

029 

WWUS20 KWNS 271902

SEL5

SPC WW 271902

COZ000-KSZ000-NEZ000-WYZ000-280300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 315

NWS Storm Prediction Center Norman OK

105 PM MDT Fri Jul 27 2018



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Northeast Colorado

  Northwest Kansas

  Southwest Nebraska

  Southeast Wyoming



* Effective this Friday afternoon and evening from 105 PM until

  900 PM MDT.



* Primary threats include...

  A few tornadoes likely

  Scattered damaging winds and isolated significant gusts to 80

    mph likely

  Scattered large hail and isolated very large hail events to 2.5

    inches in diameter likely



SUMMARY...Severe storms are anticipated in multiple regimes across

the central High Plains into mid-evening. Initial supercells should

form near the Colorado, Nebraska, and Kansas border area, as well as

along the higher terrain near the I-25 corridor. With time, this

activity should merge into a southeast-moving cluster with embedded

supercell and bowing structures.



The tornado watch area is approximately along and 80 statute miles

north and south of a line from 40 miles northwest of Cheyenne WY to

65 miles south of Mccook NE. 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 312...WW 313...WW 314...



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

surface and aloft to 2.5 inches. Extreme turbulence and surface wind

gusts to 70 knots. A few cumulonimbi with maximum tops to 550. Mean

storm motion vector 32035.



...Grams

