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Tropical Storm Zeta Forecast Advisory Number 13
2020-10-27 21:40:21| National Hurricane Center (Atlantic)
Issued at 2100 UTC TUE OCT 27 2020 000 WTNT23 KNHC 272040 TCMAT3 TROPICAL STORM ZETA FORECAST/ADVISORY NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL AL282020 2100 UTC TUE OCT 27 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE STORM SURGE WARNING FROM INTRACOASTAL CITY LOUISIANA TO THE MOUTH OF THE ATCHAFALAYA RIVER HAS BEEN DISCONTINUED. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WARNING IS IN EFFECT FOR... * MOUTH OF THE ATCHAFALAYA RIVER TO NAVARRE FLORIDA * LAKE BORGNE...LAKE PONTCHARTRAIN...PENSACOLA BAY AND MOBILE BAY A HURRICANE WARNING IS IN EFFECT FOR... * MORGAN CITY LOUISIANA TO THE MISSISSIPPI/ALABAMA BORDER * LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND METROPOLITAN NEW ORLEANS A TROPICAL STORM WARNING IS IN EFFECT FOR... * MISSISSIPPI/ALABAMA BORDER TO OKALOOSA/WALTON COUNTY LINE FLORIDA A TROPICAL STORM WATCH IS IN EFFECT FOR... * WEST OF MORGAN CITY TO INTRACOASTAL CITY LOUISIANA 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. A WARNING IS TYPICALLY ISSUED 36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM- FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. 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 TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. TROPICAL STORM CENTER LOCATED NEAR 22.7N 90.3W AT 27/2100Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT 12 KT ESTIMATED MINIMUM CENTRAL PRESSURE 984 MB MAX SUSTAINED WINDS 55 KT WITH GUSTS TO 65 KT. 50 KT....... 70NE 70SE 20SW 40NW. 34 KT.......120NE 120SE 60SW 70NW. 12 FT SEAS..180NE 60SE 30SW 60NW. 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 22.7N 90.3W AT 27/2100Z AT 27/1800Z CENTER WAS LOCATED NEAR 22.2N 90.0W FORECAST VALID 28/0600Z 24.5N 91.3W MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 30NE 20SE 0SW 0NW. 50 KT... 70NE 70SE 20SW 40NW. 34 KT...120NE 120SE 60SW 70NW. FORECAST VALID 28/1800Z 27.9N 91.0W MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 25NE 20SE 0SW 0NW. 50 KT... 60NE 60SE 20SW 30NW. 34 KT...120NE 120SE 60SW 60NW. FORECAST VALID 29/0600Z 32.4N 87.8W...INLAND MAX WIND 45 KT...GUSTS 55 KT. 34 KT...100NE 100SE 50SW 50NW. FORECAST VALID 29/1800Z 37.2N 81.3W...POST-TROP/EXTRATROP MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 30/0600Z 40.0N 70.5W...POST-TROP/EXTRATROP MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 0NE 200SE 200SW 0NW. FORECAST VALID 30/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 22.7N 90.3W INTERMEDIATE PUBLIC ADVISORY...WTNT33 KNHC/MIATCPAT3...AT 28/0000Z NEXT ADVISORY AT 28/0300Z $$ FORECASTER PASCH
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Summary for Tropical Storm Zeta (AT3/AL282020)
2020-10-27 18:47:10| National Hurricane Center (Atlantic)
...ZETA MOVING OVER THE SOUTHERN GULF OF MEXICO... ...EXPECTED TO REGAIN HURRICANE STRENGTH LATER TODAY... As of 1:00 PM CDT Tue Oct 27 the center of Zeta was located near 22.1, -90.1 with movement NW at 14 mph. The minimum central pressure was 985 mb with maximum sustained winds of about 65 mph.
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Tropical Storm Zeta Public Advisory Number 12A
2020-10-27 18:47:10| National Hurricane Center (Atlantic)
Issued at 100 PM CDT Tue Oct 27 2020 000 WTNT33 KNHC 271747 TCPAT3 BULLETIN Tropical Storm Zeta Intermediate Advisory Number 12A NWS National Hurricane Center Miami FL AL282020 100 PM CDT Tue Oct 27 2020 ...ZETA MOVING OVER THE SOUTHERN GULF OF MEXICO... ...EXPECTED TO REGAIN HURRICANE STRENGTH LATER TODAY... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...22.1N 90.1W ABOUT 485 MI...785 KM S OF THE MOUTH OF THE MISSISSIPPI RIVER MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...985 MB...29.09 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of Mexico has discontinued all Tropical Storm Warnings for the Yucatan Peninsula. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Intracoastal City Louisiana to Navarre Florida * Lake Borgne, Lake Pontchartrain, Vermilion Bay, Pensacola Bay, and Mobile Bay A Hurricane Warning is in effect for... * Morgan City Louisiana to the Mississippi/Alabama border * Lake Pontchartrain, Lake Maurepas, and Metropolitan New Orleans A Tropical Storm Warning is in effect for... * Mississippi/Alabama border to Okaloosa/Walton County Line Florida A Tropical Storm Watch is in effect for... * West of Morgan City to Intracoastal City Louisiana 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. A warning is typically issued 36 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous. 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 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 100 PM CDT (1800 UTC), the center of Tropical Storm Zeta was located near latitude 22.1 North, longitude 90.1 West. Zeta is moving toward the northwest near 14 mph (22 km/h), and this general motion is forecast to continue today. Zeta should turn toward the north tonight, and a faster northward to north-northeastward motion is expected on Wednesday. On the forecast track, the center of Zeta will move over the southern Gulf of Mexico today and over the central Gulf of Mexico tonight. Zeta is forecast to approach the northern Gulf Coast on Wednesday, make landfall within the hurricane warning area late Wednesday or Wednesday night, and move inland across the southeastern United States early Thursday. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Zeta is forecast to re-strengthen while it moves over the southern Gulf of Mexico, and become a hurricane again later today. Zeta is forecast to be at or near hurricane strength when it reaches the northern Gulf Coast late Wednesday. Tropical-storm-force winds extend outward up to 140 miles (220 km) from the center. The estimated minimum central pressure is 985 mb (29.09 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Zeta can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3, WMO header WTNT43 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT3.shtml. STORM SURGE: Along the northern Gulf Coast, 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 Pearl River to Dauphin Island AL...5-8 ft Port Fourchon LA to the Mouth of the Pearl River including Lake Borgne...4-6 ft Dauphin Island AL to AL/FL border including Mobile Bay...3-5 ft Intracoastal City LA to Port Fourchon LA including Vermilion Bay...2-4 ft AL/FL border to Navarre FL including Pensacola Bay...2-4 ft Lake Pontchartrain...2-4 ft Navarre FL to Yankeetown FL including Choctawhatchee Bay and Saint Andrew Bay...1-3 ft The deepest water will occur along the immediate coast near and to the right 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. Water levels along the coast of the Yucatan Peninsula of Mexico will gradually subside today as Zeta moves away from the area. WIND: Hurricane conditions are expected within the Hurricane Warning area on the northern Gulf Coast late Wednesday, with tropical storm conditions beginning Wednesday afternoon. Tropical storm conditions are expected within the Tropical Storm Warning area on the northern Gulf coast by late Wednesday, and tropical storm conditions are possible within the Tropical Storm Watch area late Wednesday. Damaging winds, especially in gusts, will spread well inland across portions of southeast Mississippi and southern Alabama Wednesday night. RAINFALL: Rainfall totals of 4 to 8 inches with local amounts of 12 inches are possible through today across the Yucatan Peninsula of Mexico and the Cayman Islands. An additional 1 to 3 inches of rain will be possible across western Cuba through Tuesday. An initial area of heavy rains will begin to impact the central Gulf Coast tonight, with the core of heavy rains spreading north into the Ohio Valley and Mid-Atlantic through Thursday, near and in advance of Zeta. Rainfall totals of 2 to 4 inches with isolated amounts of 6 inches are expected across these areas, resulting in flash, urban, small stream, and minor river flooding. TORNADOES: A few tornadoes are possible Wednesday and Wednesday night over southeastern Mississippi, southern Alabama, and the western Panhandle of Florida. NEXT ADVISORY ------------- Next complete advisory at 400 PM CDT. $$ Forecaster Pasch
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Tropical Storm Zeta Potential Storm Surge Flooding Map
2020-10-27 17:04:43| National Hurricane Center (Atlantic)
Potential Storm Surge Flooding Map last updated Tue, 27 Oct 2020 16:04:43 GMT
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Tropical Storm Zeta Probabilistic Storm Surge Graphics
2020-10-27 16:12:01| National Hurricane Center (Atlantic)
Probabilistic Storm Surge Graphics last updated Tue, 27 Oct 2020 15:12:01 GMT
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