790
NOUS1 KRWA 121606
WMSC NOUS1
CIRNOT 006/03
ATTN WMSCR USERS
THE FLWG WAS RECD FROM THE NWS AVIATION WEATHER CENTER (AWC):
"QTRLY BACKUP OF AWC CONVECTIVE SIGMETS BY THE AIR
FORCE WX AGENCY WILL BE FM 21Z MAR 12 TO 05Z MAR 13.
CONVECTIVE SIGMETS WIBIS IN 4 HOUR BACKUP FORMAT.
AFWA COORDINATION NUMBER FOR TEST IS 402 294 1385."
PER THE AWC, THIS MEANS THAT DURING THE BACKUP PERIOD,
CONVECTIVE SIGMETS (WST) WILL NOT BE ISSUED. NON-
CONVECTIVE SIGMETS (WS) WILL BE ISSUED EVERY FOUR HOURS
AS CONDITIONS WARRANT.
ATL WMSCR CKT CONTROL 121601Z
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