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Storm Prediction Center
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SPC Severe Thunderstorm Watch 440
WW 440 SEVERE TSTM IA IL IN WI LM 052135Z - 060500Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 440 NWS Storm Prediction Center Norman OK 435 PM CDT Tue Jul 5 2022 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northeast Iowa Northern Illinois Northwest Indiana Southern Wisconsin Lake Michigan * Effective this Tuesday afternoon from 435 PM until Midnight CDT. * Primary threats include... Scattered damaging winds and isolated significant gusts to 80 mph likely Scattered large hail and isolated very large hail events to 2 inches in diameter possible SUMMARY...Thunderstorms are developing along a weak boundary. These storms will pose a risk of large hail and damaging winds late this afternoon. A fast-moving bow echo over northwest Iowa will approach parts of the watch area by early evening, resulting in an increased risk of widespread damaging wind gusts and some hail. The severe thunderstorm watch area is approximately along and 55 statute miles north and south of a line from 20 miles west northwest of Waterloo IA to 35 miles north of Valparaiso IN. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU0). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 437...WW 438...WW 439... AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 70 knots. A few cumulonimbi with maximum tops to 550. Mean storm motion vector 28030. ...HartRead more -
SPC Severe Thunderstorm Watch 439
WW 439 SEVERE TSTM MT 052100Z - 060400Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 439 NWS Storm Prediction Center Norman OK 300 PM MDT Tue Jul 5 2022 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Central to northeast Montana * Effective this Tuesday afternoon and evening from 300 PM until 1000 PM MDT. * Primary threats include... Scattered damaging winds and isolated significant gusts to 75 mph possible Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible SUMMARY...Multiple supercells should spread northeast from central into northeast Montana this evening with a threat for large hail and severe wind gusts. The severe thunderstorm watch area is approximately along and 80 statute miles north and south of a line from 55 miles east of Wolf Point MT to 10 miles south of Harlowton MT. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU9). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 436...WW 437...WW 438... AVIATION...A few severe thunderstorms with hail surface and aloft to 2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 25035. ...GramsRead more -
SPC Severe Thunderstorm Watch 438
WW 438 SEVERE TSTM IA MN NE 052050Z - 060300Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 438 NWS Storm Prediction Center Norman OK 350 PM CDT Tue Jul 5 2022 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Western and central Iowa Southwest to south-central Minnesota Eastern Nebraska * Effective this Tuesday afternoon and evening from 350 PM until 1000 PM CDT. * Primary threats include... Scattered damaging winds and isolated significant gusts to 80 mph likely Isolated very large hail events to 2 inches in diameter possible A tornado or two possible SUMMARY...Long-lived bowing MCS across southeast South Dakota will spread east-southeast across parts of eastern Nebraska, western and central Iowa and far southern Minnesota with severe wind gusts. Additional cells ahead of it will pose a threat for hail and wind. The severe thunderstorm watch area is approximately along and 90 statute miles north and south of a line from 35 miles west of Denison IA to 40 miles southeast of Mason City IA. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU8). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 436...WW 437... AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 70 knots. A few cumulonimbi with maximum tops to 600. Mean storm motion vector 29040. ...GramsRead more -
SPC Severe Thunderstorm Watch 437
WW 437 SEVERE TSTM IA MN NE SD 051840Z - 060000Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 437 NWS Storm Prediction Center Norman OK 140 PM CDT Tue Jul 5 2022 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northwest Iowa Southwest Minnesota Northern Nebraska Far southeast South Dakota * Effective this Tuesday afternoon and evening from 140 PM until 700 PM CDT. * Primary threats include... Widespread damaging winds and isolated significant gusts to 90 mph likely Isolated large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...Long-lived bowing line segment will move east-southeast across the rest of southeast South Dakota into portions of Minnesota and Iowa. Trailing outflow will also potentially produce severe wind gusts into portions of northern Nebraska. The severe thunderstorm watch area is approximately along and 80 statute miles east and west of a line from 45 miles north northeast of Worthington MN to 40 miles west southwest of Norfolk NE. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU7). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 436... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 80 knots. A few cumulonimbi with maximum tops to 600. Mean storm motion vector 29040. ...GramsRead more -
SPC Severe Thunderstorm Watch 440 Status Reports
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