Severe Thunderstorm Warning 115, NWS Norman, OK

Area Forecast Discussion
National Weather Service Norman OK
916 PM CDT Sun Apr 16 2017

.DISCUSSION...
Scattered storms over northern and western Oklahoma are expected
to slowly diminish, but not completely disappear. Storms from the
Texas panhandle are not likely to move as far east as western
Oklahoma. The forecast was significantly updated to account for an
anticipated MCS that the HRRR has consistently forecast for
central and southeast Oklahoma around and beyond sunrise Monday.
Pops were adjusted through noon Monday.

&&

.PRELIMINARY POINT TEMPS/POPS...
Oklahoma City OK  76  58  75  59 /  40  60  60  20
Hobart OK         78  59  76  57 /  40  60  20  20
Wichita Falls TX  80  61  80  60 /  30  50  30  20
Gage OK           74  55  74  55 /  30  50  20  20
Ponca City OK     78  56  75  58 /  90  70  30  20
Durant OK         79  62  78  60 /  40  50  60  20

&&

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

99/99

Hazardous Weather Outlook
National Weather Service Norman OK
1159 AM CDT Sun Apr 16 2017

OKZ004>048-050>052-TXZ083>090-171700-
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-
1159 AM CDT Sun Apr 16 2017

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

.DAY ONE...Through Tonight...

.Thunderstorms...
There is a Slight Risk of severe thunderstorms late this afternoon
into the evening from far western north Texas to central and
northeastern Oklahoma.

Location...
The Slight Risk exists north of a line from near Knox City,
Texas, to Lawton, Oklahoma, to Norman, and to Chandler. A Marginal
Risk covers the rest of the Oklahoma and western north Texas.

Timing...
The most likely time for severe storms will be from 5 pm to
midnight.

Impacts...
Hail up to the size of tennis balls and wind gusts to 70 mph. The
tornado risk is very low.

Discussion...
Later this afternoon into the evening, isolated to scattered
thunderstorms are expected to develop near a triple point in the
eastern Texas panhandle. These thunderstorms may consolidate into
a complex that may affect parts of western Oklahoma and adjacent
north Texas. Another complex of thunderstorms may develop along a
boundary in north central Oklahoma and shift southward into
central Oklahoma. In addition, scattered thunderstorms may
develop in southern and southeastern Oklahoma late afternoon in
the warm sector.

.Spotter and emergency management statement...
Storm spotter groups and emergency management personnel across
the risk areas should prepare for possible severe weather
operations through the late afternoon and evening, especially
those within the Slight Risk area.

.Heavy Rainfall...
Slow-moving thunderstorms may result in locally heavy rainfall.

.DAYS TWO THROUGH SEVEN...Monday through Saturday...

.Thunderstorms...
Thunderstorms will linger across portions of the region through
Monday. Thunderstorm chances will return on Wednesday night into
Friday. Severe thunderstorms will be possible Wednesday night,
primarily across north central Oklahoma. Severe thunderstorms
will be possible again on Friday.

.Heavy Rainfall...
Several rounds of showers and thunderstorms through the week may
result in significant rainfall totals for portions of the region.
At this time, the heaviest bouts of rainfall will occur at the end
of the week and across the northern half of Oklahoma. This,
combined with recent rainfall, and the chance of strong
thunderstorms, may result in increasing flooding concerns late in
the week.

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

Kurtz/Mahale

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
823 PM CDT SUN APR 16 2017

OKZ016-170200-
Custer OK-
823 PM CDT SUN APR 16 2017

...SIGNIFICANT WEATHER ADVISORY FOR northeastern Custer County Until
900 PM CDT...

AT 821 PM CDT, a strong thunderstorm was located near Custer City,
moving east at 10 MPH.

HAZARDS INCLUDE...
Hail up to one-half inch diameter...
Wind gusts to 50 MPH...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

&&

LAT...LON 3567 9891 3577 9890 3577 9866 3558 9872
TIME...MOT...LOC 0121Z 283DEG 8KT 3570 9883

MAHALE

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
904 PM CDT SUN APR 16 2017

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

0903 PM     HAIL             SEILING                 36.15N 98.92W
04/16/2017  E1.00 INCH       DEWEY              OK   PUBLIC

&&

JP

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
919 PM CDT SUN APR 16 2017

OKZ007-012-170245-
Garfield OK-Grant OK-
919 PM CDT SUN APR 16 2017

...SIGNIFICANT WEATHER ADVISORY FOR northeastern Garfield and
southeastern Grant Counties Until 945 PM CDT...

AT 917 PM CDT, a strong thunderstorm was located near Kremlin, moving
east at 5 MPH.

HAZARDS INCLUDE...
Hail up to one-half inch diameter...
Wind gusts to 40 MPH...
Minor flooding in areas of poor drainage...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

&&

LAT...LON 3650 9790 3664 9788 3666 9755 3645 9758
TIME...MOT...LOC 0217Z 287DEG 5KT 3655 9777

30

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