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Oklahoma, Bryan

Tornado Watch

Statement as of 10:25 AM CDT on May 21, 2013

Expires 8:00 PM EDT on May 21, 2013

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of
southern Oklahoma
northern and central Texas

* effective this Tuesday morning and evening from 1025 am until
700 PM CDT.

* Primary threats include...
several tornadoes with a few intense tornadoes possible
numerous damaging wind gusts likely with a few significant gusts
to 80 mph possible
several large hail events with a few very large hail events to 3
inches in diameter possible

The Tornado Watch area is approximately along and 95 statute
miles north and south of a line from 50 miles south southwest of
Abilene Texas to 35 miles south southeast of Paris Texas. For a
complete depiction of the watch see the associated watch outline
update (wous64 kwns wou1).

Precautionary/preparedness actions...

Remember... a Tornado Watch means conditions are favorable for
tornadoes and 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.

Discussion... aided by forcing associated with a short wave impulse
turning east of the southern High Plains... increasing thunderstorm
development is expected during the next few hours along a surface
cold front and remnant outflow boundary across the ww area. The
outflow boundary... situated near or just south of the Red River may
become the focus for an increasingly organized mesoscale convective
system capable of producing damaging winds... large hail and isolated
tornadoes. Discrete supercells are possible along the trailing
southern flank of the developing system... southward through central
Texas by this afternoon... as well as ahead of the squall line across
northern Texas. One or two strong tornadoes may not be out of the
question.

Aviation... tornadoes and a few severe thunderstorms with hail
surface and aloft to 3 inches. Extreme turbulence and surface
wind gusts to 70 knots. A few cumulonimbi with maximum tops to
550. Mean storm motion vector 27035.

... Kerr

Record Report

Statement as of 8:33 PM CDT on May 20, 2013

... Record daily maximum rainfall broken at Oklahoma City...

The record precipitation at Oklahoma City for may 20 was 2.74
inches... which was set back in 1979. So far today at Will Rogers
World Airport... 2.82 inches of rainfall has fallen... which has
broken the record for this date.

Weather records for Oklahoma City date back to November of 1890.

Local Storm Report

05/20/2013 0958 PM

7 miles NNW of Durant, Bryan County.

Hail e1.00 inch, reported by Emergency Mngr.

            At intersection of sh-22 and Albert Pike Road

05/20/2013 0800 PM

1 miles W of Durant, Bryan County.

Thunderstorm wind damage, reported by Emergency Mngr.

            Emergency management reports trees down and power line
            down in western Durant.

Public Information Statement

Statement as of 9:50 AM CDT on May 21, 2013

... NWS damage survey for 5/20/2013 Newcastle/Moore tornado event -
update 1...

The National Weather Service dispatched four damage survey teams to
the path of the Newcastle/Moore OK tornado. New statements will be
issued throughout the day as these teams report findings. This
information remains preliminary and the information here could
change.

. tornado #1 McClain/Cleveland counties

rating: N/A
estimated peak wind: N/A
path length /statute/: N/A
path width /maximum/: N/A
fatalities: N/A
injuries: N/A

Start date: may 20 2013
start time: N/A
start location: N/A
start lat/lon:

End date: may 20 2013
end time: N/A
end location: 4.8 E of Moore OK
end lat/lon: 35.3409 / -97.4007

more information will be made available as survey teams continue to
submit reports.