| BULLETIN TROPICAL STORM DEBBY ADVISORY NUMBER 7 NWS NATIONAL HURRICANE CENTER MIAMI FL AL042012 1000 PM CDT SUN JUN 24 2012 ...INTENSE SQUALLS MOVING ACROSS THE FLORIDA PENINSULA... SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...28.3N 85.9W ABOUT 110 MI...180 KM SSW OF APALACHICOLA FLORIDA ABOUT 200 MI...325 KM ESE OF THE MOUTH OF THE MISSISSIPPI RIVER MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...STATIONARY MINIMUM CENTRAL PRESSURE...991 MB...29.26 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * THE MISSISSIPPI-ALABAMA BORDER EASTWARD TO THE SUWANNEE RIVER FLORIDA A TROPICAL STORM WATCH IS IN EFFECT FOR... * SOUTH OF THE SUWANNEE RIVER TO ENGLEWOOD FLORIDA A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE LATER TODAY. 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. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1000 PM CDT...0300 UTC...THE CENTER OF TROPICAL STORM DEBBY WAS LOCATED NEAR LATITUDE 28.3 NORTH...LONGITUDE 85.9 WEST. DEBBY HAS BEEN NEARLY STATIONARY DURING THE PAST SEVERAL HOURS. LITTLE MOVEMENT IS EXPECTED DURING THE NEXT COUPLE OF DAYS...BUT THIS FORECAST REMAINS UNCERTAIN DUE TO WEAK STEERING CURRENTS. MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH...95 KM/H...WITH HIGHER GUSTS. SOME GRADUAL STRENGTHENING IS POSSIBLE DURING THE NEXT 48 HOURS. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 200 MILES... 325 KM...MAINLY NORTH AND EAST OF THE CENTER. DURING THE PAST HOUR...A SUSTAINED WIND OF 43 MPH...69 KM/H...WITH A GUST TO 67 MPH...107 KM/H...WAS REPORTED AT VENICE FLORIDA. THE MINIMUM CENTRAL PRESSURE RECENTLY REPORTED BY AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT WAS 991 MB...29.26 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS WILL CONTINUE OVER PORTIONS OF THE NORTHEAST GULF COAST THROUGH MONDAY. STORM SURGE...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 TIMES OF HIGH TIDE OVER THE NEXT FEW DAYS... APALACHEE BAY TO WACCASASSA BAY...4 TO 6 FT FLORIDA WEST COAST SOUTH OF WACCASASSA BAY...2 TO 4 FT COASTAL ALABAMA EASTWARD TO APALACHEE BAY...2 TO 4 FT SOUTHEASTERN LOUISIANA TO COASTAL MISSISSIPPI...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 TOTAL RAIN ACCUMULATIONS OF 10 TO 15 INCHES OVER THE FLORIDA PANHANDLE AND NORTHERN FLORIDA... WITH ISOLATED MAXIMUM AMOUNTS OF 25 INCHES POSSIBLE. SURROUNDING THIS AREA...TOTAL RAIN ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED OVER CENTRAL FLORIDA AND SOUTHEAST GEORGIA...WITH ISOLATED MAXIMUM AMOUNTS OF 15 INCHES POSSIBLE. GIVEN THE RECENT HEAVY RAINFALL AND WET SOIL CONDITIONS...THESE ADDITIONAL AMOUNTS WILL EXACERBATE THE FLASH FLOOD THREAT ACROSS PORTIONS OF NORTHERN FLORIDA AND SOUTHERN ALABAMA. TOTAL RAIN ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED OVER COASTAL ALABAMA...MISSISSIPPI...LOUISIANA AND SOUTH FLORIDA...WITH ISOLATED MAXIMUM AMOUNTS OF 6 INCHES POSSIBLE. TORNADOES...A FEW TORNADOES ARE POSSIBLE TONIGHT AND MONDAY ACROSS THE EASTERN FLORIDA PANHANDLE...AND WESTERN AND CENTRAL PORTIONS OF THE FLORIDA PENINSULA. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...100 AM CDT. NEXT COMPLETE ADVISORY...400 AM CDT. $$ FORECASTER STEWART |