Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 23, NWS Fort Worth, TX

March 22, 20216 counties in Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 22, 2021, 9:52 PM CDT for 6 counties in Texas. It was in force for 53 min. 4 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
Mar 22, 2021, 9:52 PM CDT (02:52 UTC)
Expired
Mar 22, 2021, 10:45 PM CDT
In force
53 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Collin County, TX, Dallas County, TX, Ellis County, TX, Hunt County, TX, Kaufman County, TX, Rockwall County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 69 km from the middle of the area, began a volume at 02:54 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

TimeReportWhereRemark
Mar 22, 9:58 PM CDTTSTM WND DMG3 Ese Plano, TXTREE BRANCH 6 INCHES IN DIAMETER OF A HEALTHY TREE COMPLETELY SNAPPED. LOCATION IS AT THE INTERSECTION OF PARK BLVD AND AVENUE K IN PLANO.
Mar 22, 10:03 PM CDTHAIL 0.884 S Garland, TXSIGNIFICANT ACCUMULATION OF HAIL LESS THAN ONE HALF INCH IN GARLAND NEAR OBANION & OATES. PEAK SIZE ESTIMATED AROUND THE SIZE OF A NICKEL.
Mar 22, 10:20 PM CDTHAIL 12 Ne Rowlett, TXREPORT FROM MPING: QUARTER (1.00 IN.).
Mar 22, 10:24 PM CDTHAIL 1Caddo Mills, TX

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.

IssuedProductOfficeLasted
Mar 22, 6:05 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.9 hours before the alert went out and 79 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 2021-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2021-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 404 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
679 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
404 m²/s²
0-3 km storm-relative helicity
672 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

717 
WUUS54 KFWD 230252
SVRFWD
TXC085-113-139-231-257-397-230345-
/O.NEW.KFWD.SV.W.0023.210323T0252Z-210323T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Fort Worth TX
952 PM CDT Mon Mar 22 2021

The National Weather Service in Fort Worth has issued a

* Severe Thunderstorm Warning for...
  Rockwall County in north central Texas...
  Southern Hunt County in north central Texas...
  Northwestern Kaufman County in north central Texas...
  Ellis County in north central Texas...
  Southeastern Collin County in north central Texas...
  Dallas County in north central Texas...

* Until 1045 PM CDT.

* At 951 PM CDT, severe thunderstorms were located along a line
  extending from near Sachse to near Maypearl, moving east at 35 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...
  Dallas, Plano, Garland, Mesquite, Richardson, Allen, Rowlett,
  Desoto, Cedar Hill, Wylie, Duncanville, Rockwall, Lancaster,
  Waxahachie, Greenville, Balch Springs, University Park, Sachse,
  Ennis and Midlothian.

This includes the following highways...
 Interstate 35E between mile markers 388 and 431.
 Interstate 20 between mile markers 460 and 504.
 Interstate 30 between mile markers 41 and 106.
 Interstate 45 between mile markers 244 and 284.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3236 9641 3236 9645 3235 9645 3233 9642
      3229 9645 3223 9658 3222 9706 3226 9709
      3244 9709 3310 9667 3315 9590
TIME...MOT...LOC 0251Z 251DEG 31KT 3294 9659 3230 9706 

HAIL...1.00IN
WIND...60MPH
$$

Barnes
2 follow-up statements
546 
WWUS54 KFWD 230330
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
1030 PM CDT Mon Mar 22 2021

TXC085-113-139-231-257-397-230345-
/O.CON.KFWD.SV.W.0023.000000T0000Z-210323T0345Z/
Rockwall TX-Hunt TX-Kaufman TX-Ellis TX-Collin TX-Dallas TX-
1030 PM CDT Mon Mar 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR ROCKWALL...SOUTHERN HUNT...NORTHWESTERN KAUFMAN...NORTHEASTERN
ELLIS...SOUTHEASTERN COLLIN AND SOUTHEASTERN DALLAS COUNTIES...

At 1030 PM CDT, severe thunderstorms were located along a line
extending from near Caddo Mills to near Palmer, moving east at 35
mph.

HAZARD...65 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...
Dallas, Garland, Mesquite, Rowlett, Wylie, Rockwall, Lancaster,
Waxahachie, Greenville, Balch Springs, Ennis, Terrell, Seagoville,
Forney, Red Oak, Kaufman, Hutchins, Royse City, Heath and Fate.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3236 9641 3236 9645 3235 9645 3233 9642
      3230 9654 3231 9690 3311 9643 3315 9590
TIME...MOT...LOC 0330Z 251DEG 31KT 3304 9625 3240 9672 

HAIL...1.00IN
WIND...65MPH
 
$$

Bain
171 
WWUS54 KFWD 230345
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
1045 PM CDT Mon Mar 22 2021

TXC085-113-139-231-257-397-230354-
/O.EXP.KFWD.SV.W.0023.000000T0000Z-210323T0345Z/
Rockwall TX-Hunt TX-Kaufman TX-Ellis TX-Collin TX-Dallas TX-
1045 PM CDT Mon Mar 22 2021

...THE SEVERE THUNDERSTORM WARNING FOR ROCKWALL...SOUTHERN HUNT...
NORTHWESTERN KAUFMAN...NORTHEASTERN ELLIS...SOUTHEASTERN COLLIN AND
SOUTHEASTERN DALLAS COUNTIES WILL EXPIRE AT 1045 PM CDT...
            
The storms which prompted the warning have weakened below severe
limits. Therefore the warning will be allowed to expire. However
small hail and gusty winds are still possible with these
thunderstorms.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
central and north central Texas.

Remember, a Severe Thunderstorm Warning still remains in effect for
Hunt County until 11 PM. 

LAT...LON 3236 9641 3236 9645 3235 9645 3233 9642
      3230 9654 3231 9690 3311 9643 3315 9590
TIME...MOT...LOC 0344Z 270DEG 31KT 3307 9615 3243 9662 

$$

Barnes

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 22, 7:39 PM CDTSevere Thunderstorm WarningFWDCoryell, Lampasas66 min
Mar 22, 8:22 PM CDTSevere Thunderstorm WarningFWDCoryell, McLennan53 min
Mar 22, 8:41 PM CDTSpecial Weather StatementFWDHamilton49 min
Mar 22, 9:13 PM CDTSevere Thunderstorm WarningFWDHill, Limestone, McLennan62 min
Mar 22, 9:24 PM CDTSpecial Weather StatementFWDDallas, Ellis, Johnson51 min
Mar 22, 9:30 PM CDTSevere Thunderstorm WarningFWDBosque, Hill, McLennan60 min
Mar 22, 9:34 PM CDTSpecial Weather StatementFWDGrayson41 min
Mar 22, 9:45 PM CDTSpecial Weather StatementFWDRockwall30 min
Mar 22, 10:24 PM CDTSevere Thunderstorm WarningFWDHill, Limestone, McLennan, Navarro51 min
Mar 22, 10:28 PM CDTSevere Thunderstorm WarningFWDDelta, Fannin, Hopkins, Hunt32 min
Mar 22, 10:43 PM CDTSpecial Weather StatementFWDHopkins, Kaufman, Rains32 min
Mar 22, 10:53 PM CDTSevere Thunderstorm WarningFWDBell, Milam67 min
Mar 22, 10:56 PM CDTSpecial Weather StatementFWDDelta, Hopkins, Lamar49 min
Mar 22, 11:05 PM CDTSevere Thunderstorm WarningFWDAnderson, Freestone, Henderson, Navarro70 min
Mar 22, 11:53 PM CDTSevere Thunderstorm WarningFWDMilam, Robertson67 min
Mar 22, 11:57 PM CDTSpecial Weather StatementFWDLimestone48 min
Mar 23, 12:08 AM CDTSevere Thunderstorm WarningFWDAnderson, Henderson52 min
Mar 23, 12:20 AM CDTSpecial Weather StatementFWDVan Zandt25 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.