Watches and Warnings
SPC Severe Thunderstorm Watch 340
WW 340 SEVERE TSTM TX 280940Z – 281600Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 340 NWS Storm Prediction Center Norman OK 440 AM CDT Tue May 28 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of North central Texas * Effective this Tuesday morning from 440 AM until 1100 AM 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 likely SUMMARY...Clusters of storms, including embedded supercells, will likely persist through at least mid morning while moving south-southeastward toward the Dallas-Fort Worth Metroplex and areas farther south. Swaths of damage with 60-80 mph winds will be possible, especially on the west flank of embedded supercells. Large hail of 1-2 inches in diameter can also be expected with the more intense storms. The severe thunderstorm watch area is approximately along and 70 statute miles east and west of a line from 40 miles north of Fort Worth TX to 35 miles south of Corsicana 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 339... 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 32025. ...Thompson
SPC Severe Thunderstorm Watch 339
WW 339 SEVERE TSTM OK TX 280600Z – 281200Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 339 NWS Storm Prediction Center Norman OK 100 AM CDT Tue May 28 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southern Oklahoma Far north Texas * Effective this Tuesday morning from 100 AM until 700 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...Elevated storms, some with supercell structure, are likely to persist overnight over southern Oklahoma and adjacent north Texas. Large hail of 1-2 inches in diameter will be the main threat initially, while there could be some increase in the damaging-wind threat closer to sunrise. The severe thunderstorm watch area is approximately along and 70 statute miles east and west of a line from 25 miles east northeast of Fort Sill OK to 60 miles west southwest of Sherman TX. 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. && 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 30020. ...Thompson
SPC – No watches are valid as of Tue May 28 05:02:02 UTC 2024
No watches are valid as of Tue May 28 05:02:02 UTC 2024.
SPC Severe Thunderstorm Watch 338
WW 338 SEVERE TSTM TX 280110Z – 280500Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 338 NWS Storm Prediction Center Norman OK 810 PM CDT Mon May 27 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of South Texas * Effective this Monday night from 810 PM until Midnight CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Isolated very large hail events to 2.5 inches in diameter possible SUMMARY...A cluster or two of severe thunderstorms will likely move across the Rio Grande into South Texas this evening. The stronger storms will be capable of severe gusts (60-70 mph) and large to very large hail (up to 2.5 inches in diameter). This activity will likely diminish by late evening into the early overnight. The severe thunderstorm watch area is approximately along and 45 statute miles east and west of a line from 10 miles north northwest of Cotulla TX to 15 miles west southwest of Mcallen TX. 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 334...WW 335...WW 336...WW 337... AVIATION...A few severe thunderstorms with hail surface and aloft to 2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 550. Mean storm motion vector 21030. ...Smith
SPC Severe Thunderstorm Watch 337
WW 337 SEVERE TSTM AL FL CW 272210Z – 280300Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 337 NWS Storm Prediction Center Norman OK 510 PM CDT Mon May 27 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southern Alabama Western Florida Panhandle Coastal Waters * Effective this Monday afternoon and evening from 510 PM until 1000 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...A couple of clusters of strong to severe thunderstorms will likely continue to develop late this afternoon into the evening. The stronger storms will potentially yield a risk for large hail and strong to severe gusts (55-70 mph) capable of wind damage. The severe thunderstorm watch area is approximately along and 65 statute miles north and south of a line from 15 miles northwest of Mobile AL to 30 miles south southeast of Troy AL. 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 333...WW 334...WW 335...WW 336... 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 27020. ...Smith
