SPC Severe Thunderstorm Watch 631
SPC Severe Thunderstorm Watch 631
[html]WW 631 SEVERE TSTM CA OR WA 172020Z - 180400Z
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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 631
NWS Storm Prediction Center Norman OK
120 PM PDT Sat Aug 17 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern California
Western Oregon
Southwest Washington
* Effective this Saturday afternoon and evening from 120 PM until
900 PM PDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Scattered large hail events to 1.5 inches in diameter possible
SUMMARY...Thunderstorms will intensify this afternoon along and west
of the Cascade Range, tracking northward across the watch area. A
few severe storms are expected, capable of large hail and locally
damaging wind gusts.
The severe thunderstorm watch area is approximately along and 35
statute miles east and west of a line from 65 miles south southwest
of Mount Shasta CA to 60 miles north northeast of Portland OR. For a
co*plete 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...c*NTINUE...WW 630...
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
20030.
...Hart
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Source: SPC Severe Thunderstorm Watch 631 (http://ht**://www.spc.noaa.gov/products/watch/ww0631.html)