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| #630642 (Received by flhurricane at: 4:44 AM 09.Sep.2013) TCPAT4 BULLETIN TROPICAL STORM HUMBERTO ADVISORY NUMBER 3 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092013 500 AM AST MON SEP 09 2013 ...DEPRESSION STRENGTHENS INTO TROPICAL STORM HUMBERTO SOUTH OF THE CAPE VERDE ISLANDS... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...13.4N 22.8W ABOUT 145 MI...230 KM SE OF THE SOUTHERNMOST CAPE VERDE ISLANDS MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 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 SOUTHERN CAPE VERDE ISLANDS OF MAIO...SANTIAGO...FOGO...AND BRAVA A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE NEXT 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 500 AM AST...0900 UTC...THE CENTER OF TROPICAL STORM HUMBERTO WAS LOCATED NEAR LATITUDE 13.4 NORTH...LONGITUDE 22.8 WEST. HUMBERTO IS MOVING TOWARD THE WEST NEAR 12 MPH...19 KM/H...AND THIS GENERAL MOTION SHOULD CONTINUE TODAY. A TURN TOWARD THE WEST-NORTHWEST WITH A DECREASE IN FORWARD SPEED IS EXPECTED BY TUESDAY. ON THE FORECAST TRACK...THE CENTER OF HUMBERTO WILL PASS SOUTH OF THE SOUTHERN CAPE VERDE ISLANDS THIS AFTERNOON AND TONIGHT...AND PASS WEST OF THESE ISLANDS ON TUESDAY. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 40 MPH...65 KM/H... WITH HIGHER GUSTS. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND HUMBERTO COULD BECOME A HURRICANE ON WEDNESDAY. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 60 MILES...95 KM... MAINLY TO THE WEST AND NORTH OF THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1005 MB...29.68 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO REACH THE ISLANDS OF MAIO AND PRAIA THIS MORNING...AND SPREAD ACROSS THE REMAINDER OF THE SOUTHERN CAPE VERDE ISLANDS BY THIS AFTERNOON. STRONGER WINDS ARE POSSIBLE IN AREAS OF HIGHER TERRAIN ON THE ISLANDS. RAINFALL...THE DEPRESSION IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 3 TO 6 INCHES ACROSS THE SOUTHERN CAPE VERDE ISLANDS...WITH ISOLATED MAXIMUM AMOUNTS OF 8 INCHES POSSIBLE... ESPECIALLY IN AREAS OF MOUNTAINOUS TERRAIN. THESE RAINS COULD PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...800 AM AST. NEXT COMPLETE ADVISORY...1100 AM AST. $$ FORECASTER STEWART/KIMBERLAIN |
