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Tropical Storm Delta Public Advisory Number 23
2020-10-10 10:35:26| National Hurricane Center (Atlantic)
Issued at 400 AM CDT Sat Oct 10 2020 000 WTNT31 KNHC 100835 TCPAT1 BULLETIN Tropical Storm Delta Advisory Number 23 NWS National Hurricane Center Miami FL AL262020 400 AM CDT Sat Oct 10 2020 ...DELTA CONTINUES MOVING INLAND... ...HEAVY RAINS AND TROPICAL STORM FORCE WINDS CONTINUE NEAR ITS PATH... SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...31.8N 91.8W ABOUT 45 MI...70 KM SSE OF MONROE LOUISIANA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...NNE OR 25 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...990 MB...29.24 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Storm Surge Warning has been discontinued from Cameron to Port Fourchon, Louisiana, including Vermilion Bay. The Tropical Storm Warning along the coast from High Island Texas to the mouth of the Pearl River, including New Orleans, Lake Pontchartrain and Lake Maurepas has been discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: No coastal watches and warnings are in effect. 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 Storm Delta was located near latitude 31.8 North, longitude 91.8 West. Delta is moving toward the north-northeast near 16 mph (26 km/h). A motion toward the northeast is expected to begin later today and continue through Sunday night. On the forecast track, the center of Delta should move across northeastern Louisiana this morning and then across northern Mississippi and into the Tennessee Valley later today and Sunday. Maximum sustained winds have decreased to near 45 mph (75 km/h) with higher gusts. Additional weakening is forecast, and Delta is expected to become a tropical depression later today. Tropical-storm-force winds extend outward up to 90 miles (150 km) from the center. A sustained wind of 39 mph (63 km/h) with a gust to 63 mph (102 km/h) was recently reported in Alexandria, Louisiana. A sustained wind of 37 mph (59 mph) with a gust to 63 mph (102 km/h) was recently observed in Monroe, Louisiana. The estimated minimum central pressure based on surface observations is 990 mb (29.24 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Delta can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT1, WMO header WTNT41 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT1.shtml. STORM SURGE: Water levels will continue to subside today along the Louisiana coast. Consult products issued by your local National Weather Service forecast office for additional information. RAINFALL: For northern Louisiana, southeast Arkansas, and western Mississippi, Delta is expected to produce an additional 2 to 5 inches of rain, with isolated storm totals of 10 inches. These rainfall amounts will lead to flash, urban, small stream, and minor river flooding. As the remnants of Delta move further inland, 1 to 3 inches of rain, with locally higher amounts, are expected in the Tennessee Valley and Mid Atlantic through the weekend. There is a potential for 3 to 6 inches in the Southern Appalachians, which could lead to flash, urban, small stream, along with isolated minor river flooding. TORNADOES: A few tornadoes are possible today and tonight across eastern Mississippi, Alabama, the Florida Panhandle, and western/central Georgia. SURF: Swells from Delta are gradually subsiding along the northern Gulf coast. Please consult products from your local weather office for additional information. NEXT ADVISORY ------------- Next intermediate advisory at 700 AM CDT. Next complete advisory at 1000 AM CDT. $$ Forecaster Cangialosi/Zelinsky
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