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Tropical Storm Vicky Public Advisory Number 12
2020-09-17 04:33:37| National Hurricane Center (Atlantic)
Issued at 1100 PM AST Wed Sep 16 2020 000 WTNT31 KNHC 170233 TCPAT1 BULLETIN Tropical Storm Vicky Advisory Number 12 NWS National Hurricane Center Miami FL AL212020 1100 PM AST Wed Sep 16 2020 ...VICKY SHRINKING AND POISED TO WEAKEN TOMORROW... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...21.6N 35.8W ABOUT 860 MI...1390 KM WNW OF THE CABO VERDE ISLANDS MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM AST (0300 UTC), the center of Tropical Storm Vicky was located near latitude 21.6 North, longitude 35.8 West. Vicky is moving toward the west near 10 mph (17 km/h). This general motion is expected through Thursday morning, followed by a west-southwestward motion for a day or two after that. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Gradual weakening is anticipated, and Vicky is forecast to become a remnant low by late Thursday. Tropical-storm-force winds extend outward up to 35 miles (55 km) from the center. The estimated minimum central pressure is 1008 mb (29.77 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Zelinsky
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Tropical Storm Vicky Forecast Advisory Number 12
2020-09-17 04:33:08| National Hurricane Center (Atlantic)
Issued at 0300 UTC THU SEP 17 2020 280 WTNT21 KNHC 170233 TCMAT1 TROPICAL STORM VICKY FORECAST/ADVISORY NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL AL212020 0300 UTC THU SEP 17 2020 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL STORM CENTER LOCATED NEAR 21.6N 35.8W AT 17/0300Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE WEST OR 275 DEGREES AT 9 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1008 MB MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT. 34 KT....... 30NE 0SE 0SW 30NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 21.6N 35.8W AT 17/0300Z AT 17/0000Z CENTER WAS LOCATED NEAR 21.6N 35.4W FORECAST VALID 17/1200Z 21.6N 37.1W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 30NE 0SE 0SW 0NW. FORECAST VALID 18/0000Z 21.0N 39.0W...POST-TROP/REMNT LOW MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 18/1200Z 20.2N 40.6W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 19/0000Z 19.4N 42.3W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 19/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.6N 35.8W NEXT ADVISORY AT 17/0900Z $$ FORECASTER ZELINSKY
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Tropical Depression Sally Public Advisory Number 24
2020-09-17 04:33:08| National Hurricane Center (Atlantic)
Issued at 1000 PM CDT Wed Sep 16 2020 279 WTNT34 KNHC 170233 TCPAT4 BULLETIN Tropical Depression Sally Advisory Number 24 NWS National Hurricane Center Miami FL AL192020 1000 PM CDT Wed Sep 16 2020 ...SALLY STILL CAUSING TORRENTIAL RAINS OVER EASTERN ALABAMA AND WESTERN GEORGIA... SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...31.9N 86.1W ABOUT 30 MI...50 KM SSE OF MONTGOMERY ALABAMA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...NE OR 45 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...995 MB...29.39 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Tropical Storm Warning from the Okaloosa/Walton County Florida line eastward to Indian Pass Florida is discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings 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 1000 PM CDT (0300 UTC), the center of Tropical Depression Sally was located near latitude 31.9 North, longitude 86.1 West. The depression is moving toward the northeast near 9 mph (15 km/h), and a northeastward to east-northeastward motion at a faster forward speed is expected into Friday. On the forecast track, the center of Sally will move across southeastern Alabama tonight, over central Georgia on Thursday, and move over South Carolina Thursday night. Maximum sustained winds have decreased to near 35 mph (55 km/h) with higher gusts. Additional weakening is forecast during the next couple of days, and Sally is expected to become a remnant low on Friday. The estimated minimum central pressure is 995 mb (29.39 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Sally can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT4.shtml RAINFALL: Rainfall totals expected as Sally tracks across the Southeast through Friday: Southeast Alabama and central Georgia: 4 to 8 inches with isolated amounts of 12 inches, resulting in significant flash flooding and widespread minor to moderate and isolated major river flooding. Central to upstate South Carolina: 4 to 7 inches, with isolated amounts of 10 inches. Widespread flash flooding and minor to moderate river flooding is possible. Western to central North Carolina and far southeast Virginia: 4 to 6 inches, isolated amounts up to 8 inches. Scattered flash flooding and widespread minor river flooding is possible. Sally has produced storm totals of 10 to 20 inches, with isolated amounts of 30-35 inches, across the central Gulf Coast from the Florida Panhandle west of Tallahassee to Mobile Bay, Alabama. Most moderate to major river flooding will crest by the weekend, but rivers will remain elevated. STORM SURGE: Water levels remain elevated along the Florida Panhandle coast but will continue to recede over the next several hours. TORNADOES: A couple of tornadoes may occur overnight across southern Georgia and northern Florida. The threat of tornadoes will shift northeastward into eastern Georgia and much of the Carolinas on Thursday. SURF: Swells from Sally will continue to affect the Gulf Coast from the Florida Big Bend westward to southeastern Louisiana 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 AM CDT. $$ Forecaster Pasch
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Tropical Depression Sally Forecast Advisory Number 24
2020-09-17 04:31:42| National Hurricane Center (Atlantic)
Issued at 0300 UTC THU SEP 17 2020 000 WTNT24 KNHC 170231 TCMAT4 TROPICAL DEPRESSION SALLY FORECAST/ADVISORY NUMBER 24 NWS NATIONAL HURRICANE CENTER MIAMI FL AL192020 0300 UTC THU SEP 17 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE TROPICAL STORM WARNING FROM THE OKALOOSA/WALTON COUNTY FLORIDA LINE EASTWARD TO INDIAN PASS FLORIDA IS DISCONTINUED. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL DEPRESSION CENTER LOCATED NEAR 31.9N 86.1W AT 17/0300Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE NORTHEAST OR 45 DEGREES AT 8 KT ESTIMATED MINIMUM CENTRAL PRESSURE 995 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 31.9N 86.1W AT 17/0300Z AT 17/0000Z CENTER WAS LOCATED NEAR 31.5N 86.5W FORECAST VALID 17/1200Z 32.7N 85.0W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 18/0000Z 34.0N 82.5W...INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 18/1200Z 35.0N 79.0W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 19/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.9N 86.1W NEXT ADVISORY AT 17/0900Z $$ FORECASTER PASCH
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Tropical Storm Sally Public Advisory Number 23A
2020-09-17 01:51:36| National Hurricane Center (Atlantic)
Issued at 700 PM CDT Wed Sep 16 2020 000 WTNT34 KNHC 162351 TCPAT4 BULLETIN Tropical Storm Sally Intermediate Advisory Number 23A NWS National Hurricane Center Miami FL AL192020 700 PM CDT Wed Sep 16 2020 ...HEAVY RAINS FROM SALLY CONTINUE TO SPREAD NORTHWARD OVER EASTERN ALABAMA AND WESTERN GEORGIA... ...CATASTROPHIC AND LIFE-THREATENING FLOODING CONTINUES OVER PORTIONS OF THE FLORIDA PANHANDLE AND SOUTHERN ALABAMA... SUMMARY OF 700 PM CDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...31.5N 86.5W ABOUT 70 MI...110 KM WNW OF DOTHAN ALABAMA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...NE OR 35 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...994 MB...29.35 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Storm Surge Warning from the Alabama/Florida border to the Walton/Bay County Florida line is discontinued. The Tropical Storm Warning west of the Okaloosa/Walton County Florida line is discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Okaloosa/Walton County Florida line eastward to Indian Pass Florida A Tropical Storm Warning means that tropical storm conditions are occurring within the warning area. 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 PM CDT (0000 UTC), the center of Tropical Storm Sally was located near latitude 31.5 North, longitude 86.5 West. Sally is moving toward the northeast near 7 mph (11 km/h), and a northeastward motion at a slightly faster forward speed is expected tonight through Thursday night. On the forecast track, the center of Sally will move across southeastern Alabama tonight, over central Georgia on Thursday, and move over South Carolina Thursday night. Maximum sustained winds have decreased to near 45 mph (75 km/h) with higher gusts. Additional weakening is expected as the center moves farther inland tonight, and Sally is forecast to become a tropical depression tonight. Tropical-storm-force winds extend outward up to 125 miles (205 km) from the center. The estimated minimum central pressure is 994 mb (29.35 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Sally can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT4.shtml RAINFALL: Sally has produced storm totals of 10 to 20 inches, with isolated amounts of 30-35 inches, across the central Gulf Coast from the Florida Panhandle west of Tallahassee to Mobile Bay, Alabama. Historic and catastrophic flooding, including widespread moderate to major river flooding, will continue across this region. Additional rainfall of 1 to 4 inches is possible across the Florida Panhandle from Tallahassee to the Apalachicola River. Rainfall totals expected as Sally tracks across the Southeast through Friday: Southern Alabama and central Georgia: 4 to 8 inches with isolated amounts of 12 inches, resulting in significant flash flooding and widespread minor to moderate and isolated major river flooding. Central to upstate South Carolina: 4 to 7 inches, with isolated amounts of 10 inches. Widespread flash flooding and minor to moderate river flooding is possible. Western to central North Carolina and far southeast Virginia: 4 to 6 inches, isolated amounts up to 8 inches. Scattered flash flooding and widespread minor river flooding is possible. STORM SURGE: Water levels remain elevated along the Florida Panhandle coast but will continue to recede over the next several hours. WIND: Tropical storm conditions will continue in portions of the warning area this evening. TORNADOES: A few tornadoes may occur tonight across portions of northern Florida and southern Georgia. The threat of tornadoes will shift northeastward into parts of eastern Georgia and much of the Carolinas on Thursday. SURF: Swells from Sally will continue to affect the Gulf Coast from the Florida Big Bend westward to southeastern Louisiana 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 1000 PM CDT. $$ Forecaster Pasch
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