Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 431, NWS Norman, OK

June 30, 20188 counties in Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 30, 2018, 4:27 PM CDT for 8 counties in Oklahoma. It was in force for 48 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: Jun 30, 2018, 4:27 PM CDT (21:27 UTC)
Expired: Jun 30, 2018, 5:15 PM CDT
In force: 48 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

Counties Cleveland County, OK, Garvin County, OK, Lincoln County, OK, Logan County, OK, McClain County, OK, Oklahoma County, OK, Payne County, OK, Pottawatomie County, OK

The radar

The Norman radar (KTLX), 11 km from the middle of the area, began a volume at 21:26 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 30, 3:50 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

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 Jun 30, 3:11 PM CDT, 1 hour 16 minutes earlier.

Area forecast discussion, Jun 30, 3:11 PM CDT, 1 hour 16 minutes before

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Hazardous weather outlook, Jun 30, 3:33 PM CDT, 54 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Norman OK
333 PM CDT Sat Jun 30 2018

OKZ004>048-050>052-TXZ083>090-011000-
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-
333 PM CDT Sat Jun 30 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 a slight risk of severe storms from just north of Lawton
and Ardmore, northward through most of central Oklahoma into
north-central Oklahoma.

Location...
This risk area covers Weatherford, Pauls Valley, the OKC metro,
Enid, Stillwater, and Ponca City.

Timing...
Through 8 PM. The threat will decrease from south to north through
the afternoon and evening hours as storms move north and
northeast.

Impacts... The primary severe weather
concern will be wind gusts of 60 to 70 mph, but hail up to the
size of golfballs will also be possible.

.SPOTTER AND EMERGENCY MANAGEMENT STATEMENT...
Storm spotter groups and emergency management personnel across the
risk area should prepare for severe weather operations this
evening.

.Heat...
Heat index values from 100 to 106 degrees are expected across
the eastern half of Oklahoma into the evening. If outdoors, limit
strenuous activities, take frequent breaks and stay hydrated.

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

.Heat...
Heat index values from 100 to 106 degrees are forecast for
much of Oklahoma. If outdoors, limit strenuous activities, take
frequent breaks, and stay hydrated.

.Thunderstorms...
Thunderstorms will be possible Sunday and Sunday evening, and
again Wednesday and Thursday. Strong to severe thunderstorms are
possible.

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, Jun 30, 3:51 PM CDT, 36 minutes before

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Local storm report, Jun 30, 3:53 PM CDT, 34 minutes before

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Local storm report, Jun 30, 3:54 PM CDT, 33 minutes before

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Local storm report, Jun 30, 4:02 PM CDT, 25 minutes before

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Local storm report, Jun 30, 4:12 PM CDT, 15 minutes before

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Local storm report, Jun 30, 4:16 PM CDT, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
416 PM CDT SAT JUN 30 2018

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

0410 PM     TSTM WND GST     1 W KINGFISHER          35.86N 97.95W
06/30/2018  M64 MPH          KINGFISHER         OK   MESONET

            MESONET MEASURED WIND GUSTS UP TO 64MPH FROM THE WEST.

&&

JKLEPATZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 10:52 PM CDT	Special Weather Statement	OUN	Beckham, Ellis, Roger Mills	38 min
Jun 29, 11:28 PM CDT	Special Weather Statement	OUN	Harmon	32 min
Jun 29, 11:30 PM CDT	Special Weather Statement	OUN	Ellis, Roger Mills	45 min
Jun 30, 12:01 AM CDT	Special Weather Statement	OUN	Beckham, Greer, Harmon, Jackson	44 min
Jun 30, 12:16 AM CDT	Special Weather Statement	OUN	Ellis, Roger Mills	29 min
Jun 30, 1:29 PM CDT	Special Weather Statement	OUN	Tillman	31 min
Jun 30, 1:36 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Tillman	39 min
Jun 30, 1:54 PM CDT	Special Weather Statement	OUN	Caddo, Washita	36 min
Jun 30, 2:04 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Cotton, Kiowa, Tillman	26 min
Jun 30, 2:30 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Grady, Stephens	30 min
Jun 30, 2:37 PM CDT	Special Weather Statement	OUN	Washita	53 min
Jun 30, 2:52 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Comanche, Grady, McClain, Stephens	53 min
Jun 30, 3:28 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Canadian, Kingfisher	47 min
Jun 30, 3:40 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Cleveland, Garvin, Grady, McClain and 1 more	50 min
Jun 30, 3:51 PM CDT	Special Weather Statement	OUN	Major	24 min
Jun 30, 4:00 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher, Logan	45 min
Jun 30, 4:07 PM CDT	Severe Thunderstorm Warning	OUN	Dewey	27 min
Jun 30, 4:10 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Blaine, Major, Woods	50 min
Jun 30, 4:40 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kingfisher, Noble	50 min
Jun 30, 4:52 PM CDT	Special Weather Statement	OUN	Stephens	23 min
Jun 30, 4:54 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Major, Woods	66 min
Jun 30, 5:14 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Cleveland, Garvin, McClain, Murray, Pottawatomie and 1 more	46 min
Jun 30, 5:17 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Noble, Payne	43 min
Jun 30, 5:25 PM CDT	Severe Thunderstorm Warning	OUN	Grant	50 min
Jun 30, 5:46 PM CDT	Special Weather Statement	OUN	Kay	29 min
Jun 30, 6:09 PM CDT	Severe Thunderstorm Warning	OUN	Kay	51 min
Jun 30, 6:30 PM CDT	Special Weather Statement	OUN	Seminole	30 min
Jun 30, 12:10 PM CDT	Special Weather Statement	OUN	Baylor	35 min
Jun 30, 12:46 PM CDT	Special Weather Statement	OUN	Baylor, Wilbarger	29 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2018 Every 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.