Television Seals of Approval

Television Seals of Approval has been changed; 2) changes in the codes for report- Forecasts (TWEBs), Meteorological Impact State- ing present weather (e.g., RA for rain, TS for thun- ments, and Center Weather Advisories. derstorm, FG for fog, and SQ for squalls); 3) indi- The changes to these products are not as great but vidual elements shall not be reported if they are miss- do involve 1) the use of new METAR weather cod- ing; 4) METAR requires the use of four-letter Inter- ing conventions (e.g., "-TSRA" rather than "TRW-" national Civil Aviation Organization (ICAO) station to forecast thunderstorms with light rain), 2) the use identifier s (e.g., KBOS-Boston, Massachusetts; of four-letter ICAO identifiers for airports used in the PAFA-Fairbanks, Alaska; and PHTO-Hilo, Hawaii); main portion of the forecast, and 3) the use of stan- 5) METAR has no explicit ceiling designator: the first dardized ICAO and FAA contractions. broken or overcast layer aloft is inferred to be the For more information on this effort, the NWS has ceiling; 6) the reporting and evaluating units for sky established a home page on the Internet, the URL cover will be in eighths or oktas rather than tenths; address is http://www.nws.noaa.gov/oso/osol/osol2/ and 7) sea level pressure in hectopascals will move metar.htm. Any questions regarding this implemen- from the body of the report to the remarks section. For tation can be addressed to Howard Diamond, the NWS mor e detailed information, please refer to the METAR/TAF implementation manager, via e-mail at: FMH-1 standard. hdiamond@smtpgate.ssmc.noaa.gov. A sample observation in the SAO code would ap- Meteorologica l Programs at Park s and Frost pear as follows: Campuse s o f Sain t Louis Universit y Merge IAD SA 1055 11 SCT E15 OVC 1/2S-F 045/33/ Parks College of Saint Louis University is moving 29/2119G27/945/R04VR30 PK WND 1929/16 its science, mathematics, engineering, and aviation Programs into new facilities on the main campus of The same observation in the 1996 U.S. METAR Saint Louis University in the late summer 1997. At code would appear as follows: that time, the meteorology degree programs from Parks and Frost Campuses will be merged. The new METAR KIAD 081055Z COR 1 21019G27KT 1/ program will be administratively in the College of Arts 2SM R04R/3000FT -SN FG SCT011 OVC015 01/ and Sciences and located in the Department of Earth M0 2 A2945 RMK PK WND 19029/16 SLP045 and Atmospheric Sciences. T00081016 Faculty and administrators from both Parks College and the Department of Earth and Atmospheric Sci- The changes to the TAFs are significantly differ- ences have held joint meetings for many months to ent from the current FT format. However, the NWS ensure a smooth transition into a new meteorology currently issues TAFs for 102 airports, and there is curriculum for students from both campuses. The new much more user familiarity with them than with the curriculum will be in full compliance with recommen- hourly METAR reports. While not as well advertised dations from the AMS and the National Weather Ser- as the changes to hourly surface observations and vice outlined in the Bulletin, April 1995. • aerodrome forecasts, there are several other associated aviation weather products that are also affected by this implementation. They are Area Forecasts (FAs), Sig- nificant Meteorological Information (SIGMETs), Airmen's Meteorological Information (AIRMETs), Pilot Reports (PIREPS), Transcribed Weather Route 'This field is new and indicates one of two things. If it has AUTO, this indicates that the data is from an automated station with no human signed on; if it is 856 JonM. Nese 1996 blank it can indicate either a manual station or an au- 857 PeteW. Delkus 1996 tomated station with an observer signed on. COR in- dicates a corrected observation. 102 2 Vol. 77, No. 5, Ma y 1 99 6 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bulletin of the American Meteorological Society American Meteorological Society

Television Seals of Approval

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Abstract

has been changed; 2) changes in the codes for report- Forecasts (TWEBs), Meteorological Impact State- ing present weather (e.g., RA for rain, TS for thun- ments, and Center Weather Advisories. derstorm, FG for fog, and SQ for squalls); 3) indi- The changes to these products are not as great but vidual elements shall not be reported if they are miss- do involve 1) the use of new METAR weather cod- ing; 4) METAR requires the use of four-letter Inter- ing conventions (e.g., "-TSRA" rather than "TRW-" national Civil Aviation Organization (ICAO) station to forecast thunderstorms with light rain), 2) the use identifier s (e.g., KBOS-Boston, Massachusetts; of four-letter ICAO identifiers for airports used in the PAFA-Fairbanks, Alaska; and PHTO-Hilo, Hawaii); main portion of the forecast, and 3) the use of stan- 5) METAR has no explicit ceiling designator: the first dardized ICAO and FAA contractions. broken or overcast layer aloft is inferred to be the For more information on this effort, the NWS has ceiling; 6) the reporting and evaluating units for sky established a home page on the Internet, the URL cover will be in eighths or oktas rather than tenths; address is http://www.nws.noaa.gov/oso/osol/osol2/ and 7) sea level pressure in hectopascals will move metar.htm. Any questions regarding this implemen- from the body of the report to the remarks section. For tation can be addressed to Howard Diamond, the NWS mor e detailed information, please refer to the METAR/TAF implementation manager, via e-mail at: FMH-1 standard. hdiamond@smtpgate.ssmc.noaa.gov. A sample observation in the SAO code would ap- Meteorologica l Programs at Park s and Frost pear as follows: Campuse s o f Sain t Louis Universit y Merge IAD SA 1055 11 SCT E15 OVC 1/2S-F 045/33/ Parks College of Saint Louis University is moving 29/2119G27/945/R04VR30 PK WND 1929/16 its science, mathematics, engineering, and aviation Programs into new facilities on the main campus of The same observation in the 1996 U.S. METAR Saint Louis University in the late summer 1997. At code would appear as follows: that time, the meteorology degree programs from Parks and Frost Campuses will be merged. The new METAR KIAD 081055Z COR 1 21019G27KT 1/ program will be administratively in the College of Arts 2SM R04R/3000FT -SN FG SCT011 OVC015 01/ and Sciences and located in the Department of Earth M0 2 A2945 RMK PK WND 19029/16 SLP045 and Atmospheric Sciences. T00081016 Faculty and administrators from both Parks College and the Department of Earth and Atmospheric Sci- The changes to the TAFs are significantly differ- ences have held joint meetings for many months to ent from the current FT format. However, the NWS ensure a smooth transition into a new meteorology currently issues TAFs for 102 airports, and there is curriculum for students from both campuses. The new much more user familiarity with them than with the curriculum will be in full compliance with recommen- hourly METAR reports. While not as well advertised dations from the AMS and the National Weather Ser- as the changes to hourly surface observations and vice outlined in the Bulletin, April 1995. • aerodrome forecasts, there are several other associated aviation weather products that are also affected by this implementation. They are Area Forecasts (FAs), Sig- nificant Meteorological Information (SIGMETs), Airmen's Meteorological Information (AIRMETs), Pilot Reports (PIREPS), Transcribed Weather Route 'This field is new and indicates one of two things. If it has AUTO, this indicates that the data is from an automated station with no human signed on; if it is 856 JonM. Nese 1996 blank it can indicate either a manual station or an au- 857 PeteW. Delkus 1996 tomated station with an observer signed on. COR in- dicates a corrected observation. 102 2 Vol. 77, No. 5, Ma y 1 99 6

Journal

Bulletin of the American Meteorological SocietyAmerican Meteorological Society

Published: May 1, 1996

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