SPC
SPC Severe Thunderstorm Watch 253
WW 253 SEVERE TSTM MT ND SD 171930Z – 180200Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 253 NWS Storm Prediction Center Norman OK 130 PM MDT Fri May 17 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Eastern Montana Western and Central North Dakota Northwest South Dakota * Effective this Friday afternoon and evening from 130 PM until 800 PM MDT. * 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 SUMMARY...Scattered thunderstorms will develop and spread across the watch area through the afternoon and early evening. The strongest cells will pose a risk of locally damaging wind gusts. The severe thunderstorm watch area is approximately along and 95 statute miles north and south of a line from 15 miles northwest of Miles City MT to 80 miles northeast of Bismarck ND. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU3). 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. && 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 450. Mean storm motion vector 27035. ...Hart
SPC – No watches are valid as of Fri May 17 08:02:02 UTC 2024
No watches are valid as of Fri May 17 08:02:02 UTC 2024.
SPC Tornado Watch 252
WW 252 TORNADO AL MS CW 170350Z – 170800Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 252 NWS Storm Prediction Center Norman OK 1050 PM CDT Thu May 16 2024 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Southern Alabama Southern Mississippi Coastal Waters * Effective this Thursday night and Friday morning from 1050 PM until 300 AM CDT. * Primary threats include... A couple tornadoes possible Isolated damaging wind gusts to 70 mph possible SUMMARY...A severe squall line over southeast Louisiana will continue east and move into the Watch area tonight. In addition to the risk for a couple of tornadoes, severe gusts (60-70 mph) capable of wind damage may accompany the more intense thunderstorm cores and outflow surges in the squall line. The tornado watch area is approximately along and 30 statute miles north and south of a line from 35 miles west of Gulfport MS to 30 miles southeast of Mobile AL. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU2). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Tornado Watch means conditions are favorable for tornadoes and 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. && OTHER WATCH INFORMATION...CONTINUE...WW 250...WW 251... AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 27035. ...Smith
SPC Tornado Watch 251
WW 251 TORNADO LA CW 170055Z – 170800Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 251 NWS Storm Prediction Center Norman OK 755 PM CDT Thu May 16 2024 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Southeast Louisiana Coastal Waters * Effective this Thursday night and Friday morning from 755 PM until 300 AM CDT. * Primary threats include... A couple tornadoes possible Scattered damaging winds and isolated significant gusts to 75 mph possible Isolated large hail events to 1.5 inches in diameter possible SUMMARY...A broken squall line will move east into southeast Louisiana this evening and progress east across the Watch area tonight. In addition to the risk for a couple of tornadoes, severe gusts (60-75 mph) capable of wind damage may accompany the more intense portions of the squall line. The tornado watch area is approximately along and 65 statute miles north and south of a line from 5 miles north of Lafayette LA to 35 miles east of Boothville LA. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU1). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Tornado Watch means conditions are favorable for tornadoes and 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. && OTHER WATCH INFORMATION...CONTINUE...WW 249...WW 250... AVIATION...Tornadoes and 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 27035. ...Smith
SPC Severe Thunderstorm Watch 250
WW 250 SEVERE TSTM NM TX 162000Z – 170400Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 250 NWS Storm Prediction Center Norman OK 300 PM CDT Thu May 16 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southeast New Mexico West Texas into the Edwards Plateau * Effective this Thursday afternoon and evening from 300 PM until 1100 PM CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter possible Scattered damaging wind gusts to 70 mph possible SUMMARY...Thunderstorms will increase in coverage and intensity through the afternoon/evening while spreading from southeast New Mexico into west Texas and the Edwards Plateau. The main threats will be large hail up to 2 inches in diameter with the more discrete supercells, while severe outflow winds of 60-70 mph will be possible as storms grow upscale into one or more line segments. The severe thunderstorm watch area is approximately along and 60 statute miles north and south of a line from 60 miles west southwest of Hobbs NM to 60 miles northeast of Junction TX. 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 248...WW 249... 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 500. Mean storm motion vector 29025. ...Thompson
