SPC Severe Thunderstorm Watch 179

WW 179 SEVERE TSTM MT ND SD 272235Z – 280600Z

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 179
NWS Storm Prediction Center Norman OK
435 PM MDT Sun Apr 27 2025

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Southeast Montana
  Southwest North Dakota
  Western South Dakota

* Effective this Sunday afternoon from 435 PM until Midnight MDT.

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

SUMMARY...Severe storm development is expected across the region
through the remainder of the afternoon into early/mid-evening, with
large hail expected to the most probable risk, with damaging winds
and possibly some/brief tornado risk as well.

The severe thunderstorm watch area is approximately along and 80
statute miles east and west of a line from 45 miles west northwest
of Baker MT to 35 miles east southeast of Rapid City SD. 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 178...

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
24025.

...Guyer

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