The ninth tropical depression of the Atlantic hurricane season has formed in the Eastern Atlantic. It will bring squally weather to the Cape Verde islands as it moves west-northwest early in the week. It is forecast to move northwest through midweek then west-northwest again by late in the week. Gradually strengthening is likely in the next couple of days and it could be come the long-awaited first hurricane of the season. After passing the Cape Verde islands it will be no threat to land in the Eastern Atlantic Ocean.
Computer model forecasts for T.D. 9
TROPICAL DEPRESSION NINE INTERMEDIATE ADVISORY NUMBER 1A NWS NATIONAL HURRICANE CENTER MIAMI FL AL092013 800 PM AST SUN SEP 08 2013 ...RAIN BANDS APPROACHING THE CAPE VERDE ISLANDS... SUMMARY OF 800 PM AST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...13.1N 21.4W ABOUT 190 MI...305 KM SE OF PRAIA CAPE VERDE ISLANDS MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 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 24 TO 36 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 AST...0000 UTC...THE CENTER OF TROPICAL DEPRESSION NINE WAS LOCATED NEAR LATITUDE 13.1 NORTH...LONGITUDE 21.4 WEST. THE DEPRESSION IS MOVING TOWARD THE WEST NEAR 12 MPH...19 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH LATE MONDAY. A TURN TOWARD THE WEST-NORTHWEST WITH A DECREASE IN FORWARD SPEED IS FORECAST BY TUESDAY. ON THE FORECAST TRACK...THE CENTER OF THE DEPRESSION SHOULD REMAIN SOUTH OF THE CAPE VERDE ISLANDS. MAXIMUM SUSTAINED WINDS ARE NEAR 30 MPH...45 KM/H...WITH HIGHER GUSTS. STRENGTHENING IS FORECAST...AND THE DEPRESSION COULD BECOME A TROPICAL STORM ON MONDAY. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1007 MB...29.74 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO REACH THE SOUTHERN CAPE VERDE ISLANDS ON MONDAY. RAINFALL...THE DEPRESSION IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 4 TO 8 INCHES ACROSS THE CAPE VERDE ISLANDS...WITH ISOLATED MAXIMUM AMOUNTS OF 12 INCHES POSSIBLE...ESPECIALLY IN AREAS OF MOUNTAINOUS TERRAIN. THESE RAINS COULD PRODUCE LIFE- THREATENING FLASH FLOODS AND MUD SLIDES. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 PM AST.
