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1951 Pacific typhoon season

1951 Pacific typhoon season
1951 Pacific typhoon season summary map.png
Season summary map
Seasonal boundaries
First system formed February 19, 1951
Last system dissipated December 16, 1951
Strongest storm
Name Marge
 • Maximum winds 185 km/h (115 mph)
(1-minute sustained)
 • Lowest pressure 886 hPa (mbar)
Seasonal statistics
Total depressions 31
Total storms 25
Typhoons 16
Super typhoons 1  (unofficial)
Total fatalities 1,185 (including missing and injured)
Total damage $106.15 million (1951 USD)
Related articles
Pacific typhoon seasons
1949, 1950, 1951, 1952, 1953
Tropical storm (JMA)
JMA TS 01 1951 track.png 
Duration February 19 – February 21
Peak intensity 65 km/h (40 mph) (10-min)  990 hPa (mbar)
Category 4 typhoon (SSHWS)
Georgia 1951 track.png 
Duration March 18 – March 27
Peak intensity 220 km/h (140 mph) (1-min)  970 hPa (mbar)
Category 1 typhoon (SSHWS)
Typhoon Hope analysis 18 Apr 1951.png Hope 1951 track.png
Duration April 15 – April 23
Peak intensity 130 km/h (80 mph) (1-min)  980 hPa (mbar)
Category 5 super typhoon (SSHWS)
Typhoon Iris analaysis 4 May 1951.png Iris 1951 track.png
Duration April 28 – May 13
Peak intensity 280 km/h (175 mph) (1-min)  909 hPa (mbar)
Category 1 typhoon (SSHWS)
Joan 1951 track.png 
Duration May 6 – May 13
Peak intensity 140 km/h (85 mph) (1-min)  980 hPa (mbar)
Tropical depression (CMA)
CMA TD 05 1951 track.png 
Duration May 12 – May 14
Peak intensity 55 km/h (35 mph) (10-min)  998 hPa (mbar)
Tropical storm (CMA)
CMA TS 06 1951 track.png 
Duration June 17 – June 22
Peak intensity 75 km/h (45 mph) (10-min)  992 hPa (mbar)
Category 3 typhoon (SSHWS)
Kate 1951 track.png 
Duration June 26 – July 2
Peak intensity 185 km/h (115 mph) (1-min)  975 hPa (mbar)
Severe tropical storm (JMA)
JMA TS 07 1951 track.png 
Duration June 30 – July 5
Peak intensity 95 km/h (60 mph) (10-min)  992 hPa (mbar)

The 1951 Pacific typhoon season was a generally below average season with multiple tropical cyclones striking the Philippines. With the exception of January, each month saw at least one tropical system develop; October was the most active month with four tropical cyclones forming. Overall, there were 21 tropical depressions, of which 17 became named storms; of those, there were 16 typhoons.

The season began with the formation of a short-lived unnamed tropical storm on February 19, well east of the Philippines; Typhoon Georgia became the season's first named storm and typhoon after first developing in the open Pacific on March 20. In April, Typhoon Iris developed before intensifying into a super typhoon the following month; Iris was the first recorded instance of a Category 5-equivalent typhoon in the western Pacific. The final typhoon and storm of the year was Typhoon Babs, which remained at sea before dissipating on December 17.

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 1951 Pacific hurricane season. At the time, tropical storms that formed within this region of the western Pacific were named and identified by the United States Fleet Weather Center in Guam. However, the Japan Meteorological Agency (JMA), which was established five years later, identified four additional tropical cyclones during the season not tracked by the Fleet Weather Center; these analyzed systems did not receive names.

At 0600 UTC on February 19, a tropical cyclone developed well east of the Philippines and began to track northeastward. Late on February 20, the tropical cyclone reached its peak intensity with a minimum central pressure of 990 mbar (hPa; 29.23 inHg) shortly before becoming extratropical; the consequent extratropical cyclone continued to strengthen before dissipating on February 21. This cyclone was not operationally tracked by the Guam Fleet Weather Center, and as such was added to the season by the Japan Meteorological Agency in 1990.


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