Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 5, NWS Fort Worth, TX

March 24, 2021Denton County, Texas

NWS Fort Worth, TX issued this tornado warning at Mar 24, 2021, 9:37 PM CDT for Denton County, Texas. It was in force for 32 min. 1 report 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 24, 2021, 9:37 PM CDT (02:37 UTC)
Expired
Mar 24, 2021, 10:09 PM CDT
In force
32 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.0 in

County Denton County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 71 km from the middle of the area, began a volume at 02:39 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 24, 10:08 PM CDTHAIL 1.51 W Little Elm, 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 24, 4:59 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 2.6 hours before the alert went out and 235 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, Norman, OK at 00:00Z on 2021-03-25Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2021-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
1550 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
353 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

845 
WFUS54 KFWD 250237
TORFWD
TXC121-250330-
/O.NEW.KFWD.TO.W.0005.210325T0237Z-210325T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Fort Worth TX
937 PM CDT Wed Mar 24 2021

The National Weather Service in Fort Worth has issued a

* Tornado Warning for...
  Southeastern Denton County in north central Texas...

* Until 1030 PM CDT.
    
* At 937 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Flower Mound, moving northeast at 25 mph.

  HAZARD...Tornado and hail up to two inches in diameter.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Highland Village and Copper Canyon around 950 PM CDT.
  Corinth and Hickory Creek around 955 PM CDT.
  Lewisville, Lake Dallas, Lake Lewisville and Shady Shores around 
  1000 PM CDT.
  The Colony and Hackberry around 1010 PM CDT.
  Little Elm and Cross Roads around 1015 PM CDT.
  Frisco around 1025 PM CDT.

Other locations impacted by this tornadic thunderstorm include Oak
Point, Lakewood Village and Westlake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3320 9684 3299 9701 3299 9721 3322 9700
      3322 9684
TIME...MOT...LOC 0237Z 222DEG 23KT 3303 9712 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

Dunn
3 follow-up statements
047 
WWUS54 KFWD 250245
SVSFWD

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

TXC121-250330-
/O.CON.KFWD.TO.W.0005.000000T0000Z-210325T0330Z/
Denton TX-
945 PM CDT Wed Mar 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
SOUTHEASTERN DENTON COUNTY...
    
At 944 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Flower Mound, moving northeast at 25 mph.

HAZARD...Tornado and golf ball size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Other locations impacted by this tornadic thunderstorm include Oak 
Point, Lakewood Village and Westlake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3320 9684 3299 9701 3299 9721 3322 9700
      3322 9684
TIME...MOT...LOC 0244Z 225DEG 22KT 3305 9708 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

Dunn
324 
WWUS54 KFWD 250255
SVSFWD

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

TXC121-250330-
/O.CON.KFWD.TO.W.0005.000000T0000Z-210325T0330Z/
Denton TX-
955 PM CDT Wed Mar 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
SOUTHEASTERN DENTON COUNTY...
    
At 955 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Highland Village, moving northeast at 25 mph.

HAZARD...Tornado and half dollar size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3303 9698 3305 9714 3322 9700 3322 9684
      3320 9684
TIME...MOT...LOC 0255Z 224DEG 22KT 3308 9703 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

Dunn
685 
WWUS54 KFWD 250309
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
1009 PM CDT Wed Mar 24 2021

TXC121-250318-
/O.CAN.KFWD.TO.W.0005.000000T0000Z-210325T0330Z/
Denton TX-
1009 PM CDT Wed Mar 24 2021

...THE TORNADO WARNING FOR SOUTHEASTERN DENTON COUNTY IS CANCELLED...
                
The rotation associated with the storm that prompted the Tornado
Warning has weakened, and no longer appears capable of producing a 
tornado at this time. Therefore the Tornado Warning has been 
cancelled.

Remember, a Severe Thunderstorm Warning still remains in effect for
eastern Denton County.  Large hail is the main threat at this time.

LAT...LON 3303 9698 3305 9714 3322 9700 3322 9684
      3320 9684
TIME...MOT...LOC 0307Z 222DEG 23KT 3315 9696 

$$

Dunn

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, 8:39 PM CDTSevere Thunderstorm WarningFWDEllis, Hill, Johnson66 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, 9:40 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

Tornado Warnings in Texas, 2021Every tornado warning in 2021Tornadoes 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.