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Particularly Dangerous Situation (PDS) Tornado Watch 317
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WW0317 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood High High
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
High High

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL7

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Tornado Watch Number 317
   NWS Storm Prediction Center Norman OK
   110 PM MDT Mon Jun 12 2017

   The NWS Storm Prediction Center has issued a

   * Tornado Watch for portions of 
     Northeast Colorado
     Western Nebraska Panhandle
     Southeast Wyoming

   * Effective this Monday afternoon and evening from 110 PM until
     800 PM MDT.

   ...THIS IS A PARTICULARLY DANGEROUS SITUATION...

   * Primary threats include...
     Several tornadoes and a few intense tornadoes likely
     Widespread large hail expected with scattered very large hail
       events to 4 inches in diameter likely
     Isolated significant damaging wind gusts to 75 mph possible

   SUMMARY...Isolated intense supercell thunderstorms are expected to
   develop across the watch area this afternoon.  Giant hail and strong
   tornadoes will be possible in the most intense storms.

   The tornado watch area is approximately along and 60 statute miles
   east and west of a line from 50 miles north northeast of Douglas WY
   to 55 miles southeast of Fort Collins CO. For a complete depiction
   of the watch see the associated watch outline update (WOUS64 KWNS
   WOU7).

   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 316...

   AVIATION...Tornadoes and a few severe thunderstorms with hail
   surface and aloft to 4 inches. Extreme turbulence and surface wind
   gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean
   storm motion vector 24030.

   ...Hart
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Page last modified: June 13, 2017
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