Attachments
FOREWARD
The Annual Typhoon 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 2802082 April 1959 when directed by CINCPAC message 2302332 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 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 analysis of all tropical annual postcyclones occurring within the JTWC are of responsibility and prepare an Annual Typhoon Report for issuance to interested agencies.
5. Conduct tropical cyclone forecasting and detection research as practicable.
In the event of incapacitation of the JTWC, the alternate (AJTWC) assumes the responsibility for issuing warnings. The U. S. Naval Western Oceanography Center, Pearl Harbort 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 Wingr 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 Typhoon Report includes metric equivalents to most measures.
Unless otherwise stated, all satellite data used in this ATR are Air Force Air Weather Service DMSP Data as acquired by OL-C, 27cS personnel and analyzed by Det 1, lWW personnel colocated with the JTWC at Nimitz Hill, Guam.