Tropical Storm Haikui (2017)

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Tropical Storm Haikui (Salome)
Tropical storm (JMA scale)
Tropical storm (Saffir–Simpson scale)
Haikui 2017-11-11 0250Z.jpg
Tropical Storm Haikui at peak intensity on November 11
Formed November 7, 2017
Dissipated November 13, 2017
Highest winds 10-minute sustained: 75 km/h (45 mph)
1-minute sustained: 75 km/h (45 mph)
Lowest pressure 998 hPa (mbar); 29.47 inHg
Damage $4.3 million (2017 USD)
Areas affected Philippines, South China, Central Vietnam
Part of the 2017 Pacific typhoon season

Tropical Storm Haikui, known in the Philippines as Tropical Storm Salome, was a weak tropical cyclone that affected the Philippine archipelagos of Luzon and Visayas. Forming as the twenty-fourth named storm of the 2017 typhoon season, Haikui developed as a tropical depression to the east of Samar on November 9. Traversing some Philippine islands, the system gradually intensified into a named tropical storm by November 10. In that same day, Haikui emerged to the South China Sea.

Meteorological history[edit]

Map plotting the track and the intensity of the storm, according to the Saffir–Simpson scale

On November 8, a tropical disturbance had developed about 709 km (441 mi) southeast of Sorsogon.[1] After some organization, the Joint Typhoon Warning Center (JTWC) issued a Tropical Cyclone Formation Alert.[2] By 00:00 UTC of November 9, the PAGASA began tracking on the system, giving the local name Salome.[3] The JTWC issued their first advisory on Salome three hours later, designating the system as 30W.[4] The Japan Meteorological Agency (JMA) followed suit a few hours later, as they classified it as a tropical depression with winds of 55 km/h (35 mph).[5] Satellite imagery found a consolidating low-level circulation center (LLCC) with convective banding wrapping into it.[6] By 12:00 UTC of the same day, the JMA upgraded the system to a tropical storm, naming it Haikui, the twenty-fourth named storm of the season.[7] Around the same time it was named, the PAGASA indicated that Haikui made landfall in San Juan, Batangas.[8]

While traversing Southern Luzon, Haikui's LLCC became defined while its structure had greatly improved with a convective structure.[9] Despite a slight deterioration of its structure with some warming in its cloud tops, Haikui was located over in a favorable environment with "very" warm sea-surface temperatures of 30°C (86°F), a low shear and a pronounced poleward outflow.[10] By November 10, the JTWC finally upgraded Haikui to a tropical storm after a sudden burst of deep convection occurred near its center.[11][12]

Preparations and impact[edit]


On November 9, as soon as the PAGASA started issuing advisories on the system, Tropical Cyclone Signal #1 was raised to 15 provinces over in the Bicol Region, Western Visayas and CALABARZON.[13] The National Disaster Risk Reduction and Management Council (NDRRMC) had immediately announced to suspend all trips from the Batangas Port. Warning was also raised for sea travel over in the storm signal-raised areas due to moderate and rough seas.[13] By November 10, the PAGASA had raised the Tropical Cyclone Signal #2 over in Metro Manila, Laguna and Batangas after Haikui (Salome) strengthened into a tropical storm.[14] Any other tropical cyclone signals were also extended to Central Luzon (Region III) and provinces of Zambales.[15] Estimated rainfall was ranging from the categories of moderate to heavy within the 250 km-diameter of the storm. The public and management councils were already advised to take actions.[16] The PAGASA had also warned on possibilities of further landslides and flooding to provinces further north, especially in the Ilocos Region (Region I) and the Cagayan Valley (Region II).[17] Classes over in the capital region and nearby cities and provinces were suspended on November 10.[18]

Some domestic and international flights were canceled on November 9.[19][20] More than 700 passengers were stranded over in ports of Southern Luzon and Eastern Visayas.[15] The Office of Civil Defense of MIMAROPA region stated that 247 of those were over in Mindoro.[15] About 13 boats were destroyed in Tabaco City, Albay due to rough current.[21] However two boats carrying passengers and cargoes were stopped over in the Balanacan Port in Marinduque.[22] The storm also caused some landslides and rockslides to occur in Samar, which blocked major roads.[23] Nine villages in Batangas also experienced power outages as well as rising water levels of the Calumpang River, prompting nearby residents to prepare and evacuate.[24] In Siniloan, Laguna, 15 barangays were flooded with a landslide that covered and damaged a house.[25] Camarines Sur also experienced damaged agricultural crops due to flooding as well as knocked-down trees due to gusty winds. An extra 300 passengers were stranded along a port in Romblon.[25] As of November 11, the Department of Social Welfare and Development (DWSD) had recorded a total of 126 families who were affected by the storm, while 10 families were still staying in an evacuation center in Dipaculao, Aurora.[26]

On November 14, the NDRRMC had recorded a total of 15 suspended classes over in some regions during November 9–10.[27] Seven road sections were not passable and in Dipaculao, Aurora, five houses were damaged. Majority of the damages were recorded over in the region of Calabarzon and was totaled up to Php218.5 million (US$4.3 million).[27]


On November 13 and 14, Haikui produced heavy, sustained rain in the island province of Hainan, China. Flooding was recorded in several locations on the east side of the province. In the capital Haikou, flooding caused road closure. [28][29]

See also[edit]


  1. ^
  2. ^
  3. ^ "LPA now Tropical Depression Salome". SunStar. November 9, 2017. 
  4. ^ "Tropical Depression 30W (Thirty) Warning Nr 001". Joint Typhoon Warning Center. November 9, 2017. 
  5. ^ "RSMC Tropical Cyclone Advisory TD". Japan Meteorological Agency. November 9, 2017. 
  6. ^ "Prognostic Reasoning for Tropical Depression 30W (Thirty) Warning Nr 02". Joint Typhoon Warning Center. November 9, 2017. 
  7. ^ "RSMC Tropical Cyclone Advisory TS 1724 HAIKUI (1724) UPGRADED FROM TD". Japan Meteorological Agency. November 9, 2017. 
  8. ^ "'Salome' makes landfall over San Juan, Batangas". ABS-CBN News. November 9, 2017. 
  9. ^ "Prognostic Reasoning for Tropical Depression 30W (Haikui) Warning Nr 03". Joint Typhoon Warning Center. November 9, 2017. 
  10. ^ "Prognostic Reasoning for Tropical Depression 30W (Haikui) Warning Nr 04". Joint Typhoon Warning Center. November 9, 2017. 
  11. ^ "Tropical Storm 30W (Haikui) Warning Nr 006". Joint Typhoon Warning Center. November 10, 2017. 
  12. ^ "Prognostic Reasoning for Tropical Storm 30W (Haikui) Warning Nr 06". Joint Typhoon Warning Center. November 10, 2017. 
  13. ^ a b Kristine J Patag (November 9, 2017). "15 areas under signal no. 1 due to Tropical Depression Salome". Philstar. 
  14. ^ "'Salome' now a tropical storm, signal No. 2 up in Metro Manila, 6 areas". Inquirer. November 10, 2017. 
  15. ^ a b c "TD Salome leaves hundreds stranded". CNN Philippines. November 10, 2017. 
  16. ^ "Tropical Storm Salome maintains strength, now off Batangas coast". GMA News. November 10, 2017. 
  17. ^ Frances G Mangosing (November 10, 2017). "Pagasa lifts all storm signals as Salome gears to exit PAR". Inquirer. 
  18. ^ "#WalangPasok: Class suspensions, Friday, November 10". Rappler. November 10, 2017. 
  19. ^ "Tropical Storm Haikui (30W)". Reactions. November 9, 2017. 
  20. ^ "Bad weather results in cancelled flights on Thursday, Nov 9". Rappler. November 9, 2017. 
  21. ^ Melissa Basmayor (November 10, 2017). "'Salome'wrecks 13 boats in Albay". Philstar. 
  22. ^ Ronilo Dagos, Tina Mendoza (November 10, 2017). "'Salome' lumakas pa" (in Tagalog). Abante. 
  23. ^ "'Salome' triggers landslides, rockslides in Samar: DPWH". Northbound. November 10, 2017. 
  24. ^ "'Salome' downgraded to signal No. 1 in Metro Manila". ABS-CBN News. November 10, 2017. 
  25. ^ a b "Salome's rains cause floods, winds topple trees in parts of Luzon". GMA News. November 10, 2017. 
  26. ^ "DSWD DROMIC Report #3 on Tropical Storm "SALOME"" (PDF). Philippine Department of Social Welfare and Development. November 11, 2017. 
  27. ^ a b "Update SitRep No.7 re Preparedness Measures and Effects of Tropical Storm SALOME" (PDF). NDRRMC. November 14, 2017. 
  28. ^
  29. ^

External links[edit]

  • 30W.HAIKUI from the U.S. Naval Research Laboratory