Alert archive / Oklahoma / Tornado Warnings in 2021

Tornado Warning 36, NWS Norman, OK

October 12, 2021Comanche County, Kiowa County, Tillman County, Oklahoma

NWS Norman, OK issued this tornado warning at Oct 12, 2021, 8:12 PM CDT for Comanche County, Kiowa County, Tillman County, Oklahoma. It was in force for 48 min. 1 report 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: Oct 12, 2021, 8:12 PM CDT (01:12 UTC)
Expired: Oct 12, 2021, 9:00 PM CDT
In force: 48 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

Counties Comanche County, OK, Kiowa County, OK, Tillman County, OK

The radar

The Altus AFB radar (KFDR), 52 km from the middle of the area, began a volume at 01:13 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.

What was reported inside it

Time	Report	Where	Remark
Oct 12, 8:21 PM CDT	HAIL 1.75	5 S Snyder, 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
Oct 12, 5:34 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.2 hours before the alert went out and 131 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: 496 J/kg
Mixed-layer CIN: -164 J/kg
Mixed-layer LCL: 662 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 331 m²/s²
0-3 km storm-relative helicity: 372 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.5

Open this sounding in Storm Lab

The text

As transmitted.

716 
WFUS54 KOUN 130112
TOROUN
OKC031-075-141-130200-
/O.NEW.KOUN.TO.W.0036.211013T0112Z-211013T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Norman OK
812 PM CDT Tue Oct 12 2021

The National Weather Service in Norman has issued a

* Tornado Warning for...
  Northwestern Comanche County in southwestern Oklahoma...
  Southeastern Kiowa County in southwestern Oklahoma...
  North central Tillman County in southwestern Oklahoma...

* Until 900 PM CDT.
    
* At 812 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 4 miles northeast of Manitou, moving northeast at 30
  mph.

  HAZARD...Tornado and golf ball size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Snyder, Indiahoma, Manitou, Cooperton, Meers, southwestern Fort
  Sill and Wichita Mountains Wildlife Refuge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter, safe room or an interior
room on the lowest floor of a sturdy building. Avoid windows. If you
are outdoors, in a mobile home, or in a vehicle, move to the closest
substantial shelter and protect yourself from flying debris.

&&

LAT...LON 3498 9883 3486 9862 3485 9862 3486 9860
      3481 9852 3444 9887 3451 9901
TIME...MOT...LOC 0112Z 210DEG 24KT 3455 9891 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.75 IN

$$

BRB

6 follow-up statements

750 
WWUS54 KOUN 130116
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
816 PM CDT Tue Oct 12 2021

OKC031-075-141-130200-
/O.CON.KOUN.TO.W.0036.000000T0000Z-211013T0200Z/
Comanche OK-Kiowa OK-Tillman OK-
816 PM CDT Tue Oct 12 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHWESTERN COMANCHE...SOUTHEASTERN KIOWA AND NORTH CENTRAL TILLMAN
COUNTIES...
    
At 816 PM CDT, a confirmed tornado was located 6 miles southeast of
Snyder, moving northeast at 25 mph.

HAZARD...Damaging tornado and ping pong ball size hail.

SOURCE...Weather spotters confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Snyder, Indiahoma, Cooperton, Meers, southwestern Fort Sill and
Wichita Mountains Wildlife Refuge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
storm shelter, safe room, or an interior room on the lowest floor of
a sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3446 9885 3454 9900 3498 9883 3486 9862
      3485 9862 3486 9860 3481 9852
TIME...MOT...LOC 0116Z 211DEG 23KT 3458 9889 

TORNADO...OBSERVED
MAX HAIL SIZE...1.50 IN

$$

BRB

901 
WWUS54 KOUN 130122
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
822 PM CDT Tue Oct 12 2021

OKC031-075-141-130200-
/O.CON.KOUN.TO.W.0036.000000T0000Z-211013T0200Z/
Comanche OK-Kiowa OK-Tillman OK-
822 PM CDT Tue Oct 12 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHWESTERN COMANCHE...SOUTHEASTERN KIOWA AND NORTH CENTRAL TILLMAN
COUNTIES...
    
At 821 PM CDT, a confirmed large and extremely dangerous tornado was
located 5 miles southeast of Snyder, moving northeast at 25 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Weather spotters confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations impacted include...
Snyder, Indiahoma, Cooperton, southwestern Fort Sill and Wichita
Mountains Wildlife Refuge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, an extremely dangerous and potentially deadly tornado is
on the ground. To protect your life, TAKE COVER NOW! Move to a storm
shelter, safe room, or an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3452 9881 3458 9899 3498 9883 3486 9862
      3485 9862 3486 9860 3483 9855
TIME...MOT...LOC 0121Z 207DEG 21KT 3460 9889 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
MAX HAIL SIZE...1.75 IN

$$

BRB

647 
WWUS54 KOUN 130135
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
835 PM CDT Tue Oct 12 2021

OKC141-130144-
/O.CAN.KOUN.TO.W.0036.000000T0000Z-211013T0200Z/
Tillman OK-
835 PM CDT Tue Oct 12 2021

...THE TORNADO WARNING FOR NORTH CENTRAL TILLMAN COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has weakened. 
moved out of the warned area. Therefore, the warning has been 
cancelled.

LAT...LON 3457 9877 3464 9893 3497 9881 3486 9862
      3485 9862 3486 9860 3483 9855
TIME...MOT...LOC 0134Z 212DEG 27KT 3469 9882 

$$

OKC031-075-130200-
/O.CON.KOUN.TO.W.0036.000000T0000Z-211013T0200Z/
Comanche OK-Kiowa OK-
835 PM CDT Tue Oct 12 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHWESTERN COMANCHE AND SOUTHEASTERN KIOWA COUNTIES...
    
At 834 PM CDT, a confirmed tornado was located 5 miles northwest of
Indiahoma, moving northeast at 30 mph.

HAZARD...Damaging tornado and ping pong ball size hail.

SOURCE...Weather spotters confirmed tornado. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Indiahoma, southwestern Fort Sill and Wichita Mountains Wildlife
Refuge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
storm shelter, safe room, or an interior room on the lowest floor of
a sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3457 9877 3464 9893 3497 9881 3486 9862
      3485 9862 3486 9860 3483 9855
TIME...MOT...LOC 0134Z 212DEG 27KT 3469 9882 

TORNADO...OBSERVED
MAX HAIL SIZE...1.50 IN

$$

BRB

273 
WWUS54 KOUN 130136
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
836 PM CDT Tue Oct 12 2021

OKC031-075-130200-
/O.CON.KOUN.TO.W.0036.000000T0000Z-211013T0200Z/
Comanche OK-Kiowa OK-
836 PM CDT Tue Oct 12 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHWESTERN COMANCHE AND SOUTHEASTERN KIOWA COUNTIES...
    
At 836 PM CDT, a confirmed large and extremely dangerous tornado was
located 6 miles northwest of Indiahoma, moving northeast at 30 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Weather spotters confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations impacted include...
Indiahoma, southwestern Fort Sill and Wichita Mountains Wildlife
Refuge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, an extremely dangerous and potentially deadly tornado is
on the ground. To protect your life, TAKE COVER NOW! Move to a storm
shelter, safe room, or an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3459 9876 3465 9891 3497 9881 3486 9862
      3485 9862 3486 9860 3483 9855
TIME...MOT...LOC 0136Z 210DEG 24KT 3470 9881 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
MAX HAIL SIZE...1.50 IN

$$

BRB

265 
WWUS54 KOUN 130142 RRA
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
842 PM CDT Tue Oct 12 2021

OKC031-075-130200-
/O.CON.KOUN.TO.W.0036.000000T0000Z-211013T0200Z/
Comanche OK-Kiowa OK-
842 PM CDT Tue Oct 12 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHWESTERN COMANCHE AND SOUTHEASTERN KIOWA COUNTIES...
    
At 842 PM CDT, a confirmed large and extremely dangerous tornado was
located 7 miles northwest of Indiahoma, moving north at 20 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Weather spotters confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations impacted include...
Southwestern Fort Sill and western Wichita Mountains Wildlife Refuge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, an extremely dangerous and potentially deadly tornado is
on the ground. To protect your life, TAKE COVER NOW! Move to a storm
shelter, safe room, or an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3464 9876 3469 9890 3497 9881 3486 9862
      3485 9862 3486 9860 3485 9858
TIME...MOT...LOC 0142Z 197DEG 18KT 3472 9881 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
MAX HAIL SIZE...1.50 IN

$$

BRB

135 
WWUS54 KOUN 130149
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
849 PM CDT Tue Oct 12 2021

OKC031-075-130200-
/O.CON.KOUN.TO.W.0036.000000T0000Z-211013T0200Z/
Comanche OK-Kiowa OK-
849 PM CDT Tue Oct 12 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHWESTERN COMANCHE AND SOUTHEASTERN KIOWA COUNTIES...
    
At 848 PM CDT, radar indicated two tornadoes. One 8 miles east of 
Mountain Park and one 5 miles north of Indiahoma, moving northeast 
at 25 mph.

HAZARD...Damaging tornado and ping pong ball size hail.

SOURCE...Weather spotters confirmed tornado earlier with this storm. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Southwestern Fort Sill and western Wichita Mountains Wildlife Refuge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
storm shelter, safe room, or an interior room on the lowest floor of
a sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3464 9876 3473 9889 3497 9881 3486 9862
      3485 9862 3486 9860 3485 9858
TIME...MOT...LOC 0148Z 215DEG 21KT 3474 9882 3469 9877 

TORNADO...OBSERVED
MAX HAIL SIZE...1.50 IN

$$

BRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 12, 7:12 PM CDT	Tornado Warning	OUN	Washita	14 min
Oct 12, 7:19 PM CDT	Special Weather Statement	OUN	Tillman	26 min
Oct 12, 7:24 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Custer, Washita	51 min
Oct 12, 7:40 PM CDT	Tornado Warning	OUN	Comanche, Kiowa, Tillman	50 min
Oct 12, 8:02 PM CDT	Tornado Warning Tornado observed	OUN	Blaine, Custer, Dewey	43 min
Oct 12, 8:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Blaine, Custer, Dewey	49 min
Oct 12, 8:46 PM CDT	Tornado Warning	OUN	Blaine, Custer, Dewey	44 min
Oct 12, 8:53 PM CDT	Tornado Warning	OUN	Caddo, Comanche, Kiowa, Washita	52 min
Oct 12, 9:43 PM CDT	Tornado Warning	OUN	Caddo	32 min
Oct 12, 10:49 PM CDT	Special Weather Statement	OUN	Canadian	41 min
Oct 12, 10:58 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Ellis, Harper, Woods, Woodward	77 min
Oct 13, 12:14 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Ellis, Harper, Woods, Woodward	61 min
Oct 13, 12:38 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Ellis, Roger Mills, Woodward	67 min
Oct 13, 1:14 AM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper, Major, Woods, Woodward	61 min
Oct 13, 1:44 AM CDT	Severe Thunderstorm Warning	OUN	Beckham, Custer, Dewey, Roger Mills	46 min
Oct 13, 2:02 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Alfalfa, Woods	29 min
Oct 13, 2:06 AM CDT	Special Weather Statement	OUN	Beckham	24 min
Oct 13, 2:23 AM CDT	Special Weather Statement	OUN	Dewey, Major	37 min
Oct 13, 2:29 AM CDT	Special Weather Statement	OUN	Beckham	31 min
Oct 13, 2:58 AM CDT	Special Weather Statement	OUN	Alfalfa, Blaine, Dewey, Grant, Major	47 min
Oct 13, 3:00 AM CDT	Special Weather Statement	OUN	Custer, Greer, Harmon, Jackson, Washita	45 min
Oct 13, 3:35 AM CDT	Special Weather Statement	OUN	Garfield, Grant, Kingfisher	25 min
Oct 13, 3:41 AM CDT	Special Weather Statement	OUN	Caddo, Kiowa, Tillman	34 min
Oct 13, 3:56 AM CDT	Special Weather Statement	OUN	Garfield, Kay, Kingfisher, Noble	49 min
Oct 13, 4:11 AM CDT	Special Weather Statement	OUN	Caddo, Canadian	49 min
Oct 13, 4:25 AM CDT	Severe Thunderstorm Warning	OUN	Kay	39 min
Oct 13, 4:41 AM CDT	Special Weather Statement	OUN	Tillman	49 min
Oct 13, 4:45 AM CDT	Special Weather Statement	OUN	Logan, Noble, Payne	45 min
Oct 13, 4:59 AM CDT	Special Weather Statement	OUN	Cleveland, Comanche, Grady, Oklahoma	46 min
Oct 13, 5:07 AM CDT	Tornado Warning	OUN	Canadian, Oklahoma	23 min
Oct 13, 5:27 AM CDT	Tornado Warning	OUN	Oklahoma	18 min
Oct 13, 5:31 AM CDT	Special Weather Statement	OUN	Lincoln, Payne	29 min
Oct 13, 5:41 AM CDT	Special Weather Statement	OUN	Cleveland, Grady, McClain, Oklahoma, Stephens	49 min
Oct 13, 5:44 AM CDT	Tornado Warning	OUN	Lincoln, Logan, Oklahoma	18 min
Oct 13, 5:59 AM CDT	Special Weather Statement	OUN	Lincoln	46 min
Oct 13, 6:06 AM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Garvin, Grady, McClain	24 min
Oct 13, 6:27 AM CDT	Special Weather Statement	OUN	Garvin, Lincoln, Pottawatomie	33 min
Oct 13, 6:44 AM CDT	Areal Flood Advisory	OUN	Cleveland, Oklahoma	2 hr
Oct 13, 6:55 AM CDT	Special Weather Statement	OUN	Pontotoc, Seminole	50 min
Oct 13, 6:57 AM CDT	Special Weather Statement	OUN	Carter, Garvin, Love, Murray	48 min
Oct 13, 7:19 AM CDT	Tornado Warning	OUN	Pontotoc, Pottawatomie, Seminole	26 min
Oct 13, 7:29 AM CDT	Areal Flood Advisory	OUN	Pottawatomie	3 hr
Oct 13, 7:44 AM CDT	Special Weather Statement	OUN	Coal, Hughes, Pontotoc, Seminole	46 min
Oct 13, 8:07 AM CDT	Tornado Warning	OUN	Hughes	23 min
Oct 13, 2:54 PM CDT	Special Weather Statement	OUN	Bryan	66 min
Oct 13, 3:17 PM CDT	Areal Flood Advisory	OUN	Atoka, Bryan	3 hr

Nearby

Tornado Warnings in Oklahoma, 2021 Every tornado warning in 2021 Tornadoes 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.