ZCZC MIATCPAT4 ALL TTAA00 KNHC DDHHMM BULLETIN Tropical Depression Eta Intermediate Advisory Number 21A NWS National Hurricane Center Miami FL AL292020 600 PM CST Thu Nov 05 2020 ...ETA CAUSING HEAVY RAINS AND LIFE-THREATENING FLOODING OVER PORTIONS OF CENTRAL AMERICA... SUMMARY OF 600 PM CST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...16.0N 87.8W ABOUT 65 MI...100 KM WNW OF LA CEIBA HONDURAS MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...NNW OR 340 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 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 Cayman Islands A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. The governments of Nicaragua and Honduras continue to issue warnings on heavy rain and flooding in those countries, and interests in Nicaragua and Honduras should continue to monitor the progress of this system. Interests in Belize and western Cuba should also monitor the progress of this system, as Tropical Storm Watches may be required for portions of western Cuba later tonight or on Friday. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 600 PM CST (0000 UTC), the center of Tropical Depression Eta was located near latitude 16.0 North, longitude 87.8 West. The depression is moving toward the north-northwest near 8 mph (13 km/h), and a turn toward the north is forecast during the next several hours. A turn toward the northeast is expected on Friday, with this motion continuing through Saturday night. On the forecast track, the center of Eta will be over the western Caribbean Sea through Friday, approach the Cayman Islands Saturday and Saturday night, and be near Cuba on Sunday. Maximum sustained winds remain near 35 mph (55 km/h) over water, with higher gusts. Strengthening is forecast, and Eta is expected to re-gain tropical storm strength on Friday. The estimated minimum central pressure based on nearby surface observations is 1004 mb (29.65 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 Tuesday morning: Portions of Central America: An additional 5 to 10 inches (125 to 255 mm), isolated maximum storm totals of 40 inches (1000 mm) in eastern Honduras and eastern Nicaragua. Southeastern Mexico and Jamaica: An additional 2 to 5 inches (50 to 125 mm), isolated maximum storm totals of 15 inches (380 mm). The Cayman Islands into portions of Cuba: 10 to 20 inches (255 to 510 mm), isolated maximum totals of 30 inches (760 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. Significant, life-threatening flash flooding and river flooding is possible in the Cayman Islands and Cuba. Flash flooding and river flooding is expected for Jamaica and southeast Mexico. WIND: Tropical storm conditions are possible in the Cayman Islands Saturday or Saturday night. 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 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 900 PM CST. $$ Forecaster Blake NNNN