1948 Pacific typhoon season

	Typhoon (JMA)
	Category 1 typhoon (SSHWS)
Duration	May 16 – May 20
Peak intensity	150 km/h (90 mph) (1-min) 971 hPa (mbar)

	Typhoon (JMA)
	Category 4 super typhoon (SSHWS)
Duration	January 11 – January 19
Peak intensity	240 km/h (150 mph) (1-min) 936 hPa (27.64 inHg) hPa (mbar)

1948 Pacific typhoon season
	Season summary map
Seasonal boundaries
First system formed	January 11, 1948
Last system dissipated	December 16, 1948
Strongest storm
Name	Libby
• Maximum winds	230 km/h (145 mph); (1-minute sustained)
• Lowest pressure	924 hPa (mbar)
Seasonal statistics
Total storms	26
Typhoons	15
Super typhoons	1 (unofficial)
Total fatalities	Unknown
Total damage	Unknown
Related articles
	1948 Atlantic hurricane season; 1940-1948 Pacific hurricane seasons;

The 1948 Pacific typhoon season is an event in the annual cycle of tropical cyclone formation, in which tropical cyclones form in the western Pacific Ocean. The season runs throughout 1948, though most tropical cyclones typically develop between May and October. The scope of this article is limited to the Pacific Ocean to the north of the equator between 100°E and 180th meridian. Within the northwestern Pacific Ocean, there are two separate agencies that assign names to tropical cyclones which can often result in a cyclone having two names. The Japan Meteorological Agency (JMA) will name a tropical cyclone should it be judged to have 10-minute sustained wind speeds of at least 65 km/h (40 mph) anywhere in the basin, whilst the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) assigns names to tropical cyclones which move into or form as a tropical depression in their area of responsibility located between 135°E and 115°E and between 5°N–25°N regardless of whether or not a tropical cyclone has already been given a name by the JMA. Tropical depressions that are monitored by the United States' Joint Typhoon Warning Center (JTWC) are given a number with a "W" suffix.

Season summary

Storms

Typhoon Karen

Typhoon Karen, the strongest cyclone of the season and the one of the earliest recorded if not the earliest super typhoon, developed on January 11, well west of the Philippines. It curved westward while slowly intensifying. After a prolonged period of the slow intensification, the tropical cyclone began to rapidly strengthen. It became a super typhoon on January 16. Shortly after, it weakened and dissipated on January 19.

Typhoon Lana

Typhoon Mabel

Typhoon (JMA)
Category 1 typhoon (SSHWS)

Duration	May 29 – June 2
Peak intensity	150 km/h (90 mph) (1-min) 964 hPa (mbar)

Typhoon Nadine

Typhoon (JMA)
Tropical storm (SSHWS)

Duration	June 9 – June 11
Peak intensity	110 km/h (70 mph) (1-min) 986 hPa (mbar)

Tropical Storm Ophelia

Tropical storm (SSHWS)

Duration	June 10 – June 11
Peak intensity	75 km/h (45 mph) (1-min) 991 hPa (mbar)

Ophelia formed on June 10 in the South China Sea. It moved west and struck southern China. It dissipated the next day, without attaining maximum sustained winds any higher than 45 mph.

Typhoon Pearl

Typhoon (JMA)
Category 2 typhoon (SSHWS)

Duration	July 1 – July 8
Peak intensity	165 km/h (105 mph) (1-min) 960 hPa (mbar)

Typhoon Rose

Typhoon (JMA)
Category 1 typhoon (SSHWS)

Duration	July 23 – July 28
Peak intensity	130 km/h (80 mph) (1-min) 981 hPa (mbar)

Typhoon Bertha

Typhoon (JMA)
Category 1 typhoon (SSHWS)

Duration	August 4 – August 6
Peak intensity	130 km/h (80 mph) (1-min) 976 hPa (mbar)

Typhoon Chris

Typhoon (JMA)
Tropical storm (SSHWS)

Duration	August 8 – August 14
Peak intensity	95 km/h (60 mph) (1-min) 988 hPa (mbar)

Typhoon Dolores–Eunice

Typhoon (JMA)
Tropical storm (SSHWS)

Duration	August 10 – August 14
Peak intensity	85 km/h (50 mph) (1-min) 990 hPa (mbar)

Tropical Storm Dolores was tracked by the Air Weather Service located on Guam. At one point, a tropical storm was identified and assigned the name Eunice. Post analysis showed that Tropical Storm Dolores was north of the forecast location and actually the system assigned the name Eunice.[1]

Typhoon Flo

Typhoon (JMA)
Tropical storm (SSHWS)

Duration	August 20 – August 23
Peak intensity	95 km/h (60 mph) (1-min) 990 hPa (mbar)

Typhoon Gestrude

Typhoon (JMA)
Category 2 typhoon (SSHWS)

Duration	August 27 – September 4
Peak intensity	155 km/h (100 mph) (1-min) 976 hPa (mbar)

Typhoon Hazel

Typhoon (JMA)
Category 1 typhoon (SSHWS)

Duration	September 2 – September 7
Peak intensity	150 km/h (90 mph) (1-min) 966 hPa (mbar)

Typhoon Ione

Typhoon (JMA)
Category 4 typhoon (SSHWS)

Duration	September 11 – September 17
Peak intensity	220 km/h (140 mph) (1-min) 925 hPa (mbar)

A Tropical Storm formed on September 11 and soon turned toward Japan as it gained strength. Ione soon reached category 4 intensity on September 14. Ione then began to lose strength and became a category 1 on September 16. Then, Ione struck Japan in that day killing 838 people.[2] Ione further weakened and became a Tropical Storm on the 17th. Ione then dissipated.

Typhoon Jackie

Typhoon (JMA)
Category 1 typhoon (SSHWS)

Duration	September 11 – September 18
Peak intensity	150 km/h (90 mph) (1-min) 962 hPa (mbar)

Typhoon Kit

Typhoon (JMA)
Tropical storm (SSHWS)

Duration	September 24 – September 28
Peak intensity	110 km/h (70 mph) (1-min) 989 hPa (mbar)

Typhoon Libby

Typhoon (JMA)
Category 4 typhoon (SSHWS)

Duration	September 29 – October 7
Peak intensity	230 km/h (145 mph) (1-min) 924 hPa (mbar)

Typhoon Martha

Typhoon (JMA)
Category 3 typhoon (SSHWS)

Duration	October 4 – October 8
Peak intensity	185 km/h (115 mph) (1-min) 943 hPa (mbar)

Typhoon Norma

Typhoon (JMA)
Tropical storm (SSHWS)

Duration	October 11 – October 12
Peak intensity	95 km/h (60 mph) (1-min) 992 hPa (mbar)

Tropical Storm Olga

Tropical storm (SSHWS)

Duration	October 16 – October 19
Peak intensity	100 km/h (65 mph) (1-min) 994 hPa (mbar)

Typhoon Pat

Typhoon (JMA)
Tropical storm (SSHWS)

Duration	October 27 – October 31
Peak intensity	110 km/h (70 mph) (1-min) 987 hPa (mbar)

Typhoon Rita

Typhoon (JMA)
Category 3 typhoon (SSHWS)

Duration	November 4 – November 11
Peak intensity	185 km/h (115 mph) (1-min) 957 hPa (mbar)

Typhoon Agnes

Typhoon (JMA)
Category 2 typhoon (SSHWS)

Duration	November 13 – November 20
Peak intensity	175 km/h (110 mph) (1-min) 939 hPa (mbar)

Tropical Storm 24W

Tropical storm (SSHWS)

Duration	November 29 – December 2
Peak intensity	85 km/h (50 mph) (1-min) 997 hPa (mbar)

Typhoon Beverly

Typhoon (JMA)
Category 1 typhoon (SSHWS)

Duration	December 2 – December 10
Peak intensity	150 km/h (90 mph) (1-min) 947 hPa (mbar)

Tropical Storm 26W

Tropical storm (SSHWS)

Duration	December 12 – December 16
Peak intensity	75 km/h (45 mph) (1-min) 997 hPa (mbar)

Other Systems

Between 23 July and 4 August, the name Annabell was assigned to a North West Pacific system. The Air Weather Service issued a bulletin issued and tropical cyclone named on what was later determined to be "trough activity"

Storm names

Tropical storm names were assigned by the Joint Typhoon Warning Center since 1945.

Karen	Lana	Mabel	Nadine	Ophelia	Pearl	Rose	Annabell	Bertha
Chris	Dolores	Eunice	Flo	Gestrude	Hazel	Ione	Jackie	Kit
Libby	Martha	Norma	Olga	Pat	Rita	Agnes	Beverly

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References

Air Weather Service "Report on the Typhoon Post-Analysis Program (1948-1949) of the North Pacific Typhoon Warning System"
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External links

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[1] Air Weather Service "Report on the Typhoon Post-Analysis Program (1948-1949) of the North Pacific Typhoon Warning System"

[Disaster_Prevention_in_Japan-2] Translate.google.com