Severe Thunderstorm Warning 175, NWS Norman, OK

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Hazardous Weather Outlook
National Weather Service Norman OK
1204 PM CDT Fri May 18 2018

OKZ004>048-050>052-TXZ083>090-191715-
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-
1204 PM CDT Fri May 18 2018

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

.DAY ONE...This Afternoon and Tonight...

.Thunderstorms...
There is an Enhanced Risk of severe thunderstorms this afternoon
and tonight across northwest Oklahoma. There is a Slight Risk of
severe thunderstorms across a broader area of western and
northern Oklahoma. There is a Marginal Risk of severe
thunderstorms from western sections of north Texas through central
and north central Oklahoma.

.Location...
The Enhanced Risk area is northwest of a line from Alva to
Woodward to Gage. The Slight Risk area is southeast of the
Enhanced Risk area, and northwest of a line from Medford to Enid
to Altus. The Marginal Risk area is southeast of the Slight Risk
area and northwest of a line from Stillwater to Purcell to Waurika
Oklahoma to Henrietta and Archer City Texas.

.Timing...
Most likely time for severe storms will be from 6 pm through
midnight.

.Impacts...
Damaging wind gusts up to 70 mph and hail to the size of golf balls
will be the main hazards. However an isolated tornado will be
possible, especially across the Enhanced Risk and Slight Risk
areas.

.Discussion...
Scattered strong to severe thunderstorms are expected to develop
late this afternoon near a dryline across the central Oklahoma
and Texas panhandles. These storms are expected to develop into
clusters or lines of storms as they move east and northeast
toward western Oklahoma and perhaps western north Texas during
the early evening hours and will be capable of producing damaging
wind gusts and hail to the size of golf balls. A strengthening
low level jet will aid in creating a more favorable environment
for an isolated tornado or two with any thunderstorm that can
remain discrete into the evening hours across western Oklahoma and
western north Texas. Storms are expected to weaken by the late
evening hours into the overnight as they approach central sections
of Oklahoma.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday...

.Thunderstorms...
Strong to severe thunderstorms will be possible across parts
western, northern and central Oklahoma and western north Texas
late Saturday afternoon and night along and ahead of a dryline and
a cold front.

Thunderstorm chances will continue Sunday through Thursday across
parts of Oklahoma and north Texas. A few storms Sunday through
Thursday may be strong to severe.

.Heavy Rainfall and Flash Flooding...
Locally heavy rainfall of 1 to 2 inches in a short period of time
from slowly moving thunderstorms may cause flash flooding in a
few locations across Oklahoma and north Texas late Saturday
afternoon through Wednesday.

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

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
535 PM CDT FRI MAY 18 2018

OKZ033-036-TXZ083-182300-
Harmon OK-Jackson OK-Hardeman TX-
535 PM CDT FRI MAY 18 2018

...SIGNIFICANT WEATHER ADVISORY FOR southeastern Harmon...
southwestern Jackson and central Hardeman Counties Until 600 PM
CDT...

AT 533 PM CDT, a strong thunderstorm was located 4 miles northeast of
Goodlett, moving northeast at 40 MPH.

HAZARDS INCLUDE...
Hail up to the size of nickels...
Wind gusts to 50 MPH...

LAT...LON 3473 9963 3473 9958 3456 9937 3425 9979
      3438 9995
TIME...MOT...LOC 2233Z 222DEG 35KT 3438 9982

..speg.

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
600 PM CDT FRI MAY 18 2018

TXZ083-084-182330-
Foard TX-Hardeman TX-
600 PM CDT FRI MAY 18 2018

...SIGNIFICANT WEATHER ADVISORY FOR northwestern Foard and
southwestern Hardeman Counties Until 630 PM CDT...

AT 557 PM CDT, a strong thunderstorm was located 11 miles southeast
of Swearingen, moving northeast at 30 MPH.

HAZARDS INCLUDE...
Hail up to the size of nickels...
Wind gusts to 50 MPH...

LAT...LON 3414 10005 3438 9989 3422 9963 3393 9995
      3399 10005
TIME...MOT...LOC 2257Z 215DEG 27KT 3404 9999

..speg.