000 WTNT35 KNHC 242336 TCPAT5 BULLETIN TROPICAL STORM MATTHEW INTERMEDIATE ADVISORY NUMBER 6A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL152010 800 PM EDT FRI SEP 24 2010 ...MATTHEW CONTINUES MOVING INLAND OVER HONDURAS...TORRENTIAL RAINS WILL BE THE BIGGEST THREAT FOR THE NEXT FEW DAYS... SUMMARY OF 800 PM EDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...14.9N 84.4W ABOUT 80 MI...130 KM W OF CABO GRACIAS A DIOS ON NIC/HON BORDER MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/HR PRESENT MOVEMENT...W OR 280 DEGREES AT 15 MPH...24 KM/HR MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * PUERTO CABEZAS NICARAGUA NORTHWARD TO THE BORDER WITH HONDURAS...INCLUDING THE OFFSHORE ISLANDS * THE COAST OF HONDURAS...INCLUDING THE OFFSHORE ISLANDS A TROPICAL STORM WATCH IS IN EFFECT FOR... * THE COAST OF BELIZE A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 12 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN 12 TO 24 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 PM EDT...0000 UTC...THE CENTER OF TROPICAL STORM MATTHEW WAS LOCATED INLAND OVER EASTERN HONDURAS NEAR LATITUDE 14.9 NORTH... LONGITUDE 84.4 WEST. MATTHEW IS MOVING TOWARD THE WEST NEAR 15 MPH...24 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT DAY OR TWO. ON THE FORECAST TRACK...MATTHEW WILL CONTINUE TO MOVE ACROSS HONDURAS TONIGHT AND SATURDAY AND MOVE INTO BELIZE AND GUATEMALA SATURDAY NIGHT AND SUNDAY. SURFACE OBSERVATIONS INDICATE THAT MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/HR...WITH HIGHER GUSTS. WEAKENING IS FORECAST DURING THE NEXT 48 HOURS AND MATTHEW IS EXPECTED TO BECOME A TROPICAL DEPRESSION ON SATURDAY AND WEAKEN TO A BROAD AREA OF LOW PRESSURE BY SUNDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM TO THE NORTH OF THE CENTER. PUERTO LEMPIRA IN EASTERN HONDURAS RECENTLY REPORTED A 10-MINUTE WIND OF 46 MPH...74 KM/HR. ESTIMATED MINIMUM CENTRAL PRESSURE IS 998 MB...29.47 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM FORCE WINDS WILL BE SPREADING WESTWARD WITHIN THE WARNING AREA AND THE GULF OF HONDURAS DURING THE NEXT 12 TO 24 HOURS. RAINFALL...MATTHEW IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 6 TO 10 INCHES OVER PORTIONS OF NICARAGUA AND HONDURAS...WITH ISOLATED MAXIMUM AMOUNTS OF 15 INCHES POSSIBLE OVER THE NEXT COUPLE OF DAYS. THESE RAINS COULD PRODUCE LIFE THREATENING FLASH FLOODS AND MUD SLIDES. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 PM EDT. $$ FORECASTER BRENNAN