620 NOUS74 KEHU 301402 ADASRH ALERT ADMINISTRATIVE MESSAGE NATIONAL WEATHER SERVICE SOUTHERN REGION HEADQUARTERS 1000 AM EDT WED SEP 30 2015 TO: SRH...MFL...JAX...ZHU...ZTL...ZNY...AWC...SR-ROC FROM: CWSU ZMA CWSU MIAMI WILL BE BACKING UP CWSU JACKSONVILLE 1400Z UNTIL 1600Z TODAY. $$