SPC Severe Thunderstorm Watch 153

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MIL OSI USA

Source: US National Oceanic and Atmospheric Administration

Headline: SPC Severe Thunderstorm Watch 153

Note: 
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.Note: Click for Watch Status Reports.
SEL3

URGENT – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 153
NWS Storm Prediction Center Norman OK
415 AM CDT Fri Apr 21 2017

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
Western and central Oklahoma
Texas and Oklahoma Panhandles

* Effective this Friday morning from 415 AM until NOON CDT.

* 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…Hail potential will increase over the watch area the next
few hours as scattered thunderstorms continue to develop and
increase in coverage from the Panhandles into western Oklahoma.
Activity should coalesce into a semi-elevated, forward-propagating
storm complex through mid-morning, sweeping east or east-southeast
across western/central Oklahoma, with an increasing threat for
severe gusts as the complex gets better-organized and approaches a
surface front.

The severe thunderstorm watch area is approximately along and 60
statute miles either side of a line from 20 miles west northwest of
Dalhart TX to 35 miles south of Chandler OK. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).

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…This severe thunderstorm watch replaces
severe thunderstorm watch number 152. Watch number 152 will not
be in effect after 415 AM CDT.

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.

…Edwards

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