SPC Severe Thunderstorm Watch 411



WW 411 SEVERE TSTM TX 130655Z – 131300Z

WW 0411 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 411
NWS Storm Prediction Center Norman OK
155 AM CDT Sat Oct 13 2018

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Parts of the Concho Valley and Edwards Plateau of Texas

* Effective this Saturday morning from 155 AM until 800 AM CDT.

* Primary threats include...
  Isolated damaging wind gusts to 70 mph possible
  Isolated large hail events to 1.5 inches in diameter possible
  A tornado or two possible

SUMMARY...Thunderstorms will likely increase some in coverage and
intensity through the early morning hours as a storm system moves
eastward from west Texas.  The storm environment across the watch
area will favor the maintenance of isolated supercells, as well as
some upscale growth into clusters, with the potential for isolated
damaging winds and large hail.  An isolated tornado will also be
possible.

The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 70 miles west southwest
of San Angelo TX to 60 miles northeast of Junction TX. 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 410...

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
26025.

...Thompson

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