NOUS74 KEHU 191654 ADASRH ALERT ADMINISTRATIVE MESSAGE NATIONAL WEATHER SERVICE SOUTHERN REGION HEADQUARTERS 1255 PM EDT THU MAR 19 2026 TO: ALL SOUTHERN REGION OFFICES FROM: CWSU ZJX SUBJECT: AWC BACKUP OF CWSU ZJX AWC BACKUP OF CWSU ZJX WILL BEGIN AT 17Z AND CONTINUE THROUGH 20TH MARCH 0030Z. $$