900 WTNT34 KNHC 062035 TCPAT4 BULLETIN Tropical Storm Dexter Advisory Number 12 NWS National Hurricane Center Miami FL AL042025 500 PM AST Wed Aug 06 2025 ...DEXTER FORECAST TO BECOME A POWERFUL EXTRATROPICAL CYCLONE AS IT MOVES ACROSS THE NORTH ATLANTIC... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...40.0N 56.3W ABOUT 490 MI...790 KM SSW OF CAPE RACE NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...ENE OR 75 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 PM AST (2100 UTC), the center of Tropical Storm Dexter was located near latitude 40.0 North, longitude 56.3 West. Dexter is moving toward the east-northeast near 16 mph (26 km/h) and this general motion is expected to continue with a further increase in forward speed over the next few days. Maximum sustained winds remain near 50 mph (85 km/h) with higher gusts. Additional strengthening is forecast during the next day or so as Dexter undergoes extratropical transition. Tropical-storm-force winds extend outward up to 175 miles (280 km) from the center. The estimated minimum central pressure is 999 mb (29.50 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Papin
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