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Tropical Storm Eta Public Advisory Number 36A
2020-11-09 12:48:30| National Hurricane Center (Atlantic)
Issued at 700 AM EST Mon Nov 09 2020 000 WTNT34 KNHC 091148 TCPAT4 BULLETIN Tropical Storm Eta Intermediate Advisory Number 36A NWS National Hurricane Center Miami FL AL292020 700 AM EST Mon Nov 09 2020 ...ETA MOVING WESTWARD OVER THE SOUTHEASTERN GULF OF MEXICO... ...GUSTY WINDS AND HEAVY RAINS STILL OCCURRING OVER PORTIONS OF SOUTH FLORIDA AND THE FLORIDA KEYS... SUMMARY OF 700 AM EST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...25.0N 82.9W ABOUT 55 MI...90 KM WNW OF DRY TORTUGAS FLORIDA ABOUT 80 MI...125 KM WNW OF KEY WEST FLORIDA MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...992 MB...29.30 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of the Bahamas has discontinued the Tropical Storm Warning for all of the Bahamas. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Florida coast from Brevard/Volusia County line to Anna Maria Island * Florida Keys from Ocean Reef to the Dry Tortugas, including Florida Bay * Lake Okeechobee 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 Warning means that tropical storm conditions are expected somewhere within the warning area, generally within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. Interests elsewhere in the Florida peninsula should monitor the progress of Eta. For storm information specific to your area in the United States, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. For storm information specific to your area outside of the United States, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 700 AM EST (1200 UTC), the center of Tropical Storm Eta was located by an Air Force Reserve reconnaissance aircraft and NOAA Doppler weather radars near latitude 25.0 North, longitude 82.9 West. Eta is moving toward the west near 13 mph (20 km/h). A westward motion will continue this morning, followed by a west-southwestward motion with some reduction in forward speed this afternoon and tonight. Little overall motion is forecast on Tuesday and a slow northward motion is expected on Wednesday. On the forecast track, the center of Eta will gradually move away from the Florida Keys and south Florida today, and will remain over the southeastern Gulf of Mexico tonight through Wednesday. Data from the reconnaissance aircraft and Doppler radars indicate that maximum sustained winds remain near 65 mph (100 km/h) with higher gusts. Some strengthening is forecast during the next day or so, and Eta is forecast to become a hurricane when it moves over the southeastern Gulf of Mexico. Tropical-storm-force winds extend outward up to 310 miles (500 km) from the center. A wind gust to 43 mph (69 km/h) was recently reported in Homestead, Florida. The estimated minimum central pressure based on reports from the aircraft is 992 mb (29.30 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: Jamaica and The Bahamas: An additional 2 to 4 inches (25 to 75 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 2 to 4 inches (50 to 100 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. Life-threatening flash flooding will be possible across inundated urban areas of southeast Florida. Flash and urban flooding will also be possible for Jamaica, the Bahamas, and the remainder of southern and eastern Florida over the next several days. Minor river flooding is also possible for central Florida. STORM SURGE: The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Bonita Beach, FL to Golden Beach, FL including Florida Keys...1-2 ft The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by dangerous waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. WIND: Tropical storm conditions will continue across the Florida Keys, south and central Florida, and the northwestern Bahamas today. Tropical storm conditions are possible in the Tropical Storm Watch area in Cuba tonight and Tuesday. TORNADOES: A couple of tornadoes are possible through tonight over parts of south Florida and the Keys. 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 couple of days. 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 AM EST. $$ Forecaster Stewart
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