Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 14, NWS Norman, OK

April 27, 2021Wichita County, Texas

NWS Norman, OK issued this tornado warning at Apr 27, 2021, 7:53 PM CDT for Wichita County, Texas. It was in force for 24 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: Apr 27, 2021, 7:53 PM CDT (00:53 UTC)
Expired: Apr 27, 2021, 8:17 PM CDT
In force: 24 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

County Wichita County, TX

The radar

The Altus AFB radar (KFDR), 33 km from the middle of the area, began a volume at 00:56 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 27, 8:07 PM CDT	HAIL 1.25	Electra, TX	REPORT FROM MPING: HALF DOLLAR (1.25 IN.).

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 27, 1:57 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.9 hours before the alert went out and 181 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: 661 J/kg
Mixed-layer CIN: -196 J/kg
Mixed-layer LCL: 1104 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 228 m²/s²
0-3 km storm-relative helicity: 198 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

Open this sounding in Storm Lab

The text

As transmitted.

216 
WFUS54 KOUN 280053
TOROUN
TXC485-280145-
/O.NEW.KOUN.TO.W.0014.210428T0053Z-210428T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Norman OK
753 PM CDT Tue Apr 27 2021

The National Weather Service in Norman has issued a

* Tornado Warning for...
  Northwestern Wichita County in northern Texas...

* Until 845 PM CDT.
    
* At 753 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Electra, moving northeast at 15 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...
  Burkburnett, Electra and Haynesville. 

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 3399 9896 3411 9895 3415 9888 3416 9888
      3415 9886 3416 9886 3416 9881 3414 9880
      3413 9874 3413 9869 3417 9865 3404 9855
      3395 9887 3395 9893
TIME...MOT...LOC 0053Z 236DEG 14KT 3402 9889 

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

$$

JT

2 follow-up statements

854 
WWUS54 KOUN 280106
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
806 PM CDT Tue Apr 27 2021

TXC485-280145-
/O.CON.KOUN.TO.W.0014.000000T0000Z-210428T0145Z/
Wichita TX-
806 PM CDT Tue Apr 27 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
NORTHWESTERN WICHITA COUNTY...
    
At 806 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles east of Electra, moving northeast at 15 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...
Burkburnett and Haynesville. 

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 3405 9892 3411 9894 3415 9888 3416 9888
      3415 9886 3416 9886 3416 9881 3414 9880
      3413 9874 3413 9869 3417 9865 3404 9855
      3402 9887
TIME...MOT...LOC 0106Z 236DEG 14KT 3405 9884 

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

$$

JT

376 
WWUS54 KOUN 280117
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
817 PM CDT Tue Apr 27 2021

TXC485-280127-
/O.CAN.KOUN.TO.W.0014.000000T0000Z-210428T0145Z/
Wichita TX-
817 PM CDT Tue Apr 27 2021

...THE TORNADO WARNING FOR NORTHWESTERN WICHITA COUNTY IS
CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

LAT...LON 3405 9892 3411 9894 3415 9888 3416 9888
      3415 9886 3416 9886 3416 9881 3414 9880
      3413 9874 3413 9869 3417 9865 3404 9855
      3402 9887
TIME...MOT...LOC 0115Z 236DEG 14KT 3407 9880 

$$

JT

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 7:09 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Foard, Knox	51 min
Apr 27, 7:15 PM CDT	Severe Thunderstorm Warning	OUN	Wichita, Wilbarger	45 min
Apr 27, 7:44 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Wilbarger	46 min
Apr 27, 7:58 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Knox, Wilbarger	47 min
Apr 27, 8:39 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Baylor, Wichita, Wilbarger	51 min
Apr 27, 9:06 PM CDT	Special Weather Statement	OUN	Baylor	39 min
Apr 27, 9:35 PM CDT	Special Weather Statement	OUN	Wichita	25 min
Apr 27, 9:54 PM CDT	Special Weather Statement	OUN	Archer	51 min
Apr 27, 10:09 PM CDT	Special Weather Statement	OUN	Wichita	51 min
Apr 27, 10:47 PM CDT	Areal Flood Advisory	OUN	Wichita	118 min
Apr 27, 10:57 PM CDT	Severe Thunderstorm Warning	OUN	Clay	20 min
Apr 27, 11:13 PM CDT	Special Weather Statement	OUN	Clay	47 min
Apr 28, 1:13 AM CDT	Areal Flood Advisory	OUN	Archer, Clay, Wichita	4 hr
Apr 28, 3:11 AM CDT	Flash Flood Warning	OUN	Archer, Clay, Wichita	6 hr
Apr 28, 3:33 AM CDT	Special Weather Statement	OUN	Wichita	27 min
Apr 28, 4:00 AM CDT	Special Weather Statement	OUN	Baylor	30 min
Apr 28, 4:24 AM CDT	Areal Flood Advisory	OUN	Archer, Baylor	3 hr
Apr 28, 4:57 AM CDT	Special Weather Statement	OUN	Clay	33 min
Apr 28, 5:28 AM CDT	Tornado Warning	OUN	Clay	17 min
Apr 28, 4:38 PM CDT	Special Weather Statement	OUN	Hardeman	37 min
Apr 28, 5:12 PM CDT	Special Weather Statement	OUN	Foard	33 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.