URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 327
NWS Storm Prediction Center Norman OK
530 PM MDT Fri Jul 3 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Eastern Montana
Extreme western North Dakota
Extreme northwestern South Dakota
* Effective this Friday afternoon and Saturday morning from 530
PM until 100 AM MDT.
* 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
SUMMARY...Scattered thunderstorms are forming across southeast
Montana, and additional development is expected through this evening
across eastern Montana. The storm environment will favor both
supercells and organized clusters capable of producing large hail
and damaging winds. A cluster or two of storms could move into
northwestern South Dakota and western North Dakota during the early
overnight hours.
The severe thunderstorm watch area is approximately along and 85
statute miles east and west of a line from 55 miles north northeast
of Wolf Point MT to 25 miles southeast of Broadus MT. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU7).
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 550. Mean storm motion vector
26020.
...Thompson
Read morefrom SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0327.html
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