The tropical wave that the National Hurricane Center has been closely monitoring this week has strengthened into the fourth tropical depression of the Atlantic hurricane season. The storm has maximum sustained winds of 35 mph. It may become Tropical Storm Dorian on Wednesday. The storm is not forecast to rapidly intensify because it will be encountering drier air and cooler ocean waters as it moves west at about 20 mph.
Computer model forecasts for T.D. 4
BULLETIN TROPICAL DEPRESSION FOUR ADVISORY NUMBER 1 NWS NATIONAL HURRICANE CENTER MIAMI FL AL042013 500 AM EDT WED JUL 24 2013 ...TROPICAL DEPRESSION FORMS OVER THE EASTERN ATLANTIC... SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...13.9N 28.1W ABOUT 310 MI...500 KM WSW OF THE CAPE VERDE ISLANDS MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 20 MPH...32 KM/H MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 500 AM EDT...0900 UTC...THE CENTER OF TROPICAL DEPRESSION FOUR WAS LOCATED NEAR LATITUDE 13.9 NORTH...LONGITUDE 28.1 WEST. THE DEPRESSION IS MOVING TOWARD THE WEST-NORTHWEST NEAR 20 MPH...32 KM/H. THIS GENERAL MOTION IS EXPECTED TO CONTINUE DURING THE NEXT COUPLE OF DAYS. MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH...55 KM/H...WITH HIGHER GUSTS. SOME SLIGHT STRENGTHENING IS EXPECTED DURING THE NEXT 48 HOURS...AND THE DEPRESSION IS FORECAST TO BECOME A TROPICAL STORM LATER TODAY OR TONIGHT. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1008 MB...29.77 INCHES. HAZARDS AFFECTING LAND ---------------------- NONE