Attachments
FOREWARD
The Annual Tropical Cyclone Report is prepared by the Staff of the Joint Typhoon Warning Center (JTWC). JTWC is a combined USAF/USN entity operating under the command of the U. S. Naval Oceanography Command Center, Guam. The senior Air Force Officer assigned is designated as Director, JTWC and is responsible to the Commanding Officer, U.S. Naval Oceanography Command Center, Guam for the operation of the JTWC. The senior Naval Officer of the JTWC is designated as the Deputy Director/Operations Officer. The JTWC was established by CINCPACFLT message 260208Z April 1959 when directed by CrNCPAC message 230233Z April 1959. Its operation is guided by the CINCPACINST 3140.1 (series).
The Naval Oceanography Command Center/ Joint Typhoon Warning Center, Guam has the responsibility to:
1. Provide continuous meteorological watch of all tropical activity north and south of the equator, west of the Date line, and east of the African coast (JTWC area of responsibility)for potential tropical cyclone development.
2. Provide warnings for all significant tropical cyclones in the assigned area of responsibility.
3. Determine tropical cyclone reconnaissance requirements and assign priorities.
4. Conduct an annual post-analysis of all tropical cyclones occurring within the JTWC area of responsibility and prepare an Annual Tropical Cyclone Report for issuance to interested agencies. Only summaries and statistics for Northern Hemisphere tropical cyclones are included in this report.
5. Conduct tropical cyclone forecasting and detection research as practicable.
In the event of incapacitation of the JTWC, the Alternate JTWC (AJTWC) assumes responsibility for issuing warnings. The U. S. Naval Western Oceanography Center, Pearl Harbor, Hawaii is designated as the AJTWC. Assistance in determining tropical cyclone reconnaissance requirements and in obtaining reconnaissance data is provided by Detachment 4, 1st Weather Wing, Hickam AFB, Hawaii.
The meteorological services of the United States are planning to implement the metric system of measurement over the next few years. Some civilian and military agencies have started the education program by showing the metric equivalents to current units of measure. This Annual Tropical Cyclone Report includes metric equivalents to most measures.
Unless otherwise stated, all satellite data used in this report are Air Force Air Weather Service data acquired by Air Force Communications Command personnel and analyzed by satellite analysts at Det 1, lWW, COlocated with the JTWC at Nimitz Hill, Guam; Det 5, lWW, Clark Air Base, Philippines; Det 8. 30WS, Kadena Air Base, Japan; Det 15, 30WS, Osan Air Base, Korea; Det 4, lWW, Hickam Air Force Base, Hawaii; and Air Force Global Weather Central, Offutt Air Force Base, Nebraska. The Naval Oceanography Command Detachment, Diego Garcia, also provided timely satellite position fixes for tropical disturbances in the Arabian Sea and Bay of Bengal.
The Staff of JTWC is indebted to Captain Thomas R. Murray, USN and Captain Jesus B. Tupaz, USN, for the many valuable suggestions and comments provided during preparation of the 1980 Annual Tropical Cyclone Report.
The staff of the Joint Typhoon Warning Center wishes to thank the men and women of the Fleet Air Photographic Laboratory, Naval Air Station, Agana for their services in the reproduction of the satellite data for this report.