SPC – No watches are valid as of Thu Jun 13 04:02:02 UTC 2024
No watches are valid as of Thu Jun 13 04:02:02 UTC 2024.
SPC
SPC Severe Thunderstorm Watch 407
WW 407 SEVERE TSTM IA NE 130025Z – 130400Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 407 NWS Storm Prediction Center Norman OK 725 PM CDT Wed Jun 12 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Western Iowa Eastern Nebraska * Effective this Wednesday evening from 725 PM until 1100 PM CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 3.5 inches in diameter possible Scattered damaging wind gusts to 70 mph possible A tornado or two possible SUMMARY...A couple of severe supercells are possible over the Watch area this evening. The stronger storms will potentially be capable of very large to giant hail (2 to 3.5 inches in diameter), localized severe gusts, and perhaps a tornado. The severe thunderstorm watch area is approximately along and 45 statute miles east and west of a line from 25 miles northwest of Denison IA to 25 miles south of Omaha 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 405...WW 406... AVIATION...A few severe thunderstorms with hail surface and aloft to 3.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 33020. ...Smith
SPC Tornado Watch 406
WW 406 TORNADO MN WI 122355Z – 130300Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 406 NWS Storm Prediction Center Norman OK 655 PM CDT Wed Jun 12 2024 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Central and Eastern Minnesota Northwest Wisconsin * Effective this Wednesday evening from 655 PM until 1000 PM CDT. * Primary threats include... A couple tornadoes possible Scattered large hail and isolated very large hail events to 3 inches in diameter likely Scattered damaging wind gusts to 70 mph likely SUMMARY...Several supercells will continue east-southeast and traverse a moist/unstable airmass in an environment with increasing low-level shear. Large to very large hail (2-3 inches in diameter), damaging gusts, and a couple of tornadoes are possible. The tornado watch area is approximately along and 45 statute miles north and south of a line from 45 miles west northwest of Saint Cloud MN to 100 miles east northeast of Saint Cloud MN. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU6). 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 405... AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 3 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 28030. ...Smith
SPC Severe Thunderstorm Watch 405
WW 405 SEVERE TSTM MN ND SD WI LS 122030Z – 130300Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 405 NWS Storm Prediction Center Norman OK 330 PM CDT Wed Jun 12 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of northern and central Minnesota eastern North Dakota far northeastern South Dakota northwestern Wisconsin Lake Superior * Effective this Wednesday afternoon and evening from 330 PM until 1000 PM CDT. * Primary threats include... Widespread large hail and isolated very large hail events to 3 inches in diameter likely Scattered damaging winds likely with isolated significant gusts to 75 mph possible A tornado or two possible SUMMARY...Thunderstorm development is expected by 4:30 PM or so across the eastern North Dakota/northwestern Minnesota area, with storms quickly becoming severe. Very large/destructive hail, and strong/damaging wind gusts are expected, with a tornado or two also possible. The severe thunderstorm watch area is approximately along and 90 statute miles north and south of a line from 40 miles north of Fargo ND to 35 miles east of Duluth MN. 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. && AVIATION...A few severe thunderstorms with hail surface and aloft to 3 inches. Extreme turbulence and surface wind gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 29040. ...Goss
SPC – No watches are valid as of Tue Jun 11 02:02:01 UTC 2024
No watches are valid as of Tue Jun 11 02:02:01 UTC 2024.
SPC Severe Thunderstorm Watch 404
WW 404 SEVERE TSTM MT ND NE SD WY 101845Z – 110200Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 404 NWS Storm Prediction Center Norman OK 1245 PM MDT Mon Jun 10 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Far Southeast Montana Far Southwest North Dakota The Nebraska Panhandle Western South Dakota Eastern Wyoming * Effective this Monday afternoon and evening from 1245 PM until 800 PM MDT. * 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 A tornado or two possible SUMMARY...Thunderstorms will continue to strengthen this afternoon and early evening while posing a threat for large hail around 1-2 inches in diameter and severe/damaging wind gusts of 60-70 mph. A brief tornado may also occur with any sustained supercell, especially in western South Dakota. The severe thunderstorm watch area is approximately along and 165 statute miles north and south of a line from 95 miles north northwest of Torrington WY to 55 miles east southeast of Rapid City SD. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU4). 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 403... 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 27035. ...Gleason