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URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 111
NWS Storm Prediction Center Norman OK
335 PM CDT Tue Apr 12 2022

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Northwest Iowa
  Northeast Nebraska
  Extreme southeast South Dakota

* Effective this Tuesday afternoon and evening from 335 PM until
  1000 PM CDT.

* Primary threats include...
  A few tornadoes likely with a couple intense tornadoes possible
  Scattered large hail and isolated very large hail events to 2.5
    inches in diameter likely
  Scattered damaging winds likely with isolated significant gusts
    to 75 mph possible

SUMMARY...Supercell development will be possible in the next couple
of hours, near and east of a surface cyclone along the
Nebraska/South Dakota border.  The storm environment will continue
to beco*e more favorable for a few tornadoes (a couple of which
could be strong) and very large hail, if storms can mature quickly
enough in the relatively narrow, unstable warm sector near the warm
front.  Damaging winds will also be possible, especially late this
evening when storms could grow upscale into a squall line along the
cold front approaching from the west.

The tornado watch area is approximately along and 60 statute miles
east and west of a line from 50 miles northeast of Yankton SD to 45
miles south of Sioux City IA. For a co*plete depiction of the watch
see the associated watch outline update (WOUS64 KWNS WOU1).

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...c*NTINUE...WW 110...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2.5 inches. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 22040.

...Thompson