

843 

WWUS20 KWNS 100003

SEL5

SPC WW 100003

MNZ000-100600-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 405

NWS Storm Prediction Center Norman OK

705 PM CDT Sun Jul 9 2017



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Parts of central and southern Minnesota



* Effective this Sunday night and Monday morning from 705 PM

  until 100 AM CDT.



* Primary threats include...

  A couple tornadoes possible

  Scattered damaging wind gusts to 70 mph likely

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible



SUMMARY...Severe thunderstorm development is expected this evening

across central Minnesota, and storms will move subsequently to the

southeast through early tonight.  There will be a threat for

supercells and a couple of tornadoes and large hail with initial,

more cellular storms, while convection should grow upscale into a

larger convective system tonight.  Damaging winds will become the

main threat overnight, though embedded circulations will still be

possible.



The tornado watch area is approximately along and 50 statute miles

north and south of a line from 70 miles northwest of Redwood Falls

MN to 30 miles south southeast of Minneapolis MN. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU5).



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 2 inches. Extreme turbulence and surface wind

gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean

storm motion vector 31030.



...Thompson

