000 WTNT31 KNHC 261749 TCPAT1 BULLETIN TROPICAL STORM ALEX INTERMEDIATE ADVISORY NUMBER 4A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL012010 100 PM CDT SAT JUN 26 2010 ...LARGE TROPICAL STORM ALEX HEADING A LITTLE FASTER TOWARD BELIZE AND THE YUCATAN PENINSULA...AIR FORCE PLANE INBOUND... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...17.5N 87.2W ABOUT 75 MI...120 KM E OF BELIZE CITY ABOUT 100 MI...160 KM SE OF CHETUMAL MEXICO MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/HR PRESENT MOVEMENT...WNW OR 290 DEGREES AT 9 MPH...15 KM/HR MINIMUM CENTRAL PRESSURE...1003 MB...29.62 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 COAST OF BELIZE AND THE EAST COAST OF THE YUCATAN PENINSULA OF MEXICO FROM CHETUMAL TO CANCUN * THE ISLANDS OF ROATAN...GUANAJA...AND UTILA IN HONDURAS A TROPICAL STORM WATCH IS IN EFFECT FOR... * THE COAST OF HONDURAS FROM LIMON WESTWARD TO THE BORDER OF HONDURAS AND GUATEMALA 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 ALEX WAS ESTIMATED NEAR LATITUDE 17.5 NORTH...LONGITUDE 87.2 WEST. ALEX HAS INCREASED ITS FORWARD SPEED AND IS NOW MOVING TOWARD THE WEST-NORTHWEST NEAR 13 MPH...21 KM/HR. HOWEVER...ALEX SHOULD DECREASE IT FORWARD SPEED LATER TODAY. ON THE FORECAST TRACK...THE CENTER OF ALEX WILL REACH THE COAST OF BELIZE AND THE YUCATAN PENINSULA LATER TODAY AND MOVE ACROSS THE PENINSULA ON SUNDAY. ALEX IS EXPECTED TO BE IN THE BAY OF CAMPECHE BY SUNDAY NIGHT OR MONDAY MORNING. MAXIMUM SUSTAINED WINDS REMAIN NEAR 45 MPH...75 KM/HR...WITH HIGHER GUSTS. SOME SLIGHT STRENGTHENING IS POSSIBLE BEFORE ALEX MOVES INLAND LATER TODAY FOLLOWED BY WEAKENING AS THE CYCLONE MOVES OVER LAND. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES...185 KM PRIMARILY TO THE NORTH AND EAST OF THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1003 MB...29.62 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...ALEX IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 4 TO 8 INCHES OVER THE YUCATAN PENINSULA...EASTERN GUATEMALA...MUCH OF HONDURAS AND BELIZE THROUGH SUNDAY EVENING. ISOLATED MAXIMUM AMOUNTS OF 15 INCHES ARE POSSIBLE OVER MOUNTAINOUS AREAS. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES. WIND...TROPICAL STORM FORCE WINDS ARE PROBABLY OCCURRING IN THE BAY ISLANDS OF HONDURAS...AND THESE WINDS SHOULD REACH THE COAST OF BELIZE AND THE YUCATAN PENINSULA WITHIN THE WARNING AREA LATER TODAY. HEAVY SQUALLS ARE ALREADY APPROACHING BELIZE AND EASTERN YUCATAN AS REPORTED BY AN AUTOMATIC SURFACE STATION FROM THE MEXICAN NAVY. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...400 PM CDT. $$ FORECASTER AVILA