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Hurricane Delta Public Advisory Number 12
2020-10-07 16:49:41| National Hurricane Center (Atlantic)
Issued at 1000 AM CDT Wed Oct 07 2020 000 WTNT31 KNHC 071449 TCPAT1 BULLETIN Hurricane Delta Advisory Number 12 NWS National Hurricane Center Miami FL AL262020 1000 AM CDT Wed Oct 07 2020 ...CENTER OF DELTA ABOUT TO EMERGE OFF THE NORTHERN COAST OF THE YUCATAN PENINSULA... ...STORM SURGE AND HURRICANE WATCHES ISSUED FOR PORTIONS OF THE NORTHWESTERN AND NORTHERN GULF COAST... SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...21.4N 88.0W ABOUT 65 MI...105 KM WSW OF CABO CATOCHE MEXICO ABOUT 110 MI...175 KM E OF PROGRESO MEXICO MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...975 MB...28.80 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: A Storm Surge Watch has been issued for the northern Gulf coast from High Island, Texas, to the Alabama/Florida border including Calcasieu Lake, Vermilion Bay, Lake Pontchartrain, Lake Maurepas, Lake Borgne and Mobile Bay. A Hurricane Watch has been issued for the northern Gulf coast from High Island, Texas, eastward to Grand Isle, Louisiana. A Tropical Storm Watch has been issued along the Texas coast from west of High Island to San Luis Pass. A Tropical Storm Watch has also been issued along the northern Gulf coast from east of Grand Isle, Louisiana, to Bay St. Louis, Mississippi, including the city of New Orleans, Lake Pontchartrain and Lake Maurepas. The government of Cuba has discontinued all warnings for Cuba. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Watch is in effect for... * High Island, Texas, to the Alabama/Florida border including Calcasieu Lake, Vermilion Bay, Lake Pontchartrain, Lake Maurepas, Lake Borgne and Mobile Bay A Hurricane Warning is in effect for... * Tulum to Dzilam Mexico * Cozumel A Hurricane Watch is in effect for... * High Island Texas to Grand Isle Louisiana A Tropical Storm Warning is in effect for... * Punta Herrero to Tulum Mexico * Dzilam to Progreso Mexico A Tropical Storm Watch is in effect for... * San Luis Pass to west of High Island Texas * East of Grand Isle Louisiana to Bay St. Louis Mississippi, including New Orleans * Lake Pontchartrain and Lake Maurepas A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. A Storm Surge Watch means there is a possibility of life- threatening inundation, from rising water moving inland from the coastline, in the indicated locations during the next 48 hours. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov. 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 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, generally within 48 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1000 AM CDT (1500 UTC), the center of Hurricane Delta was located near latitude 21.4 North, longitude 88.0 West. Delta is moving toward the northwest near 17 mph (28 km/h). A northwestward motion with a reduction in forward speed is expected over the next 24 hours. A north-northwestward motion is expected by late Thursday, and a faster northward to north-northeastward motion is forecast on Friday and Friday night. On the forecast track, the center of Delta will move over the southern Gulf of Mexico this afternoon, be over the southern or central Gulf of Mexico through Thursday, and approach the northern Gulf coast within the hurricane watch area on Friday. Maximum sustained winds are near 105 mph (165 km/h) with higher gusts. Re-strengthening is forecast when the hurricane moves over the southern and central Gulf of Mexico through Thursday, and Delta is expected to become a major hurricane again. Some weakening is is forecast as Delta approaches the northern Gulf coast on Friday. Hurricane-force winds extend outward up to 30 miles (45 km) from the center and tropical-storm-force winds extend outward up to 125 miles (205 km). The estimated minimum central pressure is 975 mb (28.80 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Delta can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT1, WMO header WTNT41 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT1.shtml. STORM SURGE: A life-threatening storm surge will raise water levels in areas of onshore winds by as much as 6 to 9 ft above normal tide levels along the northern coast of the Yucatan Peninsula from Cabo Catoche to Progreso, and 5 to 7 ft above normal tide levels along the eastern coast of the Yucatan Peninsula from Tulum to Cabo Catoche. Near the coast, the surge will be accompanied by large and destructive waves. The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Pecan Island, LA to Port Fourchon, LA including Vermilion Bay...7-11 ft Cameron, LA to Pecan Island, LA...4-7 ft Port Fourchon, LA to Ocean Springs, MS including Lake Borgne...4-6 ft Lake Pontchartrain and Lake Maurepas...3-5 ft Ocean Springs, MS to AL/FL border including Mobile Bay...2-4 ft High Island, TX to Cameron, LA including Calcasieu Lake...2-4 ft Sabine Lake...1-3 ft Port O'Connor, TX to High Island, TX including Galveston Bay...1-3 ft The deepest water will occur along the immediate coast near and to the east of the landfall location, where the surge will be accompanied by large and dangerous waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. WIND: Hurricane and tropical storm conditions will continue within the warning area in the Yucatan peninsula during the next few hours. Tropical storm conditions are possible within the watch areas along the Gulf coast by late Thursday night or early Friday with hurricane conditions possible within the hurricane watch area by Friday morning. RAINFALL: Through early Thursday, Delta is expected to produce 4 to 6 inches of rain, with isolated maximum totals of 10 inches, across portions of the northern Yucatan Peninsula. This rainfall may result in areas of significant flash flooding. Friday through Saturday, Delta is expected to produce 4 to 8 inches of rain, with isolated maximum totals of 12 inches across portions of the central Gulf Coast north into portions of the Lower to Middle Mississippi Valley. These rainfall amounts will lead to flash, urban, small stream, and minor river flooding. As Delta moves farther inland, 1 to 3 inches of rain, with locally higher amounts, is expected in the Ohio Valley and Mid Atlantic this weekend. SURF: Swells generated by Delta will affect land areas around the northwestern Caribbean Sea today. Swell will begin to affect portions of the northern and western Gulf coast on Thursday. 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 100 PM CDT. Next complete advisory at 400 PM CDT. $$ Forecaster Brown
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Tropical Storm Norbert Public Advisory Number 8
2020-10-07 16:47:14| National Hurricane Center (East Pacific)
Issued at 900 AM MDT Wed Oct 07 2020 000 WTPZ34 KNHC 071447 TCPEP4 BULLETIN Tropical Storm Norbert Advisory Number 8 NWS National Hurricane Center Miami FL EP192020 900 AM MDT Wed Oct 07 2020 ...NORBERT NEARLY STATIONARY WELL OFFSHORE OF SOUTHWESTERN MEXICO... SUMMARY OF 900 AM MDT...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...14.2N 107.1W ABOUT 380 MI...610 KM SSW OF MANZANILLO MEXICO MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...STATIONARY MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 900 AM MDT (1500 UTC), the center of Tropical Storm Norbert was located near latitude 14.2 North, longitude 107.1 West. Norbert is nearly stationary and the storm is expected to move little over the next day or so. A drift to the west to west-northwest is expected by late this week. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Little change in strength is forecast during the next few days. Tropical-storm-force winds extend outward up to 25 miles (35 km) from the center. The estimated minimum central pressure is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 300 PM MDT. $$ Forecaster Latto
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Hurricane Delta Public Advisory Number 11A
2020-10-07 13:49:38| National Hurricane Center (Atlantic)
Issued at 700 AM CDT Wed Oct 07 2020 000 WTNT31 KNHC 071149 TCPAT1 BULLETIN Hurricane Delta Intermediate Advisory Number 11A NWS National Hurricane Center Miami FL AL262020 700 AM CDT Wed Oct 07 2020 ...DELTA BRINGING A LIFE-THREATENING STORM SURGE AND STRONG WINDS TO NORTHEASTERN PORTIONS OF THE YUCATAN PENINSULA... SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...21.1N 87.4W ABOUT 35 MI...55 KM W OF CANCUN MEXICO MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...974 MB...28.76 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Tulum to Dzilam Mexico * Cozumel A Tropical Storm Warning is in effect for... * Cuba province of Pinar del Rio * Punta Herrero to Tulum Mexico * Dzilam to Progreso Mexico A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. Interests along the northern Gulf of Mexico coast should monitor the progress of Delta. Hurricane and Storm Surge Watches will likely be issued for a portion of this area later this morning. 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 Hurricane Delta was located by satellite images and surface observation inland over northeastern Mexico near latitude 21.1 North, longitude 87.4 West. Delta is moving toward the northwest near 17 mph (28 km/h). A west-northwestward to northwestward motion is expected over the next day or so. A slower northwestward to north-northwestward motion is forecast to begin on Thursday, and a northward motion is likely Thursday night and Friday. On the forecast track, the center of Delta will move over the northeastern portion of the Yucatan Peninsula this morning. Delta is forecast to move over the southern Gulf of Mexico this afternoon, be over the southern or central Gulf of Mexico through Thursday, and approach the northern Gulf coast on Friday. Maximum sustained winds are near 105 mph (165 km/h) with higher gusts. Although some additional weakening is likely when Delta moves over the Yucatan peninsula this morning, re-strengthening is forecast when the hurricane moves over the southern Gulf of Mexico Wednesday night and Thursday, and Delta could become a category 4 hurricane again by late Thursday. Weakening is expected as Delta approaches the northern Gulf coast on Friday. Hurricane-force winds extend outward up to 30 miles (45 km) from the center and tropical-storm-force winds extend outward up to 140 miles (220 km). A WeatherFlow observing site at Puerto Morelos, Mexico, has recently reported sustained winds of 54 mph (87 km/h) and a gust to 75 mph (122 km/h) after the passage of the center over that location. A wind gust to 64 mph (104 km/h) was recently reported on Cozumel, Mexico. The estimated minimum central pressure based on surface observations is 974 mb (28.76 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Delta can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT1, WMO header WTNT41 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT1.shtml. STORM SURGE: A life-threatening storm surge will raise water levels in areas of onshore winds by as much as 6 to 9 ft above normal tide levels along the northern coast of the Yucatan Peninsula from Cabo Catoche to Progreso, and 5 to 7 ft above normal tide levels along the eastern coast of the Yucatan Peninsula from Tulum to Cabo Catoche. Near the coast, the surge will be accompanied by large and destructive waves. WIND: In the Yucatan Peninsula, dangerous hurricane conditions are expected in portions of the warning area during the next few hours, with tropical storm conditions already occuring. Tropical storm conditions are expected in the tropical storm warning area to continue for the next several hours. In Cuba, tropical storm conditions could continue over far western portions of the island during the next few hours. RAINFALL: Through early Thursday, Delta is expected to produce 4 to 6 inches of rain, with isolated maximum totals of 10 inches, across portions of the northern Yucatan Peninsula. This rainfall may result in areas of significant flash flooding. In addition, 2 to 4 inches of rain, with isolated higher amounts, are expected across portions of western Cuba. This rainfall may result in areas of flash flooding and mudslides. Friday through Saturday, Delta is expected to produce 4 to 8 inches of rain, with isolated maximum totals of 12 inches across portions of the central Gulf Coast north into portions of the Lower Mississippi Valley. These rainfall amounts will lead to flash, urban, and small stream flooding, along with minor river flooding. Heavy rainfall will eventually spread into the Tennessee Valley, and interior southeastern United States this weekend into early next week. SURF: Swells generated by Delta will affect land areas around the northwestern Caribbean Sea for the next day or so. 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 Brown
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Hurricane Delta Public Advisory Number 11
2020-10-07 10:56:40| National Hurricane Center (Atlantic)
Issued at 400 AM CDT Wed Oct 07 2020 000 WTNT31 KNHC 070856 TCPAT1 BULLETIN Hurricane Delta Advisory Number 11 NWS National Hurricane Center Miami FL AL262020 400 AM CDT Wed Oct 07 2020 ...WEATHER QUICKLY DETERIORATING OVER THE NORTHEAST YUCATAN COAST WITH LIFE-THREATENING STORM SURGE AND STRONG WINDS ARRIVING SOON... SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...20.6N 86.4W ABOUT 35 MI...55 KM ENE OF COZUMEL MEXICO MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...972 MB...28.71 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of Cuba has discontinued the Tropical Storm Warning for the Isle of Youth. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Tulum to Dzilam Mexico * Cozumel A Tropical Storm Warning is in effect for... * Cuba province of Pinar del Rio * Punta Herrero to Tulum Mexico * Dzilam to Progreso Mexico A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. 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. Interests along the northern Gulf of Mexico coast should monitor the progress of Delta. Hurricane and Storm Surge Watches will likely be issued for a portion of this area later today. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 400 AM CDT (0900 UTC), the center of Hurricane Delta was located by satellite images and Cuban radar data near latitude 20.6 North, longitude 86.4 West. Delta is moving toward the northwest near 17 mph (28 km/h). A west-northwestward to northwestward motion is expected over the next day or so. A slower northwestward to north-northwestward motion is forecast to begin on Thursday, and a northward motion is likely Thursday night and Friday. On the forecast track, the center of Delta will move over the northeastern portion of the Yucatan Peninsula during the next few hours. Delta is forecast to move over the southern Gulf of Mexico this afternoon, be over the southern or central Gulf of Mexico through Thursday, and approach the northern Gulf coast on Friday. Maximum sustained winds are near 115 mph (185 km/h) with higher gusts. Delta is a category 3 hurricane on the Saffir-Simpson Hurricane Wind Scale. Little change in strength is expected before the center reaches the coast of the Yucatan peninsula during the next few hours. Although some weakening is likely when Delta moves over the Yucatan peninsula, re-strengthening is forecast when the hurricane moves over the southern Gulf of Mexico Wednesday night and Thursday, and Delta could become a category 4 hurricane again by late Thursday. Weakening is expected as Delta approaches the northern Gulf coast on Friday. Hurricane-force winds extend outward up to 30 miles (45 km) from the center and tropical-storm-force winds extend outward up to 140 miles (220 km). The estimated minimum central pressure is 972 mb (28.71 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Delta can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT1, WMO header WTNT41 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT1.shtml. STORM SURGE: A life-threatening storm surge will raise water levels in areas of onshore winds by as much as 8 to 12 ft above normal tide levels along the northern coast of the Yucatan Peninsula from Cabo Catoche to Progresso, and 6 to 8 ft above normal tide levels along the eastern coast of the Yucatan Peninsula from Tulum to Cabo Catoche. Near the coast, the surge will be accompanied by large and destructive waves. WIND: In the Yucatan Peninsula, extremely dangerous hurricane conditions are expected in portions of the warning area during the next few hours, with tropical storm conditions already occuring. Tropical storm conditions are expected in the tropical storm warning area to continue for the next several hours. In Cuba, tropical storm conditions are expected during the next few hours. RAINFALL: Through early Thursday, Delta is expected to produce 4 to 6 inches of rain, with isolated maximum totals of 10 inches, across portions of the northern Yucatan Peninsula. This rainfall may result in areas of significant flash flooding. In addition, 2 to 4 inches of rain, with isolated higher amounts, are expected across portions of western Cuba. This rainfall may result in areas of flash flooding and mudslides. Friday through Saturday, Delta is expected to produce 4 to 8 inches of rain, with isolated maximum totals of 12 inches across portions of the central Gulf Coast north into portions of the Lower Mississippi Valley. These rainfall amounts will lead to flash, urban, and small stream flooding, along with minor river flooding. Heavy rainfall will eventually spread into the Tennessee Valley, and interior southeastern United States this weekend into early next week. SURF: Swells generated by Delta will affect land areas around the northwestern Caribbean Sea for the next day or so. 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 700 AM CDT. Next complete advisory at 1000 AM CDT. $$ Forecaster Blake
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Tropical Storm Norbert Public Advisory Number 7
2020-10-07 10:46:09| National Hurricane Center (East Pacific)
Issued at 300 AM MDT Wed Oct 07 2020 000 WTPZ34 KNHC 070846 TCPEP4 BULLETIN Tropical Storm Norbert Advisory Number 7 NWS National Hurricane Center Miami FL EP192020 300 AM MDT Wed Oct 07 2020 ...NORBERT WEAKENS OVERNIGHT AS DRY AIR IMPACTS THE COMPACT SYSTEM... SUMMARY OF 300 AM MDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...14.0N 107.1W ABOUT 390 MI...630 KM SSW OF MANZANILLO MEXICO MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...SW OR 230 DEGREES AT 1 MPH...2 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 300 AM MDT (0900 UTC), the center of Tropical Storm Norbert was located near latitude 14.0 North, longitude 107.1 West. Norbert is drifting toward the southwest near 1 mph (2 km/h). The storm is forecast to meander or remain nearly stationary over the next couple of days. Satellite-derived wind data indicate that maximum sustained winds have decreased to near 40 mph (65 km/h) with higher gusts. Some fluctuations in strength will be possible during the next few days. Tropical-storm-force winds extend outward up to 25 miles (35 km) from the center. The estimated minimum central pressure is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 900 AM MDT. $$ Forecaster Reinhart/Stewart
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