Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 567, NWS Norman, OK

November 10, 2021Logan County, Oklahoma County, Payne County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Nov 10, 2021, 5:11 PM CST for Logan County, Oklahoma County, Payne County, Oklahoma. It was in force for 49 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Nov 10, 2021, 5:11 PM CST (23:11 UTC)
Expired: Nov 10, 2021, 6:00 PM CST
In force: 49 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Damage threat: Considerable
Hail: 1.75 in
Wind: 60.0 mph

Counties Logan County, OK, Oklahoma County, OK, Payne County, OK

The radar

The Norman radar (KTLX), 59 km from the middle of the area, began a volume at 23:12 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 was reported inside it

Time	Report	Where
Nov 10, 5:33 PM CST	HAIL 1	6 Sse Navina, OK
Nov 10, 5:38 PM CST	HAIL 1.5	4 Se Guthrie, OK
Nov 10, 5:45 PM CST	HAIL 1	Edmond, OK

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Nov 10, 3:26 PM CST	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.2 hours before the alert went out and 310 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 876 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 408 m²/s²
0-3 km storm-relative helicity: 466 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

611 
WUUS54 KOUN 102311
SVROUN
OKC083-109-119-110000-
/O.NEW.KOUN.SV.W.0567.211110T2311Z-211111T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Norman OK
511 PM CST Wed Nov 10 2021

The National Weather Service in Norman has issued a

* Severe Thunderstorm Warning for...
  Northern Oklahoma County in central Oklahoma...
  Southern Logan County in central Oklahoma...
  Southwestern Payne County in central Oklahoma...

* Until 600 PM CST.

* At 510 PM CST, severe thunderstorms were located along a line
  extending from 3 miles northeast of Guthrie to 3 miles south of
  Cashion, moving northeast at 25 mph.

  HAZARD...Golf ball size hail and 60 mph wind gusts.

  SOURCE...Trained weather spotters reported golf ball size hail 
           near the Kingfisher and Logan county line.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Northeastern Oklahoma City, Edmond, Guthrie, Langston, Luther,
  Coyle, Cedar Valley, Arcadia, Meridian, Navina and Seward.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3610 9712 3594 9714 3562 9714 3562 9767
      3580 9767 3584 9764
TIME...MOT...LOC 2310Z 228DEG 21KT 3588 9738 3577 9766 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Bunker

2 follow-up statements

294 
WWUS54 KOUN 102332
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
532 PM CST Wed Nov 10 2021

OKC083-109-119-110000-
/O.CON.KOUN.SV.W.0567.000000T0000Z-211111T0000Z/
Oklahoma OK-Logan OK-Payne OK-
532 PM CST Wed Nov 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CST
FOR NORTHERN OKLAHOMA...SOUTHERN LOGAN AND SOUTHWESTERN PAYNE
COUNTIES...

At 531 PM CST, severe thunderstorms were located along a line
extending from near Coyle to 8 miles southeast of Cashion, moving
northeast at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Northeastern Oklahoma City, Edmond, Guthrie, Langston, Luther, Coyle,
Arcadia, Meridian, Navina and Seward.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3610 9712 3594 9714 3562 9714 3562 9767
      3581 9758 3589 9740
TIME...MOT...LOC 2331Z 243DEG 19KT 3597 9720 3575 9755 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Bunker

331 
WWUS54 KOUN 102342
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
542 PM CST Wed Nov 10 2021

OKC083-109-119-110000-
/O.CON.KOUN.SV.W.0567.000000T0000Z-211111T0000Z/
Oklahoma OK-Logan OK-Payne OK-
542 PM CST Wed Nov 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CST
FOR NORTHERN OKLAHOMA...SOUTHEASTERN LOGAN AND SOUTHWESTERN PAYNE
COUNTIES...

At 541 PM CST, severe thunderstorms were located along a line
extending from 5 miles southeast of Coyle to near Edmond, moving east
at 35 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Public reported quarter size hail near the Logan and 
         Oklahoma county line.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Northeastern Oklahoma City, Edmond, Guthrie, Langston, Luther, Coyle,
Arcadia and Meridian.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3610 9712 3594 9714 3562 9714 3562 9762
      3582 9743 3589 9737
TIME...MOT...LOC 2341Z 264DEG 29KT 3590 9716 3566 9749 

HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Bunker

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 10, 3:20 PM CST	Special Weather Statement	OUN	Kingfisher	25 min
Nov 10, 3:40 PM CST	Special Weather Statement	OUN	Kingfisher	35 min
Nov 10, 3:49 PM CST	Special Weather Statement	OUN	Noble	26 min
Nov 10, 3:59 PM CST	Severe Thunderstorm Warning	OUN	Garfield, Kingfisher, Logan	46 min
Nov 10, 4:09 PM CST	Special Weather Statement	OUN	Noble	36 min
Nov 10, 4:38 PM CST	Severe Thunderstorm Warning Considerable damage threat	OUN	Kingfisher, Logan	52 min
Nov 10, 4:42 PM CST	Special Weather Statement	OUN	Noble	33 min
Nov 10, 5:24 PM CST	Special Weather Statement	OUN	Cotton	36 min
Nov 10, 5:30 PM CST	Severe Thunderstorm Warning	OUN	Cotton	45 min
Nov 10, 5:36 PM CST	Special Weather Statement	OUN	Payne	24 min
Nov 10, 5:48 PM CST	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Oklahoma, Payne	42 min
Nov 10, 5:50 PM CST	Special Weather Statement	OUN	McClain	25 min
Nov 10, 5:52 PM CST	Special Weather Statement	OUN	Canadian	23 min
Nov 10, 5:53 PM CST	Severe Thunderstorm Warning	OUN	Grady, Stephens	17 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.