SPC Severe Thunderstorm Watch 409

WW 409 SEVERE TSTM IA IL KS MO NE 132000Z – 140300Z
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 URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 409
NWS Storm Prediction Center Norman OK
300 PM CDT Thu Jun 13 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southern Iowa Western and Central Illinois Northeast Kansas Northern Missouri Far Southeast Nebraska * Effective this Thursday afternoon and evening from 300 PM until 1000 PM CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 3 inches in diameter likely Scattered damaging winds likely with isolated significant gusts to 80 mph possible A tornado or two possible SUMMARY...Intense thunderstorms are expected to develop and pose a
threat for very large hail and significant severe/damaging winds
this afternoon and evening. Some of the hail could be 2-3 inches in
diameter, and severe winds may peak in the 70-80 mph range with any
line of thunderstorms that can form and spread east-southeastward. The severe thunderstorm watch area is approximately along and 70
statute miles north and south of a line from 20 miles south
southwest of Falls City NE to 40 miles east northeast of Peoria IL.
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 408... AVIATION...A few severe thunderstorms with hail surface and aloft to
3 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
30030. ...Gleason 

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SPC Severe Thunderstorm Watch 408

WW 408 SEVERE TSTM IL IN MI OH LM 131850Z – 140100Z
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 URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 408
NWS Storm Prediction Center Norman OK
150 PM CDT Thu Jun 13 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northern Illinois Northern Indiana Southern and Central Lower Michigan Far Northwest Ohio Lake Michigan * Effective this Thursday afternoon and evening from 150 PM until 800 PM CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible Scattered damaging wind gusts to 70 mph possible A tornado or two possible SUMMARY...Thunderstorms are expected to continue increasing in
coverage this afternoon while posing a threat for large hail around
1.5-2.5 inches in diameter. Severe/damaging winds of 60-70 mph may
also occur as convection moves east-southeastward and potentially
grows into one or more small clusters through the afternoon and
early evening. The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 20 miles west southwest
of Marseilles IL to 10 miles north of Jackson 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. && 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 500. Mean storm motion vector
29030. ...Gleason 

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SPC Severe Thunderstorm Watch 407

WW 407 SEVERE TSTM IA NE 130025Z – 130400Z
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 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 

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SPC Tornado Watch 406

WW 406 TORNADO MN WI 122355Z – 130300Z
WW 0406 Image

 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 

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