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Tropical Depression Delta Public Advisory Number 24
2020-10-10 16:41:27| National Hurricane Center (Atlantic)
Issued at 1000 AM CDT Sat Oct 10 2020 000 WTNT31 KNHC 101441 TCPAT1 BULLETIN Tropical Depression Delta Advisory Number 24 NWS National Hurricane Center Miami FL AL262020 1000 AM CDT Sat Oct 10 2020 ...DELTA WEAKENS TO A DEPRESSION OVER WESTERN MISSISSIPPI... ...HEAVY RAIN THREAT CONTINUES... SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...33.1N 90.8W ABOUT 65 MI...105 KM NNW OF JACKSON MISSISSIPPI MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...NE OR 35 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...994 MB...29.36 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1000 AM CDT (1500 UTC), the center of Tropical Depression Delta was located near latitude 33.1 North, longitude 90.8 West. The depression is moving toward the northeast near 16 mph (26 km/h), and this motion is expected to continue with a decrease in forward speed through Sunday night. On the forecast track, the center of Delta should move across western and northern Mississippi today and into the Tennessee Valley tonight and Sunday. Maximum sustained winds have decreased to near 35 mph (55 km/h) with higher gusts. Additional weakening is expected, and Delta is expected to decay to a remnant low pressure area on Sunday. Greenwood, Mississippi, recently reported a wind gust of 43 mph (69 km/h), and an automated station near Monticello, Arkansas, recently reported a wind gust of 41 mph (66 km/h). The minimum central pressure estimated from surface observations is 994 mb (29.36 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. WIND: Wind gusts to tropical-storm force are possible this afternoon over portions of northern Mississippi and southeastern Arkansas. 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 eastern Arkansas and northern Mississippi, Delta is expected to produce an additional 2 to 4 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 northern Alabama and the Tennessee Valley into the Mid-Atlantic through the weekend. There is a potential for 3 to 6 inches in the Southern to Central Appalachians, which could lead to flash, urban, small stream, along with isolated minor river flooding. TORNADOES: A few tornadoes are possible across parts of Alabama, the Florida Panhandle, and western Georgia through early tonight. 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 ------------- This is the last Public Advisory issued by the National Hurricane Center on this system. Future information on this system can be found in Public Advisories issued by the Weather Prediction Center beginning at 4 PM CDT, under AWIPS header TCPAT1, WMO header WTNT31 KWNH, and on the web at http://www.wpc.ncep.noaa.gov. $$ Forecaster Beven
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Tropical Storm Delta Graphics
2020-10-10 13:53:03| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Sat, 10 Oct 2020 11:53:03 GMT Wind Speed Probabilities last updated Sat, 10 Oct 2020 09:24:36 GMT
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Summary for Tropical Storm Delta (AT1/AL262020)
2020-10-10 13:51:57| National Hurricane Center (Atlantic)
...DELTA NOW OVER NORTHEASTERN LOUISIANA... ...HEAVY RAINS AND TROPICAL STORM FORCE WINDS CONTINUE NEAR ITS PATH... As of 7:00 AM CDT Sat Oct 10 the center of Delta was located near 32.6, -91.3 with movement NNE at 16 mph. The minimum central pressure was 992 mb with maximum sustained winds of about 40 mph.
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Tropical Storm Delta Public Advisory Number 23A
2020-10-10 13:51:57| National Hurricane Center (Atlantic)
Issued at 700 AM CDT Sat Oct 10 2020 000 WTNT31 KNHC 101151 TCPAT1 BULLETIN Tropical Storm Delta Intermediate Advisory Number 23A NWS National Hurricane Center Miami FL AL262020 700 AM CDT Sat Oct 10 2020 ...DELTA NOW OVER NORTHEASTERN LOUISIANA... ...HEAVY RAINS AND TROPICAL STORM FORCE WINDS CONTINUE NEAR ITS PATH... SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...32.6N 91.3W ABOUT 45 MI...70 KM E OF MONROE LOUISIANA MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...NNE OR 25 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...992 MB...29.29 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. 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 700 AM CDT (1200 UTC), the center of Tropical Storm Delta was located near latitude 32.6 North, longitude 91.3 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 40 mph (65 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. Hawkins Field in Jackson, Mississippi recently reported a wind gust of 51 mph (81 km/h). The estimated minimum central pressure based on surface observations is 992 mb (29.29 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 complete advisory at 1000 AM CDT. $$ Forecaster Beven
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Tropical Storm Delta Forecast Discussion Number 23
2020-10-10 10:36:02| National Hurricane Center (Atlantic)
Issued at 400 AM CDT Sat Oct 10 2020 000 WTNT41 KNHC 100835 TCDAT1 Tropical Storm Delta Discussion Number 23 NWS National Hurricane Center Miami FL AL262020 400 AM CDT Sat Oct 10 2020 Delta continues to track north-northeastward across Louisiana bringing tropical-storm-force winds and heavy rains to portions of Louisiana, Mississippi, and Arkansas. Doppler radar images show that the storm is asymmetric, with most of the heavy rains occurring on the north side of the circulation. Based on surface observations, the initial intensity is lowered to 40 kt for this advisory. Continued weakening is forecast, and Delta should become a tropical depression later today, and dissipate entirely in a couple of days. The tropical storm is moving north-northeastward at 14 kt. A bend to the northeast is expected to occur later today, and that motion should continue until the system opens into a trough in 48 to 60 hours. Even though Delta is forecast to dissipate over or near Kentucky, the moisture associated with its remnants will continue northeastward and move across the mid-Atlantic and northeast U.S. early next week. Key Messages: 1. 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. 2. Tropical-storm-force winds will persist for a few more hours near the path of Deltas center. 3. Heavy rainfall will lead to flash flooding and minor river flooding across portions of the Lower Mississippi and Tennessee Valleys today, and into the Southern Appalachians through Sunday. Minor to major river flooding will continue across portions of Louisiana and Mississippi though much of next week. FORECAST POSITIONS AND MAX WINDS INIT 10/0900Z 31.8N 91.8W 40 KT 45 MPH...INLAND 12H 10/1800Z 33.2N 90.6W 30 KT 35 MPH...INLAND 24H 11/0600Z 34.4N 88.8W 25 KT 30 MPH...INLAND 36H 11/1800Z 36.0N 86.6W 20 KT 25 MPH...POST-TROP/REMNT LOW 48H 12/0600Z 38.2N 83.7W 20 KT 25 MPH...POST-TROP/REMNT LOW 60H 12/1800Z...DISSIPATED $$ Forecaster Cangialosi
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