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#1024572 (Received by flhurricane at: 6:53 PM 09.Nov.2020) TCPAT4 BULLETIN Tropical Storm Eta Intermediate Advisory Number 38A NWS National Hurricane Center Miami FL AL292020 700 PM EST Mon Nov 09 2020 ...ETA SLOWING DOWN AS IT MOVES SOUTHWESTWARD OVER THE SOUTHEASTERN GULF OF MEXICO... SUMMARY OF 700 PM EST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...23.5N 85.0W ABOUT 155 MI...250 KM WSW OF THE DRY TORTUGAS ABOUT 110 MI...180 KM N OF THE WESTERN TIP OF CUBA MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...SW OR 230 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...995 MB...29.39 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * The Cuban provinces of La Habana, Artemisa, Mayabeque, Pinar del Rio, and the Isle of Youth A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case within 36 hours. Interests along the Gulf Coast of Florida should monitor the progress of Eta. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 700 PM EST (0000 UTC), the center of Tropical Storm Eta was located near latitude 23.5 North, longitude 85.0 West. Eta is moving toward the southwest near 14 mph (22 km/h), and this motion with some reduction in forward speed is expected to continue through tonight. Little overall motion is forecast on Tuesday and a slow northward motion is expected Tuesday night and Wednesday. On the forecast track, the center of Eta will remain over the southeastern Gulf of Mexico tonight through Wednesday. Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. Some strengthening will be possible tonight and Tuesday. Gradual weakening is expected to begin on Wednesday and then continue through the end of the week. Tropical-storm-force winds extend outward up to 140 miles (220 km) from the center. The estimated minimum central pressure is 995 mb (29.39 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Eta can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4, WMO header WTNT44 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT4.shtml. RAINFALL: Eta is expected to produce the following rainfall amounts through Saturday morning: The Bahamas: An additional 1 to 2 inches (25 to 50 mm), with isolated maximum storm totals of 15 inches (380 mm). Portions of Cuba: an additional 3 to 5 inches (75 to 125 mm), isolated maximum storm total accumulations of 25 inches (635 mm). Portions of the central and southern Florida peninsula, including the Keys: an additional 1 to 3 inches (25 to 75 mm)), with isolated maximum storm totals of 18 inches (450 mm) in South Florida. Flash flooding and river flooding will be possible in Cuba, along with landslides in areas of higher terrain. Additional flash flooding is possible across inundated urban areas of southeast Florida today. Flash and urban flooding will also be possible for the Bahamas and the remainder of southern and eastern Florida over the next several days. WIND: Gusty conditions will continue across the Florida Keys, south and central Florida, and the northwestern Bahamas tonight. Tropical storm conditions are possible in the Tropical Storm Watch area in Cuba tonight and Tuesday. SURF: Swells generated by Eta are expected to affect the north coast of Cuba, the northwestern Bahamas, southern Florida and the Florida Keys during the next day or so. 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 1000 PM EST. $$ Forecaster Brown |