Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 252, NWS Fort Worth, TX

October 10, 20219 counties in Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Oct 10, 2021, 10:34 PM CDT for 9 counties in Texas. It was in force for 56 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
Oct 10, 2021, 10:34 PM CDT (03:34 UTC)
Expired
Oct 10, 2021, 11:30 PM CDT
In force
56 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Delta County, TX, Fannin County, TX, Hopkins County, TX, Hunt County, TX, Kaufman County, TX, Lamar County, TX, Rains County, TX, Rockwall County, TX, Van Zandt County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 173 km from the middle of the area, began a volume at 03:34 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.

IssuedProductOfficeLasted
Oct 10, 6:13 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.6 hours before the alert went out and 158 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-pSkew-T log-p diagram, Fort Worth, TX at 00:00Z on 2021-10-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1814 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2021-10-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
1814 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
1524 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
1.5
Supercell composite
11.2

Open this sounding in Storm Lab

The text

As transmitted.

924 
WUUS54 KFWD 110334
SVRFWD
TXC119-147-223-231-257-277-379-397-467-110430-
/O.NEW.KFWD.SV.W.0252.211011T0334Z-211011T0430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Fort Worth TX
1034 PM CDT Sun Oct 10 2021

The National Weather Service in Fort Worth has issued a

* Severe Thunderstorm Warning for...
  Eastern Rockwall County in north central Texas...
  Hunt County in north central Texas...
  Kaufman County in north central Texas...
  Northwestern Van Zandt County in north central Texas...
  Hopkins County in north central Texas...
  Rains County in north central Texas...
  Lamar County in north central Texas...
  Delta County in north central Texas...
  Eastern Fannin County in north central Texas...

* Until 1130 PM CDT.

* At 1034 PM CDT, severe thunderstorms were located along a line
  extending from 11 miles southeast of Albany to near Greenville to
  near Combine, moving east at 60 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Greenville, Paris, Terrell, Sulphur Springs, Seagoville, Forney,
  Commerce, Kaufman, Canton, Wills Point, Royse City, Grand Saline,
  Crandall, Cooper, Combine, Honey Grove, West Tawakoni, Talty,
  Blossom and Edgewood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A Tornado Watch remains in effect until 200 AM CDT for north central
Texas.

&&

LAT...LON 3388 9554 3387 9540 3389 9532 3296 9531
      3296 9566 3272 9564 3268 9559 3254 9560
      3255 9652 3273 9652 3312 9621 3385 9603
      3386 9594 3389 9593 3384 9584 3386 9581
      3384 9577 3389 9575 3388 9570 3394 9560
TIME...MOT...LOC 0334Z 253DEG 51KT 3381 9598 3314 9615 3259 9659 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Godwin

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 10, 7:03 PM CDTSevere Thunderstorm WarningFWDPalo Pinto, Stephens57 min
Oct 10, 7:14 PM CDTSevere Thunderstorm WarningFWDEastland, Erath, Palo Pinto, Stephens46 min
Oct 10, 7:23 PM CDTSevere Thunderstorm WarningFWDJack, Palo Pinto, Stephens, Young37 min
Oct 10, 7:42 PM CDTSevere Thunderstorm WarningFWDComanche, Eastland, Erath48 min
Oct 10, 7:54 PM CDTSevere Thunderstorm WarningFWDCooke, Hood, Jack, Montague, Palo Pinto, Parker and 1 more66 min
Oct 10, 8:08 PM CDTSevere Thunderstorm Warning Considerable damage threatFWDJack, Parker, Wise52 min
Oct 10, 8:13 PM CDTSevere Thunderstorm Warning Considerable damage threatFWDPalo Pinto, Parker47 min
Oct 10, 8:23 PM CDTSevere Thunderstorm WarningFWDBosque, Comanche, Erath, Hamilton, Hood, Mills and 1 more67 min
Oct 10, 8:50 PM CDTSevere Thunderstorm WarningFWDCollin, Cooke, Dallas, Denton, Grayson, Parker and 2 more55 min
Oct 10, 9:06 PM CDTSevere Thunderstorm Warning Considerable damage threatFWDCollin, Cooke, Denton, Grayson39 min
Oct 10, 9:16 PM CDTSevere Thunderstorm WarningFWDBosque, Ellis, Hill, Johnson, Somervell59 min
Oct 10, 9:27 PM CDTTornado WarningFWDJohnson33 min
Oct 10, 9:40 PM CDTSevere Thunderstorm WarningFWDCollin, Dallas, Denton, Fannin, Grayson, Hunt and 3 more65 min
Oct 10, 10:03 PM CDTTornado WarningFWDEllis, Hill, Johnson27 min
Oct 10, 10:10 PM CDTSevere Thunderstorm WarningFWDEllis, Freestone, Henderson, Hill, Kaufman, Limestone and 2 more65 min
Oct 10, 10:24 PM CDTTornado WarningFWDEllis36 min
Oct 10, 11:04 PM CDTSevere Thunderstorm WarningFWDAnderson, Freestone, Henderson, Kaufman, Limestone, Navarro and 1 more56 min
Oct 10, 11:28 PM CDTSevere Thunderstorm WarningFWDDelta, Hopkins, Hunt, Lamar, Rains, Van Zandt47 min
Oct 10, 11:57 PM CDTSpecial Weather StatementFWDAnderson, Freestone, Henderson63 min
Oct 11, 1:09 AM CDTSpecial Weather StatementFWDLeon36 min
Oct 11, 1:11 AM CDTSevere Thunderstorm WarningFWDLeon, Robertson49 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.