Tropical Storm Humberto formed in the Eastern Atlantic Ocean early Monday morning about 100 miles south of the Cape Verde Islands off the Africa coast. The storm is in an area that is favorable for intensification, and it is expected to become a hurricane Tuesday or Wednesday. The storm will bring 40+ mph winds and 3-6 inches of rain to the Cape Verde Islands as it moves west then northwest over the next couple of days. The extended forecast keeps the storm in the Atlantic Ocean far away from land by the end of the week.
This hurricane season has been noteworthy because there has not been a hurricane among the first eight storms of the season. If Humberto becomes a hurricane before September 11, it will be the second latest date in the season that the first hurricane has formed in the Atlantic basin during the satellite era – since 1960. Hurricane Gustav was the first hurricane of the 2002 hurricane season, forming on September 11.
Computer model forecasts for Tropical Storm Humberto
TROPICAL STORM HUMBERTO INTERMEDIATE ADVISORY NUMBER 3A NWS NATIONAL HURRICANE CENTER MIAMI FL AL092013 800 AM AST MON SEP 09 2013 ...RAINBANDS FROM HUMBERTO MOVING ACROSS THE CAPE VERDE ISLANDS... SUMMARY OF 800 AM AST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...13.4N 23.3W ABOUT 105 MI...170 KM S OF PRAIA 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 FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 AM AST...1200 UTC...THE CENTER OF TROPICAL STORM HUMBERTO WAS LOCATED NEAR LATITUDE 13.4 NORTH...LONGITUDE 23.3 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 THE ISLANDS ON TUESDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 40 MPH...65 KM/H...WITH HIGHER GUSTS. 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 LIKELY AFFECTING THE ISLANDS OF MAIO AND SANTIAGO...AND ARE EXPECTED TO SPREAD ACROSS THE ISLANDS OF FOGO AND BRAVA WITHIN THE NEXT FEW HOURS. STRONGER WINDS ARE POSSIBLE IN AREAS OF HIGHER TERRAIN ON THE ISLANDS. RAINFALL...HUMBERTO 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.
