

002 

WWUS20 KWNS 142311

SEL9

SPC WW 142311

IAZ000-ILZ000-WIZ000-150500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 379

NWS Storm Prediction Center Norman OK

610 PM CDT Wed Jul 14 2021



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Eastern Iowa

  Northwest Illinois

  Southern Wisconsin



* Effective this Wednesday night from 610 PM until Midnight CDT.



* Primary threats include...

  A few tornadoes possible

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...Several supercells ongoing across east-central/northeast

Iowa will continue eastward in vicinity of a warm front and

recovering air mass from storms earlier today. As low-level winds

further strengthen, tornadoes will remain a possibility and damaging

wind potential may somewhat increase as storms tend to cluster this

evening. Isolated large hail is also possible.



The tornado watch area is approximately along and 60 statute miles

north and south of a line from 50 miles north of Cedar Rapids IA to

10 miles north of Janesville WI. For a complete depiction of the

watch see the associated watch outline update (WOUS64 KWNS WOU9).



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 378...



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 550. Mean

storm motion vector 27035.



...Guyer

