SPC Severe Thunderstorm Watch 190

WW 190 SEVERE TSTM CO KS NE 190440Z - 190800Z

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 190
NWS Storm Prediction Center Norman OK
1040 PM MDT Mon Jun 18 2018

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Far Northeast Colorado
  Northwest Kansas
  Southwest Nebraska

* Effective this Monday night and Tuesday morning from 1040 PM
  until 200 AM MDT.

* Primary threats include...
  Isolated very large hail events to 2.5 inches in diameter
    possible
  Isolated damaging wind gusts to 70 mph possible

SUMMARY...A supercell ongoing across far Northeast Colorado at late
evening and/or additional development will move generally eastward
through the overnight across the Tri-state region. Large hail is the
main concern.

The severe thunderstorm watch area is approximately along and 35
statute miles east and west of a line from 25 miles northwest of
Imperial NE to 70 miles south southwest of Imperial NE. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 189...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
25025.

...Guyer

Read more

from SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0190.html