000 WTNT34 KNHC 261451 TCPAT4 BULLETIN TROPICAL STORM DEBBY ADVISORY NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL AL042012 1100 AM EDT TUE JUN 26 2012 ...DEBBY SLOWLY WEAKENING BUT FLOODING THREAT CONTINUES ACROSS FLORIDA AND SOUTHERN GEORGIA... SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...28.9N 84.2W ABOUT 70 MI...110 KM W OF CEDAR KEY FLORIDA MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...E OR 90 DEGREES AT 3 MPH...6 KM/H MINIMUM CENTRAL PRESSURE...993 MB...29.32 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 FLORIDA GULF COAST FROM MEXICO BEACH TO ENGLEWOOD FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 AM EDT...1500 UTC...THE CENTER OF TROPICAL STORM DEBBY WAS LOCATED NEAR LATITUDE 28.9 NORTH...LONGITUDE 84.2 WEST. DEBBY IS MOVING TOWARD THE EAST NEAR 3 MPH...6 KM/H. AN EASTWARD OR EAST- NORTHEASTWARD MOTION WITH SOME INCREASE IN FORWARD SPEED IS EXPECTED DURING THE NEXT COUPLE OF DAYS...AND THE CENTER OF DEBBY SHOULD BE MOVING ACROSS NORTH-CENTRAL FLORIDA TOMORROW. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 40 MPH...65 KM/H...WITH HIGHER GUSTS. DEBBY IS EXPECTED TO WEAKEN TO A TROPICAL DEPRESSION OVER THE NEXT DAY OR TWO. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 205 MILES...335 KM...MAINLY TO THE SOUTHEAST OF THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 993 MB...29.32 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS WILL CONTINUE OVER PORTIONS OF THE FLORIDA GULF COAST TODAY. STORM SURGE...EVEN THOUGH DEBBY CONTINUES TO SLOWLY WEAKEN...COASTAL FLOODING WILL CONTINUE DURING THE NEXT DAY OR TWO DUE TO PERSISTENT ONSHORE WINDS. THE COMBINATION OF A STORM SURGE AND THE TIDE WILL CAUSE NORMALLY DRY AREAS NEAR THE COAST TO BE FLOODED BY RISING WATERS DURING THE NEXT HIGH TIDE LATER TODAY. THE WATER COULD REACH THE FOLLOWING DEPTHS ABOVE GROUND... APALACHEE BAY AND THE NATURE COAST...2 TO 4 FT SOUTH OF THE NATURE COAST INCLUDING TAMPA 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 ADDITIONAL RAIN ACCUMULATIONS OF 4 TO 8 INCHES OVER NORTHERN FLORIDA AND EXTREME SOUTHEASTERN GEORGIA DURING THE NEXT COUPLE OF DAYS. ISOLATED STORM TOTAL AMOUNTS OF 25 INCHES ARE POSSIBLE IN NORTHERN FLORIDA. TORNADOES...ISOLATED TORNADOES ARE POSSIBLE ACROSS THE FLORIDA PENINSULA TODAY. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...200 PM EDT. NEXT COMPLETE ADVISORY...500 PM EDT. $$ FORECASTER KIMBERLAIN/FRANKLIN