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Appendix / RAW DATA SAMPLES
hours into the future. Nevertheless, it makes excellent forecasting charts
in Digital Atmosphere.
For Hours
ID Use Z From Now 3000 6000 9000 12000 18000 24000
2XG 09-18 00-09 3613 2911+06 2520+02 2430-03 2342-15
2462-26
Rawinsonde data
Also called TTAA data. This is the backbone of upper-air observation
reports, sent twice daily from hundreds of stations worldwide (several
dozen in the United States alone). It is a highly numerical, coded set of
data that is used extensively in meteorological operations and is used as
input into the numerical forecast models. Here’s an example of what it
looks like:
72558 TTAA 69121 72558 99973 00821 30002 00130 /////
///// 92762 01611 03014 85444 01850 00521 70993 04159
30025 50559 etc..
Weather watches
Also called SELS watches, watch boxes, or even WWUS9 KMKC. This is
an English bulletin produced by forecasters at the Storm Prediction Center (formerly NSSFC, the National Severe Storms Forecast Center).
WWUS9 KMKC 141239
SEL7
MKC WW 141239
KSZ000-142000BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 77
NATIONAL WEATHER SERVICE KANSAS CITY MO
639 AM CST THU MAR 14 1996
.A..THE STORM PREDICTION CENTER HAS ISSUED A SEVERE
THUNDERSTORM WATCH FOR
PARTS OF EAST-CENTRAL AND SOUTHEASTERN KANSAS
EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON UNTIL 200
PM CST.
LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING
THUNDERSTORM WINDS
ARE POSSIBLE IN THESE AREAS.