

492 

WWUS20 KWNS 132011

SEL3

SPC WW 132011

MNZ000-NEZ000-SDZ000-140300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 323

NWS Storm Prediction Center Norman OK

315 PM CDT Tue Jun 13 2017



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Extreme western Minnesota

  North Central Nebraska

  Eastern South Dakota



* Effective this Tuesday afternoon and evening from 315 PM until

  1000 PM CDT.



* Primary threats include...

  A few tornadoes likely with a couple intense tornadoes possible

  Widespread large hail expected with isolated very large hail

    events to 3 inches in diameter likely

  Isolated damaging wind gusts to 70 mph possible



SUMMARY...Thunderstorms will form soon across parts of central SD/NE

and spread across the watch area.  Supercells capable of very large

hail and damaging winds will be possible, along with the risk of a

few tornadoes.



The tornado watch area is approximately along and 60 statute miles

east and west of a line from 20 miles south of Burwell NE to 50

miles northeast of Aberdeen SD. For a complete depiction of the

watch see the associated watch outline update (WOUS64 KWNS WOU3).



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.



&&



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 550. Mean

storm motion vector 24035.



...Hart

