WW 618 SEVERE TSTM SD WY 111830Z – 120100Z
URGENT – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 618
NWS Storm Prediction Center Norman OK
1230 PM MDT Sun Aug 11 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southwest South Dakota
Northeast Wyoming
* Effective this Sunday afternoon and evening from 1230 PM until
700 PM 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
A tornado or two possible
SUMMARY…Thunderstorms will increase in coverage and intensity
through the afternoon across the watch area. A few severe storms
are expected, capable of large hail and damaging wind gusts.
The severe thunderstorm watch area is approximately along and 40
statute miles north and south of a line from 50 miles west of Rapid
City SD to 65 miles southeast of Philip SD. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU8).
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
28030.
…Hart
