Severe Thunderstorm Warning 112, NWS Norman, OK

Area Forecast Discussion
National Weather Service Norman OK
635 PM CDT Mon Apr 10 2023

...New AVIATION...

.SHORT TERM...
(This evening through Tuesday)
Issued at 315 PM CDT Mon Apr 10 2023

Currently, scattered cumulus is developing and increasing across
Oklahoma and western north Texas as the atmosphere continues to
destabilize during the afternoon. A surface trough is currently
positions through north central Oklahoma through western Oklahoma,
where along the boundary the highest convective development is
ongoing. While vertical development has struggled to mature due to a
lack of instability and lift so far, conditions will improve for
convective development through the afternoon.

With the upper level ridge strengthening over the western US, a
shortwave will develop in the upper level flow and move through the
region will provide additional support for storms developing the
afternoon and evening. With sufficient instability (Surface CAPE
1500-2000 J/kg), sufficient shear (0-6km shear > 30kts), moderate
anvil layer flow (~30kts), and an uncapped environment, large hail
will be a concern with any storms that develop. In addition, strong
to damaging winds will also be possible with some potential for
inverted-v soundings. Activity will decrease with the loss of
daytime heating.

Storms will exit the region from north to south as the upper level
cyclone begins shifting to the southeast. Precipitation will end
around midnight, and result in a dry overnight and Tuesday. Skies
will clear and southerly winds will continue Tuesday.

Zwink

&&

.LONG TERM...
(Tuesday night through next Sunday)
Issued at 343 PM CDT Mon Apr 10 2023

The upper level ridge over the western US will continue to expand
and stretch over the central Plains through mid-week. With the ridge
to the west and the closed off upper level cyclone drifting to
the southeast, conditions will remain fairly calm through the
region, with a gradual increase in temperatures, dry conditions,
and southerly winds.

An upper level trough will begin to move into the western CONUS
Wednesday into Thursday, and a more progressive upper level flow
will develop. The upper level ridge will move eastward out of the
area and the trough will dig through the region Friday night into
Saturday, bringing the next best chance of precipitation.

Zwink

&&

.AVIATION...
(00Z TAFS)
Issued at 632 PM CDT Mon Apr 10 2023

Showers and thunderstorms continue across Oklahoma and western
north Texas. Storms are moving through the south, and will
diminish overnight. Visibilities and ceilings will drop to
MVFR/IFR levels in areas affected and near the storms. Otherwise,
skies will clear and surface winds will remain southerly through
Tuesday afternoon.

&&

.PRELIMINARY POINT TEMPS/POPS...
Oklahoma City OK  51  73  49  75 /  60   0   0   0
Hobart OK         48  76  48  78 /  20   0   0   0
Wichita Falls TX  52  75  48  77 /  10   0   0   0
Gage OK           46  79  49  82 /   0   0   0   0
Ponca City OK     49  76  49  79 /  30   0   0   0
Durant OK         51  74  49  75 /   0   0   0   0

&&

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

SHORT TERM...50
LONG TERM....50
AVIATION...50

Hazardous Weather Outlook...UPDATED
National Weather Service Norman OK
1231 PM CDT Mon Apr 10 2023

OKZ004>048-050>052-TXZ083>090-111745-
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-
1231 PM CDT Mon Apr 10 2023

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

.DAY ONE...Today and Tonight

.Thunderstorms...
Scattered thunderstorms are expected to develop this afternoon
and continue through this evening across portions of northern,
central, and southwestern Oklahoma. A few severe storms will be
possible. Hail up to the size of golf balls and wind gusts up to
70 mph will be the main hazards.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday...

.Fire Weather...
Much warmer and windy conditions will create elevated to near
critical fire weather conditions across portions of western and
northwestern Oklahoma Wednesday through Saturday.

.Thunderstorms...
A storm system will bring a chance of thunderstorms to the area
Friday and Saturday. A few severe storms appear possible on
Friday.

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

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PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
617 PM CDT MON APR 10 2023

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

0613 PM     HAIL             2 N OKARCHE             35.76N 97.98W
04/10/2023  E1.25 INCH       KINGFISHER         OK   PUBLIC

            REPORT FROM MPING.

&&

AZ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
625 PM CDT MON APR 10 2023

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

0623 PM     HAIL             OKARCHE                 35.73N 97.98W
04/10/2023  E2.00 INCH       KINGFISHER         OK   TRAINED SPOTTER

            TWITTER REPORT WITH VIDEO.

&&

AZ

Special Weather Statement
National Weather Service Norman OK
631 PM CDT Mon Apr 10 2023

OKZ019-020-026-110000-
Payne OK-Logan OK-Lincoln OK-
631 PM CDT Mon Apr 10 2023

...A strong thunderstorm will impact portions of northwestern
Lincoln, east central Logan and south central Payne Counties through
700 PM CDT...

At 631 PM CDT, Doppler radar was tracking a strong thunderstorm 5
miles southwest of Perkins, moving southeast at 35 mph.

HAZARD...Wind gusts of 30 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Chandler, Perkins, Carney, Tryon, Agra, and Parkland.

This includes Interstate 44 near mile marker 167.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3589 9720 3602 9710 3588 9675 3571 9689
TIME...MOT...LOC 2331Z 300DEG 29KT 3591 9708

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

WR

Special Weather Statement
National Weather Service Norman OK
653 PM CDT Mon Apr 10 2023

OKZ018-019-024-025-110030-
Kingfisher OK-Oklahoma OK-Logan OK-Canadian OK-
653 PM CDT Mon Apr 10 2023

...A strong thunderstorm will impact portions of southeastern
Kingfisher, northwestern Oklahoma, southwestern Logan and
northeastern Canadian Counties through 730 PM CDT...

At 653 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles east of Kingfisher, moving south at 15 mph.

HAZARD...Wind gusts of 40 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Kingfisher, Piedmont, and Cashion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3590 9792 3591 9769 3565 9762 3564 9795
TIME...MOT...LOC 2353Z 356DEG 11KT 3584 9781

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

Bunker

Special Weather Statement
National Weather Service Norman OK
657 PM CDT Mon Apr 10 2023

OKZ020-026-110045-
Payne OK-Lincoln OK-
657 PM CDT Mon Apr 10 2023

...A strong thunderstorm will impact portions of northeastern Lincoln
and southeastern Payne Counties through 745 PM CDT...

At 657 PM CDT, Doppler radar was tracking a strong thunderstorm 4
miles north of Tryon, moving east at 20 mph.

HAZARD...Wind gusts of 30 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Cushing, Perkins, Tryon, Agra, and Avery.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3581 9662 3590 9704 3601 9703 3601 9662
TIME...MOT...LOC 2357Z 276DEG 16KT 3595 9696

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

WR