000 WTNT33 KNHC 151745 TCPAT3 BULLETIN TROPICAL STORM KARL INTERMEDIATE ADVISORY NUMBER 4A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL132010 100 PM CDT WED SEP 15 2010 ...KARL SLOWLY WEAKENING OVER THE SOUTHERN YUCATAN PENINSULA... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...18.8N 88.7W ABOUT 35 MI...55 KM NW OF CHETUMAL MEXICO ABOUT 140 MI...225 KM ESE OF CAMPECHE MEXICO MAXIMUM SUSTAINED WINDS...55 MPH...90 KM/HR PRESENT MOVEMENT...W OR 280 DEGREES AT 14 MPH...22 KM/HR MINIMUM CENTRAL PRESSURE...994 MB...29.35 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 EAST COAST OF THE YUCATAN PENINSULA FROM CHETUMAL AT THE MEXICO/BELIZE BORDER NORTHWARD TO PUNTA ALLEN A TROPICAL STORM WATCH IS IN EFFECT FOR... * THE COAST OF NORTHERN BELIZE FROM BELIZE CITY TO THE MEXICO/BELIZE BORDER * THE WEST COAST OF THE YUCATAN PENINSULA FROM CIUDAD DEL CARMEN NORTHWARD TO CELESTUN A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN 24 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 100 PM CDT...1800 UTC...THE CENTER OF TROPICAL STORM KARL WAS LOCATED NEAR LATITUDE 18.8 NORTH...LONGITUDE 88.7 WEST. KARL IS MOVING TOWARD THE WEST NEAR 14 MPH...22 KM/HR. A TURN TOWARD THE WEST-NORTHWEST AT A SLOWER FORWARD SPEED IS EXPECTED TONIGHT OR THURSDAY. ON THE FORECAST TRACK...THE CENTER OF KARL WILL CROSS THE SOUTHERN AND CENTRAL YUCATAN PENINSULA THROUGH TONIGHT...AND THEN EMERGE INTO THE BAY OF CAMPECHE THURSDAY MORNING. MAXIMUM SUSTAINED WINDS ARE NOW NEAR 55 MPH...90 KM/HR...WITH HIGHER GUSTS. KARL SHOULD CONTINUE TO WEAKEN TODAY AS THE CENTER CROSSES THE YUCATAN PENINSULA. RE-INTENSIFICATION IS EXPECTED ON THURSDAY OR FRIDAY AFTER THE CENTER EMERGES INTO THE BAY OF CAMPECHE. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 50 MILES...85 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 994 MB...29.35 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE OCCURRING OVER PORTIONS OF THE WARNING AREA AND WILL CONTINUE SPREADING INLAND ACROSS THE YUCATAN PENINSULA TODAY. STORM SURGE...STORM SURGE FLOODING...AND THE ACCOMPANYING DAMAGING WAVES...ALONG THE EAST COAST OF THE YUCATAN PENINSULA SHOULD SUBSIDE TODAY AS THE CENTER OF KARL MOVES FARTHER INLAND. RAINFALL...KARL IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 3 TO 5 INCHES OVER THE YUCATAN PENINSULA...BELIZE...AND NORTHERN GUATEMALA...WITH ISOLATED MAXIMUM AMOUNTS OF 8 INCHES. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...400 PM CDT. $$ FORECASTER BEVEN