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Tropical Storm Sally Public Advisory Number 10A
2020-09-14 07:35:22| National Hurricane Center (Atlantic)
Issued at 100 AM CDT Mon Sep 14 2020 000 WTNT34 KNHC 140535 TCPAT4 BULLETIN Tropical Storm Sally Intermediate Advisory Number 10A NWS National Hurricane Center Miami FL AL192020 100 AM CDT Mon Sep 14 2020 ...SALLY FORECAST TO PRODUCE LIFE-THREATENING STORM SURGE, HURRICANE-FORCE WINDS, AND HEAVY RAINFALL ALONG PORTIONS OF THE NORTHERN GULF COAST STARTING LATER TODAY... SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...28.1N 86.9W ABOUT 165 MI...265 KM S OF PENSACOLA FLORIDA ABOUT 150 MI...240 KM ESE OF THE MOUTH OF THE MISSISSIPPI RIVER MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...996 MB...29.42 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Port Fourchon Louisiana to the Alabama/Florida Border * Lake Pontchartrain, Lake Maurepas, and Lake Borgne * Mobile Bay A Hurricane Warning is in effect for... * Morgan City Louisiana to the Mississippi/Alabama Border * Lake Pontchartrain and Lake Maurepas including metropolitan New Orleans A Tropical Storm Warning is in effect for... * Mississippi/Alabama Border to Indian Pass Florida * Intracoastal City Louisiana to west of Morgan City A Hurricane Watch is in effect for... * Mississippi/Alabama Border to the Alabama/Florida Border A Tropical Storm Watch is in effect for... * Indian Pass to Ochlockonee River Florida A Storm Surge Warning means there is a danger of life-threatening inundation, from rising water moving inland from the coastline, during the next 36 hours in the indicated locations. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov. This is a life-threatening situation. Persons located within these areas should take all necessary actions to protect life and property from rising water and the potential for other dangerous conditions. Promptly follow evacuation and other instructions from local officials. 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 within 36 hours. A Hurricane Watch means that hurricane conditions are possible within the watch area. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 100 AM CDT (0600 UTC), the center of Tropical Storm Sally was located near latitude 28.1 North, longitude 86.9 West. Sally is moving toward the west near 12 mph (19 km/h). A slower west- northwestward motion is expected soon, followed by a further decrease in forward speed and a turn to the northwest tonight and Tuesday. On the forecast track, the center of Sally will move over the north-central Gulf of Mexico today, and approach the northern Gulf Coast within the hurricane warning area tonight and on Tuesday. Sally is expected to move slowly northward near the northern Gulf Coast through Wednesday. Maximum sustained winds are near 60 mph (95 km/h) with higher gusts. Strengthening is expected over the next day or so, and Sally is forecast to become a hurricane by tonight, with additional strengthening possible before the center crosses the northern Gulf Coast. Tropical-storm-force winds extend outward up to 125 miles (205 km) from the center. The estimated minimum central pressure based on data from the Air Force Hurricane Hunters is 996 mb (29.42 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Sally can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT4.shtml STORM SURGE: 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... Mouth of the Mississippi River to Ocean Springs including Lake Borgne...7-11 ft Ocean Springs to MS/AL Border...4-7 ft Port Fourchon to Mouth of the Mississippi River...4-6 ft Lake Pontchartrain and Lake Maurepas...4-6 ft MS/AL Border to AL/FL Border including Mobile Bay...3-5 ft Burns Point to Port Fourchon...1-3 ft AL/FL Border to Chassahowitzka including Pensacola Bay, Choctawhatchee Bay, and Saint Andrew Bay...1-3 ft Overtopping of local levees outside of the Hurricane and Storm Damage Risk Reduction System is possible where local inundation values may be higher than those shown above. The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large and damaging 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 conditions are expected within the hurricane warning area starting late today. Tropical storm conditions are possible within the watch area during the next few hours, and are expected within the warning area beginning this morning. RAINFALL: Sally is expected to be a slow moving system resulting in significant flash flooding for the central Gulf Coast today into Wednesday. Sally is expected to produce rainfall of 8 to 16 inches with isolated amounts of 24 inches over portions of the central Gulf Coast from the western Florida Panhandle to southeast Louisiana through the middle of the week. This rainfall will likely result in new widespread minor to isolated major flooding on area rivers. Sally is forecast to turn inland early Wednesday and track into the Southeast with rainfall of 5 to 10 inches possible across much of inland Mississippi and Alabama. Flash and urban flooding is possible, as well as widespread minor to moderate flooding on some rivers in Mississippi and Alabama. Further heavy rain is then anticipated across portions of Tennessee, northern Georgia and western North Carolina. Flash, urban, and minor river flooding is possible across this region. Outer bands of Sally are expected to produce additional rainfall of 1 to 3 inches across central and northern Florida through today. This rainfall may produce flash and urban flooding and prolong high flows and ongoing minor flooding on rivers across central Florida. TORNADOES: The risk of isolated tornadoes will begin to increase this afternoon and continue through Tuesday over parts of the western Florida Panhandle, southern Alabama, southern Mississippi, and southeast Louisiana. SURF: Swells from Sally are affecting the west coast of the Florida peninsula, the coast of the Florida Panhandle, and will be spreading northwestward along the northern Gulf coast through today. 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 400 AM CDT. $$ Forecaster Blake
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Tropical Storm Nana Public Advisory Number 10A
2020-09-03 19:41:49| National Hurricane Center (Atlantic)
Issued at 100 PM CDT Thu Sep 03 2020 000 WTNT31 KNHC 031741 TCPAT1 BULLETIN Tropical Storm Nana Intermediate Advisory Number 10A NWS National Hurricane Center Miami FL AL162020 100 PM CDT Thu Sep 03 2020 ...NANA EXPECTED TO WEAKEN TO A DEPRESSION DURING THE NEXT FEW HOURS... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...16.3N 90.6W ABOUT 120 MI...195 KM N OF GUATEMALA CITY GUATEMALA MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...W OR 260 DEGREES AT 14 MPH...23 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 100 PM CDT (1800 UTC), the center of Tropical Storm Nana was located near latitude 16.3 North, longitude 90.6 West. Nana is moving toward the west near 14 mph (23 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 western Guatemala and southeastern Mexico today and tonight, then move over the Gulf of Tehuantepec on Friday. Maximum sustained winds are now near 40 mph (65 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 1005 mb (29.68 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 complete advisory at 400 PM CDT. $$ Forecaster Beven
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Tropical Storm Marco Public Advisory Number 10A
2020-08-23 01:47:24| National Hurricane Center (Atlantic)
Issued at 700 PM CDT Sat Aug 22 2020 000 WTNT34 KNHC 222347 TCPAT4 BULLETIN Tropical Storm Marco Intermediate Advisory Number 10A NWS National Hurricane Center Miami FL AL142020 700 PM CDT Sat Aug 22 2020 ...MARCO ENTERS THE GULF OF MEXICO... ...STORM SURGE AND HURRICANE WATCHES IN EFFECT FOR PORTIONS OF THE NORTHERN GULF COAST... SUMMARY OF 700 PM CDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...22.3N 86.0W ABOUT 75 MI...120 KM WNW OF THE WESTERN TIP OF CUBA ABOUT 510 MI...820 KM SSE OF THE MOUTH OF THE MISSISSIPPI RIVER MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...NNW OR 340 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...994 MB...29.35 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Watch is in effect for... * Sabine Pass to the Alabama/Florida border * Lake Pontchartrain, Lake Maurepas, Lake Borgne, and Mobile Bay A Hurricane Watch is in effect for... * Intracoastal City Louisiana to the Mississippi/Alabama border * Lake Pontchartrain, Lake Maurepas, and Metropolitan New Orleans A Tropical Storm Warning is in effect for... * Province of Pinar del Rio Cuba A Tropical Storm Watch is in effect for... * Mississippi/Alabama border to the Alabama/Florida border 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 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 700 PM CDT (0000 UTC), the center of Tropical Storm Marco was located by an Air Force Reserve Hurricane Hunter Aircraft near latitude 22.3 North, longitude 86.0 West. Marco is moving toward the north-northwest near 13 mph (20 km/h). Marco is expected to continue moving toward the north-northwest across the central Gulf of Mexico on Sunday and is forecast to reach the northern Gulf coast on Monday. After moving inland, Marco is expected to slow down and turn toward the northwest and west-northwest Monday night and Tuesday, moving across southern Louisiana and east Texas. Maximum sustained winds based on preliminary data from the reconnaissance aircraft are near 65 mph (100 km/h) with higher gusts. Strengthening is forecast during the next day or two, and Marco is expected to become a hurricane later tonight or on Sunday. Marco is likely to still be at or near hurricane strength when it reaches the northern Gulf coast on Monday. Weakening is forecast to occur while the center moves farther inland Monday night and Tuesday. Tropical-storm-force winds extend outward up to 90 miles (150 km) from the center. The latest minimum central pressure reported by the hurricane hunter plane was 994 mb (29.35 inches). HAZARDS AFFECTING LAND ---------------------- STORM SURGE: 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... Grand Isle LA to the AL/FL Border including Lake Borgne and Mobile Bay...3-5 ft Lake Pontchartrain and Lake Maurepas...2-4 ft Sabine Pass to Grand Isle LA...2-4 ft The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large and destructive 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 conditions are possible within the hurricane watch area by midday Monday, with tropical storm conditions possible by early Monday. Tropical storm conditions are possible within the tropical storm watch area on Monday. Tropical storm conditions are expected to continue within the warning area in Cuba through this evening. RAINFALL: Marco is expected to produce the following rainfall accumulations through Monday: Far western Cuba: 2 to 4 inches of rain, with isolated maximum amounts of 6 inches possible Eastern portions of the Mexican states of Quintana Roo and Yucatan: 1 to 3 inches. Central U.S. Gulf Coast: 1 to 3 inches, isolated maximum amounts of 5 inches. This rainfall may result in areas of flash and urban flooding along the Central U.S. Gulf Coast. NEXT ADVISORY ------------- Next complete advisory at 1000 PM CDT. $$ Forecaster Zelinsky
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Tropical Storm Laura Public Advisory Number 10A
2020-08-22 13:47:14| National Hurricane Center (Atlantic)
Issued at 800 AM AST Sat Aug 22 2020 000 WTNT33 KNHC 221147 TCPAT3 BULLETIN Tropical Storm Laura Intermediate Advisory Number 10A NWS National Hurricane Center Miami FL AL132020 800 AM AST Sat Aug 22 2020 ...DISORGANIZED LAURA CONTINUES TO MOVE NEAR EASTERN PUERTO RICO... SUMMARY OF 800 AM AST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...17.7N 66.0W ABOUT 50 MI...80 KM S OF SAN JUAN PUERTO RICO MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 21 MPH...33 KM/H MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of the Netherlands has discontinued the Tropical Storm Warning for Saba and St. Eustatius. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Puerto Rico, Vieques and Culebra * U.S. Virgin Islands * British Virgin Islands * St. Maarten * St. Martin and St. Barthelemy * The northern coast of the Dominican Republic from Cabo Engano to the border with Haiti * The southern coast of the Dominican Republic from Cabo Engano to Punta Palenque * The northern coast of Haiti from Le Mole St. Nicholas to the border with the Dominican Republic * The southeastern Bahamas and the Turks and Caicos Islands A Tropical Storm Watch is in effect for... * The central Bahamas 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. Interests in Cuba should monitor the progress of Laura. Tropical Storm Warnings and Watches will likely be issued for portions of central and eastern Cuba later today. For storm information specific to your area in the United States, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. For storm information specific to your area outside of the United States, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 800 AM AST (1200 UTC), the center of Tropical Storm Laura was located near latitude 17.7 North, longitude 66.0 West. Laura is moving toward the west near 21 mph (33 km/h), and a generally west-northwestward motion is expected over the next few days. On the forecast track, the center of Laura will move near Puerto Rico this morning, near or over Hispaniola this afternoon and tonight, and near or over eastern Cuba Sunday and Sunday night. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Slow strengthening is expected during the next few days. Tropical-storm-force winds extend outward up to 205 miles (335 km) mainly to the north of the center. The estimated minimum central pressure based on surface observations is 1006 mb (29.71 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Laura is expected to produce 3 to 6 inches of rain over Puerto Rico and the Virgin Islands, the Dominican Republic, the southern Haitian Peninsula and eastern Cuba through Sunday. Maximum amounts up to 8 inches are possible along eastern portions and the southern slopes of Puerto Rico, as well as over Haiti, the Dominican Republic and eastern Cuba. This heavy rainfall could lead to flash and urban flooding, as well as an increased potential for mudslides with minor river flooding in Puerto Rico. 1 to 3 inches of rain with isolated maximum totals of 5 inches are expected over the northern Leeward Islands, the Turks and Caicos and southeast Bahamas. WIND: Tropical storm conditions are expected within portions of the warning area this morning through Sunday. Tropical storm conditions are possible within portions of the watch area Sunday night. SURF: Swells generated by Laura are affecting portions of the northern Leeward Islands. These swells are expected to spread across the northern coasts of Puerto Rico, Hispaniola and Cuba, and much of the Bahamas during the next few days. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Pasch
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Hurricane Genevieve Public Advisory Number 10A
2020-08-19 01:55:43| Tropical Depression LIDIA
...TROPICAL STORM CONDITIONS EXPECTED OVER BAJA CALIFORNIA SUR ON WEDNESDAY... Location: 19.0°N 108.8°W Max sustained: 125 mph Moving: NW at 12 mph Min pressure: 953 mb Issued at 600 PM MDT Tue Aug 18 2020
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