1941–44 Pacific typhoon seasons

The 1941–1944 Pacific typhoon seasons all had no official bounds, but most tropical cyclones tend to form in the northwestern Pacific Ocean between June and December. These dates conventionally delimit the period of each year when most tropical cyclones form in the northwestern Pacific Ocean.

The scope of this article is limited to the Pacific Ocean, north of the equator and west of the international date line. Storms that form east of the date line and north of the equator are called hurricanes; see 1940–1948 Pacific hurricane seasons. Tropical storms formed in the entire west pacific basin were assigned a name by the Joint Typhoon Warning Center.

1941 Pacific typhoon season

In August, a major typhoon brought a great amount of damage to Guam.[1]

Tropical Storm Two

Tropical storm (SSHWS)
 
Duration June 3 – June 5
Peak intensity 65 km/h (40 mph) (1-min) 

The system developed east of Taiwan. It moved in a northeastward direction and it finally dissipated on the 5th. It is unknown weather the storm's peak strength was at a strong tropical depression or weak tropical storm. The storm affected the Ryukyu Islands.

Tropical Storm Twenty-five

Tropical storm (SSHWS)
 
Duration October 20 – October 22
Peak intensity 100 km/h (65 mph) (1-min) 

The storm developed north of Palawan, Philippines on the 20th of October. It moved westwards in the South China Sea and it dissipated two days later.

1942 Pacific typhoon season

Nine tropical storms are reported in August, which made it the most active August known at the time.[2]

Tropical Storm One

Tropical storm (SSHWS)
 
Duration January 25 – January 29
Peak intensity 110 km/h (70 mph) (1-min) 

The storm didn't really affect that much but it affected the Caroline Islands during late-January 1942.

Tropical Storm Two

Tropical storm (SSHWS)
 
Duration April 8 – April 13
Peak intensity 100 km/h (65 mph) (1-min) 

This storm is very similar to Tropical Storm One. It has the very same track but it is slightly towards the east and affected the Caroline Islands, too.

Tropical Storm Nine

Tropical storm (SSHWS)
 
Duration July 28 – July 30
Peak intensity 100 km/h (65 mph) (1-min) 

A storm formed north of the Philippines on July 28. It impacted Hainan and southern China in July 29–30, as it was dissipating.

Tropical Storm Thirty

Tropical storm (SSHWS)
 
Duration December 13 – December 17
Peak intensity 100 km/h (65 mph) (1-min) 

The final storm of the season developed on December 13 east of Mindanao, Philippines or in the Philippine Sea. It moved in a fast, northward direction. On the 15th, it moved west, and then west the next day. It finally dissipated early on the December 17, due to vertical windshear.

1943 Pacific typhoon season

Typhoon One

Category 1 typhoon (SSHWS)
 
Duration January 16 – January 18
Peak intensity 120 km/h (75 mph) (1-min) 

On January 16, the remnants of a weakening cold front to the east of the Philippines spawned an area of low pressure. The system became better organized as it moved to the northeast, however remained rather shallow. The low was absorbed by a cold front advancing from the north early on January 18, just to the north-northwest of Guam. Based on data from Chin's Atlas the system achieved typhoon strength between the 16 and the 18 of January,[3] however historical weather maps indicated the system never strengthened to a tropical storm.[4]

Tropical Storm Two

Tropical storm (SSHWS)
 
Duration April 9 – April 18
Peak intensity 100 km/h (65 mph) (1-min) 

A tropical low formed to the southwest of Guam and west of Palau on April 8.[5] It moved westward over the next few days and continued to gradually deepen. Discrepancy in the location and strength of the system between Chin's Atlas and weather maps makes it difficult to pinpoint where the system went to after this point. The Chin's Atlas data set has the system moving to the north of Palau and eventually dissipating to the northeast of Catanduanes as a tropical storm on April 16.[3] Historic weather maps has the low moving straight west towards Mindanao, and curving sharply to the north on the 13. Afterwards the low strengthens to a tropical storm while paralleling the coast to the east during April 14. On April 15 the storm made landfall in Eastern Samar with a pressure below 1000 millibars.[6] Afterwards the storm weakened and moved north in response to a nearby front and stalled to the east of Luzon. An area of low pressure soon evolved to the north near Taiwan, on April 18, and moved the stalled depression to the north east. Later the system became absorbed with a cold front.[7]

Tropical Storm Three

Tropical storm (SSHWS)
 
Duration April 15 – April 16
Peak intensity 95 km/h (60 mph) (1-min) 

Chin's Atlas has a tropical storm moving to the northwest of the Mariana Islands between the 15 and 16 of April.[3] Weather maps indicate a weak low pressure area attached to a cold front, likely indicating the storm was extra-tropical in nature.[8] The remnants of the storm was located several miles south of Japan.

Typhoon Four

 
Duration April 28 – May 10
Peak intensity Winds not specified 

A disturbance formed south southwest of the Mariana Islands on April 27. It gradually intensified into a tropical depression on the 28th. The storm dissipated on May 10.[9]

Typhoon Five

 
Duration May 11 – May 21
Peak intensity Winds not specified 

A storm developed in the Philippine Sea and east of Visayas, Philippines on May 11. It strengthened into a typhoon during its lifecycle but it is unknown of where it reached its intensity. The storm finally dissipated on May 21.

1944 Pacific typhoon season

Season summary

Typhoon Cobra

Category 2 typhoon (SSHWS)
 
Duration May 11 – May 21
Peak intensity 160 km/h (100 mph) (1-min)  955 hPa (mbar)

Typhoon Cobra was first spotted on December 17, in the Philippine Sea. It sank three US destroyers, killing at least 790 people, before dissipating the next day.

Typhoon Three

 
Duration May 31 – June 2
Peak intensity Winds not specified 

This typhoon is an unknown storm. Maybe formed over Guam

Tropical Storm Four

 
Duration June 7 – June 9
Peak intensity Winds not specified 

Tropical Storm Four formed on June 7. The storm moved in a north direction in the Pacific Ocean before dissipating on June 9.

See also

References

  1. ↑ PAO.cnmoc.navy.mil
  2. ↑ Stark, L. P. (August 1960). "The Weather and Circulation of August 1960: A Month Dominated by a Circulation Reversal" (PDF). Monthly Weather Review. p. 290.
  3. 1 2 3 National Climatic Data Center (2013). "td9636 File". National Oceanic and Atmospheric Administration. Retrieved 6 January 2014.
  4. ↑ "Northern Hemisphere Synoptic Weather Map for January 17, 1943" (PDF). United States of America Department of Commerce. 1943. Retrieved 6 January 2014.
  5. ↑ "Northern Hemisphere Synoptic Weather Map for April 8, 1943" (PDF). United States of America Department of Commerce. 1943. Retrieved 6 January 2014.
  6. ↑ "Northern Hemisphere Synoptic Weather Map for April 15, 1943" (PDF). United States of America Department of Commerce. 1943. Retrieved 6 January 2014.
  7. ↑ "Northern Hemisphere Synoptic Weather Map for April 19, 1943" (PDF). United States of America Department of Commerce. 1943. Retrieved 6 January 2014.
  8. ↑ "Northern Hemisphere Synoptic Weather Map for April 16, 1943" (PDF). United States of America Department of Commerce. 1943. Retrieved 6 January 2014.
  9. ↑ "Hurricane Archive - Weather Underground". www.wunderground.com.


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