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Tropical Storm Nana Public Advisory Number 6A
2020-09-02 19:41:31| National Hurricane Center (Atlantic)
Issued at 200 PM EDT Wed Sep 02 2020 000 WTNT31 KNHC 021741 TCPAT1 BULLETIN Tropical Storm Nana Intermediate Advisory Number 6A NWS National Hurricane Center Miami FL AL162020 200 PM EDT Wed Sep 02 2020 ...AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT REPORTS NANA HAS CHANGED LITTLE IN STRENGTH... SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...17.1N 85.1W ABOUT 110 MI...175 KM ENE OF ISLA ROATAN HONDURAS ABOUT 215 MI...345 KM E OF BELIZE CITY MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...999 MB...29.50 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 Belize from Belize City southward to the Belize-Guatemala border. A Hurricane Watch is in effect for... * The coast of Belize north of Belize city to the Belize-Mexico border A Tropical Storm Warning is in effect for... * Yucatan Mexico from Puerto Costa Maya to Chetumal * The coast of Belize north of Belize city to the Belize-Mexico border * Caribbean Sea coast of Guatemala A Tropical Storm Watch is in effect for... * Northern coast of Honduras from Punta Patuca westward to the Guatemala border * Isla Roatan and the Bay Islands of Honduras A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area, in this case within the next 24 hours. Preparations to protect life and property should be rushed to completion. A Hurricane Watch means that hurricane conditions are possible within the watch area, in this case within the next 24 hours. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within the next 12 to 24 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case within the next 24 to 36 hours. A Tropical Storm Warning may be issued for Isla Roatan and the Bay Islands of Honduras later today. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 200 PM EDT (1800 UTC), the center of Tropical Storm Nana was located near latitude 17.1 North, longitude 85.1 West. Nana is moving toward the west near 16 mph (26 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 later today, and the center should make landfall on the coast of Belize tonight or early Thursday. Reports from an Air Force Reserve Hurricane Hunter aircraft indicate that maximum sustained winds are near 60 mph (95 km/h) with higher gusts. Strengthening is expected, and Nana is forecast to become a hurricane tonight before it reaches the coast of Belize. Weakening is expected after landfall. Tropical-storm-force winds extend outward up to 70 miles (110 km) from the center. The latest minimum central pressure reported by the Hurricane Hunter aircraft is 999 mb (29.50 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Hurricane conditions are expected in the Hurricane Warning area in Belize tonight and early Thursday, with tropical storm conditions expected by tonight. Tropical Storm conditions are expected in the Tropical Storm Warning area in Belize, Guatemala, and Mexico by tonight, with hurricane conditions possible in the Hurricane Watch area tonight. Tropical storm conditions are possible within the watch area in Honduras, including Isla Roatan and the Bay Islands, later today and tonight. 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 Friday: Northern coast of Honduras: 1 to 3 inches. Belize, Guatemala and the Mexican states of Chiapas and Tabasco: 3 to 6 inches, isolated totals of 8 inches. The southeast portion of the Mexican state of Quintana Roo: 2 to 4 inches. The eastern portions of the Mexican states of Veracruz and Oaxaca: 6 to 8 inches, isolated totals of 12 inches. 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 500 PM EDT. $$ Forecaster Beven
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Tropical Storm Nana Graphics
2020-09-02 16:47:21| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Wed, 02 Sep 2020 14:47:21 GMT Wind Speed Probabilities last updated Wed, 02 Sep 2020 14:47:21 GMT
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Tropical Storm Nana Forecast Discussion Number 6
2020-09-02 16:45:54| National Hurricane Center (Atlantic)
Issued at 1100 AM EDT Wed Sep 02 2020 000 WTNT41 KNHC 021445 TCDAT1 Tropical Storm Nana Discussion Number 6 NWS National Hurricane Center Miami FL AL162020 1100 AM EDT Wed Sep 02 2020 Ongoing northerly shear has caused the satellite appearance of Nana to degrade a little since the last advisory, with the low-level center located near the northern edge of an asymmetric convective burst. Reports from an NOAA Hurricane Hunter aircraft indicate that the maximum winds remain near 50 kt and the central pressure is near 998 mb. The initial motion is westward or 270/15 kt. A low- to mid-level ridge to the north of the cyclone is forecast to keep steering Nana toward the west, or maybe just south of west, for the remainder of the cyclone's life. The new forecast track, which is changed only slightly from the previous forecast, calls for the cyclone to pass north of the Bay Islands in about 12 h, then make landfall over Belize in 18-24 h. After that, a generally westward motion is expected until the cyclone dissipates over southeastern Mexico. The latest indications from the large-scale models are that light northerly shear should persist over Nana until landfall. However, the guidance is in good agreement that strengthening should occur before landfall. The new intensity forecast follows this trend, however, it is a little above the upper end of the intensity guidance. While not explicitly shown in the forecast, it is expected that Nana will reach hurricane intensity about the time it makes landfall in Belize. After landfall, the cyclone should steadily weaken until it dissipates by the 60 h forecast time. Observations from the NOAA aircraft indicate that Nana remains a rather small tropical cyclone, with tropical-storm-force winds extending 60 n mi or less from the center. KEY MESSAGES: 1. Nana is expected to bring hurricane conditions and dangerous storm surge tonight to portions of the coast of Belize, and a hurricane warning is in effect. Preparations to protect life and property should be rushed to completion. 2. Tropical storm conditions are expected in the tropical storm warning areas in Belize, Guatemala, and the Yucatan Peninsula of Mexico by tonight. 3. Heavy rainfall with isolated maximum amounts as high as 8 to 12 inches could result in flash flooding in Belize, Guatemala, and portions of southeastern Mexico and the Yucatan Peninsula. FORECAST POSITIONS AND MAX WINDS INIT 02/1500Z 17.1N 84.6W 50 KT 60 MPH 12H 03/0000Z 17.0N 86.5W 60 KT 70 MPH 24H 03/1200Z 16.8N 88.9W 60 KT 70 MPH...INLAND 36H 04/0000Z 16.6N 91.0W 35 KT 40 MPH...INLAND 48H 04/1200Z 16.5N 93.3W 25 KT 30 MPH...POST-TROP/INLAND 60H 05/0000Z...DISSIPATED $$ Forecaster Beven
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Summary for Tropical Storm Nana (AT1/AL162020)
2020-09-02 16:45:23| National Hurricane Center (Atlantic)
...NANA CONTINUING WESTWARD AND EXPECTED TO BECOME A HURRICANE TONIGHT... ...HURRICANE WARNING ISSUED FOR PORTIONS OF THE COAST OF BELIZE... As of 11:00 AM EDT Wed Sep 2 the center of Nana was located near 17.1, -84.6 with movement W at 17 mph. The minimum central pressure was 998 mb with maximum sustained winds of about 60 mph.
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Tropical Storm Nana Public Advisory Number 6
2020-09-02 16:45:23| National Hurricane Center (Atlantic)
Issued at 1100 AM EDT Wed Sep 02 2020 000 WTNT31 KNHC 021445 TCPAT1 BULLETIN Tropical Storm Nana Advisory Number 6 NWS National Hurricane Center Miami FL AL162020 1100 AM EDT Wed Sep 02 2020 ...NANA CONTINUING WESTWARD AND EXPECTED TO BECOME A HURRICANE TONIGHT... ...HURRICANE WARNING ISSUED FOR PORTIONS OF THE COAST OF BELIZE... SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...17.1N 84.6W ABOUT 145 MI...230 KM ENE OF ISLA ROATAN HONDURAS ABOUT 240 MI...385 KM E OF BELIZE CITY MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of Belize has issued a Hurricane Warning for the coast of Belize from Belize City southward to the Belize-Guatemala border. The government of Guatemala has issued a Tropical Storm Warning for the coast of Guatemala. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * The coast of Belize from Belize City southward to the Belize-Guatemala border. A Hurricane Watch is in effect for... * The coast of Belize north of Belize city to the Belize-Mexico border A Tropical Storm Warning is in effect for... * Yucatan Mexico from Puerto Costa Maya to Chetumal * The coast of Belize north of Belize city to the Belize-Mexico border * Caribbean Sea coast of Guatemala A Tropical Storm Watch is in effect for... * Northern coast of Honduras from Punta Patuca westward to the Guatemala border * Isla Roatan and the Bay Islands of Honduras A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area, in this case within the next 24 hours. Preparations to protect life and property should be rushed to completion. A Hurricane Watch means that hurricane conditions are possible within the watch area, in this case within the next 24 hours. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within the next 12 to 24 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case within the next 24 to 36 hours. A Tropical Storm Warning may be issued for Isla Roatan and the Bay Islands of Honduras later today. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM EDT (1500 UTC), the center of Tropical Storm Nana was located near latitude 17.1 North, longitude 84.6 West. Nana is moving toward the west near 17 mph (28 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 the center should make landfall on the coast of Belize tonight or 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 tonight before it reaches the coast of Belize. Weakening is expected after landfall. Tropical-storm-force winds extend outward up to 70 miles (110 km) from the center. The estimated minimum central pressure is 998 mb (29.47 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Hurricane conditions are expected in the Hurricane Warning area in Belize tonight and early Thursday, with tropical storm conditions expected by tonight. Tropical Storm conditions are expected in the Tropical Storm Warning area in Belize, Guatemala, and Mexico by tonight, with hurricane conditions possible in the Hurricane Watch area tonight. Tropical storm conditions are possible within the watch area in Honduras, including Isla Roatan and the Bay Islands, today and tonight. 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 Friday: Northern coast of Honduras: 1 to 3 inches. Belize, Guatemala and the Mexican states of Chiapas and Tabasco: 3 to 6 inches, isolated totals of 8 inches. The southeast portion of the Mexican state of Quintana Roo: 2 to 4 inches. The eastern portions of the Mexican states of Veracruz and Oaxaca: 6 to 8 inches, isolated totals of 12 inches. 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 intermediate advisory at 200 PM EDT. Next complete advisory at 500 PM EDT. $$ Forecaster Beven
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