

691 

WWUS20 KWNS 100116

SEL9

SPC WW 100116

ILZ000-MOZ000-100700-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 359

NWS Storm Prediction Center Norman OK

820 PM CDT Fri Jul 9 2021



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  West central Illinois

  North central and northeast Missouri



* Effective this Friday night and Saturday morning from 820 PM

  until 200 AM CDT.



* Primary threats include...

  A couple 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...Thunderstorms will increase in coverage and intensity this

evening as the storms spread southeastward.  The storm environment

is favorable for supercells capable of producing a couple of

tornadoes, as well as isolated very large hail (near tennis ball

size) and significant severe gusts (near 75 mph).  The storms could

later grow into a cluster, with a continuing severe threat into the

early overnight hours.



The tornado watch area is approximately along and 90 statute miles

east and west of a line from 30 miles east northeast of Kirksville

MO to 60 miles south of Quincy IL. 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 356...WW 357...WW 358...



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 600. Mean

storm motion vector 32025.



...Thompson

