Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 25, NWS Norman, OK

March 31, 2018Stephens County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Mar 31, 2018, 9:26 PM CDT for Stephens County, Oklahoma. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 31, 2018, 9:26 PM CDT (02:26 UTC)
Expired
Mar 31, 2018, 10:00 PM CDT
In force
34 min
Issued by
NWS Norman, OK
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Stephens County, OK

The radar

The Altus AFB radar (KFDR), 104 km from the middle of the area, began a volume at 02:29 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 31, 8:51 PM CDT, 35 minutes earlier.

Area forecast discussion, Mar 31, 8:51 PM CDT, 35 minutes before
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Hazardous weather outlook, Mar 31, 8:58 PM CDT, 28 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Norman OK
858 PM CDT Sat Mar 31 2018

OKZ004>048-050>052-TXZ083>090-011200-
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-
858 PM CDT Sat Mar 31 2018

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

.DAY ONE...Tonight...

.Thunderstorms...
A few thunderstorms will move across central and south central
Oklahoma through tonight. The stronger storms may produce hail to
the size of dimes. Locally heavy downpours and wind gusts up to 45
mph are possible as well.

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

.Thunderstorms...
There is a chance for thunderstorms Monday and Tuesday, primarily
across eastern and southern Oklahoma. Strong to severe storms
will be possible Tuesday.

Another chance for thunderstorms returns Thursday night
into Friday.

.Freezing Rain...
Light freezing rain will be possible across portions of central
and northern Oklahoma Sunday night into early Monday morning.
A trace to a few hundredths of an inch ice accumulation will
be possible.

.Cold Temperatures...
A frost and/or freeze will be possible Sunday, Monday, and
Wednesday mornings. The most likely area to be impacted by
near or below freezing temperatures will be across
northern Oklahoma.

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

In the hours before

Special weather statement, Mar 31, 6:51 PM CDT, 2 hours 35 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Special weather statement, Mar 31, 7:27 PM CDT, 1 hour 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
727 PM CDT SAT MAR 31 2018

OKZ040-041-010100-
Garvin OK-Murray OK-
727 PM CDT SAT MAR 31 2018

...SIGNIFICANT WEATHER ADVISORY FOR southeastern Garvin and north
central Murray Counties Until 800 PM CDT...

AT 722 PM CDT, a strong thunderstorm was located 4 miles southwest of
Wynnewood, moving east at 30 MPH.

HAZARDS INCLUDE...
Hail up to one-half inch diameter...
Wind gusts to 40 MPH...

LAT...LON 3454 9733 3471 9730 3470 9693 3449 9697
TIME...MOT...LOC 0022Z 278DEG 25KT 3462 9723

30
Special weather statement, Mar 31, 8:27 PM CDT, 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
827 PM CDT SAT MAR 31 2018

OKZ028-029-010200-
Cleveland OK-McClain OK-
827 PM CDT SAT MAR 31 2018

...SIGNIFICANT WEATHER ADVISORY FOR south central Cleveland and
southwestern McClain Counties Until 900 PM CDT...

AT 822 PM CDT, a strong thunderstorm was located near Washington,
moving east at 25 MPH.

HAZARDS INCLUDE...
Hail up to one-half inch diameter...
Wind gusts to 40 MPH...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Severe weather is not expected and no warnings are anticipated at
this time.

&&

LAT...LON 3498 9752 3509 9752 3513 9726 3493 9727
TIME...MOT...LOC 0122Z 273DEG 20KT 3504 9745

30
Special weather statement, Mar 31, 9:19 PM CDT, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
919 PM CDT SAT MAR 31 2018

OKZ039-010245-
Stephens OK-
919 PM CDT SAT MAR 31 2018

...SIGNIFICANT WEATHER ADVISORY FOR northwestern Stephens County
Until 945 PM CDT...

AT 916 PM CDT, a strong thunderstorm was located near Marlow, moving
east at 25 MPH.

HAZARDS INCLUDE...
Hail up to the size of nickels...
Wind gusts to 40 MPH...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Severe weather is not expected and no warnings are anticipated at
this time.

&&

LAT...LON 3460 9805 3468 9802 3468 9768 3449 9776
TIME...MOT...LOC 0216Z 282DEG 20KT 3463 9796

30

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 31, 7:27 PM CDTSpecial Weather StatementOUNMurray33 min
Mar 31, 8:27 PM CDTSpecial Weather StatementOUNMcClain33 min
Mar 31, 9:19 PM CDTSpecial Weather StatementOUNStephens26 min
Mar 31, 9:52 PM CDTSevere Thunderstorm WarningOUNStephens23 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2018Every severe thunderstorm warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.