Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 261, NWS Fort Worth, TX

November 10, 2021Cooke County, Grayson County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Nov 10, 2021, 6:28 PM CST for Cooke County, Grayson County, Texas. It was in force for 47 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: Nov 10, 2021, 6:28 PM CST (00:28 UTC)
Expired: Nov 10, 2021, 7:15 PM CST
In force: 47 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Cooke County, TX, Grayson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 130 km from the middle of the area, began a volume at 00:28 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
Nov 10, 7:02 PM CST	HAIL 1	4 Nw Era, TX	QUARTER SIZE HAIL REPORTED IN HOOD.
Nov 10, 7:04 PM CST	HAIL 1	3 Se Gainesville, TX	NICKEL TO QUARTER SIZE HAIL REPORTED 3SE OF GAINESVILLE.

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
Nov 10, 5:56 PM CST	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.5 hours before the alert went out and 101 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: 1140 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 1186 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 238 m²/s²
0-3 km storm-relative helicity: 243 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 8.1

Open this sounding in Storm Lab

The text

As transmitted.

587 
WUUS54 KFWD 110028
SVRFWD
TXC097-181-110115-
/O.NEW.KFWD.SV.W.0261.211111T0028Z-211111T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Fort Worth TX
628 PM CST Wed Nov 10 2021

The National Weather Service in Fort Worth has issued a

* Severe Thunderstorm Warning for...
  Central Cooke County in north central Texas...
  West central Grayson County in north central Texas...

* Until 715 PM CST.

* At 627 PM CST, a severe thunderstorm was located over Lindsay, or
  near Gainesville, moving east at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Gainesville, Whitesboro, Collinsville, Muenster, Lindsay,
  Callisburg, Lake Kiowa, Valley View and Sadler.

This includes Interstate 35 between mile markers 491 and 503.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection get inside a sturdy structure and stay away from
windows.

&&

LAT...LON 3383 9685 3352 9685 3356 9738 3375 9735
      3378 9719 3376 9719 3372 9716 3372 9711
      3374 9709 3379 9709
TIME...MOT...LOC 0027Z 269DEG 25KT 3367 9723 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Prater

1 follow-up statement

300 
WWUS54 KFWD 110104
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
704 PM CST Wed Nov 10 2021

TXC097-181-110115-
/O.CON.KFWD.SV.W.0261.000000T0000Z-211111T0115Z/
Cooke TX-Grayson TX-
704 PM CST Wed Nov 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CST
FOR CENTRAL COOKE AND WEST CENTRAL GRAYSON COUNTIES...

At 704 PM CST, a severe thunderstorm was located near Lake Kiowa, or
near Gainesville, moving east at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Gainesville, Whitesboro, Collinsville, Lindsay, Callisburg, Lake
Kiowa and Sadler.

LAT...LON 3364 9737 3375 9685 3352 9685 3353 9692
      3356 9738
TIME...MOT...LOC 0104Z 260DEG 23KT 3359 9708 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

30

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 10, 6:16 PM CST	Special Weather Statement	FWD	Cooke	29 min
Nov 10, 7:01 PM CST	Severe Thunderstorm Warning	FWD	Montague	44 min
Nov 10, 7:14 PM CST	Severe Thunderstorm Warning	FWD	Collin, Cooke, Denton, Grayson	46 min
Nov 10, 7:16 PM CST	Severe Thunderstorm Warning	FWD	Jack, Wise	29 min
Nov 10, 7:31 PM CST	Severe Thunderstorm Warning	FWD	Cooke, Jack, Montague, Wise	29 min
Nov 10, 7:52 PM CST	Severe Thunderstorm Warning Considerable damage threat	FWD	Collin, Cooke, Denton, Grayson	68 min
Nov 10, 7:56 PM CST	Severe Thunderstorm Warning	FWD	Cooke, Denton, Grayson, Jack, Montague, Wise	34 min
Nov 10, 8:23 PM CST	Severe Thunderstorm Warning	FWD	Denton, Jack, Wise	37 min
Nov 10, 8:40 PM CST	Special Weather Statement	FWD	Fannin	35 min
Nov 10, 8:56 PM CST	Severe Thunderstorm Warning	FWD	Collin, Dallas, Denton, Hunt, Parker, Rockwall and 2 more	64 min
Nov 10, 9:05 PM CST	Severe Thunderstorm Warning	FWD	Lamar	40 min
Nov 10, 9:55 PM CST	Special Weather Statement	FWD	Dallas, Hopkins, Hunt, Kaufman, Rains, Rockwall and 1 more	65 min
Nov 10, 10:01 PM CST	Areal Flood Advisory	FWD	Dallas, Tarrant	3 hr
Nov 10, 10:05 PM CST	Severe Thunderstorm Warning	FWD	Dallas	40 min
Nov 10, 10:53 PM CST	Special Weather Statement	FWD	Kaufman, Van Zandt	37 min
Nov 10, 11:38 PM CST	Special Weather Statement	FWD	Ellis	37 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.