21 August 2006

tropical depression four

**updated** 9:53 pm cdt tuesday 22 august 2006

tropical depression four becomes tropical storm debby

...TROPICAL DEPRESSION STRENGTHENS INTO THE FOURTH TROPICAL STORM OF THE SEASON OVER THE FAR EASTERN ATLANTIC OCEAN...

AT 1100 PM AST...0300Z...THE CENTER OF TROPICAL STORM DEBBY WAS LOCATED NEAR LATITUDE 15.2 NORTH...LONGITUDE 28.9 WEST OR ABOUT 300 MILES...485 KM...WEST OF THE SOUTHERNMOST CAPE VERDE ISLANDS.

DEBBY IS MOVING TOWARD THE WEST-NORTHWEST NEAR 18 MPH...30 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS.

MAXIMUM SUSTAINED WINDS ARE NEAR 40 MPH...65 KM/HR...WITH HIGHER GUSTS. SOME STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM FROM THE CENTER.
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original post

...TROPICAL DEPRESSION FORMS IN THE FAR EASTERN ATLANTIC...

AT 5 PM AST...2100 UTC...THE GOVERNMENT OF THE CAPE VERDE ISLANDS HAS ISSUED A TROPICAL STORM WARNING FOR THE CAPE VERDE ISLANDS. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AT 500 PM AST...2100Z...THE CENTER OF TROPICAL DEPRESSION FOUR WAS LOCATED NEAR LATITUDE 12.5 NORTH...LONGITUDE 21.5 WEST OR ABOUT 250 MILES...405 KM...SOUTHEAST OF THE SOUTHERNMOST CAPE VERDE ISLANDS.

THE DEPRESSION IS MOVING TOWARD THE WEST-NORTHWEST NEAR 12 MPH. A TURN TO THE NORTHWEST WITH SOME INCREASE IN FORWARD SPEED IS EXPECTED OVER THE NEXT 24 HOURS. ON THE FORECAST TRACK...THE DEPRESSION WILL BE PASSING VERY NEAR THE SOUTHERN CAPE VERDE ISLANDS TOMORROW. MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH...55 KM/HR...WITH HIGHER GUSTS.

THE DEPRESSION IS FORECAST TO BECOME A TROPICAL STORM DURING THE NEXT 24 HOURS. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1007 MB...29.74 INCHES. RAINFALL AMOUNTS OF 3 TO 6 INCHES...WITH ISOLATED MAXIMUM AMOUNTS OF 10 INCHES IN AREAS OF HIGHER TERRAIN...ARE POSSIBLE OVER THE CAPE VERDE ISLANDS IN ASSOCIATION WITH THE DEPRESSION.

THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. REPEATING THE 500 PM AST POSITION...12.5 N...21.5 W. MOVEMENT TOWARD...WEST-NORTHWEST NEAR 12 MPH. MAXIMUM SUSTAINED WINDS...35 MPH. MINIMUM CENTRAL PRESSURE...1007 MB.

AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 800 PM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 1100 PM AST.

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FORECASTER FRANKLIN

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