afirah Saudi Arabia  0.2
25 Nov 2020 02:30 Mansiyah Saudi Arabia  0.2
25 Nov 2020 02:30 Jizan Saudi Arabia  0.2
25 Nov 2020 02:30 Al Karbus Saudi Arabia  0.2
23 Nov 2020 19:15 Loyado Djibouti  0.2
23 Nov 2020 19:15 Takhushih Somalia  0.2
23 Nov 2020 19:15 Saylac Somalia  0.2
23 Nov 2020 08:00 Boosaaso Somalia  0.2
23 Nov 2020 03:00 Ceelbacduur Somalia  0.2
23 Nov 2020 03:00 Ceel Dhahanaan Somalia  0.2
23 Nov 2020 03:45 Eddi Gellei Somalia  0.2
25 Nov 2020 02:30 Al Madaya Saudi Arabia  0.2
24 Nov 2020 20:15 Tio Eritrea  0.1
23 Nov 2020 01:00 Tabut Yemen  0.1
23 Nov 2020 01:00 Hayrut Yemen  0.1
23 Nov 2020 01:00 Nishtun Yemen  0.1
23 Nov 2020 00:15 Al Khawkhah Yemen  0.1
23 Nov 2020 00:15 Maushij Yemen  0.1
23 Nov 2020 00:15 Jirdan Yemen  0.1
24 Nov 2020 20:00 Babaiu Eritrea  0.1
25 Nov 2020 02:15 Farasan Saudi Arabia  0.1
25 Nov 2020 02:15 Humr Saudi Arabia  0.1
25 Nov 2020 02:00 Fugwa Saudi Arabia  0.1
25 Nov 2020 02:00 Bu Tawq Saudi Arabia  0.1
25 Nov 2020 02:00 Sajid Saudi Arabia  0.1
23 Nov 2020 22:45 Cal Marthal Somalia  0.1
25 Nov 2020 02:15 Khatib Saudi Arabia  0.1
25 Nov 2020 02:15 Haima Saudi Arabia  0.1
24 Nov 2020 16:45 'Arid Saudi Arabia  0.1
23 Nov 2020 13:45 Denouda Digdiglei Somalia  0.1
24 Nov 2020 16:45 Hajambar Saudi Arabia  0.1
24 Nov 2020 21:30 Al Fazah Yemen  0.1
24 Nov 2020 21:30 Al Butays Yemen  0.1
23 Nov 2020 17:15 Caluula Somalia  0.1
23 Nov 2020 00:15 Yakhtul Yemen  0.1
23 Nov 2020 04:15 Qandala Somalia  0.1
23 Nov 2020 04:15 Botiala Somalia  0.1
23 Nov 2020 00:30 Alela Eritrea  0.1
23 Nov 2020 00:30 Aseb Eritrea  0.1
25 Nov 2020 00:45 Al Luyhayyah Yemen  0.1
23 Nov 2020 00:00 Rehayto Eritrea  0.1
24 Nov 2020 23:00 Al Hudaydah Yemen  0.1
24 Nov 2020 23:00 Jabanah Yemen  0.1
24 Nov 2020 21:45 Buyut al Muhamirah Yemen  0.1
24 Nov 2020 19:45 Hawra Eritrea  0.1
24 Nov 2020 21:45 Sayfaf Yemen  0.1
24 Nov 2020 21:45 Al Jazirah Yemen  0.1
24 Nov 2020 21:45 Qurayyah Yemen  0.1
24 Nov 2020 21:45 Ibn Abbas Yemen  0.1
25 Nov 2020 01:00 Sair Saudi Arabia  0.1
24 Nov 2020 16:45 Musaykah Saudi Arabia  0.1
24 Nov 2020 11:45 Aylu Eritrea  0.1
23 Nov 2020 01:45 Gishub Yemen  0.1
23 Nov 2020 06:45 Buro Somalia  0.1
24 Nov 2020 21:45 Al Ghulayfiqah Yemen  0.1
24 Nov 2020 16:45 Al Qahmah Saudi Arabia  0.1
23 Nov 2020 00:30 Steroh Yemen  0.1
23 Nov 2020 00:00 Al Mukha Yemen  0.1
24 Nov 2020 21:15 Kamaran Yemen  0.1
24 Nov 2020 19:45 Debba Eritrea  0.1
25 Nov 2020 01:15 Al Birk Saudi Arabia  0.1
24 Nov 2020 22:15 Al 'Urj Yemen  0.1
24 Nov 2020 18:45 Abacheri Eritrea  0.1
24 Nov 2020 18:45 Karmu Eritrea  0.1
24 Nov 2020 18:45 Idi Eritrea  0.1
24 Nov 2020 20:30 Al Khawbah Yemen  0.1
23 Nov 2020 01:15 Araft Oman  0.1
23 Nov 2020 01:15 Salalah Oman  0.1
23 Nov 2020 01:15 Al Kathir Oman  0.1
23 Nov 2020 01:15 Sudh Oman  0.1
24 Nov 2020 23:30 Markaz ash Shurtah Saudi Arabia  0.1
25 Nov 2020 01:30 Nahud Saudi Arabia  0.1
23 Nov 2020 17:00 Al Haibala Yemen  0.1
23 Nov 2020 17:00 'Ain Ba Ma'bad Yemen  0.1
23 Nov 2020 17:00 'Ain al-Juwairi Yemen  0.1
24 Nov 2020 23:15 Hubaris Saudi Arabia  0.1
24 Nov 2020 19:00 Halaba Eritrea  0.1
24 Nov 2020 19:30 Sheburur Eritrea  0.1
23 Nov 2020 16:15 Qishn Yemen  0.1
24 Nov 2020 21:15 Behld Eritrea  0.1
24 Nov 2020 03:00 Tadjoura Djibouti  0.1
24 Nov 2020 21:30 Beraisole Eritrea  0.1
23 Nov 2020 00:45 Saqr Yemen  0.1
23 Nov 2020 18:45 Muhammad 'Ali Bin Fatha Sumana Yemen  0.1
23 Nov 2020 18:45 Al Hajaf Yemen  0.1
23 Nov 2020 18:45 Al Bahiyah Yemen  0.1
23 Nov 2020 18:00 'Imran Yemen  0.1
23 Nov 2020 18:00 Ghadir Yemen  0.1
23 Nov 2020 18:00 Maallah Yemen  0.1
23 Nov 2020 01:15 Djibouti Djibouti  0.1
23 Nov 2020 09:15 Laasqoray Somalia  0.1
24 Nov 2020 04:15 Hundegal Somalia  0.1
23 Nov 2020 01:15 Qadub Yemen  0.1
23 Nov 2020 01:15 Hadiboh Yemen  0.1
23 Nov 2020 03:30 Dhurbo Somalia  0.1
23 Nov 2020 03:30 Bandar Murcaayo Somalia  0.1
23 Nov 2020 03:30 Geesaley Somalia  0.1
23 Nov 2020 03:30 Abo Somalia  0.1
25 Nov 2020 16:30 Murad Yemen  0.1
23 Nov 2020 15:45 Qa'wa Yemen  0.1
23 Nov 2020 15:45 Madinat ash Shab Yemen  0.1
24 Nov 2020 02:45 Ankhor Somalia  0.1
24 Nov 2020 02:45 Dagah Gudud Somalia  0.1
24 Nov 2020 19:45 Quddam Yemen  0.1
24 Nov 2020 19:45 Dhubab Yemen  0.1