Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 7, NWS Fort Worth, TX

April 28, 2021Palo Pinto County, Stephens County, Texas

NWS Fort Worth, TX issued this tornado warning at Apr 28, 2021, 7:27 AM CDT for Palo Pinto County, Stephens County, Texas. It was in force for 19 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: Apr 28, 2021, 7:27 AM CDT (12:27 UTC)
Expired: Apr 28, 2021, 7:46 AM CDT
In force: 19 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Palo Pinto County, TX, Stephens County, TX

The radar

The Dyess AFB radar (KDYX), 61 km from the middle of the area, began a volume at 12:31 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.

Issued	Product	Office	Lasted
Apr 28, 3:01 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 0.5 hours before the alert went out and 126 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: 678 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 635 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 290 m²/s²
0-3 km storm-relative helicity: 394 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 12.5

Open this sounding in Storm Lab

The text

As transmitted.

670 
WFUS54 KFWD 281227
TORFWD
TXC363-429-281300-
/O.NEW.KFWD.TO.W.0007.210428T1227Z-210428T1300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Fort Worth TX
727 AM CDT Wed Apr 28 2021

The National Weather Service in Fort Worth has issued a

* Tornado Warning for...
  Southeastern Stephens County in north central Texas...
  Western Palo Pinto County in north central Texas...

* Until 800 AM CDT.
    
* At 726 AM CDT, a severe thunderstorm capable of producing a 
  tornado was located over Necessity, 6 miles west of Caddo, moving 
  east at 25 mph.

  HAZARD...Tornado and quarter 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.

* Locations impacted include...
  Caddo, Brad, Metcalf Gap.

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 3259 9880 3273 9883 3291 9840 3262 9833
TIME...MOT...LOC 1226Z 250DEG 23KT 3266 9876 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Bonnette

1 follow-up statement

428 
WWUS54 KFWD 281246
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
746 AM CDT Wed Apr 28 2021

TXC363-429-281255-
/O.CAN.KFWD.TO.W.0007.000000T0000Z-210428T1300Z/
Stephens TX-Palo Pinto TX-
746 AM CDT Wed Apr 28 2021

...THE TORNADO WARNING FOR SOUTHEASTERN STEPHENS AND WESTERN PALO
PINTO COUNTIES IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for the area.

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

Remember, a Severe Thunderstorm Warning still remains in effect for 
Stephens and Palo Pinto Counties until 815 AM CDT.

LAT...LON 3259 9880 3273 9883 3291 9840 3262 9833
TIME...MOT...LOC 1245Z 250DEG 23KT 3270 9862 

$$

Bonnette

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 10:12 PM CDT	Special Weather Statement	FWD	Young	33 min
Apr 27, 10:47 PM CDT	Special Weather Statement	FWD	Young	28 min
Apr 27, 11:14 PM CDT	Special Weather Statement	FWD	Jack	31 min
Apr 27, 11:57 PM CDT	Special Weather Statement	FWD	Montague	33 min
Apr 28, 3:46 AM CDT	Severe Thunderstorm Warning	FWD	Stephens, Young	59 min
Apr 28, 4:27 AM CDT	Severe Thunderstorm Warning	FWD	Jack, Palo Pinto, Stephens, Young	63 min
Apr 28, 4:50 AM CDT	Special Weather Statement	FWD	Jack, Young	25 min
Apr 28, 5:36 AM CDT	Special Weather Statement	FWD	Palo Pinto	24 min
Apr 28, 6:01 AM CDT	Special Weather Statement	FWD	Jack	29 min
Apr 28, 6:44 AM CDT	Special Weather Statement	FWD	Stephens	31 min
Apr 28, 7:10 AM CDT	Severe Thunderstorm Warning	FWD	Palo Pinto, Stephens	65 min
Apr 28, 7:59 AM CDT	River Flood Warning	FWD	Dallas	48 hr
Apr 28, 8:05 AM CDT	Special Weather Statement	FWD	Palo Pinto, Parker	55 min
Apr 28, 9:24 AM CDT	River Flood Warning	FWD	Hunt	70 hr
Apr 28, 9:24 AM CDT	River Flood Warning	FWD	Hunt, Kaufman, Rockwall	52 hr
Apr 28, 12:47 PM CDT	Areal Flood Advisory	FWD	Grayson	118 min
Apr 28, 1:54 PM CDT	Special Weather Statement	FWD	Montague	36 min
Apr 28, 2:37 PM CDT	Flash Flood Watch	FWD	Collin, Cooke, Dallas, Delta, Denton, Fannin and 13 more	16 hr
Apr 28, 4:33 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Eastland	34 min
Apr 28, 6:49 PM CDT	Special Weather Statement	FWD	Parker	26 min

Nearby

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