ZCZC NFDTCPAT2 ALL TTAA00 KWNH DDHHMM BULLETIN Post-Tropical Cyclone Beta Advisory Number 28 NWS Weather Prediction Center College Park MD AL222020 1000 AM CDT Thu Sep 24 2020 ...BETA ADVANCING EAST-NORTHEAST THROUGH MISSISSIPPI, WITH HEAVY RAINFALL SPREADING ACROSS THE TENNESSEE VALLEY... SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...32.9N 89.9W ABOUT 45 MI...70 KM NNE OF JACKSON MISSISSIPPI MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...ENE OR 66 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES WATCHES AND WARNINGS -------------------- Flash Flood Watches are currently in effect from central Mississippi through northern Alabama, and southern Middle Tennessee. DISCUSSION AND OUTLOOK ---------------------- At 1000 AM CDT (1500 UTC), the center of Post-Tropical Cyclone Beta was located near latitude 32.9 North, longitude 89.9 West. The post-tropical cyclone is moving toward the east-northeast near 17 mph (28 km/h) and this motion is expected to continue through tonight. Maximum sustained winds are near 30 mph (45 km/h) with higher gusts. Weakening is forecast during the next 36 hours, and Beta is expected to dissipate by Friday night. The estimated minimum central pressure is 1003 mb (29.62 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Rainfall totals of 2 to 4 inches are expected through early Friday from northeast Mississippi, across the Middle Tennessee Valley and into the southern Appalachians. Isolated flash and urban flooding is possible, as well as isolated minor river flooding on smaller rivers. Across the remainder of the Carolinas rainfall of 1 to 3 inches will be possible on Friday, potentially causing isolated flash, urban, and small stream flooding. TORNADOES: An isolated tornado or two are possible this afternoon across Southern Alabama. NEXT ADVISORY ------------- Next complete advisory at 400 PM CDT. $$ Forecaster Orrison FORECAST POSITIONS AND MAX WINDS INIT 24/1500Z 32.9N 89.9W 25 KT 30 MPH...POST-TROPICAL 12H 25/0000Z 33.8N 87.5W 20 KT 25 MPH...POST-TROP/EXTRATROP 24H 25/1200Z 35.0N 86.5W 15 KT 15 MPH...POST-TROP/EXTRATROP 36H 26/0000Z...DISSIPATED NNNN