305 WTNT35 KNHC 180231 TCPAT5 BULLETIN Tropical Storm Ernesto Advisory Number 12 NWS National Hurricane Center Miami FL AL052018 1100 PM AST Fri Aug 17 2018 ...ERNESTO RACING ACROSS THE NORTH ATLANTIC... ...EXPECTED TO BECOME POST-TROPICAL SATURDAY MORNING... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...50.4N 25.6W ABOUT 860 MI...1380 KM N OF THE AZORES MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...ENE OR 60 DEGREES AT 35 MPH...56 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 1100 PM AST (0300 UTC), the center of Tropical Storm Ernesto was located near latitude 50.4 North, longitude 25.6 West. Ernesto is moving toward the east-northeast near 35 mph (56 km/h), and this motion is expected to continue for the next day or so. On the forecast track the post-tropical cyclone and its remnants will move across Ireland and the United Kingdom Saturday night and early Sunday. Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Ernesto is expected to become post-tropical overnight, and slight weakening is forecast to occur Saturday while Ernesto merges with a frontal zone by Saturday night. Tropical-storm-force winds extend outward up to 175 miles (280 km) mainly to the south and southeast of the center. The estimated minimum central pressure is 999 mb (29.50 inches). HAZARDS AFFECTING LAND ---------------------- Information on rainfall and wind forecasts for Ireland can be found in products issued by Met Eireann at www.met.ie and for the United Kingdom in products issued by the United Kingdom Met Office at www.metoffice.gov/uk. NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Brennan