492 WTNT35 KNHC 160204 TCPAT5 BULLETIN Subtropical Storm Ernesto Advisory Number 4 NWS National Hurricane Center Miami FL AL052018 1100 PM AST Wed Aug 15 2018 ...ERNESTO MOVING NORTH-NORTHEASTWARD OVER THE NORTH-CENTRAL ATLANTIC... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...39.7N 45.1W ABOUT 630 MI...1010 KM SE OF CAPE RACE NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...NNE OR 25 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM AST (0300 UTC), the center of Subtropical Storm Ernesto was located near latitude 39.7 North, longitude 45.1 West. The storm is moving toward the north-northeast near 10 mph (17 km/h). A turn toward the northeast with an increase in forward speed is forecast tonight and early Thursday, with that motion continuing through Saturday. Maximum sustained winds remain near 40 mph (65 km/h) with higher gusts. Little change in strength is forecast during the next 24 hours. Ernesto is expected to become a post-tropical cyclone Thursday night or early Friday, and merge with a frontal zone near Ireland and the United Kingdom on Saturday. Winds of 40 mph extend outward up to 160 miles (260 km) from the center. The estimated minimum central pressure is 1008 mb (29.77 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Stewart