SPC
SPC Severe Thunderstorm Watch 301
WW 301 SEVERE TSTM IA IL WI LM 241105Z – 241800Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 301 NWS Storm Prediction Center Norman OK 605 AM CDT Fri May 24 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Eastern and northeastern Iowa Northern Illinois Southwestern Wisconsin Lake Michigan * Effective this Friday morning and afternoon from 605 AM until 100 PM CDT. * Primary threats include... Scattered damaging winds likely with isolated significant gusts to 75 mph possible Isolated large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...A well-organized squall line, preceded by isolated strong-severe thunderstorms, should continue to move across Iowa and the Mississippi River into adjoining parts of Illinois and southwestern Wisconsin through midday. Damaging to severe gusts should continue, along with a threat for a brief/embedded tornado or two. The severe thunderstorm watch area is approximately along and 70 statute miles north and south of a line from 20 miles west of Moline IL to 55 miles east northeast of Marseilles IL. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU1). 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 300... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 26040. ...Edwards
SPC Severe Thunderstorm Watch 300
WW 300 SEVERE TSTM IA MO 240740Z – 241500Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 300 NWS Storm Prediction Center Norman OK 240 AM CDT Fri May 24 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Central and eastern Iowa Northern Missouri * Effective this Friday morning from 240 AM until 1000 AM CDT. * Primary threats include... Scattered damaging winds likely with isolated significant gusts to 80 mph possible Isolated large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...A severe MCS -- initially over portions of eastern NE and northeastern KS -- should proceed eastward across the watch area through the morning, offering swaths of severe gusts as the main hazard, and the potential for a couple embedded tornadoes and isolated hail. The severe thunderstorm watch area is approximately along and 85 statute miles east and west of a line from 15 miles west of Kirksville MO to 40 miles northeast of Fort Dodge IA. 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 297...WW 298...WW 299... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A few cumulonimbi with maximum tops to 550. Mean storm motion vector 27040. ...Edwards
SPC Severe Thunderstorm Watch 299
WW 299 SEVERE TSTM IA KS MO NE 240635Z – 241300Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 299 NWS Storm Prediction Center Norman OK 135 AM CDT Fri May 24 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southwestern Iowa Northeastern Kansas Northwestern Missouri Southeastern Nebraska * Effective this Friday morning from 135 AM until 800 AM CDT. * Primary threats include... Scattered damaging winds and isolated significant gusts to 80 mph possible Isolated large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...The southern part of a well-organized and sporadically severe squall line should cross the watch area through the pre-dawn hours. Severe-gust swaths and downbursts are the main concern, with a brief/embedded tornado and/or isolated severe hail also possible. The severe thunderstorm watch area is approximately along and 50 statute miles east and west of a line from 55 miles south southwest of Beatrice NE to 30 miles northeast of Shenandoah IA. 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 297...WW 298... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A few cumulonimbi with maximum tops to 550. Mean storm motion vector 27040. ...Edwards
SPC Severe Thunderstorm Watch 298
WW 298 SEVERE TSTM AR OK TX 240340Z – 241000Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 298 NWS Storm Prediction Center Norman OK 1040 PM CDT Thu May 23 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Extreme southwest Arkansas South central and southeast Oklahoma Northeast Texas * Effective this Thursday night and Friday morning from 1040 PM until 500 AM CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter possible Isolated damaging wind gusts to 70 mph possible SUMMARY...Slightly elevated storms will continue to increase through the overnight hours and spread eastward near the Red River, with the potential for both supercells with large hail up to 2 inches in diameter, and some upscale growth into a small cluster with 60-70 mph outflow gusts. The severe thunderstorm watch area is approximately along and 55 statute miles north and south of a line from 30 miles west of Ardmore OK to 30 miles east southeast of De Queen AR. 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 294...WW 295...WW 297... AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 550. Mean storm motion vector 27025. ...Thompson
SPC Severe Thunderstorm Watch 297
WW 297 SEVERE TSTM IA KS NE SD 240145Z – 240900Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 297 NWS Storm Prediction Center Norman OK 845 PM CDT Thu May 23 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Western Iowa Extreme northern Kansas Central and eastern Nebraska Extreme southeast South Dakota * Effective this Thursday night and Friday morning from 845 PM until 400 AM CDT. * Primary threats include... Widespread damaging winds and isolated significant gusts to 85 mph likely Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible A tornado or two possible SUMMARY...An intense storm cluster with embedded supercells in central Nebraska is expected to grow upscale into a larger bowing line overnight, with an accompanying threat for swaths of severe wind (60-85 mph). The initial supercells could produce isolated very large hail up to 2-2.5 inches in diameter, and a tornado or two will be possible with embedded circulations. The severe thunderstorm watch area is approximately along and 100 statute miles east and west of a line from 35 miles north northwest of Sioux City IA to 60 miles east southeast of Mccook 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 294...WW 295...WW 296... AVIATION...A few severe thunderstorms with hail surface and aloft to 2.5 inches. Extreme turbulence and surface wind gusts to 75 knots. A few cumulonimbi with maximum tops to 550. Mean storm motion vector 25040. ...Thompson