

153 

WWUS20 KWNS 040007

SEL1

SPC WW 040007

SDZ000-040700-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 481

NWS Storm Prediction Center Norman OK

710 PM CDT Wed Jul 3 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Central South Dakota



* Effective this Wednesday night and Thursday morning from 710 PM

  until 200 AM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  Scattered large hail events to 1.5 inches in diameter possible



SUMMARY...Thunderstorms continue to increase in coverage and

intensity over western and central South Dakota.  This activity will

build eastward through the evening, posing a risk of damaging winds

and hail in the stronger cells.



The severe thunderstorm watch area is approximately along and 60

statute miles east and west of a line from 45 miles northeast of

Mobridge SD to 50 miles south of Chamberlain SD. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU1).



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 479...WW 480...



AVIATION...A few severe thunderstorms with hail surface and aloft to

1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A

few cumulonimbi with maximum tops to 500. Mean storm motion vector

27030.



...Hart

