000 WTNT34 KNHC 250549 TCPAT4 BULLETIN HURRICANE RICHARD INTERMEDIATE ADVISORY NUMBER 17A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL192010 100 AM CDT MON OCT 25 2010 ...RICHARD WEAKENING NEAR THE BELIZE/GUATEMALA BORDER... SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...17.6N 89.3W ABOUT 75 MI...120 KM W OF BELIZE CITY ABOUT 180 MI...290 KM ESE OF CIUDAD DEL CARMEN MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/HR PRESENT MOVEMENT...WNW OR 285 DEGREES AT 9 MPH...15 KM/HR MINIMUM CENTRAL PRESSURE...987 MB...29.15 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * BELIZE A TROPICAL STORM WARNING IS IN EFFECT FOR... * EAST COAST OF YUCATAN MEXICO FROM PUNTA GRUESA TO CHETUMAL FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 100 AM CDT...0600 UTC...THE CENTER OF HURRICANE RICHARD WAS LOCATED NEAR LATITUDE 17.6 NORTH...LONGITUDE 89.3 WEST. RICHARD IS MOVING TOWARD THE WEST-NORTHWEST NEAR 9 MPH...15 KM/HR. ON THE FORECAST TRACK...THE CENTER OF RICHARD WILL MOVE ACROSS NORTHERN GUATEMALA AND SOUTHEASTERN MEXICO TODAY AND INTO THE EXTREME SOUTHERN GULF OF MEXICO TONIGHT OR EARLY TUESDAY. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 75 MPH...120 KM/HR...WITH HIGHER GUSTS. RICHARD IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. STEADY WEAKENING IS EXPECTED AS RICHARD MOVES FURTHER INLAND. HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 15 MILES...30 KM...FROM THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 90 MILES...145 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 987 MB...29.15 INCHES. HAZARDS AFFECTING LAND ---------------------- STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS IN AREAS OF ONSHORE FLOW ALONG THE COAST OF BELIZE. HOWEVER...WATER LEVELS SHOULD SUBSIDE LATER THIS MORNING. RAINFALL...RICHARD IS EXPECTED TO PRODUCE RAINFALL ACCUMULATIONS OF 3 TO 6 INCHES ACROSS BELIZE...NORTHERN GUATEMALA...AND THE MEXICAN STATES OF QUINTANA ROO AND CAMPECHE...WITH MAXIMUM STORM TOTAL AMOUNTS OF AROUND 10 INCHES. THESE RAINS COULD PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES...ESPECIALLY IN MOUNTAINOUS TERRAIN. WIND...HURRICANE CONDITIONS WILL DIMINISH THIS MORNING OVER PORTIONS OF CENTRAL AND NORTHERN BELIZE...AND NORTHEASTERN GUATEMALA. TROPICAL STORM CONDITIONS WILL SPREAD INLAND OVER THE SOUTHERN PORTIONS OF THE MEXICAN STATES OF QUINTANA ROO AND CAMPECHE...AND THE REMAINDER OF NORTHERN GUATEMALA THROUGH THIS MORNING. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...400 AM CDT. $$ FORECASTER CANGIALOSI/STEWART