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Tropical Storm Dumako

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Moderate Tropical Storm Dumako
Dumako shortly before landfall in Madagascar after peak intensity on 15 February
Meteorological history
Formed10 February 2022
Dissipated18 February 2022
Moderate tropical storm
10-minute sustained (MFR)
Highest winds85 km/h (50 mph)
Lowest pressure993 hPa (mbar); 29.32 inHg
Tropical storm
1-minute sustained (SSHWS/JTWC)
Highest winds95 km/h (60 mph)
Lowest pressure995 hPa (mbar); 29.38 inHg
Overall effects
Fatalities14
Damage>$1 million (2022 USD)
Areas affectedMadagascar, Mozambique
Part of the 2021–22 South-West Indian Ocean cyclone season

Moderate Tropical Storm Dumako was a weak tropical cyclone that caused moderate damage in Madagascar. The fourth disturbance and fourth named storm of the 2021–22 South-West Indian Ocean cyclone season, it was the third storm to make landfall on Madagascar in 2022 after Ana and Batsirai.

Meteorological history

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Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
Map key
Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

On 10 February, a zone of disturbed weather formed over the central South Indian Ocean. One day later, the JTWC recognized it as Invest 94S.[1][2] On the same day at 18:00 UTC, MFR designated the system as a tropical disturbance. A day later, the MFR upgraded the disturbance to a tropical depression. The JTWC issued a Tropical Cyclone Formation Alert for this system. On 13 February, the JTWC recognized the system as Tropical Cyclone 12S at 06:00 UTC. At 18:00 UTC, the MFR upgraded the system to a moderate tropical storm and designated it as Dumako.[3] The storm continued intensifying, and at 06:00 UTC on February 14, Dumako reached its peak intensity as a moderate tropical storm, with maximum 10-minute sustained winds of 85 km/h (55 mph), maximum 1-minute sustained winds of 95 km/h (60 mph), and a minimum central pressure of 993 hPa.[4][5] Around 12:00 UTC, Dumako made landfall as a moderate tropical storm near Sainte-Marie Island, Madagascar with winds of 65 km/h (40 mph). Afterward, due to land interaction, the storm began to weaken. After a few hours, it weakened into a tropical depression. It entered the Mozambique Channel before dissipating on 18 February.[citation needed]

Impact

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Madagascar

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At least 113 houses were damaged, more than 5000 people were affected.[6] Flooding killed at least 14 people in Madagascar and 4,323 people were displaced.[7]

Mozambique and Malawi

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Heavy rain was recorded in South Malawi and caused flooding in some areas.[8] The city of Quelimane experienced flooding, with power lines experiencing damage. 160 families were displaced and 30 hectares (74 acres) of crops were destroyed in Malema District.[9] No deaths were reported in Mozambique and Malawi.

See also

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References

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  1. ^ "Significant Tropical Weather Advisory for the Indian Ocean Reissued 110330Z-111800Z February 2022". Joint Typhoon Warning Center. 11 February 2022. Archived from the original on 11 February 2022. Retrieved 21 February 2022.
  2. ^ "Dumako : 10/02/2022 to 18/02/2022". Météo-France. Retrieved 23 February 2022.
  3. ^ "Tropical Storm Dumako" (PDF). www.meteo.fr.
  4. ^ Moderate Tropical Storm Dumako (06:00 UTC). "Bulletins CMRS". www.meteo.fr. Retrieved 22 February 2022.{{cite web}}: CS1 maint: numeric names: authors list (link)
  5. ^ JTWC best track data. "Joint typhoon warning center".
  6. ^ "Madagascar – Storm Dumako Leaves 6 Dead, Homes Damaged – FloodList". floodlist.com. Retrieved 22 February 2022.
  7. ^ "Madagascar braces for next cyclone as at least 14 killed by storm". Reuters. 19 February 2022. Retrieved 21 February 2022.
  8. ^ Mhango, Tiwonge Kumwenda (18 February 2022). "Malawi: Tropical Storm Dumako to Hit South Malawi". allAfrica.com. Retrieved 21 February 2022.
  9. ^ "Chuvas fortes destroem em Sofala, Zambézia e Nampula". Notícias (in Portuguese). 21 February 2022. Retrieved 20 March 2022.
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