Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 355, NWS Norman, OK

June 26, 20214 counties in Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 26, 2021, 3:14 AM CDT for 4 counties in Oklahoma. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 26, 2021, 3:14 AM CDT (08:14 UTC)
Expired: Jun 26, 2021, 4:00 AM CDT
In force: 46 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Canadian County, OK, Kingfisher County, OK, Logan County, OK, Oklahoma County, OK

The radar

The Norman radar (KTLX), 61 km from the middle of the area, began a volume at 08:13 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 25, 11:59 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 8.2 hours before the alert went out and 299 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1147 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 2013 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 63 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

As transmitted.

968 
WUUS54 KOUN 260814
SVROUN
OKC017-073-083-109-260900-
/O.NEW.KOUN.SV.W.0355.210626T0814Z-210626T0900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Norman OK
314 AM CDT Sat Jun 26 2021

The National Weather Service in Norman has issued a

* Severe Thunderstorm Warning for...
  Southern Kingfisher County in central Oklahoma...
  Western Oklahoma County in central Oklahoma...
  Southwestern Logan County in central Oklahoma...
  Canadian County in central Oklahoma...

* Until 400 AM CDT.

* At 314 AM CDT, severe thunderstorms were located along a line
  extending from 10 miles south of Loyal to 3 miles northwest of El
  Reno to 6 miles west of Union City, moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Oklahoma City, western Edmond, Del City, El Reno, Guthrie,
  Kingfisher, Yukon, Bethany, Mustang, Warr Acres, The Village,
  Piedmont, Nichols Hills, Union City, Okarche, Cashion, Calumet,
  Cedar Valley, Cimarron City and Concho.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3590 9750 3558 9739 3538 9750 3538 9811
      3555 9808 3572 9821 3590 9821
TIME...MOT...LOC 0814Z 268DEG 33KT 3582 9815 3555 9802 3542 9805 

HAIL...<.75IN
WIND...60MPH
 
$$

Mahale

2 follow-up statements

665 
WWUS54 KOUN 260836
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
336 AM CDT Sat Jun 26 2021

OKC017-073-083-109-260900-
/O.CON.KOUN.SV.W.0355.000000T0000Z-210626T0900Z/
Kingfisher OK-Oklahoma OK-Logan OK-Canadian OK-
336 AM CDT Sat Jun 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM CDT
FOR SOUTHEASTERN KINGFISHER...WESTERN OKLAHOMA...SOUTHWESTERN LOGAN
AND EASTERN CANADIAN COUNTIES...

At 336 AM CDT, severe thunderstorms were located along a line
extending from 4 miles west of Cashion to 3 miles northwest of Yukon
to 6 miles east of Union City, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Oklahoma City, western Edmond, Del City, El Reno, Guthrie,
Kingfisher, Yukon, Bethany, Mustang, Warr Acres, The Village,
Piedmont, Nichols Hills, Union City, Okarche, Cashion, Cedar Valley,
Cimarron City, Concho and Forest Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3590 9750 3558 9739 3538 9750 3538 9811
      3555 9808 3565 9801 3590 9804
TIME...MOT...LOC 0836Z 267DEG 33KT 3582 9775 3556 9780 3543 9783 

HAIL...<.75IN
WIND...60MPH
 
$$

Mahale

759 
WWUS54 KOUN 260843
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
343 AM CDT Sat Jun 26 2021

OKC017-073-083-109-260900-
/O.CON.KOUN.SV.W.0355.000000T0000Z-210626T0900Z/
Kingfisher OK-Oklahoma OK-Logan OK-Canadian OK-
343 AM CDT Sat Jun 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM CDT
FOR SOUTHEASTERN KINGFISHER...WESTERN OKLAHOMA...SOUTHWESTERN LOGAN
AND EASTERN CANADIAN COUNTIES...

At 343 AM CDT, severe thunderstorms were located along a line
extending from near Cashion to near Oklahoma City to near Mustang,
moving east at 40 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Oklahoma City, western Edmond, Del City, El Reno, Guthrie, Yukon,
Bethany, Mustang, Warr Acres, The Village, Piedmont, Nichols Hills,
Cashion, Cedar Valley, Cimarron City, Forest Park, Woodlawn Park,
Lake Aluma, Seward and Richland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3590 9750 3558 9739 3538 9750 3538 9784
      3547 9794 3558 9784 3590 9783
TIME...MOT...LOC 0843Z 267DEG 34KT 3582 9765 3556 9766 3543 9773 

HAIL...<.75IN
WIND...70MPH
 
$$

Mahale

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 7:18 PM CDT	Special Weather Statement	OUN	Ellis, Woodward	42 min
Jun 25, 7:59 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Roger Mills	46 min
Jun 25, 8:08 PM CDT	Special Weather Statement	OUN	Dewey, Woodward	52 min
Jun 25, 8:28 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Custer, Dewey, Ellis, Roger Mills, Washita	47 min
Jun 25, 8:52 PM CDT	Special Weather Statement	OUN	Alfalfa, Blaine, Dewey, Major, Woodward	38 min
Jun 25, 9:07 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Custer, Dewey, Major, Woodward	38 min
Jun 25, 9:43 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Custer, Dewey, Kingfisher, Major	33 min
Jun 25, 10:06 PM CDT	Special Weather Statement	OUN	Grant	39 min
Jun 25, 10:41 PM CDT	Special Weather Statement	OUN	Blaine, Garfield, Kingfisher, Logan, Noble	49 min
Jun 25, 10:42 PM CDT	Special Weather Statement	OUN	Woodward	48 min
Jun 25, 11:21 PM CDT	Special Weather Statement	OUN	Woodward	24 min
Jun 25, 11:25 PM CDT	Special Weather Statement	OUN	Ellis, Harper, Woodward	50 min
Jun 25, 11:44 PM CDT	Areal Flood Advisory	OUN	Dewey, Ellis, Woodward	6 hr
Jun 25, 11:46 PM CDT	Special Weather Statement	OUN	Roger Mills	44 min
Jun 26, 12:13 AM CDT	Flash Flood Warning	OUN	Dewey, Ellis, Woodward	4 hr
Jun 26, 12:26 AM CDT	Special Weather Statement	OUN	Beckham, Custer, Dewey	49 min
Jun 26, 12:47 AM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer, Harmon, Roger Mills	43 min
Jun 26, 1:06 AM CDT	Areal Flood Advisory	OUN	Blaine, Dewey, Major, Woodward	4 hr
Jun 26, 1:12 AM CDT	Special Weather Statement	OUN	Blaine, Custer, Dewey, Washita	48 min
Jun 26, 1:19 AM CDT	Severe Thunderstorm Warning	OUN	Beckham, Custer, Greer, Kiowa, Washita	41 min
Jun 26, 1:49 AM CDT	Areal Flood Advisory	OUN	Dewey, Ellis	3 hr
Jun 26, 1:55 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Custer, Kiowa, Washita	50 min
Jun 26, 2:40 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Canadian, Grady, Kingfisher	50 min
Jun 26, 3:39 AM CDT	Areal Flood Advisory	OUN	Blaine, Garfield, Kingfisher, Logan, Major, Noble and 1 more	3 hr
Jun 26, 3:52 AM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Lincoln, Logan, Oklahoma, Pottawatomie	38 min
Jun 26, 4:29 AM CDT	Special Weather Statement	OUN	Cleveland, Lincoln, Pottawatomie	46 min
Jun 26, 4:44 AM CDT	Areal Flood Advisory	OUN	Canadian, Cleveland, McClain, Oklahoma	6 hr
Jun 26, 7:32 AM CDT	Flash Flood Warning	OUN	Caddo, Comanche, Grady	4 hr
Jun 26, 2:04 PM CDT	River Flood Warning	OUN	Cleveland, McClain	46 hr
Jun 26, 2:05 PM CDT	River Flood Warning	OUN	Lincoln, Oklahoma, Pottawatomie	39 hr
Jun 26, 2:05 PM CDT	River Flood Advisory	OUN	Cleveland, McClain, Pottawatomie	31 hr
Jun 26, 2:06 PM CDT	River Flood Warning	OUN	Pottawatomie, Seminole	19 hr
Jun 26, 2:13 PM CDT	River Flood Watch	OUN	Garvin	13 hr
Jun 26, 3:36 PM CDT	Special Weather Statement	OUN	Comanche	24 min
Jun 26, 3:53 PM CDT	Special Weather Statement	OUN	Jackson	37 min
Jun 26, 4:00 PM CDT	Special Weather Statement	OUN	Comanche	30 min
Jun 26, 4:17 PM CDT	Special Weather Statement	OUN	Jackson	28 min
Jun 26, 4:27 PM CDT	Special Weather Statement	OUN	Comanche	48 min
Jun 26, 4:32 PM CDT	Areal Flood Advisory	OUN	Comanche	3 hr
Jun 26, 4:48 PM CDT	Special Weather Statement	OUN	Tillman	42 min
Jun 26, 4:48 PM CDT	Special Weather Statement	OUN	Jackson	42 min
Jun 26, 4:55 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Kiowa, Tillman	50 min
Jun 26, 4:55 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Grady	39 min
Jun 26, 5:13 PM CDT	Special Weather Statement	OUN	Kiowa	32 min
Jun 26, 5:20 PM CDT	Special Weather Statement	OUN	Ellis	25 min
Jun 26, 5:37 PM CDT	Special Weather Statement	OUN	Tillman	38 min
Jun 26, 5:48 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Kiowa, Tillman	42 min
Jun 26, 5:55 PM CDT	Special Weather Statement	OUN	Custer	35 min
Jun 26, 6:13 PM CDT	Areal Flood Advisory	OUN	Caddo	3 hr
Jun 26, 6:19 PM CDT	Areal Flood Advisory	OUN	Blaine, Caddo, Custer	3 hr
Jun 26, 6:20 PM CDT	Severe Thunderstorm Warning	OUN	Blaine	40 min
Jun 26, 6:31 PM CDT	Special Weather Statement	OUN	Tillman	29 min
Jun 26, 6:43 PM CDT	Areal Flood Advisory	OUN	Comanche, Cotton, Tillman	3 hr
Jun 26, 6:45 PM CDT	Severe Thunderstorm Warning	OUN	Blaine	45 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2021 Every severe thunderstorm warning in 2021

Sources

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