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WWUS20 KWNS 070246

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SPC WW 070246

IAZ000-ILZ000-MOZ000-071000-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 66

NWS Storm Prediction Center Norman OK

850 PM CST Mon Mar 6 2017



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Eastern Iowa

  Western Illinois

  Eastern Missouri



* Effective this Monday night and Tuesday morning from 850 PM

  until 400 AM CST.



* Primary threats include...

  A few tornadoes possible

  Scattered damaging winds and isolated significant gusts to 75

    mph possible



SUMMARY...A fast-moving squall line will further accelerate

east-northeastward through the late evening and overnight hours,

posing a damaging wind and tornado risk across eastern portions of

Iowa and Missouri into western Illinois.



The tornado watch area is approximately along and 55 statute miles

east and west of a line from 15 miles east northeast of Dubuque IA

to 55 miles southwest of Farmington MO. For a complete depiction of

the watch see the associated watch outline update (WOUS64 KWNS

WOU6).



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 61...WW 62...WW 63...WW

64...WW 65...



AVIATION...Tornadoes and a few severe thunderstorms with hail

surface and aloft to 1.5 inches. Extreme turbulence and surface wind

gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean

storm motion vector 24050.



...Guyer

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