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Atlantic Tropical Weather Outlook
2024-09-10 19:52:09| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 101752 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL Issued by the NWS Weather Prediction Center College Park MD 200 PM EDT Tue Sep 10 2024 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Active Systems: The National Hurricane Center is issuing advisories on Tropical Storm Francine, located in the western Gulf of Mexico offshore of northeastern Mexico. Central Tropical Atlantic (AL92): An elongated area of low pressure located over the central tropical Atlantic continues to produce some disorganized shower and thunderstorm activity. Environmental conditions appear only marginally conducive for some slight development during the next couple of days, but a tropical depression could still form during that time while the system moves westward at 5 to 10 mph over the central tropical Atlantic. * Formation chance through 48 hours...low...30 percent. * Formation chance through 7 days...low...30 percent. Eastern and Central Tropical Atlantic: A trough of low pressure over the eastern tropical Atlantic is producing a large but disorganized area of showers and thunderstorms from near the Cabo Verde Islands extending southwestward for several hundred miles. Environmental conditions appear favorable for gradual development of this system, and a tropical depression will likely form during the latter part of this week while the system moves west-northwestward at 10 to 15 mph. * Formation chance through 48 hours...medium...40 percent. * Formation chance through 7 days...high...80 percent. $$ Forecaster Gallina/Blake
Category:Transportation and Logistics
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Summary for Tropical Storm Francine (AT1/AL062024)
2024-09-10 19:42:30| National Hurricane Center (Atlantic)
...FRANCINE NOW MOVING NORTHEASTWARD ACROSS THE WESTERN GULF OF MEXICO... ...EXPECTED TO BECOME A HURRICANE THIS AFTERNOON OR TONIGHT... As of 1:00 PM CDT Tue Sep 10 the center of Francine was located near 25.3, -95.2 with movement NE at 9 mph. The minimum central pressure was 988 mb with maximum sustained winds of about 65 mph.
Category: Transportation and Logistics
Tropical Storm Francine Public Advisory Number 8A
2024-09-10 19:42:30| National Hurricane Center (Atlantic)
Issued at 100 PM CDT Tue Sep 10 2024 000 WTNT31 KNHC 101742 TCPAT1 BULLETIN Tropical Storm Francine Intermediate Advisory Number 8A NWS National Hurricane Center Miami FL AL062024 100 PM CDT Tue Sep 10 2024 ...FRANCINE NOW MOVING NORTHEASTWARD ACROSS THE WESTERN GULF OF MEXICO... ...EXPECTED TO BECOME A HURRICANE THIS AFTERNOON OR TONIGHT... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...25.3N 95.2W ABOUT 130 MI...210 KM ESE OF MOUTH OF THE RIO GRANDE ABOUT 380 MI...610 KM SW OF MORGAN CITY LOUISIANA MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...NE OR 35 DEGREES AT 9 MPH...14 KM/H MINIMUM CENTRAL PRESSURE...988 MB...29.18 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: All warnings and watches are discontinued for the Texas coast south of Matagorda to the mouth of the Rio Grande River. The Meteorological Service of Mexico has discontinued all warnings and watches for the northeastern coast of Mexico. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * High Island Texas to the Mississippi/Alabama Border * Vermilion Bay * Lake Maurepas * Lake Pontchartrain A Hurricane Warning is in effect for... * The Louisiana coast from Sabine Pass eastward to Grand Isle A Storm Surge Watch is in effect for... * Mississippi/Alabama Border to the Alabama/Florida Border * Mobile Bay A Tropical Storm Warning is in effect for... * Texas coast from High Island to Sabine Pass * East of Grand Isle Louisiana to the Mississippi/Alabama border, including metropolitan New Orleans * Lake Pontchartrain * Lake Maurepas A Tropical Storm Watch is in effect for... * Texas coast from Matagorda to High Island * The Alabama coast from the Mississippi/Alabama border to the Alabama/Florida border 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. 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. 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 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 100 PM CDT (1800 UTC), the center of Tropical Storm Francine was located near latitude 25.3 North, longitude 95.2 West. Francine is moving toward the northeast near 9 mph (14 km/h). A continued northeastward motion and a faster forward speed are expected later this afternoon and tonight. On the forecast track, Francine is anticipated to move away from the coast of northeastern Mexico and south Texas this afternoon, move across the northwestern Gulf of Mexico tonight, and then make landfall in Louisiana on Wednesday. After landfall, the center is expected to move into Mississippi on Wednesday night or Thursday. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Strengthening is expected through Wednesday morning, and Francine will likely become a hurricane later today or tonight. Francine is expected to weaken quickly after landfall. Tropical-storm-force winds extend outward up to 140 miles (220 km) from the center. The minimum central pressure reported by an Air Force Reserve Hurricane Hunter aircraft is 988 mb (29.18 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Storm Francine can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT1 and WMO header WTNT41 KNHC. WIND: Hurricane conditions are expected within the hurricane warning area on Wednesday. with tropical storm conditions arriving in the warning area by early Wednesday. Tropical Storm conditions are expected in the warning area along the coasts of Texas, Louisiana, and Mississippi Wednesday and Wednesday night. Tropical storm conditions are possible in the watch area along the Texas coast tonight and Wednesday, and they are also possible in the watch area on the Alabama coast on Wednesday and Wednesday night. Wind gusts to tropical-storm force could occur along portions of the coasts of South Texas and northeastern Mexico this afternoon. RAINFALL: Francine is expected to bring storm total rainfall of 4 to 8 inches, with local amounts to 12 inches across much of Louisiana and Mississippi through Friday morning. This rainfall could lead to considerable flash and urban flooding. For a complete depiction of forecast rainfall associated with Francine, please see the National Weather Service Storm Total Rainfall Graphic, available at hurricanes.gov/graphics_at1.shtml?rainqpf and the Flash Flood Risk graphic at hurricanes.gov/graphics_at1.shtml?ero. 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... Rockefeller Wildlife Refuge, LA to Port Fourchon, LA...5-10 ft Vermilion Bay...5-10 ft Port Fourchon, LA to Mouth of the Mississippi River, LA...4-7 ft Sabine Pass, TX to Rockefeller Wildlife Refuge, LA...3-5 ft Pointe a la Hache, LA to MS/AL Border...3-5 ft Lake Pontchartrain...3-5 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. Storm surge is not expected to pose a threat to the risk reduction system levees. However, there may be some overtopping of local levees. For information specific to your area, please see products issued by your local National Weather Service forecast office. For a complete depiction of areas at risk of storm surge inundation, please see the National Weather Service Peak Storm Surge Graphic, available at hurricanes.gov/graphics_at1.shtml?peakSurge. TORNADOES: A few tornadoes are possible Wednesday morning through Wednesday night over near-coastal areas of Louisiana, Mississippi, Alabama, and the Florida Panhandle. SURF: Swells generated by Francine are affecting portions of the coast of northeastern Mexico and southern Texas. These swells are expected to spread across the northwestern and northern Gulf of Mexico coastline during 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 400 PM CDT. $$ Forecaster Beven
Category: Transportation and Logistics