Tropical Storm Cimaron (2013)

Tropical Storm Cimaron, known in the Philippines as Tropical Storm Isang, was a weak tropical storm, with only a pressure of 1000 hectopascals and 45 mph, it formed and made landfall in the Philippines, especially Luzon, and China, as well as affecting Southern Taiwan during its nearby passage. Despite being weak, the storm still caused extensive damage amounting to approximately $325 million in China, as well as 6 deaths in total, with 2 in the Philippines.[1]

Tropical Storm Cimaron (Isang)
Tropical storm (JMA scale)
Tropical storm (SSHWS)
Tropical Storm Cimaron over Calayan Group of Islands on July 17
FormedJuly 15, 2013 (2013-07-15)
DissipatedJuly 18, 2013 (2013-07-18)
Highest winds10-minute sustained: 75 km/h (45 mph)
1-minute sustained: 75 km/h (45 mph)
Lowest pressure1000 hPa (mbar); 29.53 inHg
Fatalities6 total
Damage$322 million (2013 USD)
Areas affected
Part of the 2013 Pacific typhoon season

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

In late July 14, a tropical low was formed near Eastern Luzon, as it was gradually moving eastward, the tropical low's deep convection started to wrap around forming a better-defined circulation. Still as a tropical depression, finally on July 16, a tropical depression generated over the western North Pacific to the east of the Luzon Island of the Philippines. The Joint Typhoon Warning Center (JTWC) categorized the depression as 08W, and the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) promptly named it the Philippine name Isang.[2]

As the tropical cyclone which will soon become Cimaron, was currently moving northeastward, still as a tropical depression, it made landfall in Northern Luzon at the same intensity. Many raindrops fell from the sky while thunderstorms spread around the area. A strike of lightning spawned and struck the province of Ilocos Sur, killing 2 people and leaving an extra 2 more injured.[3]

After its landfall in the Philippines, the cyclone entered the Bashi Channel. As it did, it also entered conducive conditions. Due to the favorable ocean conditions, the cyclone's intensity was upgraded to tropical storm status. Simultaneously, it was named Cimaron (1308) by the JMA on early July  17.[4] Cimaron continued to move northwest and entered the northeastern South China Sea, where it affected areas of Taiwan, but no fatalities, injuries, or any missing people were reported around that area. It afterwards began to turn towards the north and approached the south coast of Fujian. It finally made its last landfall as a weak tropical storm of the Zhangpu County on the date of July  18, with the maximum wind speed at its center reaching at least 45 mph at its landfall.

After landfall, Cimaron continued to move in a northwestern direction, with its intensity decreasing very rapidly, and it weakened into a tropical depression within Fujian on July 18. The Japan Meteorological Agency stopped monitoring the storm at 21:00 UTC on July 18, as it was declared it had dissipated by then.

Preparations and impact

Philippines

On July 17, a lightning incident within the Philippine province of Ilocos Sur, left two people dead and two others injured.[3]

China
Tropical Storm Cimaron near landfall in Fujian on July 18

300,000 people were evacuated due to safety.[5] As previously mentioned, a lightning incident occurred in the Philippines killing 2 people. 20 million people were affected by the cyclone, and approximately 9 million people were relocated around the landfall area. An intense and unusual thunderstorm by the cyclone produced 406 lightning strikes in under 2 hours in Xiamen.[6] Direct economic losses from the storm amounted to ¥1.98 billion (US$322 million).[7]

Aftermath

Many torrential rains cascaded down to land in Fujian. In 24 hours, a peak of 505.3 mm (19.89 in) was measured in Mei Village, with an hourly maximum of 132.3 mm (5.21 in).[8] Many roads were flooded and houses damaged due to Cimaron's passage.[9] Areas near Cimaron's landfall had experienced flooding that can happen once in every 500 years. Many powers lines were cut, as well as houses were also destroyed.

See also

References
  1. "Member Report (2013)" (PDF). typhooncommittee. p. 53. Retrieved December 8, 2013.
  2. "Several Luzon provinces under Signal No. 1 as tropical depression 'Isang' intensifies". Frances Mangosing. Retrieved December 8, 2013.
  3. "SitRep No. 3 re Effects and Actions Taken in Response to TS Isang" (PDF). July 17, 2013. Archived from the original (PDF) on December 4, 2013. Retrieved December 3, 2013.
  4. "TRMM Sees Strong Tropical Storm Cimaron". Retrieved July 19, 2013.
  5. "Severe weather across eastern Asia". July 20, 2013. Retrieved December 8, 2013.
  6. 台风"西马仑"致厦门一晚闪电406次 (in Chinese). Sohu.com Incorporated. July 20, 2013. Retrieved October 1, 2013.
  7. China Meteorological Administration (November 22, 2013). Member Report: China (PDF). ESCAP/WMO Typhoon Committee: 8th Integrated Workshop/2nd TRCG Forum. ESCAP/WMO Typhoon Committee. p. 16. Archived (PDF) from the original on December 2, 2013. Retrieved November 26, 2013.
  8. "西马仑"横扫福建 雨势猛烈开车如开船 (in Chinese). Sina Corp. July 19, 2013. Retrieved October 1, 2013.
  9. 闽南地区受热带风暴"西马仑"影响发生特大暴雨 (in Chinese). 新华网. July 20, 2013. Retrieved October 1, 2013.
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