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WWUS20 KWNS 011933
SEL4
SPC WW 011933
NEZ000-SDZ000-020200-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 494
NWS Storm Prediction Center Norman OK
135 PM MDT Mon Jul 1 2024

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
  The Nebraska Panhandle into Northwest Nebraska
  Western and Central South Dakota

* Effective this Monday afternoon and evening from 135 PM until
  800 PM MDT.

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

SUMMARY...Initial supercell thunderstorms should pose a threat for
large hail generally 1-2 inches in diameter this afternoon. As this
activity spreads eastward later this afternoon and evening, it
should grow upscale in more of a line/cluster, with a greater threat
for severe/damaging winds up to around 60-70 mph.

The severe thunderstorm watch area is approximately along and 105
statute miles east and west of a line from 30 miles north northwest
of Mobridge SD to 70 miles southeast of Chadron NE. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU4).

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.

&&

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 500. Mean storm motion vector
26035.

...Gleason