Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 11, NWS Fort Worth, TX

May 3, 2021Hill County, Johnson County, Texas

NWS Fort Worth, TX issued this tornado warning at May 3, 2021, 7:17 PM CDT for Hill County, Johnson County, Texas. It was in force for 43 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: May 3, 2021, 7:17 PM CDT (00:17 UTC)
Expired: May 3, 2021, 8:00 PM CDT
In force: 43 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

Counties Hill County, TX, Johnson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 43 km from the middle of the area, began a volume at 00:18 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

Time	Report	Where	Remark
May 3, 7:18 PM CDT	HAIL 1.5	1 Nne Rio Vista, TX
May 3, 7:18 PM CDT	TORNADO	3 W Blum, TX	THE TORNADO FORMED IN EXTREME NORTHERN HILL COUNTY, TEXAS, NW OF THE BLUM COMMUNITY, NEAR THE INTERSECTION OF TEXAS HIGHWAY 174 AND HILL COUNTY ROAD 1106. THE TORNADO TRAVELED ACROSS OPEN COUNTRY FOR APPROXIMATELY 3.4 MILES. SCATTERED TREE AND POWERLINE DAMAGE
May 3, 7:20 PM CDT	HAIL 3	2 Nw Rio Vista, TX	REPORT FROM MPING: TEA CUP (3.00 IN.).
May 3, 7:21 PM CDT	TORNADO	2 Wnw Blum, TX	SEVERAL REPORTS OF A TORNADO REPORTED, LIKELY LOOKING NORTH OR NORTHWEST OF THE ROAD.

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.

Issued	Product	Office	Lasted
May 3, 3:48 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.3 hours before the alert went out and 72 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: 3299 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1213 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 150 m²/s²
0-3 km storm-relative helicity: 143 m²/s²
Significant tornado parameter: 2.6
Supercell composite: 13.9

Open this sounding in Storm Lab

The text

As transmitted.

700 
WFUS54 KFWD 040017
TORFWD
TXC217-251-040100-
/O.NEW.KFWD.TO.W.0011.210504T0017Z-210504T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Fort Worth TX
717 PM CDT Mon May 3 2021

The National Weather Service in Fort Worth has issued a

* Tornado Warning for...
  Southeastern Johnson County in north central Texas...
  Northwestern Hill County in central Texas...

* Until 800 PM CDT.
    
* At 717 PM CDT, a severe thunderstorm capable of producing a 
  tornado was located over Blum, or 15 miles south of Cleburne, 
  moving northeast at 20 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.

* This dangerous storm will be near...
  Covington around 745 PM CDT.
  Grandview around 800 PM CDT.

Other locations impacted by this tornadic thunderstorm include Rio
Vista.

This includes Interstate 35W between mile markers 16 and 18.
 
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 or in a vehicle,
move to the closest substantial shelter and protect yourself from
flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3209 9745 3218 9746 3231 9738 3231 9717
      3214 9717
TIME...MOT...LOC 0017Z 241DEG 17KT 3215 9741 

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

$$

Dunn

3 follow-up statements

685 
WWUS54 KFWD 040024
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
724 PM CDT Mon May 3 2021

TXC217-251-040100-
/O.CON.KFWD.TO.W.0011.000000T0000Z-210504T0100Z/
Johnson TX-Hill TX-
724 PM CDT Mon May 3 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
SOUTHEASTERN JOHNSON AND NORTHWESTERN HILL COUNTIES...
    
At 723 PM CDT, a confirmed tornado was located just northwest of 
Blum, or 10 miles south of Cleburne, moving northeast at 15 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Weather spotters confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Other locations impacted by this tornadic thunderstorm include Rio 
Vista.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. To protect your life, TAKE 
COVER NOW! Move to an interior room on the lowest floor of a sturdy 
building and avoid windows. If you are outdoors or in a vehicle, 
move to the closest substantial shelter and protect yourself from 
flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3218 9746 3231 9738 3231 9717 3216 9717
      3212 9745
TIME...MOT...LOC 0023Z 237DEG 15KT 3216 9743 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.75IN

$$

Dunn

004 
WWUS54 KFWD 040033
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
733 PM CDT Mon May 3 2021

TXC217-251-040100-
/O.CON.KFWD.TO.W.0011.000000T0000Z-210504T0100Z/
Johnson TX-Hill TX-
733 PM CDT Mon May 3 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
SOUTHEASTERN JOHNSON AND NORTHWESTERN HILL COUNTIES...
    
At 733 PM CDT, a severe thunderstorm capable of producing a tornado 
was located between Blum and Rio Vista, moving northeast at 15 mph.

HAZARD...Tornado and ping pong 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3231 9738 3231 9717 3216 9717 3214 9742
      3220 9745
TIME...MOT...LOC 0033Z 236DEG 12KT 3218 9737 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

Dunn

111 
WWUS54 KFWD 040046
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
746 PM CDT Mon May 3 2021

TXC217-251-040100-
/O.CON.KFWD.TO.W.0011.000000T0000Z-210504T0100Z/
Johnson TX-Hill TX-
746 PM CDT Mon May 3 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
SOUTHEASTERN JOHNSON AND NORTHWESTERN HILL COUNTIES...
    
At 746 PM CDT, a severe thunderstorm capable of producing a tornado 
was located near Covington, or 10 miles southeast of Cleburne, 
moving northeast at 20 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...

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

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3231 9733 3231 9717 3216 9717 3215 9734
      3223 9738
TIME...MOT...LOC 0046Z 240DEG 19KT 3223 9727 

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

$$

Dunn

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 7:03 PM CDT	Flash Flood Warning	FWD	Hood, Johnson, Parker	117 min
May 3, 7:07 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Dallas, Denton	53 min
May 3, 7:17 PM CDT	Tornado Warning	FWD	Collin	43 min
May 3, 7:28 PM CDT	Severe Thunderstorm Warning	FWD	Hill, Johnson	62 min
May 3, 7:29 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Cooke, Denton, Fannin, Grayson	61 min
May 3, 7:48 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Fannin, Grayson, Hunt	42 min
May 3, 7:56 PM CDT	Severe Thunderstorm Warning	FWD	Ellis	64 min
May 3, 8:00 PM CDT	Tornado Warning	FWD	Ellis, Johnson	30 min
May 3, 8:04 PM CDT	Severe Thunderstorm Warning	FWD	Johnson, Somervell, Tarrant	26 min
May 3, 8:07 PM CDT	Tornado Warning	FWD	Ellis, Hill, Johnson	38 min
May 3, 8:29 PM CDT	Severe Thunderstorm Warning	FWD	Johnson	61 min
May 3, 8:45 PM CDT	Tornado Warning	FWD	Ellis	45 min
May 3, 8:55 PM CDT	Severe Thunderstorm Warning	FWD	Ellis, Hill	65 min
May 3, 9:01 PM CDT	Severe Thunderstorm Warning	FWD	Dallas, Ellis, Kaufman	59 min
May 3, 9:11 PM CDT	Severe Thunderstorm Warning	FWD	Cooke, Denton, Grayson	35 min
May 3, 9:13 PM CDT	Tornado Warning	FWD	Ellis, Kaufman	22 min
May 3, 9:29 PM CDT	Severe Thunderstorm Warning	FWD	Hill, Navarro	31 min
May 3, 9:36 PM CDT	Severe Thunderstorm Warning	FWD	Grayson	24 min
May 3, 9:49 PM CDT	Severe Thunderstorm Warning	FWD	Ellis, Henderson, Hill, Kaufman, Navarro, Van Zandt	71 min
May 3, 9:53 PM CDT	Severe Thunderstorm Warning	FWD	Bell, Coryell, Lampasas	67 min
May 3, 9:59 PM CDT	Severe Thunderstorm Warning	FWD	Ellis	48 min
May 3, 10:03 PM CDT	Severe Thunderstorm Warning	FWD	Stephens, Young	41 min
May 3, 10:25 PM CDT	Severe Thunderstorm Warning	FWD	Bosque, Coryell, Hamilton	37 min
May 3, 10:33 PM CDT	Severe Thunderstorm Warning	FWD	Van Zandt	42 min
May 3, 10:36 PM CDT	Severe Thunderstorm Warning	FWD	Delta, Hopkins, Hunt, Lamar, Rains	54 min
May 3, 10:48 PM CDT	Severe Thunderstorm Warning	FWD	Bell, Falls, McLennan	43 min
May 3, 10:59 PM CDT	Severe Thunderstorm Warning	FWD	Henderson, Kaufman, Van Zandt	44 min
May 4, 12:18 AM CDT	Severe Thunderstorm Warning	FWD	Henderson, Kaufman, Navarro, Van Zandt	57 min
May 4, 1:23 AM CDT	Special Weather Statement	FWD	Van Zandt	37 min
May 4, 8:08 AM CDT	River Flood Warning	FWD	Ellis, Navarro	52 hr
May 4, 8:31 AM CDT	Severe Thunderstorm Warning	FWD	Robertson	59 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.