Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 40, NWS Fort Worth, TX

March 24, 2021Ellis County, Hill County, Johnson County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 24, 2021, 8:39 PM CDT for Ellis County, Hill County, Johnson County, Texas. It was in force for 66 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
Mar 24, 2021, 8:39 PM CDT (01:39 UTC)
Expired
Mar 24, 2021, 9:45 PM CDT
In force
66 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Ellis County, TX, Hill County, TX, Johnson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 54 km from the middle of the area, began a volume at 01:42 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
Mar 24, 4:38 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 1.7 hours before the alert went out and 345 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, Shreveport, LA at 00:00Z on 2021-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 281 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, Shreveport, LA at 00:00Z on 2021-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
281 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
1372 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.9

Open this sounding in Storm Lab

The text

As transmitted.

366 
WUUS54 KFWD 250139
SVRFWD
TXC139-217-251-250245-
/O.NEW.KFWD.SV.W.0040.210325T0139Z-210325T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Fort Worth TX
839 PM CDT Wed Mar 24 2021

The National Weather Service in Fort Worth has issued a

* Severe Thunderstorm Warning for...
  Southeastern Johnson County in north central Texas...
  Northwestern Hill County in central Texas...
  Southwestern Ellis County in north central Texas...

* Until 945 PM CDT.

* At 839 PM CDT, a severe thunderstorm was located near Blum, or 14
  miles west of Hillsboro, moving northeast 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...
  Venus, Whitney, Italy, Itasca, Grandview, Maypearl, Blum,
  Covington, Carl's Corner, Rio Vista and Milford.

This includes the following highways...
 Interstate 35W between mile markers 1 and 22.
 Interstate 35E between mile markers 371 and 388.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for central and
north central Texas.

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

&&

LAT...LON 3194 9739 3196 9740 3198 9738 3199 9740
      3203 9743 3201 9744 3208 9748 3210 9747
      3213 9750 3215 9747 3217 9746 3217 9748
      3216 9751 3213 9751 3216 9754 3244 9709
      3215 9680
TIME...MOT...LOC 0139Z 240DEG 23KT 3207 9736 

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

Barnes
2 follow-up statements
974 
WWUS54 KFWD 250208
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
908 PM CDT Wed Mar 24 2021

TXC139-217-251-250245-
/O.CON.KFWD.SV.W.0040.000000T0000Z-210325T0245Z/
Johnson TX-Hill TX-Ellis TX-
908 PM CDT Wed Mar 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR SOUTHEASTERN JOHNSON...NORTHWESTERN HILL AND SOUTHWESTERN ELLIS
COUNTIES...

At 908 PM CDT, a severe thunderstorm was located over Itasca, or 11
miles north of Hillsboro, moving northeast at 25 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Venus, Italy, Itasca, Grandview, Maypearl, Covington, Carl's Corner
and Milford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A Tornado Watch remains in effect until 1000 PM CDT for central and
north central Texas.

LAT...LON 3200 9723 3214 9737 3243 9708 3215 9680
TIME...MOT...LOC 0208Z 239DEG 22KT 3216 9718 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
 
$$

Barnes
460 
WWUS54 KFWD 250227
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
927 PM CDT Wed Mar 24 2021

TXC139-217-251-250245-
/O.CON.KFWD.SV.W.0040.000000T0000Z-210325T0245Z/
Johnson TX-Hill TX-Ellis TX-
927 PM CDT Wed Mar 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR EAST CENTRAL JOHNSON...NORTH CENTRAL HILL AND SOUTHWESTERN ELLIS
COUNTIES...

At 926 PM CDT, a severe thunderstorm was located near Maypearl, or 15
miles north of Hillsboro, moving northeast at 25 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Italy, Itasca, Grandview, Maypearl, Carl's Corner and Milford. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A Tornado Watch remains in effect until 1000 PM CDT for central and
north central Texas.

LAT...LON 3204 9711 3218 9723 3243 9708 3215 9680
TIME...MOT...LOC 0226Z 239DEG 23KT 3222 9705 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
 
$$

Barnes

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 24, 7:08 PM CDTTornado Warning Tornado observedFWDBosque, Hamilton52 min
Mar 24, 7:25 PM CDTSevere Thunderstorm WarningFWDHopkins40 min
Mar 24, 7:33 PM CDTSevere Thunderstorm WarningFWDComanche57 min
Mar 24, 7:47 PM CDTSevere Thunderstorm WarningFWDBosque, Hill58 min
Mar 24, 7:55 PM CDTTornado WarningFWDBosque, Hill50 min
Mar 24, 8:25 PM CDTSevere Thunderstorm WarningFWDJack, Young40 min
Mar 24, 8:40 PM CDTSevere Thunderstorm WarningFWDDenton, Parker, Tarrant, Wise65 min
Mar 24, 8:43 PM CDTRiver Flood WarningFWDHunt36 hr
Mar 24, 8:44 PM CDTRiver Flood WarningFWDHunt, Kaufman, Rockwall37 hr
Mar 24, 8:48 PM CDTSevere Thunderstorm WarningFWDJack, Wise42 min
Mar 24, 9:12 PM CDTSevere Thunderstorm WarningFWDCooke, Montague51 min
Mar 24, 9:29 PM CDTSevere Thunderstorm WarningFWDDenton61 min
Mar 24, 9:37 PM CDTTornado WarningFWDDenton32 min
Mar 24, 9:40 PM CDTSevere Thunderstorm WarningFWDEllis65 min
Mar 24, 10:23 PM CDTSevere Thunderstorm WarningFWDCollin, Denton, Grayson52 min
Mar 24, 10:46 PM CDTSevere Thunderstorm WarningFWDEllis, Kaufman59 min
Mar 24, 11:09 PM CDTSevere Thunderstorm WarningFWDHamilton, Lampasas, Mills39 min
Mar 24, 11:44 PM CDTSevere Thunderstorm WarningFWDKaufman, Van Zandt61 min
Mar 24, 11:52 PM CDTSevere Thunderstorm WarningFWDBosque53 min
Mar 25, 12:12 AM CDTSpecial Weather StatementFWDMontague48 min
Mar 25, 12:35 AM CDTAreal Flood AdvisoryFWDBosque, Hill3 hr
Mar 25, 12:42 AM CDTSpecial Weather StatementFWDRains48 min
Mar 25, 12:51 AM CDTSpecial Weather StatementFWDDelta39 min
Mar 25, 1:44 AM CDTSpecial Weather StatementFWDEllis31 min
Mar 25, 3:02 AM CDTSpecial Weather StatementFWDRockwall28 min
Mar 25, 3:12 AM CDTSpecial Weather StatementFWDVan Zandt48 min
Mar 25, 3:29 AM CDTSpecial Weather StatementFWDBell31 min
Mar 25, 5:07 AM CDTSpecial Weather StatementFWDMilam38 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.