Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 261, NWS Norman, OK

May 27, 2021Hardeman County, Wilbarger County, Texas

NWS Norman, OK issued this severe thunderstorm warning at May 27, 2021, 8:26 PM CDT for Hardeman County, Wilbarger County, Texas. It was in force for 49 min. 2 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: May 27, 2021, 8:26 PM CDT (01:26 UTC)
Expired: May 27, 2021, 9:15 PM CDT
In force: 49 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 2.5 in
Wind: 60.0 mph

Counties Hardeman County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 54 km from the middle of the area, began a volume at 01:27 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
May 27, 8:28 PM CDT	HAIL 1	4 Ese Quanah, TX	SPOTTERNETWORK REPORT.
May 27, 9:02 PM CDT	HAIL 1.25	7 Nw Vernon, TX	REPORT FROM MPING.

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
May 27, 3:39 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 1.4 hours before the alert went out and 224 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: 474 J/kg
Mixed-layer CIN: -119 J/kg
Mixed-layer LCL: 1941 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 180 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

As transmitted.

061 
WUUS54 KOUN 280126
SVROUN
TXC197-487-280215-
/O.NEW.KOUN.SV.W.0261.210528T0126Z-210528T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Norman OK
826 PM CDT Thu May 27 2021

The National Weather Service in Norman has issued a

* Severe Thunderstorm Warning for...
  West central Wilbarger County in northern Texas...
  East central Hardeman County in northern Texas...

* Until 915 PM CDT.

* At 825 PM CDT, a severe thunderstorm was located 6 miles west of 
  Chillicothe, moving east-southeast at 25 mph. Hail to the size of 
  tennis balls has been reported at Quanah. This storm will affect 
  motorists along U.S. Highway 287 between Quanah and Vernon.

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

  SOURCE...Radar indicated.

  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...
  Chillicothe.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3426 9972 3437 9967 3429 9928 3411 9937
TIME...MOT...LOC 0125Z 290DEG 20KT 3429 9962 

HAIL...2.50IN
WIND...60MPH
 
$$

..speg.

1 follow-up statement

963 
WWUS54 KOUN 280155
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
855 PM CDT Thu May 27 2021

TXC197-487-280215-
/O.CON.KOUN.SV.W.0261.000000T0000Z-210528T0215Z/
Wilbarger TX-Hardeman TX-
855 PM CDT Thu May 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR WEST CENTRAL WILBARGER AND EAST CENTRAL HARDEMAN COUNTIES...

At 855 PM CDT, a severe thunderstorm was located 4 miles southeast of
Chillicothe, moving southeast at 20 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

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...
Chillicothe.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3422 9963 3435 9957 3429 9928 3411 9937
TIME...MOT...LOC 0155Z 300DEG 18KT 3422 9945 

HAIL...1.50IN
WIND...60MPH
 
$$

..speg.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 7:51 PM CDT	Severe Thunderstorm Warning	OUN	Hardeman	39 min
May 27, 8:34 PM CDT	Special Weather Statement	OUN	Foard	26 min
May 27, 9:06 PM CDT	Severe Thunderstorm Warning	OUN	Wilbarger	39 min
May 27, 9:15 PM CDT	Special Weather Statement	OUN	Wilbarger	30 min
May 27, 9:46 PM CDT	Special Weather Statement	OUN	Wilbarger	29 min
May 27, 10:04 PM CDT	Severe Thunderstorm Warning	OUN	Clay, Wichita	41 min
May 27, 10:12 PM CDT	Special Weather Statement	OUN	Wichita	33 min
May 27, 10:34 PM CDT	Severe Thunderstorm Warning	OUN	Clay	41 min
May 27, 10:36 PM CDT	Severe Thunderstorm Warning	OUN	Foard	39 min
May 27, 11:00 PM CDT	Severe Thunderstorm Warning	OUN	Foard, Knox	45 min
May 27, 11:03 PM CDT	Special Weather Statement	OUN	Foard	27 min
May 27, 11:27 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Foard, Knox	48 min
May 28, 12:09 AM CDT	Severe Thunderstorm Warning	OUN	Archer, Baylor	51 min
May 28, 12:13 AM CDT	Special Weather Statement	OUN	Knox	32 min
May 28, 12:46 AM CDT	Severe Thunderstorm Warning	OUN	Archer, Clay	44 min
May 28, 1:29 AM CDT	Special Weather Statement	OUN	Clay	31 min
May 28, 2:13 AM CDT	Special Weather Statement	OUN	Foard	32 min
May 28, 4:55 AM CDT	Special Weather Statement	OUN	Foard, Hardeman	35 min
May 28, 5:24 AM CDT	Special Weather Statement	OUN	Foard, Hardeman	36 min
May 28, 8:14 AM CDT	Special Weather Statement	OUN	Hardeman	31 min
May 28, 8:14 AM CDT	Special Weather Statement	OUN	Wilbarger	31 min

Nearby

Severe Thunderstorm Warnings in Texas, 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.