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The 1943 Pacific typhoon season has no official bounds; it ran year-round in 1943, 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 1943 Pacific hurricane season.

There were 34 tropical cyclones in the western Pacific in 1943.

Systems

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, however historical weather maps indicated the system never strengthened to a tropical storm.

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. 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. 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. 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.

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. Weather maps indicate a weak low pressure area attached to a cold front, likely indicating the storm was extra-tropical in nature. 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.

Typhoon Five

Duration	May 10 – May 20
Peak intensity	Winds not specified;

A storm developed in the Philippine Sea and east of Visayas, Philippines on May 10. It strengthened into a typhoon during its lifecycle but it is unknown of where it reached its intensity. The storm finally dissipated on May 20.

See also

• List of Pacific typhoon seasons
• 1900–1950 South-West Indian Ocean cyclone seasons
• 1940s Australian region cyclone seasons
• 1940s South Pacific cyclone seasons

References

1. "IBTrACS - International Best Track Archive for Climate Stewardship". www.atms.unca.edu.
2. ^ National Climatic Data Center (2013). "td9636 File". National Oceanic and Atmospheric Administration. Retrieved 6 January 2014.
3. "Northern Hemisphere Synoptic Weather Map for January 17, 1943" (PDF). United States of America Department of Commerce. 1943. Retrieved 6 January 2014.
4. "Northern Hemisphere Synoptic Weather Map for April 8, 1943" (PDF). United States of America Department of Commerce. 1943. Retrieved 6 January 2014.
5. "Northern Hemisphere Synoptic Weather Map for April 15, 1943" (PDF). United States of America Department of Commerce. 1943. Retrieved 6 January 2014.
6. "Northern Hemisphere Synoptic Weather Map for April 19, 1943" (PDF). United States of America Department of Commerce. 1943. Retrieved 6 January 2014.
7. "Northern Hemisphere Synoptic Weather Map for April 16, 1943" (PDF). United States of America Department of Commerce. 1943. Retrieved 6 January 2014.
8. "Hurricane Archive - Weather Underground". www.wunderground.com.
9. "IBTrACS - International Best Track Archive for Climate Stewardship". ibtracs.unca.edu.

External links

• USAtoday.com

• 1940s Pacific typhoon seasons
• 1943 natural disasters
• 1943 meteorology
• 1943 in Asia
• 1943 in Oceania