Tropical Storm Krovanh (2020)

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Tropical Storm Krovanh (Vicky)
Tropical storm (JMA scale)
Tropical depression (SSHWS)
Krovanh 2020-12-20 0525Z.jpg
Tropical Storm Krovanh over the South China Sea on December 20
FormedDecember 18, 2020
DissipatedDecember 25, 2020
Highest winds10-minute sustained: 65 km/h (40 mph)
1-minute sustained: 55 km/h (35 mph)
Lowest pressure1000 hPa (mbar); 29.53 inHg
Fatalities9 deaths 1 missing
Damage$4.48 million (2020 USD)
Areas affectedPhilippines, Malaysia, Thailand
Part of the 2020 Pacific typhoon season

Tropical Storm Krovanh, known in the Philippines as Tropical Depression Vicky, was a tropical cyclone which caused deadly flooding in the Philippines during December 2020. The 31st depression and 23rd and final named storm of the 2020 Pacific typhoon season, Krovanh originated from a tropical depression which was first monitored by PAGASA, late on December 17. The system strengthened with PAGASA naming it Vicky, meanwhile the JMA monitored it as a low pressure area. The depression then made several landfalls over the Philippines on December 18–19 before moving out of the PAR on December 20, as it strengthened into a tropical storm according to the JMA and was named Krovanh. However, Krovanh was downgraded back to a tropical depression the next day, with the JTWC issuing their final advisory on December 22.

Krovanh caused flash flooding and mudslides across the Philippines damaging numerous homes. 9 people were killed by the storm and 1 person remains missing as of December 23, 2020. Damage in the Philippines totaled to around ₱213.2 million (US$4.48 million) [1]

Meteorological history[]

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
▲ Extratropical cyclone / Remnant low / Tropical disturbance / Monsoon depression

On December 17 at 21:00 UTC, the PAGASA began issuing bulletins for a system 140 nautical miles (260 km) east-southeast of Davao.[2][3] The PAGASA had already recognized the system as a tropical depression and named it Vicky, however at the time, the Japan Meteorological Agency (JMA) only recognized the system as a low-pressure area.[4] The next day, the JMA followed suit and recognized the system as a tropical depression.[5] At 14:00 PHT (6:00 UTC), the system made landfall in Baganga, Davao Oriental.[6] 9 hours later, it emerged off the coast of Misamis Oriental and entered the Bohol Sea, later entering the Sulu Sea on the next day at 5:00 PHT (21:00 UTC).[7] On December 19 at 23:00 PHT (15:00 UTC), Krovanh made its second landfall over central Palawan, emerging into the South China Sea shortly after.[8][9] As the storm traversed the South China Sea, the system had strengthed into a tropical storm according to the JMA as it emerged into a region of relatively favorable atmospheric conditions, thus given the name Krovanh.[10] On December 20 at 14:00 PHT (6:00 UTC), Krovanh left the Philippine Area of Responsibility, although storm signals were still raised for the Kalayaan Islands.[11] The PAGASA then upgraded Krovanh into a tropical storm, and issued a Signal No. 2 warning for the Kalayaan Islands.[12] The next day, December 21, Krovanh was downgraded into a tropical depression by both the JMA and by the PAGASA in their final advisories for the storm.[13][14] The JTWC then issued their final warning on Krovanh the next day shortly after most of its central convection had dissipated due to increasingly hostile wind shear.[15]

Preparations and impact[]

Philippines[]

Large swaths of Visayas and Mindanao were placed under Signal No. 1 warnings due to Krovanh.[16] Sea travel was subsequently suspended in the areas affected by the warnings.[17] Roughly 10,000 people stayed in shelters.[18] Floods and landslides were triggered in Cebu, Agusan del Sur, Davao de Oro, and in Leyte, where two senior citizens were killed in a landslide. In Lapu-Lapu City, 300 residents were forced to evacuate after 76 houses near the shore were swept into sea.[19] Damages have been estimated to total up to ₱213.2 million (US$4.48 million). At least nine people were killed by the effects of Krovanh.[20] At least 31,408 families were affected by the storm in the Philippines.[21]

Malaysia[]

The Malaysian Meteorological Department issued an advisory for the state of Sabah, for the possibility of rough seas and gusty winds associated with Krovanh.[22]

See also[]

References[]

  1. ^ Agencies (2020-12-21). "At least 9 killed in floods, landslides in Philippines". Daily Sabah. Retrieved 2020-12-24.
  2. ^ "Severe Weather Bulletin #1 for Tropical Depression 'Vicky'" (PDF). PAGASA. 17 December 2020. Archived from the original (PDF) on 17 December 2020. Retrieved 17 December 2020.
  3. ^ "Significant Tropical Weather Advisory for the Western and South Pacific Oceans". Joint Typhoon Warning Center. 2020-12-17. Archived from the original on 2020-05-18. Retrieved 2020-12-18.
  4. ^ "Weather Maps". Japan Meteorological Agency. 2020-12-17. Archived from the original on 2020-12-18. Retrieved 2020-12-18.
  5. ^ "Tropical Cyclone Information". Japan Meteorological Agency. 2020-12-18. Archived from the original on 2020-12-18. Retrieved 2020-12-18.
  6. ^ "Severe Weather Bulletin #5 for Tropical Depression 'Vicky'" (PDF). PAGASA. 18 December 2020. Archived from the original (PDF) on 18 December 2020. Retrieved 18 December 2020.
  7. ^ "Severe Weather Bulletin #9 for Tropical Depression 'Vicky'" (PDF). PAGASA. 18 December 2020. Archived from the original (PDF) on 18 December 2020. Retrieved 18 December 2020.
  8. ^ "Severe Weather Bulletin #14 for Tropical Depression 'Vicky'" (PDF). PAGASA. 19 December 2020. Archived from the original (PDF) on 19 December 2020. Retrieved 19 December 2020.
  9. ^ "Sitrep No. 2 re Preparedness Measures and Effects for Tropical Depression "VICKY"" (PDF). National Disaster Risk Reduction and Management Council. 2020-12-19.
  10. ^ "Tropical Cyclone Information". Japan Meteorological Agency. 2020-12-20. Archived from the original on 2020-12-20. Retrieved 2020-12-20.
  11. ^ "Severe Weather Bulletin #19 for Tropical Depression 'Vicky' (Krovanh)" (PDF). PAGASA. 20 December 2020. Archived from the original (PDF) on 20 December 2020. Retrieved 20 December 2020.
  12. ^ "Severe Weather Bulletin #20 for Tropical Storm 'Vicky' (Krovanh)" (PDF). PAGASA. 20 December 2020. Archived from the original (PDF) on 20 December 2020. Retrieved 20 December 2020.
  13. ^ "Tropical Cyclone Information". Japan Meteorological Agency. 2020-12-21. Archived from the original on 2020-12-21. Retrieved 2020-12-21.
  14. ^ "Severe Weather Bulletin #22-FINAL for Tropical Depression 'Vicky' (Krovanh)" (PDF). PAGASA. 20 December 2020. Archived from the original (PDF) on 20 December 2020. Retrieved 20 December 2020.
  15. ^ "Tropical Depression 26W (Krovanh) Warning #11". Joint Typhoon Warning Center. December 22, 2020. Archived from the original on December 22, 2020.
  16. ^ "Signal No. 1 raised in some areas due to Tropical Depression Vicky". cnnphilippines.com. CNN Philippines. December 18, 2020. Retrieved December 18, 2020.
  17. ^ Carlo Lorenciana (December 18, 2020). "Coast Guard Cebu suspends sea trips due to 'Vicky'". pna.gov.pj. Philippines News Agency. Retrieved December 21, 2020.
  18. ^ AFP. "Thousands flee as heavy rains strike Philippines". shine.cn. Shine. Retrieved December 28, 2020.
  19. ^ Nishimori, Aleta Nieva (2020-12-19). "'Vicky' triggers floods, landslides in parts of Visayas, Mindanao; at least 2 dead". ABS-CBN News. Retrieved 2020-12-19.
  20. ^ "Vicky leaves 8 dead, ₱110M infra damage — NDRRMC". CNN Philippines. Retrieved 2020-12-21.
  21. ^ Govt. Philippines (December 24, 2020). "DSWD DROMIC Report #5 on Tropical Depression "VICKY" as of 22 December 2020, 6PM". reliefweb.int. ReliefWeb. Retrieved December 28, 2020.
  22. ^ "MetMalaysia issues tropical storm Krovanh advisory in Sabah". malaymail.com. MalayMail. December 20, 2020. Retrieved December 21, 2020.

External links[]

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