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Tropical Storm Nana Public Advisory Number 5A
2020-09-02 13:46:56| National Hurricane Center (Atlantic)
Issued at 800 AM EDT Wed Sep 02 2020 000 WTNT31 KNHC 021146 TCPAT1 BULLETIN Tropical Storm Nana Intermediate Advisory Number 5A NWS National Hurricane Center Miami FL AL162020 800 AM EDT Wed Sep 02 2020 ...NOAA HURRICANE HUNTER REPORTS NANA CONTINUES WESTWARD WITH LITTLE CHANGE IN STRENGTH... ...LIKELY TO BECOME A HURRICANE BY TONIGHT... SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...17.1N 83.7W ABOUT 150 MI...240 KM NE OF LIMON HONDURAS ABOUT 305 MI...490 KM E OF BELIZE CITY BELIZE MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 18 MPH...30 KM/H MINIMUM CENTRAL PRESSURE...996 MB...29.41 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Watch is in effect for... * Entire coast of Belize A Tropical Storm Warning is in effect for... * Yucatan Mexico from Puerto Costa Maya to Chetumal * Entire coast of Belize A Tropical Storm Watch is in effect for... * Northern coast of Honduras from Punta Patuca westward to the Guatemala border * Roatan Island and the Bay Islands of Honduras * Caribbean Sea coast of Guatemala A Hurricane Watch means that hurricane conditions are possible within the watch area, in this case within the next 24 to 36 hours. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case within 36 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. Hurricane warnings will be issued for portions of the coast of Belize later this morning. A Tropical Storm Warning will likely be issued for Roatan Island and the Bay Islands of Honduras later this morning. DISCUSSION AND OUTLOOK ---------------------- At 800 AM EDT (1200 UTC), the center of Tropical Storm Nana was located near latitude 17.1 North, longitude 83.7 West. Nana is moving toward the west near 18 mph (30 km/h), and this general motion with some decrease in forward speed is expected today. A westward or west-southwestward motion is expected tonight and Thursday. On the forecast track, Nana will be moving near but north of the coast of Honduras today and likely be approaching the coast of Belize tonight and early Thursday. Maximum sustained winds are near 60 mph (95 km/h) with higher gusts. Strengthening is expected, and Nana is forecast to become a hurricane later today or tonight before it reaches the coast of Belize. Tropical-storm-force winds extend outward up to 70 miles (110 km) from the center. The minimum central pressure estimated from an NOAA Hurricane Hunter aircraft observations is 996 mb (29.41 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical Storm conditions are expected within the warning area in Belize by tonight, with hurricane conditions likely over a portion of the area tonight and early Thursday. Tropical storm conditions are expected within the warning area in Mexico and Guatemala by tonight. Tropical storm conditions are possible within the watch area in Honduras today. STORM SURGE: A dangerous storm surge will raise water levels by as much as 3 to 5 feet above normal tide levels along the immediate coast near and to the north of where the center makes landfall. Near the coast, the surge will be accompanied by large and destructive waves. RAINFALL: Nana is expected to produce the following rainfall accumulations through Thursday night: 3 to 6 inches, isolated 8 inches near the northern Honduras coast, southern and central Belize, northern Guatemala, and the northern portion of the Mexican state of Chiapas. 2 to 4 inches in the southeast portion of the Mexican state of Quintana Roo. SURF: Swells generated by Nana are affecting portions of the southern coast of Jamaica and the Cayman Islands, and will spread along the coasts of Honduras and Belize today and tonight. 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 1100 AM EDT. $$ Forecaster Beven
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