Flash Flood Warning 32, NWS Norman, OK

Area Forecast Discussion
National Weather Service Norman OK
617 AM CDT Sat May 18 2019

.AVIATION...

12z TAFs...Mostly MVFR conditions this morning outside of
thunderstorms currently moving in to southwestern OK. These storms
will continue moving to the northeast this morning, affecting TAF
sites across central OK through about 17z. Storms may redevelop
later this afternoon, with the highest confidence of this across
northern portions of Oklahoma. Otherwise should see conditons
return to VFR this afternoon for most of the area. Later this
evening expecting a front to shift winds to a northwesterly
direction for most sites by tomorrow morning.

Ware

&&

.PREV DISCUSSION... /issued 255 AM CDT Sat May 18 2019/

DISCUSSION...
Severe thunderstorms are expected to be ongoing near or shortly
after sunrise across southwestern OK with the approach of an upper
short wave trough. Shear and thermodynamic profiles likely support
damaging wind and a few tornadoes. This area is expected to move
across southeastern Oklahoma later this morning. Meanwhile, a cold
front will slowly approach northwestern Oklahoma coincident with
the main upper trough. Increased instability and lift in this area
may support large hail in isolated thunderstorms. These systems
move east of Oklahoma this evening with cooler and drier air to
follow into Sunday. By Monday south winds will bring increased
moisture north again ahead of a very strong upper wave which is
expected to bring widespread severe weather with all severe
weather hazards. This also may bring heavy rainfall since several
smaller short-wave troughs are expected to traverse Oklahoma.
Refer to the Hazardous Weather Outlook for details. This first
wave will exit early Tuesday, but the long wave trough over the
western U.S. will remain there through next week. This will allow
a series of short- wave troughs to pass across the southern plains
where lower level moisture will once again be in place from
Wednesday. Thunderstorms are expected each day into next weekend.

&&

.PRELIMINARY POINT TEMPS/POPS...
Oklahoma City OK  76  56  78  59 /  60  50   0  20
Hobart OK         81  53  79  60 /  50  10   0  30
Wichita Falls TX  82  56  82  64 /  60  10   0  20
Gage OK           81  51  77  55 /  50  10   0  30
Ponca City OK     75  56  75  56 /  60  40   0  10
Durant OK         76  61  83  64 /  80  40   0  10

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...None.
TX...None.
&&

09/23/08

Hazardous Weather Outlook
National Weather Service Norman OK
432 AM CDT Sat May 18 2019

OKZ004>048-050>052-TXZ083>090-182000-
Harper-Woods-Alfalfa-Grant-Kay-Ellis-Woodward-Major-Garfield-
Noble-Roger Mills-Dewey-Custer-Blaine-Kingfisher-Logan-Payne-
Beckham-Washita-Caddo-Canadian-Oklahoma-Lincoln-Grady-McClain-
Cleveland-Pottawatomie-Seminole-Hughes-Harmon-Greer-Kiowa-Jackson-
Tillman-Comanche-Stephens-Garvin-Murray-Pontotoc-Coal-Cotton-
Jefferson-Carter-Johnston-Atoka-Love-Marshall-Bryan-Hardeman-
Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay-
432 AM CDT Sat May 18 2019

This hazardous weather outlook is for portions of northern...
western...central...and southern Oklahoma...and western north
Texas.

.DAY ONE...Today and Tonight...

.Thunderstorms and flooding...
A large area of strong to severe storms is expected to affect
central and southern Oklahoma, and north Texas, this morning and
early afternoon. Additional storms may develop in western
Oklahoma this afternoon, then move northeast this evening. Any of
the storms may produce hail up to baseball size, damaging winds,
and flooding rain. A few tornadoes may occur, with the highest
risk in southeast Oklahoma this afternoon.

.SPOTTER AND EMERGENCY MANAGEMENT STATEMENT...

Storm spotter groups and emergency management personnel across
Oklahoma and north Texas should prepare for severe weather
operations through this evening.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

.Thunderstorms and flooding...
Thunderstorms are in the forecast Sunday night through Friday. The
most significant and widespread severe weather is expected Monday
into Monday night across most of Oklahoma and north Texas. Very
large hail, damaging winds, and tornadoes will be possible with
the strongest storms on Monday. The risk of severe storms will
diminish through the end of the week.

Get graphics and more details at weather.gov/norman...and follow
our weather forecast office on Twitter and Facebook.

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
737 AM CDT SAT MAY 18 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0629 AM     HAIL             ELGIN                   34.78N 98.29W
05/18/2019  M1.00 INCH       COMANCHE           OK   PUBLIC

            PICTURE VIA TWITTER.

&&

JT

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