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Tropical Storm Nana Public Advisory Number 10

2020-09-03 16:34:43| National Hurricane Center (Atlantic)

Issued at 1000 AM CDT Thu Sep 03 2020 000 WTNT31 KNHC 031434 TCPAT1 BULLETIN Tropical Storm Nana Advisory Number 10 NWS National Hurricane Center Miami FL AL162020 1000 AM CDT Thu Sep 03 2020 ...NANA WEAKENING RAPIDLY OVER NORTHERN GUATEMALA AND SOUTHEASTERN MEXICO... ...ALL COASTAL WATCHES AND WARNINGS DISCONTINUED... SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...16.4N 90.3W ABOUT 125 MI...200 KM N OF GUATEMALA CITY GUATEMALA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...W OR 260 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of Honduras has discontinued all coastal watches and warnings for Honduras. The government of Guatemala has discontinued all coastal watches and warnings for Guatemala. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1000 AM CDT (1500 UTC), the center of Tropical Storm Nana was located near latitude 16.4 North, longitude 90.3 West. Nana is moving toward the west near 15 mph (24 km/h), and a westward to west-southwestward motion is expected through Friday night. On the forecast track, the center of Nana will move over northern Guatemala and southeastern Mexico today and tonight, then move over the Gulf of Tehuantepec on Friday. Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Continued rapid weakening is forecast, and Nana will likely become a remnant low on Friday. Tropical-storm-force winds extend outward up to 45 miles (75 km) from the center. The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions will continue near the center of Nana for a few more hours. STORM SURGE: Water levels along the Belize coast will gradually subside today. RAINFALL: Nana is expected to produce the following rainfall accumulations through Friday: Central to western Guatemala and the Mexican state of Chiapas: 3 to 6 inches, isolated totals of 8 inches. These rainfall amounts may produce life threatening flash floods and mudslides. SURF: Swells generated by Nana affecting portions of the coasts of northwestern Caribbean Sea should subside today. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 100 PM CDT. Next complete advisory at 400 PM CDT. $$ Forecaster Beven

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Tropical Storm Nana Forecast Advisory Number 10

2020-09-03 16:34:43| National Hurricane Center (Atlantic)

Issued at 1500 UTC THU SEP 03 2020 000 WTNT21 KNHC 031434 TCMAT1 TROPICAL STORM NANA FORECAST/ADVISORY NUMBER 10 NWS NATIONAL HURRICANE CENTER MIAMI FL AL162020 1500 UTC THU SEP 03 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE GOVERNMENT OF HONDURAS HAS DISCONTINUED ALL COASTAL WATCHES AND WARNINGS FOR HONDURAS. THE GOVERNMENT OF GUATEMALA HAS DISCONTINUED ALL COASTAL WATCHES AND WARNINGS FOR GUATEMALA. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL STORM CENTER LOCATED NEAR 16.4N 90.3W AT 03/1500Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE WEST OR 260 DEGREES AT 13 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1004 MB MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT. 34 KT....... 40NE 40SE 20SW 40NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 16.4N 90.3W AT 03/1500Z AT 03/1200Z CENTER WAS LOCATED NEAR 16.5N 89.7W FORECAST VALID 04/0000Z 16.0N 92.0W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 04/1200Z 15.4N 94.4W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 05/0000Z 14.9N 96.6W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 05/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.4N 90.3W INTERMEDIATE PUBLIC ADVISORY...WTNT31 KNHC/MIATCPAT1...AT 03/1800Z NEXT ADVISORY AT 03/2100Z $$ FORECASTER BEVEN

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Tropical Storm Nana Graphics

2020-09-03 13:53:34| National Hurricane Center (Atlantic)

5-Day Uncertainty Track last updated Thu, 03 Sep 2020 11:53:34 GMT Wind Speed Probabilities last updated Thu, 03 Sep 2020 09:31:34 GMT

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Summary for Tropical Storm Nana (AT1/AL162020)

2020-09-03 13:53:13| National Hurricane Center (Atlantic)

...NANA INLAND OVER NORTHERN GUATEMALA... As of 7:00 AM CDT Thu Sep 3 the center of Nana was located near 16.6, -89.7 with movement WSW at 15 mph. The minimum central pressure was 1000 mb with maximum sustained winds of about 60 mph.

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Tropical Storm Nana Public Advisory Number 9A

2020-09-03 13:53:13| National Hurricane Center (Atlantic)

Issued at 700 AM CDT Thu Sep 03 2020 000 WTNT31 KNHC 031153 TCPAT1 BULLETIN Tropical Storm Nana Intermediate Advisory Number 9A NWS National Hurricane Center Miami FL AL162020 700 AM CDT Thu Sep 03 2020 ...NANA INLAND OVER NORTHERN GUATEMALA... SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...16.6N 89.7W ABOUT 150 MI...110 KM NNE OF GUATEMALA CITY GUATEMALA MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...WSW OR 255 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of Belize has discontinued all coastal watches and warnings for Belize. The government of Mexico has discontinued the Tropical Storm Warning for the coast of Mexico. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Caribbean Sea coast of Guatemala * Isla Roatan and the Bay Islands of Honduras A Tropical Storm Watch is in effect for... * Northern coast of Honduras from Punta Patuca westward to the Guatemala border A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 700 AM CDT (1200 UTC), the center of Tropical Storm Nana was located near latitude 16.6 North, longitude 89.7 West. Nana is moving toward the west-southwest near 15 mph (24 km/h), and this general motion is expected to continue through today with some decrease in forward speed. On the forecast track, Nana will continue to move inland over Guatemala and extreme southeastern Mexico today and tonight. Maximum sustained winds have decreased to near 60 mph (95 km/h) with higher gusts. Rapid weakening is forecast today and tonight, and Nana will likely become a remnant low on Friday. Tropical-storm-force winds extend outward up to 70 miles (110 km) from the center. The estimated minimum central pressure is 1000 mb (29.53 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions will continue in the warning area in Guatemala for a few more hours. Tropical storm conditions are possible on Isla Roatan and the Bay Islands and along the Honduras coast within the watch area for a few more hours. STORM SURGE: Water levels along the Belize coast will gradually subside through the morning as Nana moves farther inland. RAINFALL: Nana is expected to produce the following rainfall accumulations through Friday: Northwest coast of Honduras: 2 to 4 inches Belize: 4 to 8 inches, isolated totals of 10 inches Guatemala and the Mexican states of Chiapas and Tabasco: 3 to 6 inches, isolated totals of 8 inches The eastern portions of the Mexican states of Veracruz and Oaxaca: 6 to 8 inches, isolated totals of 12 inches These rainfall amounts may produce life threatening flash floods and mudslides. SURF: Swells generated by Nana are affecting the coasts of Honduras and Belize, and the east coast of the Yucatan peninsula of Mexico. 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 CDT. $$ Forecaster Beven

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