721 NOUS74 KEHU 301447 ADASRH ALERT ADMINISTRATIVE MESSAGE NATIONAL WEATHER SERVICE SOUTHERN REGION HEADQUARTERS 1000 AM CDT WED SEP 30 2015 TO: WFOS LIX, OHX, BMX, JAN, FFC, TAE, JAX, MFL, KEY AND TBW FROM: SR ROC SUBJECT: SPECIAL UPPER AIR LAUNCHES DUE TO POSSIBLE IMPACTS FROM JOAQUIN TO THE EASTERN SEABOARD...NHC HAS ASKED OFFICES IN THE NWS SOUTHERN REGION...EAST OF THE MS RIVER (INCLUDING SLIDELL, LA) TO LAUNCH SPECIAL SIX HOURLY UPPER AIR SOUNDINGS STARTING AT 18Z TODAY. NHC REQUESTS THAT THE LAUNCHES CONTINUE THROUGH THE END OF THE WEEK AND POSSIBLY INTO THE WEEKEND...DEPENDING UPON THE EXACT TRACK AND IMPACTS FROM JOAQUIN. PLEASE LET US KNOW IF YOU HAVE ANY QUESTIONS. $$ VANSPEYBROECK/BROST