Overall Red alert Tropical Cyclone for MOCHA-23
in Myanmar

Event summary

Tropical Cyclone MOCHA-23 can have a high humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1000970
Name MOCHA-23
Glide number: TC-2023-000071-BGD
From - To 11 May - 14 May
Exposed countries Myanmar
Exposed population 3 million in Category 1 or higher
Maximum wind speed 259 km/h Category 5
Maximum storm surge 2.2 m (14 May 10:00 UTC)
Vulnerability High (Myanmar)

GDACS Score

For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS JTWC 194 km/h 2.2 m n.a. 2.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 259 km/h 2 m 815 mm 2.5
GFS 241 km/h 2.2 m 521 mm 2.5
ECMWF 101 km/h 1.2 m 708 mm 0.5
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Myanmar - Tropical cyclone MOCHA (ECHO 11 May 2023)Thu, 11 May 2023 10:26

  • A new tropical cyclone named MOCHA formed over the southern Bay of Bengal on 11 May and started moving north-east toward western Myanmar. On 11 May at 0.00 UTC its centre was located over the sea approximately 460 km west of the Andaman and Nicobar Islands (India), with maximum sustained winds of 65 km/h (tropical storm).
  • MOCHA is forecast to continue northeastward over the Bay of Bengal on 12-13 May, strenghtening. After that, it is expected to make landfall over the area of Sittwe City (the capital Rakhine State, western Myanmar, near south-eastern Bangladesh) with maximum sustained winds up to 165 km/h (tropical cyclone).
  • Over 12-14 May, heavy rainfall, strong winds and storm surge are forecast for western and south-western Myanmar.
Myanmar, Bangladesh - Tropical cyclone MOCHA, update (ECHO 12 May 2023)Fri, 12 May 2023 11:18

  • Tropical cyclone MOCHA is moving towards western Myanmar and south-eastern Bangladesh. On 12 May at 0.00 UTC, its centre was located over the sea approximately 520 km west of Diglipur Town (North Andaman Island, eastern India), with maximum sustained winds of 120 km/h. MOCHA is expected to strengthen and continue northwest over the next three days, possibly making landfall between Cox’s Bazar (Bangladesh) and Kyaukphyu, Rakhine State (Myanmar) on 14-15 May.
  • The exposed of population of Myanmar is approximately 3 million people, with Rakhine State anticipated to be the most affected (200,000 people). The exposed of population of Bangladesh is 784,540 people. Myanmar’s Rakhine State is host to large numbers of Internally Displaced People (IDPs), while Cox’s Bazar in Bangladesh is home to 1 million Rohingya refugees.  
  • In Myanmar, the national Disaster Management Centre has been activated and people living in low lying areas in Rakhine State have been advised to evacuate, though only limited evacuations are reported from IDP camps. In Bangladesh, the government-led Disaster Management Committee has been activated and preparations in refugee camps ongoing with local authorities and the Bangladesh Army, including pre-positioning of resources and evacuation plans.  On the island of Bhasan Char, over Rohingya 28,000 refugees are being prepared to evacuate to 53 cyclone shelters.
MOCHA-23 - EC/ECHO daily mapFri, 12 May 2023 18:24

A new EC/ECHO daily map is now available
MOCHA-23 - UNITAR-UNOSAT ActivationSat, 13 May 2023 14:45

UNITAR-UNOSAT Potentially Damaged Buildings has been activated
Myanmar, Bangladesh, India - Tropical cyclone MOCHA, update (ECHO 15 May 2023)Mon, 15 May 2023 09:58

  • Tropical Cyclone MOCHA made landfall in Myanmar close to Sittwe City (Rakhine State, bordering with south-eastern Bangladesh) on 14 May in the morning (UTC) with maximum sustained winds up to 250 km/h. On 15 May at 0.00 UTC its centre was located over southern Sagaing State (northern Myanmar) with maximum sustained winds of 120 km/h before moving over northern Myanmar and dissipating.
  • Very heavy rainfall and strong winds have affected Rakhine, Chin, Magway and Mandalay (Myanmar), the Cox's Bazar area (Bangladesh) and Mizoram, Tripura and Manipur (India) since 13 May. Storm surge affected also coastal areas. Heavy rainfall is forecast over the next 24 hours.
  • In Myanmar, five fatalities, over 700 injured people, over 100 000 evacuated people, severe damage to Rohingya Internally Displaced Persons (IDPs) camps and houses were reported across Sittwe area and western Rakhine. Rapid needs assessments from humanitarian actors are ongoing. 
  • In Bangladesh, according to National Disaster Response Coordination Centre, a total of 414,170 people and 23,027 livestock were evacuated in 7,040 shelters in 14 coastal districts. Significant damage to thousands of refugee shelters and key facilities in camps and host communities in Cox’s Bazar district are reported but no loss of lives. Needs assessments are ongoing.
  • In India, the authorities report 595 evacuated people and 2 995 affected people across Mizoram.
  • Copernicus Emergency Mapping () was activated for both Myanmar and Bangladesh on 11 May.
MOCHA-23 - UNITAR-UNOSAT ActivationMon, 15 May 2023 15:05

UNITAR-UNOSAT Potentially Damaged Buildings has been activated
MOCHA-23 - EC/ECHO daily mapMon, 15 May 2023 18:33

A new EC/ECHO daily map is now available
Myanmar, Bangladesh - Tropical cyclone MOCHA, update (ECHO 16 May 2023)Tue, 16 May 2023 10:43

  • After the landfall of cyclone Mocha close to Sittwe City (Rakhine State, western Myanmar, bordering Bangladesh) on 14 May with maximum sustained winds of up to 250 km/h, on 14-15 May the cyclone passed over Chin, Magway, Sagaing and Kachin states (northern Myanmar), where it is now weakening and dissipating.
  • Very heavy rainfall, strong winds and storm surges (for coastal areas) affected these states, the Cox's Bazar area (Bangladesh) and Mizoram, Tripura and Manipur States (India).
  • In Myanmar, media report 41 fatalities, over 700 injured and approximately 100,000 evacuated. A total of 2.2 million people are estimated to be affected by the cyclone. The worst affected area is Sittwe and western Rakhine, including several Rohingya Internally Displaced Persons (IDPs) camps. There are unconfirmed reports of missing and injured people across a number of IDPs camps in the area. In Sittwe, most houses have been damaged.
  • In Bangladesh, UN OCHA reports that as of 15 May, there are around 750,000 evacuated people and 2.3 million affected people.
  • The Copernicus EMS was activated in rapid mapping mode () on 12 May for Myanmar. So far, four satellite maps were produced.
  • Over the next 24 hours, more heavy rainfall is forecast over south and eastern Bangladesh and over western and northern Myanmar, posing the threat of floods and landslides. 
MOCHA-23 - UNITAR-UNOSAT ActivationTue, 16 May 2023 10:48

UNITAR-UNOSAT Potentially Damaged Buildings has been activated
Myanmar, Bangladesh - Tropical cyclone MOCHA, update (ECHO 17 May 2023)Wed, 17 May 2023 10:10

  • The passage of the tropical cyclone MOCHA on 14-15 May over western and northern Myanmar (Rakhine, Chin, Magway, Sagaing and Kachin states) and south-eastern Bangladesh (Chattogram Division) has caused widespread damage, with the number of casualties being larger than initial estimations.
  • In Myanmar, across all the aforementioned affected states, DG ECHO and UN OCHA reported 41 fatalities, around 700 injured people, approximately 100,000 evacuated and 5.4 million affected. The worst affected is western Rakhine, which includes several Rohingya Internally Displaced Persons (IDPs) camps, which have been significantly damaged. In Chin, over 1,200 houses were partially or fully destroyed. Approximately 50 destroyed houses were reported across Sagaing. Severe flooding has affected more than 100,000 people in villages in Magway and Sagaing.
  • In Bangladesh, UN reports, as of 15 May, nearly 430,000 affected people, over 2,000 destroyed houses and more than 10,600 damaged houses across the Chattogram Division. Rohingya refugees camps in the Cox's Bazar area were severely affected.
  • The Copernicus EMS was activated in rapid mapping mode () on 12 May for Myanmar and four satellite maps were produced so far.
  • Over the next 24 hours, more heavy rainfall is forecast over both countries.
MOCHA-23 - UNITAR-UNOSAT ActivationWed, 17 May 2023 12:57

UNITAR-UNOSAT Potentially Damaged Buildings has been activated
Myanmar - Tropical cyclone MOCHA, update (ECHO 23 May 2023)Tue, 23 May 2023 10:05

  • The passage of the tropical cyclone MOCHA on 14-15 May over western and northern Myanmar (Rakhine, Chin, Magway and Sagaing states) caused a  larger number of casualties than first reported, as well as widespread damage, especially in internally displaced person (IDP) camps.
  • As of 22 May, the AHA Centre reports 145 confirmed fatalities, 131 injured, 912,277 evacuated people (of which around 233,000 in 454 evacuation centres) and 248,296 damaged buildings (of which over 2,000 schools and more than 320 health centres) across all the aforementioned affected states. The worst affected is western Rakhine (in particular the Sittwe City area), where initial reports indicate that some 90% of buildings were damaged.
  • Military authorities are restricting access to the affected areas, but some humanitarian organisations are managing to conduct needs assessments.
  • According to UN OCHA, 5.4 million people in Myanmar were in the path of the cyclone, with 3.2 million estimated as requiring humanitarian assistance. 
MOCHA-23 - JRC emergency reportFri, 19 May 2023 01:10

A new JRC Emergency report is now available
MOCHA-23 - JRC emergency reportWed, 17 May 2023 20:00

A new JRC Emergency report is now available
MOCHA-23 - JRC emergency reportTue, 16 May 2023 20:00

A new JRC Emergency report is now available
MOCHA-23 - JRC emergency reportMon, 15 May 2023 08:45

A new JRC Emergency report is now available
Detailed event map. European Union, 2024. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

Emergenza bambini: dal Myanmar al Bangladesh, dalla Turchia alla Siria 5/18/2023 11:25:00 AM.

Passata l’emergenza e l’emozione mondiale, la distruzione del ciclone Mocha in Bangladesh e Birmania e il terremoto in Turchia e in Siria finiscono in trafiletti o nel dimenticatoio. Non è una novità per le organizzazioni umanitarie che res
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Storm hits displaced persons: Desperation after Cyclone »Mocha« in Mya.. 5/18/2023 9:49:00 AM.

2023-05-18T07:49:05.557Z. Highlights: Hurricane Mocha made landfall on Sunday with wind speeds of more than 250 kilometers per hour. It was the most violent cyclone in the region in more than a decade. Members of the Rohingya Muslim minorit
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Myanmar : plus de 80 morts après le cyclone Mocha 5/18/2023 3:37:00 AM.

Avec des vents soufflant jusqu'à 195 km/h, Mocha s'est abattu dimanche 14 mai entre Sittwe, capitale de l'État Rakhine en Myanmar, et Cox's Bazar au Bangladesh voisin. Au moins 46 villageois sont morts à Khaung Doke Kar et à Bu Ma, près de
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In Burma, Rakhine State devastated by Cyclone Mocha: "Everything is de.. 5/17/2023 11:31:00 PM.

2023-05-17T21:28:15.775Z. Highlights: Mocha, the strongest storm in the region in more than a decade, has ravaged entire villages and IDP camps in Rakhine State. Interview with Brights Islam, a member of the oppressed Rohingya Muslim commun
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Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (40), (2), WMO (1), INFORM (2),