000 WTNT32 KNHC 092348 TCPAT2 BULLETIN Hurricane Jose Intermediate Advisory Number 18A NWS National Hurricane Center Miami FL AL122017 Issued by the NWS Weather Prediction Center College Park MD 800 PM AST Sat Sep 09 2017 ...POWERFUL HURRICANE JOSE PULLING AWAY FROM THE NORTHERN LEEWARD ISLANDS... SUMMARY OF 800 PM AST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...19.4N 62.9W ABOUT 85 MI...135 KM N OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H PRESENT MOVEMENT...NW OR 310 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...945 MB...27.91 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * St. Martin * Sint Maarten * St. Barthelemy For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 800 PM AST (0000 UTC), the eye of Hurricane Jose was located by reconnaissance aircraft near latitude 19.4 North, longitude 62.9 West. Jose is moving toward the northwest near 14 mph (22 km/h) and this motion is expected to continue for the next couple of days. On the forecast track, the core of Jose will continue to move away from the northern Leeward Islands overnight. Maximum sustained winds are near 145 mph (230 km/h) with higher gusts. Jose is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Little change in intensity is expected overnight, but gradual weakening should begin on Sunday and continue on Monday. Hurricane-force winds extend outward up to 35 miles (55 km) from the center and tropical-storm-force winds extend outward up to 150 miles (240 km). The estimated minimum central pressure, based on aircraft data, is 945 mb (27.91 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions, primarily in gusts, are expected within the tropical storm warning areas through this evening. STORM SURGE: Tidal levels will gradually subside over the northern Leeward Islands tonight. SURF: Swells generated by Jose are affecting portions of the Leeward Islands, the British and U.S. Virgin Islands, and will begin to affect the northern coasts of Puerto Rico and Hispaniola, and portions of the Bahamas, and the Turks and Caicos Islands over the next couple of days. These swells are likely to produce 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 Birchard/Blake