Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 422, NWS Norman, OK

June 30, 2018Comanche County, Cotton County, Tillman County, Oklahoma; Wichita County, Wilbarger County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Jun 30, 2018, 1:36 PM CDT for Comanche County, Cotton County, Tillman County, Oklahoma; Wichita County, Wilbarger County, Texas. It was in force for 39 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, 1:36 PM CDT (18:36 UTC)
Expired: Jun 30, 2018, 2:15 PM CDT
In force: 39 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

Counties Comanche County, OK, Cotton County, OK, Tillman County, OK, Wichita County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 23 km from the middle of the area, began a volume at 18:40 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 Jun 30, 1:13 PM CDT, 23 minutes earlier.

Area forecast discussion, Jun 30, 1:13 PM CDT, 23 minutes before

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Hazardous weather outlook, Jun 30, 11:31 AM CDT, 2 hours 5 minutes before

Hazardous Weather Outlook
National Weather Service Norman OK
1131 AM CDT Sat Jun 30 2018

OKZ004>048-050>052-TXZ083>090-011115-
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-
1131 AM 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...

.Heat...
Heat index values from 100 to 106 degrees are expected across
portions of the area this afternoon. If outdoors, limit strenuous
activities, take frequent breaks and stay hydrated.

.Thunderstorms...
This afternoon and evening, a few strong to severe thunderstorms
are possible generally northwest of a line from Stillwater to
Norman to Wichita Falls. The primary threat will be damaging wind
gusts.

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

.Heat...
Heat index values from 100 to 106 degrees are forecast for
portions of the area Sunday and Monday. 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. Severe thunderstorms are unlikely.

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, 12:10 PM CDT, 1 hour 26 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
1210 PM CDT SAT JUN 30 2018

TXZ084-085-087-088-301745-
Foard TX-Knox TX-Wilbarger TX-Baylor TX-
1210 PM CDT SAT JUN 30 2018

...SIGNIFICANT WEATHER ADVISORY FOR southeastern Foard...northeastern
Knox...southwestern Wilbarger and western Baylor Counties Until 1245
PM CDT....

AT 1200 PM CDT, strong thunderstorms were along a line extending from
7 miles south of Thalia to 8 miles south of Millers Creek Reservoir,
moving northeast at 30 MPH.

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

Locations impacted include...
Seymour, Red Springs, Lockett, Thalia, Bomarton, Lake Kemp and
Rayland.

LAT...LON 3340 9945 3396 9961 3407 9950 3407 9949
      3408 9948 3411 9947 3423 9938 3346 9912
      3340 9913
TIME...MOT...LOC 1700Z 216DEG 24KT 3388 9956 3327 9940

WR

Special weather statement, Jun 30, 12:46 PM CDT, 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
1246 PM CDT SAT JUN 30 2018

TXZ084>086-088-089-301815-
Wichita TX-Foard TX-Archer TX-Wilbarger TX-Baylor TX-
1246 PM CDT SAT JUN 30 2018

...SIGNIFICANT WEATHER ADVISORY FOR southwestern Wichita...east
central Foard...northwestern Archer...Wilbarger and northeastern
Baylor Counties Until 115 PM CDT....

AT 1244 PM CDT, strong thunderstorms were along a line extending from
3 miles southeast of Thalia to 6 miles southeast of Seymour, moving
northeast at 30 MPH.

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

Locations impacted include...
Vernon, Seymour, Lake Diversion, Thalia, Dundee, Lockett, Lake Kemp,
Mabelle, Oklaunion, Mankins, Grayback, Lake Kickapoo and Rayland.

LAT...LON 3344 9917 3396 9961 3407 9950 3407 9949
      3408 9948 3410 9948 3425 9925 3375 9870
TIME...MOT...LOC 1744Z 224DEG 28KT 3395 9950 3355 9916

WR

Special weather statement, Jun 30, 1:29 PM CDT, 7 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
129 PM CDT SAT JUN 30 2018

OKZ037-TXZ085-086-301900-
Tillman OK-Wichita TX-Wilbarger TX-
129 PM CDT SAT JUN 30 2018

...SIGNIFICANT WEATHER ADVISORY FOR southern Tillman...northwestern
Wichita and southeastern Wilbarger Counties Until 200 PM CDT....

AT 127 PM CDT, strong thunderstorms were along a line extending from
near Oklaunion to 5 miles south of Harrold, moving northeast at 40
MPH.

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

LAT...LON 3414 9927 3451 9904 3420 9861 3418 9861
      3389 9900
TIME...MOT...LOC 1827Z 213DEG 33KT 3414 9918 3400 9902

WR

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, 1:54 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, 4:27 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Garvin, Lincoln, Logan, McClain, Oklahoma and 2 more	48 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 Severe Thunderstorm Warnings in Texas, 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.