000 WTNT34 KNHC 260233 TCPAT4 BULLETIN TROPICAL STORM DEBBY ADVISORY NUMBER 11 NWS NATIONAL HURRICANE CENTER MIAMI FL AL042012 1000 PM CDT MON JUN 25 2012 ...TORRENTIAL RAINS AND FLOODING WILL CONTINUE FOR THE NEXT FEW DAYS ACROSS PORTIONS OF THE FLORIDA PANHANDLE AND NORTH FLORIDA... SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...29.2N 85.1W ABOUT 35 MI...55 KM S OF APALACHICOLA FLORIDA ABOUT 120 MI...195 KM W OF CEDAR KEY FLORIDA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...NE OR 40 DEGREES AT 2 MPH...4 KM/H MINIMUM CENTRAL PRESSURE...992 MB...29.29 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE TROPICAL STORM WARNING HAS BEEN DISCONTINUED WEST OF MEXICO BEACH FLORIDA. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * THE FLORIDA GULF COAST FROM MEXICO BEACH TO ENGLEWOOD FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1000 PM CDT...0300 UTC...THE CENTER OF TROPICAL STORM DEBBY WAS LOCATED NEAR LATITUDE 29.2 NORTH...LONGITUDE 85.1 WEST. DEBBY IS DRIFTING TOWARD THE NORTHEAST NEAR 2 MPH...4 KM/H. SLOW AND POSSIBLE ERRATIC MOTION TOWARD THE NORTHEAST OR EAST-NORTHEAST IS EXPECTED DURING THE NEXT COUPLE OF DAYS. MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH...75 KM/H...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 48 HOURS. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 240 MILES...390 KM.. MAINLY SOUTHEAST OF THE CENTER. HOWEVER...NOAA DOPPLER WEATHER RADAR DATA INDICATE WIND GUSTS TO NEAR 60 MPH...115 KM/H...ARE LIKELY OCCURRING ALONG THE COAST AND INLAND FROM APALACHICOLA NORTHEASTWARD TO SHELL POINT IN THE WESTERN BIG BEND AREA OF FLORIDA. THE ESTIMATED MINIMUM CENTRAL PRESSURE RECENTLY REPORTED BY AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT WAS 992 MB...29.29 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS WILL CONTINUE OVER PORTIONS OF THE FLORIDA GULF COAST TONIGHT AND TUESDAY. STORM SURGE...ALTHOUGH DEBBY HAS WEAKENED SOME TODAY...COASTAL FLOODING IS NOT YET DIMINISHING. THE COMBINATION OF A STORM SURGE AND THE TIDE WILL CAUSE NORMALLY DRY AREAS NEAR THE COAST TO BE FLOODED BY RISING WATERS. THE WATER COULD REACH THE FOLLOWING DEPTHS ABOVE GROUND AT THE TIME OF THE NEXT HIGH TIDE TUESDAY MORNING... APALACHEE BAY TO WACCASASSA BAY...3 TO 5 FT FLORIDA WEST COAST SOUTH OF WACCASASSA BAY...1 TO 3 FT THE DEEPEST WATER WILL OCCUR ALONG THE IMMEDIATE COAST IN AREAS OF ONSHORE FLOW. SURGE-RELATED FLOODING DEPENDS ON THE RELATIVE TIMING OF THE SURGE AND THE TIDAL CYCLE...AND CAN VARY GREATLY OVER SHORT DISTANCES. FOR INFORMATION SPECIFIC TO YOUR AREA...PLEASE SEE PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE. RAINFALL...DEBBY IS EXPECTED TO PRODUCE THE FOLLOWING ADDITIONAL RAIN ACCUMULATIONS OVER THE NEXT COUPLE OF DAYS...6 TO 12 INCHES ACROSS NORTHERN FLORIDA...4 TO 8 INCHES ACROSS CENTRAL FLORIDA AND EXTREME SOUTHEASTERN GEORGIA...AND 3 TO 5 INCHES IN SOUTH FLORIDA AND EXTREME SOUTHEASTERN SOUTH CAROLINA. ISOLATED STORM TOTAL AMOUNTS OF 25 INCHES ARE POSSIBLE IN NORTH FLORIDA. TORNADOES...ISOLATED TORNADOES WILL BE POSSIBLE TONIGHT AND TUESDAY ACROSS THE FLORIDA PENINSULA. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...100 AM CDT. NEXT COMPLETE ADVISORY...400 AM CDT. $$ FORECASTER STEWART/ROBERTS