WWUS20 KWNS 202141
SEL9
SPC WW 202141
NEZ000-210500-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 389
NWS Storm Prediction Center Norman OK
445 PM CDT Mon Jul 20 2020

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Western and central Nebraska

* Effective this Monday afternoon from 445 PM until Midnight CDT.

* Primary threats include...
  Scattered large hail and isolated very large hail events to 2
    inches in diameter possible
  Scattered damaging wind gusts to 70 mph possible
  A tornado or two possible

SUMMARY...Initial supercells across parts of west-central Nebraska
will pose a risk for large hail before potentially developing into a
southeast-moving cluster in southwest Nebraska with an increasing
severe wind risk. Another cluster may emanate out of southwest and
south-central South Dakota and spread into portions of northern
Nebraska this evening with a severe hail and wind risk.

The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 40 miles south of North
Platte NE to 30 miles west northwest of Valentine NE. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).

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 388...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
30020.

...Grams