SPC Severe Thunderstorm Watch 573

WW 573 SEVERE TSTM MT 112305Z – 120700Z

WW 0573 Image

Severe Thunderstorm Watch Number 573
NWS Storm Prediction Center Norman OK
505 PM MDT Sun Aug 11 2019

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Northeast Montana

* Effective this Sunday afternoon and Monday morning from 505 PM
  until 100 AM 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...Clusters of thunderstorms over central Montana will track
east-northeastward across the watch area this evening.  A few
supercells and bow echoes capable of damaging winds and large hail
are possible.

The severe thunderstorm watch area is approximately along and 80
statute miles north and south of a line from 85 miles west southwest
of Glasgow MT to 10 miles north northeast of Sidney MT. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU3).


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


571...WW 572...

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


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