Watches and Warnings
SPC Severe Thunderstorm Watch 268
WW 268 SEVERE TSTM MI LM 202040Z – 210200Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 268 NWS Storm Prediction Center Norman OK 440 PM EDT Mon May 20 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Western and Central Lower Michigan Lake Michigan * Effective this Monday afternoon and evening from 440 PM until 1000 PM EDT. * Primary threats include... Isolated damaging wind gusts to 65 mph possible Isolated large hail events to 1.5 inches in diameter possible SUMMARY...Thunderstorms currently moving across Lake Michigan will spread into Lower Michigan soon. A few of the storms may pose a risk of locally damaging wind gusts and hail through early evening. The severe thunderstorm watch area is approximately along and 55 statute miles east and west of a line from 55 miles northeast of Muskegon MI to 15 miles southeast of Kalamazoo MI. 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 267... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 55 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 25030. ...Hart
SPC Severe Thunderstorm Watch 267
WW 267 SEVERE TSTM IL WI LM 201740Z – 202200Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 267 NWS Storm Prediction Center Norman OK 1240 PM CDT Mon May 20 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northern Illinois Southeast Wisconsin Lake Michigan * Effective this Monday afternoon from 1240 PM until 500 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 65 mph possible A tornado or two possible SUMMARY...Scattered thunderstorms are developing ahead of a low over southwest Wisconsin. These storms may pose a risk of hail and damaging wind gusts through the afternoon. There is also a small area of extreme southeast WI with a risk of a tornado or two. The severe thunderstorm watch area is approximately along and 60 statute miles north and south of a line from 15 miles west northwest of Janesville WI to 5 miles south southeast of Racine WI. 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. && AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 55 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 26030. ...Hart
SPC – No watches are valid as of Mon May 20 11:02:02 UTC 2024
No watches are valid as of Mon May 20 11:02:02 UTC 2024.
SPC Severe Thunderstorm Watch 266
WW 266 SEVERE TSTM OK 200440Z – 201100Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 266 NWS Storm Prediction Center Norman OK 1140 PM CDT Sun May 19 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northern into Northeast Oklahoma * Effective this Sunday night and Monday morning from 1140 PM until 600 AM 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...Scattered strong to severe thunderstorms will likely persist tonight and gradually develop east across the Watch area. A west to east oriented cluster of thunderstorms, occasionally containing a supercell or two, will potentially be capable of large hail and severe gusts. The severe thunderstorm watch area is approximately along and 35 statute miles north and south of a line from 45 miles southwest of Ponca City OK to 5 miles east of Grove OK. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU6). 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 262...WW 264...WW 265... 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 27025. ...Smith
SPC Severe Thunderstorm Watch 265 Status Reports
WW 0265 Status Updates 
STATUS REPORT ON WW 265 THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA. ..KERR..05/20/24 ATTN...WFO...DDC...ICT...OUN... STATUS REPORT FOR WS 265 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS KSC007-015-033-077-095-173-191-200440- KS . KANSAS COUNTIES INCLUDED ARE BARBER BUTLER COMANCHE HARPER KINGMAN SEDGWICK SUMNER OKC003-053-059-093-151-153-200440- OK . OKLAHOMA COUNTIES INCLUDED ARE ALFALFA GRANT HARPER MAJOR WOODS WOODWARD THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
SPC Severe Thunderstorm Watch 265
WW 265 SEVERE TSTM KS OK 200250Z – 200700Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 265 NWS Storm Prediction Center Norman OK 950 PM CDT Sun May 19 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of South-Central Kansas Northwest Oklahoma * Effective this Sunday night and Monday morning from 950 PM until 200 AM 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 cluster of severe thunderstorms will likely persist through the late evening and early overnight hours as a low-level jet remains situated over the Watch area. Large to very large hail and severe gusts are the primary hazards with the more intense storms. The severe thunderstorm watch area is approximately along and 50 statute miles north and south of a line from 50 miles west of Alva OK to 25 miles southeast of Wichita KS. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU5). 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 260...WW 262...WW 263...WW 264... 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 26035. ...Smith
