Alert archive / Oklahoma / Tornado Warnings in 2021

Tornado Warning 49, NWS Norman, OK

November 10, 2021Carter County, Murray County, Oklahoma

NWS Norman, OK issued this tornado warning at Nov 10, 2021, 7:46 PM CST for Carter County, Murray County, Oklahoma. It was in force for 27 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: Nov 10, 2021, 7:46 PM CST (01:46 UTC)
Expired: Nov 10, 2021, 8:13 PM CST
In force: 27 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Carter County, OK, Murray County, OK

The radar

The Norman radar (KTLX), 106 km from the middle of the area, began a volume at 01:48 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
Nov 10, 3:26 PM CST	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.8 hours before the alert went out and 95 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: 964 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 884 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 186 m²/s²
0-3 km storm-relative helicity: 206 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.4

Open this sounding in Storm Lab

The text

As transmitted.

212 
WFUS54 KOUN 110146
TOROUN
OKC019-099-110230-
/O.NEW.KOUN.TO.W.0049.211111T0146Z-211111T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Norman OK
746 PM CST Wed Nov 10 2021

The National Weather Service in Norman has issued a

* Tornado Warning for...
  Central Carter County in southern Oklahoma...
  Southwestern Murray County in southern Oklahoma...

* Until 830 PM CST.
    
* At 745 PM CST, a severe thunderstorm capable of producing a tornado
  was located 5 miles east of Pooleville, moving east at 20 mph.

  HAZARD...Tornado and quarter 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...
  Springer, Dougherty, Turner Falls and Lake Of The Arbuckles. 

This includes Interstate 35 between mile markers 41 and 50.
 
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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3437 9735 3445 9735 3443 9696 3428 9710
TIME...MOT...LOC 0145Z 290DEG 16KT 3442 9731 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Mahale

4 follow-up statements

225 
WWUS54 KOUN 110154
SVSOUN

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

OKC019-099-110230-
/O.CON.KOUN.TO.W.0049.000000T0000Z-211111T0230Z/
Carter OK-Murray OK-
754 PM CST Wed Nov 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CST FOR CENTRAL
CARTER AND SOUTHWESTERN MURRAY COUNTIES...
    
At 754 PM CST, a severe thunderstorm capable of producing a tornado
was located 6 miles southwest of Turner Falls, moving southeast at 20
mph.

HAZARD...Tornado and quarter 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...
Springer and Dougherty. 

This includes Interstate 35 between mile markers 41 and 48.
 
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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3436 9733 3443 9727 3441 9698 3428 9710
TIME...MOT...LOC 0154Z 294DEG 18KT 3438 9724 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Mahale

600 
WWUS54 KOUN 110201
SVSOUN

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

OKC019-099-110230-
/O.CON.KOUN.TO.W.0049.000000T0000Z-211111T0230Z/
Carter OK-Murray OK-
801 PM CST Wed Nov 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CST FOR EAST
CENTRAL CARTER AND SOUTHWESTERN MURRAY COUNTIES...
    
At 800 PM CST, a severe thunderstorm capable of producing a tornado
was located 5 miles northwest of Springer, moving southeast at 20
mph.

HAZARD...Tornado and quarter 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...
Springer.

This includes Interstate 35 between mile markers 41 and 47.
 
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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3435 9729 3441 9725 3438 9701 3428 9710
TIME...MOT...LOC 0200Z 295DEG 19KT 3436 9720 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Mahale

069 
WWUS54 KOUN 110209
SVSOUN

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

OKC099-110218-
/O.CAN.KOUN.TO.W.0049.000000T0000Z-211111T0230Z/
Murray OK-
809 PM CST Wed Nov 10 2021

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

LAT...LON 3434 9727 3438 9722 3437 9704 3436 9703
      3428 9710
TIME...MOT...LOC 0208Z 294DEG 16KT 3433 9717 

$$

OKC019-110230-
/O.CON.KOUN.TO.W.0049.000000T0000Z-211111T0230Z/
Carter OK-
809 PM CST Wed Nov 10 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CST FOR EAST
CENTRAL CARTER COUNTY...
    
At 808 PM CST, a severe thunderstorm capable of producing a tornado
was located near Springer, moving southeast at 20 mph.

HAZARD...Tornado and quarter 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...
Springer.

This includes Interstate 35 between mile markers 41 and 45.
 
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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3434 9727 3438 9722 3437 9704 3436 9703
      3428 9710
TIME...MOT...LOC 0208Z 294DEG 16KT 3433 9717 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Mahale

923 
WWUS54 KOUN 110213
SVSOUN

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

OKC019-110222-
/O.CAN.KOUN.TO.W.0049.000000T0000Z-211111T0230Z/
Carter OK-
813 PM CST Wed Nov 10 2021

...THE TORNADO WARNING FOR EAST CENTRAL CARTER COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

LAT...LON 3434 9727 3438 9722 3437 9704 3436 9703
      3428 9710
TIME...MOT...LOC 0211Z 290DEG 16KT 3432 9715 

$$

Mahale

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 10, 6:15 PM CST	Special Weather Statement	OUN	Garvin	30 min
Nov 10, 6:18 PM CST	Severe Thunderstorm Warning Considerable damage threat	OUN	Payne	27 min
Nov 10, 6:20 PM CST	Severe Thunderstorm Warning	OUN	Carter, Garvin, Stephens	40 min
Nov 10, 6:24 PM CST	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Oklahoma, Payne, Pottawatomie	51 min
Nov 10, 6:36 PM CST	Special Weather Statement	OUN	Cleveland, McClain	24 min
Nov 10, 6:40 PM CST	Tornado Warning	OUN	Carter, Garvin, Stephens	27 min
Nov 10, 6:42 PM CST	Severe Thunderstorm Warning	OUN	Jefferson	21 min
Nov 10, 7:10 PM CST	Severe Thunderstorm Warning	OUN	Cleveland, Lincoln, Oklahoma, Pottawatomie, Seminole	50 min
Nov 10, 7:11 PM CST	Special Weather Statement	OUN	Carter	34 min
Nov 10, 7:13 PM CST	Special Weather Statement	OUN	Garvin	32 min
Nov 10, 7:17 PM CST	Special Weather Statement	OUN	Bryan	13 min
Nov 10, 7:18 PM CST	Special Weather Statement	OUN	Pontotoc	27 min
Nov 10, 7:31 PM CST	Special Weather Statement	OUN	Bryan	29 min
Nov 10, 7:33 PM CST	Special Weather Statement	OUN	Bryan	27 min
Nov 10, 7:41 PM CST	Severe Thunderstorm Warning	OUN	Bryan	19 min
Nov 10, 8:16 PM CST	Special Weather Statement	OUN	Carter	29 min
Nov 10, 8:28 PM CST	Special Weather Statement	OUN	Coal	32 min
Nov 10, 8:50 PM CST	Special Weather Statement	OUN	Atoka	25 min
Nov 10, 8:56 PM CST	Special Weather Statement	OUN	Atoka	34 min
Nov 10, 9:13 PM CST	Special Weather Statement	OUN	Atoka	32 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.