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| #1023711 (Received by flhurricane at: 6:53 PM 02.Nov.2020) TCPAT4 BULLETIN Hurricane Eta Intermediate Advisory Number 9A NWS National Hurricane Center Miami FL AL292020 700 PM EST Mon Nov 02 2020 ...ETA CONTINUES TO RAPIDLY INTENSIFY AS IT APPROACHES THE COAST OF NORTHEASTERN NICARAGUA... ...LIFE-THREATENING STORM SURGE, CATASTROPHIC WINDS, FLASH FLOODING, AND LANDSLIDES EXPECTED ACROSS PORTIONS OF CENTRAL AMERICA... SUMMARY OF 700 PM EST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...14.4N 82.4W ABOUT 70 MI...110 KM ESE OF CABO GRACIAS A DIOS ON NIC/HON BORDER ABOUT 70 MI...115 KM ENE OF PUERTO CABEZAS NICARAGUA MAXIMUM SUSTAINED WINDS...150 MPH...240 KM/H PRESENT MOVEMENT...WSW OR 250 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...934 MB...27.58 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * The coast of Nicaragua from the Honduras/Nicaragua border to Sandy Bay Sirpi A Tropical Storm Warning is in effect for... * The northeastern coast of Honduras from Punta Patuca to the Honduras/Nicaragua border A Hurricane Watch is in effect for... * The northeastern coast of Honduras from Punta Patuca to the Honduras/Nicaragua border A Tropical Storm Watch is in effect for... * The northern coast of Honduras from west of Punta Patuca westward to Punta Castilla A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area, in this case within the next 12 hours or so. Preparations to protect life and property should be completed. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. A Hurricane Watch means that hurricane conditions are possible within the watch area. A watch is typically issued 48 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. Interests elsewhere in Nicaragua and Honduras should monitor the progress of this system. 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 Hurricane Eta was located near latitude 14.4 North, longitude 82.4 West. Eta is moving toward the west-southwest near 9 mph (15 km/h), and this general motion is expected to continue through early Tuesday. A slower westward or west-northwestward motion is forecast to begin by Tuesday afternoon and continue through Thursday. On the forecast track, the center of Eta is expected to make landfall along the coast of Nicaragua within the Hurricane Warning area early Tuesday. The center of Eta is forecast to move farther inland over northern Nicaragua through Wednesday night, and then move across central portions of Honduras on Thursday. Maximum sustained winds have increased to near 150 mph (240 km/h) with higher gusts. Eta is a category 4 hurricane on the Saffir- Simpson Hurricane Wind Scale. Additional strengthening is forecast until Eta reaches the coast of Nicaragua. Weakening will begin after the cyclone moves inland. An Air Force Reserve hurricane hunter aircraft is currently en route to investigate Eta. Hurricane-force winds extend outward up to 25 miles (35 km) from the center and tropical-storm-force winds extend outward up to 125 miles (205 km). The estimated minimum central pressure is 934 mb (27.58 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Eta can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC. WIND: Catastrophic wind damage is expected where Eta's eyewall moves onshore within the Hurricane Warning area beginning tonight, with tropical storm conditions beginning within the next few hours. Tropical storm conditions are expected in the Tropical Storm Warning area tonight, and hurricane conditions are possible in the Hurricane Watch area by early Tuesday. Tropical Storm conditions are possible in the Tropical Storm Watch area by early Tuesday. RAINFALL: Eta is expected to produce the following rainfall amounts through Friday evening: Much of Nicaragua and Honduras: 15 to 25 inches (380 to 635 mm), isolated amounts of 35 inches (890 mm). Eastern Guatemala and Belize: 10 to 20 inches (255 to 510 mm), isolated amounts of 25 inches (635 mm). Portions of Panama and Costa Rica: 10 to 15 inches (255 to 380 mm), isolated amounts of 25 inches (635 mm). Jamaica and southeast Mexico: 5 to 10 inches (125 to 255 mm), isolated amounts of 15 inches (380 mm) over southern areas. El Salvador, Southern Haiti, and the Cayman Islands: 3 to 5 inches (75 to 125 mm), isolated amounts of 10 inches (255 mm) This rainfall will lead to catastrophic, life-threatening flash flooding and river flooding, along with landslides in areas of higher terrain of Central America. Flash flooding and river flooding are also possible across Jamaica, southeast Mexico, El Salvador, southern Haiti, and the Cayman Islands. STORM SURGE: A dangerous storm surge will raise water levels by as much as 12 to 18 feet above normal tide levels in areas of onshore winds along the coast of Nicaragua within the hurricane warning area, and 3 to 5 feet above normal tide levels along the coast of Honduras within the tropical storm warning area. Near the coast, the surge will be accompanied by large and destructive waves. SURF: Swells generated by Eta are expected to affect portions of the coast of Central America and the Yucatan Peninsula of Mexico during the next few 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 PM EST. $$ Forecaster Stewart/Cangialosi/Papin |
