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Tropical Storm Eta Public Advisory Number 6A
2020-11-02 06:45:08| National Hurricane Center (Atlantic)
Issued at 100 AM EST Mon Nov 02 2020 209 WTNT34 KNHC 020545 TCPAT4 BULLETIN Tropical Storm Eta Intermediate Advisory Number 6A NWS National Hurricane Center Miami FL AL292020 100 AM EST Mon Nov 02 2020 ...ETA NEAR HURRICANE STRENGTH... ...LIFE-THREATENING STORM SURGE, DAMAGING WINDS, FLASH FLOODING, AND LANDSLIDES EXPECTED ACROSS PORTIONS OF CENTRAL AMERICA... SUMMARY OF 100 AM EST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...14.9N 80.4W ABOUT 185 MI...300 KM E OF CABO GRACIAS A DIOS ON NIC/HON BORDER ABOUT 210 MI...340 KM ENE OF PUERTO CABEZAS NICARAGUA MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...989 MB...29.21 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. A warning is typically issued 36 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous. Preparations to protect life and property should be rushed to completion. 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 100 AM EST (0600 UTC), the center of Tropical Storm Eta was located near latitude 14.9 North, longitude 80.4 West. Eta is moving toward the west near 13 mph (20 km/h), and this general motion is expected to continue through this morning. A slower motion toward the west-southwest is forecast by this afternoon and continuing into Tuesday. On the forecast track, the center of Eta is expected to approach the northeastern coast of Nicaragua this afternoon, and make landfall within the Hurricane Warning area in Nicaragua by early Tuesday. The center of Eta is forecast to move farther inland over northern Nicaragua through early Wednesday. Maximum sustained winds are near 70 mph (110 km/h) with higher gusts. Strengthening, possibly rapid, is expected through early Tuesday, and Eta is expected to become a hurricane within the next few hours. Additional strengthening is likely thereafter, and Eta is forecast to be a major hurricane when landfall occurs by early Tuesday. Tropical-storm-force winds extend outward up to 140 miles (220 km) from the center. The estimated minimum central pressure is 989 mb (29.21 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: Hurricane conditions are expected in the Hurricane Warning area beginning tonight, with tropical storm conditions possible in this area by this afternoon. Tropical storm conditions are expected in the Tropical Storm Warning area by this afternoon, 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 southern 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 would 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 would be 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 10 to 15 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 400 AM EST. $$ Forecaster Pasch
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