Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 6, NWS Norman, OK

April 23, 2021Foard County, Hardeman County, Texas

NWS Norman, OK issued this tornado warning at Apr 23, 2021, 5:40 PM CDT for Foard County, Hardeman County, Texas. It was in force for 39 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: Apr 23, 2021, 5:40 PM CDT (22:40 UTC)
Expired: Apr 23, 2021, 6:19 PM CDT
In force: 39 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

Counties Foard County, TX, Hardeman County, TX

The radar

The Altus AFB radar (KFDR), 75 km from the middle of the area, began a volume at 22:43 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
Apr 23, 5:43 PM CDT	TORNADO	11 S Quanah, TX	ONGOING AS OF 2247UTC, PER PHONE REPORT
Apr 23, 5:54 PM CDT	TORNADO	5 Nne Margaret, TX
Apr 23, 6:05 PM CDT	HAIL 3.37	10 S Quanah, TX	1/4 MI N HURST WILLIAMS RD HWY 6

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
Apr 23, 3:14 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.7 hours before the alert went out and 218 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: 1968 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 245 m²/s²
0-3 km storm-relative helicity: 248 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

833 
WFUS54 KOUN 232240
TOROUN
TXC155-197-232330-
/O.NEW.KOUN.TO.W.0006.210423T2240Z-210423T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Norman OK
540 PM CDT Fri Apr 23 2021

The National Weather Service in Norman has issued a

* Tornado Warning for...
  East central Foard County in northern Texas...
  Southeastern Hardeman County in northern Texas...

* Until 630 PM CDT.
    
* At 539 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles northwest of Margaret, moving southeast at 30
  mph. Funnel clouds have been reported with this storm.

  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...
  Margaret, Medicine Mound and Copper Breaks State Park. 

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 3409 9985 3419 9981 3420 9954 3401 9961
TIME...MOT...LOC 2239Z 295DEG 25KT 3412 9976 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

Ware

2 follow-up statements

219 
WWUS54 KOUN 232247
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
547 PM CDT Fri Apr 23 2021

TXC155-197-232330-
/O.CON.KOUN.TO.W.0006.000000T0000Z-210423T2330Z/
Foard TX-Hardeman TX-
547 PM CDT Fri Apr 23 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR EAST
CENTRAL FOARD AND SOUTHEASTERN HARDEMAN COUNTIES...
    
At 544 PM CDT, a confirmed tornado was located 7 miles southwest of 
Medicine Mound , moving east at 30 mph. 

HAZARD...Damaging tornado and golf 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...
Margaret, Medicine Mound and Copper Breaks State Park. 

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 3408 9981 3419 9977 3420 9954 3401 9961
TIME...MOT...LOC 2244Z 295DEG 25KT 3410 9972 

TORNADO...OBSERVED
HAIL...1.75IN

$$

Ware

604 
WWUS54 KOUN 232319
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
619 PM CDT Fri Apr 23 2021

TXC155-197-232329-
/O.CAN.KOUN.TO.W.0006.000000T0000Z-210423T2330Z/
Foard TX-Hardeman TX-
619 PM CDT Fri Apr 23 2021

...THE TORNADO WARNING FOR EAST CENTRAL FOARD AND SOUTHEASTERN
HARDEMAN COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

LAT...LON 3408 9981 3419 9977 3420 9954 3401 9961
TIME...MOT...LOC 2318Z 295DEG 25KT 3400 9945 

$$

Ware

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 23, 1:58 PM CDT	Special Weather Statement	OUN	Clay	47 min
Apr 23, 4:44 PM CDT	Severe Thunderstorm Warning	OUN	Foard, Hardeman	46 min
Apr 23, 4:52 PM CDT	Special Weather Statement	OUN	Foard	38 min
Apr 23, 5:17 PM CDT	Severe Thunderstorm Warning	OUN	Foard, Knox	43 min
Apr 23, 5:23 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Knox	52 min
Apr 23, 5:28 PM CDT	Severe Thunderstorm Warning	OUN	Foard, Hardeman	47 min
Apr 23, 5:52 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Foard, Wilbarger	38 min
Apr 23, 5:59 PM CDT	Tornado Warning Tornado observed	OUN	Foard, Hardeman, Wilbarger	46 min
Apr 23, 6:08 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Baylor, Wichita	52 min
Apr 23, 6:18 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	OUN	Foard, Hardeman, Wilbarger	42 min
Apr 23, 6:43 PM CDT	Tornado Warning Tornado observed	OUN	Wilbarger	32 min
Apr 23, 6:57 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Wichita	19 min

Nearby

Tornado Warnings in Texas, 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.