ZCZC MIATCPAT5 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM ERIKA ADVISORY NUMBER 2 NWS NATIONAL HURRICANE CENTER MIAMI FL AL052015 500 AM AST TUE AUG 25 2015 ...TROPICAL STORM WATCHES ISSUED FOR PORTIONS OF THE LEEWARD ISLANDS... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...14.6N 49.4W ABOUT 840 MI...1355 KM E OF THE LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 20 MPH...31 KM/H MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Meteorological Service of Antigua has issued a Tropical Storm Watch for Montserrat, Antigua, Barbuda, St. Kitts, Nevis, and Anguilla. The Meteorological Service of Curacao has issued a Tropical Storm Watch for Saba and St. Eustatius. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Montserrat * Antigua * Barbuda * St. Kitts and Nevis * Anguilla * Saba * St. Eustatius A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. Interests elsewhere in the Leeward Islands should monitor the progress of Erika, as watches may be required for additional areas later today. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 500 AM AST (0900 UTC), the center of Tropical Storm Erika was located near latitude 14.6 North, longitude 49.4 West. Erika is moving toward the west near 20 mph (31 km/h), and a westward to west-northwestward motion with a slight decrease in forward speed are expected during the next 48 hours. On the forecast track, the center of Erika will approach the Leeward Islands Wednesday night and early Thursday. Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Some strengthening is forecast during the next couple of days. Tropical storm force winds extend outward up to 80 miles (130 km) from the center. The estimated minimum central pressure is 1003 mb (29.62 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are possible within the watch area by Wednesday night or early Thursday. NEXT ADVISORY ------------- Next intermediate advisory at 800 AM AST. Next complete advisory at 1100 AM AST. $$ Forecaster Brennan NNNN