000 WTNT33 KNHC 230558 TCPAT3 BULLETIN TROPICAL STORM BONNIE INTERMEDIATE ADVISORY NUMBER 3A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL032010 200 AM EDT FRI JUL 23 2010 ...BONNIE IMPACTING PORTIONS OF THE NORTHWESTERN BAHAMAS... SUMMARY OF 200 AM EDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...23.8N 77.5W ABOUT 85 MI...135 KM S OF NASSAU ABOUT 220 MI...350 KM SE OF MIAMI FLORIDA MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/HR PRESENT MOVEMENT...NW OR 305 DEGREES AT 16 MPH...26 KM/HR MINIMUM CENTRAL PRESSURE...1007 MB...29.74 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 CENTRAL AND NORTHWESTERN BAHAMAS * THE FLORIDA EAST COAST FROM DEERFIELD BEACH SOUTHWARD INCLUDING THE ENTIRE FLORIDA KEYS AND FLORIDA BAY...AND ALONG THE WEST COAST OF FLORIDA NORTHWARD TO ENGLEWOOD A TROPICAL STORM WATCH IS IN EFFECT FOR... * THE EAST COAST OF FLORIDA NORTH OF DEERFIELD BEACH TO JUPITER INLET INCLUDING LAKE OKEECHOBEE A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. INTEREST ALONG THE NORTHERN GULF COAST SHOULD MONITOR THE PROGRESS OF BONNIE. WATCHES MAY BE REQUIRED FOR PORTIONS OF THE NORTHERN GULF COAST 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 UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 200 AM EDT...0600 UTC...THE CENTER OF TROPICAL STORM BONNIE WAS LOCATED NEAR LATITUDE 23.8 NORTH...LONGITUDE 77.5 WEST. BONNIE IS MOVING TOWARD THE NORTHWEST NEAR 16 MPH...26 KM/HR. A TURN TOWARD THE WEST-NORTHWEST IS EXPECTED LATER TODAY. ON THE FORECAST TRACK...THE CENTER OF BONNIE IS EXPECTED TO PASS NEAR OR OVER THE FLORIDA KEYS AND THE SOUTHERN FLORIDA PENINSULA LATER TODAY...AND MOVE INTO THE EASTERN GULF OF MEXICO TONIGHT AND SATURDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 40 MPH...65 KM/HR...WITH HIGHER GUSTS. SLOW STRENGTHENING IS POSSIBLE DURING THE NEXT 48 HOURS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM... MAINLY TO THE NORTHEAST OF THE CENTER. AN AUTOMATED OBSERVING SITE ON STANIEL CAY IN THE BAHAMAS RECENTLY REPORTED SUSTAINED TROPICAL STORM FORCE WINDS. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1007 MB...29.74 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS WILL CONTINUE TO SPREAD OVER THE NORTHWESTERN BAHAMAS THIS MORNING. WEATHER CONDITIONS ARE BEGINNING TO DETERIORATE ON THE FLORIDA COAST AND FLORIDA KEYS AND TROPICAL STORM FORCE WINDS ARE EXPECTED TO SPREAD INTO THE WARNING AREA LATER TODAY. RAINFALL...BONNIE IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 2 TO 4 INCHES OVER SOUTH FLORIDA...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 6 INCHES. RAINFALL AMOUNTS OF 3 TO 5 INCHES ARE EXPECTED OVER THE CENTRAL AND NORTHWEST BAHAMAS...WITH POSSIBLE ISOLATED AMOUNTS OF 5 TO 7 INCHES. STORM SURGE...STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 1 TO 2 FEET ABOVE GROUND LEVEL OVER PORTIONS OF THE BAHAMAS...THE FLORIDA KEYS...AND THE SOUTHERN FLORIDA PENINSULA. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...500 AM EDT. $$ FORECASTER BROWN/LANDSEA