000 WTNT33 KNHC 240846 TCPAT3 BULLETIN TROPICAL DEPRESSION BONNIE ADVISORY NUMBER 8 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL032010 400 AM CDT SAT JUL 24 2010 ...BONNIE CONTINUES WEST-NORTHWESTWARD...STILL A TROPICAL DEPRESSION... SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...27.0N 85.1W ABOUT 285 MI...455 KM ESE OF THE MOUTH OF THE MISSISSIPPI RIVER ABOUT 185 MI...300 KM S OF APALACHICOLA FLORIDA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/HR PRESENT MOVEMENT...WNW OR 295 DEGREES AT 17 MPH...28 KM/HR MINIMUM CENTRAL PRESSURE...1013 MB...29.91 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * DESTIN FLORIDA TO MORGAN CITY LOUISIANA...INCLUDING LAKE PONTCHARTRAIN 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 400 AM CDT...0900 UTC...THE CENTER OF TROPICAL DEPRESSION BONNIE WAS LOCATED NEAR LATITUDE 27.0 NORTH...LONGITUDE 85.1 WEST. THE DEPRESSION IS MOVING TOWARD THE WEST-NORTHWEST NEAR 17 MPH...28 KM/HR. A GRADUAL DECREASE IN FORWARD SPEED IS EXPECTED TODAY WITH LITTLE CHANGE IN THE DIRECTION OF MOTION. ON THIS TRACK...THE CENTER OF BONNIE IS FORECAST TO MOVE OVER THE EASTERN GULF OF MEXICO TODAY AND APPROACH THE NORTHERN GULF COAST TONIGHT. MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH...55 KM/HR...WITH HIGHER GUSTS. SLIGHT STRENGTHENING IS POSSIBLE TODAY...AND BONNIE COULD REGAIN TROPICAL STORM STRENGTH BEFORE REACHING THE NORTHERN GULF COAST. THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE HURRICANE HUNTER AIRCRAFT IS 1013 MB...29.91 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM FORCE WINDS MAINLY IN SQUALLS WILL LIKELY BEGIN ALONG PORTIONS OF THE NORTHERN GULF COAST WITHIN THE WARNING AREA LATE TODAY. RAINFALL...BONNIE IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 1 TO 2 INCHES OVER PORTIONS OF SOUTHERN LOUISIANA...SOUTHERN ALABAMA...SOUTHERN MISSISSIPPI...AND THE FAR WESTERN FLORIDA PANHANDLE...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 3 INCHES. STORM SURGE...STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 1 TO 3 FEET ABOVE GROUND LEVEL ALONG THE IMMEDIATE COAST NEAR AND TO THE RIGHT OF WHERE THE CENTER MAKES LANDFALL ON THE NORTHERN GULF COAST. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...700 AM CDT. NEXT COMPLETE ADVISORY...1000 AM CDT. $$ FORECASTER BROWN/CANGIALOSI