000 WTNT32 KNHC 242039 TCPAT2 BULLETIN TROPICAL STORM KARL ADVISORY NUMBER 42 NWS NATIONAL HURRICANE CENTER MIAMI FL AL122016 500 PM AST SAT SEP 24 2016 ...KARL EXPECTED TO BECOME A POWERFUL POST-TROPICAL CYCLONE OVER THE NORTH ATLANTIC ON SUNDAY... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...33.6N 61.1W ABOUT 230 MI...375 KM ENE OF BERMUDA ABOUT 995 MI...1605 KM SSW OF CAPE RACE NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...ENE OR 60 DEGREES AT 23 MPH...37 KM/H MINIMUM CENTRAL PRESSURE...994 MB...29.36 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings in effect. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 500 PM AST (2100 UTC), the center of Tropical Storm Karl was located near latitude 33.6 North, longitude 61.1 West. Karl is moving toward the east-northeast near 23 mph (37 km/h). An east-northeastward to northeastward motion at a faster forward speed is expected tonight and Sunday. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Some strengthening is forecast during the next 48 hours, and Karl is expected to be at hurricane intensity when it becomes a post-tropical cyclone on Sunday. The post-tropical cyclone will be absorbed by a large extratropical low Sunday night. Tropical-storm-force winds extend outward up to 175 miles (280 km) from the center. The estimated minimum central pressure is 994 mb (29.36 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by Karl will continue affecting Bermuda through tonight. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Brennan