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| #1004220 (Received by flhurricane at: 4:54 AM 08.Jun.2020) TCPAT3 BULLETIN Tropical Depression Cristobal Advisory Number 27 NWS National Hurricane Center Miami FL AL032020 400 AM CDT Mon Jun 08 2020 ...CRISTOBAL WEAKENS TO A TROPICAL DEPRESSION AS IT MOVES FARTHER INLAND... ...HEAVY RAINFALL AND STORM SURGE CONTINUE ALONG THE GULF COAST FROM SOUTHEASTERN LOUISIANA EASTWARD TO THE FLORIDA PANHANDLE... SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...31.0N 91.2W ABOUT 40 MI...65 KM N OF BATON ROUGE LOUISIANA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...NNW OR 330 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...994 MB...29.36 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: All Tropical Storm Warnings are discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Mouth of the Mississippi River to Ocean Springs Mississippi * Lake Borgne A Storm Surge Warning means there is a danger of life-threatening inundation, from rising water moving inland from the coastline. 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. 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 400 AM CDT (0900 UTC), the center of Tropical Depression Cristobal was located near latitude 31.0 North, longitude 91.2 West. The depression is moving toward the north-northwest near 10 mph (17 km/h) and this motion should continue with some increase in forward speed today. A turn toward the north is expected tonight, followed by a north-northeast motion and a faster forward speed Tuesday through Wednesday. On the forecast track, the center of Cristobal should move through southwestern Mississippi and northeastern Louisiana today, through Arkansas and eastern Missouri tonight and Tuesday, and reach Wisconsin and the western Great Lakes by Wednesday. Maximum sustained winds have decreased to near 35 mph (55 km/h) with higher gusts. Additional weakening is expected through Tuesday. However, Cristobal is expected to strengthen some as it becomes an extratropical low Tuesday night and Wednesday. The estimated minimum central pressure based on surface observations is 994 mb (29.36 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Cristobal can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3, WMO header WTNT43 KNHC, and on the web at https://www.hurricanes.gov/text/MIATCDAT3.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 MS including Lake Borgne...3-5 ft Morgan City LA to Mouth of the Mississippi River...1-3 ft Ocean Springs MS to Okaloosa/Walton County Florida line, including Mobile Bay and Pensacola Bay...1-3 ft The deepest water will occur along the immediate coast in areas of onshore winds and will likely extend along the coast well to the east of the center. 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: Wind gusts to tropical-storm force are expected this morning over portions of the northern Gulf coast from southeastern Louisiana to the western Florida Panhandle. Gusty winds could also occur Tuesday night and Wednesday over portions of the Midwest and western Great Lakes as Cristobal becomes an extratropical low. RAINFALL: Cristobal is expected to produce storm total rainfall accumulations of 5 to 10 inches across portions of the central to eastern Gulf Coast into the Lower Mississippi Valley, with isolated amounts to 15 inches. Rainfall totals of 2 to 4 inches with local amounts to 6 inches are expected across portions of the Mid to Upper Mississippi Valley and Northern Plains near and in advance of Cristobal. This rainfall has led to flash flooding and forecast widespread river flooding across portions of the central Gulf Coast into the Lower Mississippi Valley. Smaller streams across southeast LA and southern MS have begun to rise and are forecast to crest mid-week. New and renewed significant river flooding is possible across the mid and upper Mississippi Valley. TORNADOES: Isolated tornadoes are possible today and tonight across Mississippi, Alabama, southeastern Louisiana, eastern Arkansas, western Tennessee, and southeastern Missouri. SURF: Swells generated by Cristobal will affect portions of the northern and eastern 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 intermediate advisory at 700 AM CDT. Next complete advisory at 1000 AM CDT. $$ Forecaster Beven |
