Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Fort Worth, TX

April 23, 2021Dallas County, Texas

NWS Fort Worth, TX issued this special weather statement at Apr 23, 2021, 2:08 PM CDT for Dallas County, Texas. It was in force for 37 min. 8 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: Apr 23, 2021, 2:08 PM CDT (19:08 UTC)
Expired: Apr 23, 2021, 2:45 PM CDT
In force: 37 min
Issued by: NWS Fort Worth, TX

County Dallas County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 58 km from the middle of the area, began a volume at 19:10 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
Apr 23, 2:30 PM CDT	HAIL 0.7	1 Wsw Richardson, TX	DIME SIZED HAIL NEAR COLLINS AND 75, JUST SOUTH OF PRESIDENT GEORGE BUSH TURNPIKE AND 75.
Apr 23, 2:40 PM CDT	HAIL 1	Richardson, TX	MEASURED WITH RULER, REPORT TAKEN BETWEEN 2:40 AND 2:45PM. NEAR NE RICHARDSON/MURPHY.
Apr 23, 2:40 PM CDT	HAIL 1.5	Murphy, TX	PING PONG TO GOLF BALL SIZED HAIL; MEASURED WITH RULER.
Apr 23, 2:43 PM CDT	HAIL 1	1 Ssw Murphy, TX	1 INCH HAIL REPORTED AT RENNER RD / MURPHY RD.
Apr 23, 2:43 PM CDT	HAIL 1	1 Ssw Murphy, TX	CORRECTS PREVIOUS HAIL REPORT FROM 1 SSW MURPHY. 1 INCH HAIL REPORTED AT RENNER RD / MURPHY RD.
Apr 23, 2:45 PM CDT	HAIL 1.75	Murphy, TX	GOLF BALL TO HEN EGG SIZED HAIL; MEASURED WITH RULER.
Apr 23, 2:45 PM CDT	HAIL 2	Murphy, TX	CORRECTS PREVIOUS HAIL REPORT FROM MURPHY. GOLF BALL TO HEN EGG SIZED HAIL; MEASURED WITH RULER.
Apr 23, 2:45 PM CDT	HAIL 2	Murphy, TX	GOLF BALL TO HEN EGG SIZED HAIL; MEASURED WITH RULER.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 7.1 hours before the alert went out and 44 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: 14 J/kg
Mixed-layer CIN: -89 J/kg
Mixed-layer LCL: 578 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 397 m²/s²
0-3 km storm-relative helicity: 249 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

537 
WWUS84 KFWD 231908
SPSFWD

Special Weather Statement
National Weather Service Fort Worth TX
208 PM CDT Fri Apr 23 2021
 
TXZ103-104-118>120-231945-
Collin TX-Rockwall TX-Denton TX-Tarrant TX-Dallas TX-
208 PM CDT Fri Apr 23 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN ROCKWALL...SOUTHEASTERN
DENTON...NORTHEASTERN TARRANT...SOUTHWESTERN COLLIN AND NORTHERN
DALLAS COUNTIES UNTIL 245 PM CDT...

At 208 PM CDT, Doppler radar was tracking a strong thunderstorm over
Farmers Branch, moving northeast at 35 mph.

Penny size hail will be possible with this storm.
  
 Locations impacted include...
Dallas, Plano, Garland, Irving, Grand Prairie, Mesquite, McKinney,
Carrollton, Frisco, Richardson, Lewisville, Allen, Flower Mound,
Rowlett, Euless, Bedford, Grapevine, Wylie, Coppell and Rockwall.

A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
north central Texas.

LAT...LON 3271 9694 3294 9720 3328 9674 3294 9633
TIME...MOT...LOC 1908Z 236DEG 29KT 3291 9686 

$$

Sanchez

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 23, 12:45 PM CDT	Special Weather Statement	FWD	Parker	30 min
Apr 23, 1:13 PM CDT	Special Weather Statement	FWD	Tarrant	32 min
Apr 23, 1:32 PM CDT	Special Weather Statement	FWD	Tarrant	28 min
Apr 23, 1:44 PM CDT	Special Weather Statement	FWD	Jack	31 min
Apr 23, 1:47 PM CDT	Special Weather Statement	FWD	Dallas, Rockwall	28 min
Apr 23, 2:03 PM CDT	Severe Thunderstorm Warning	FWD	Jack, Montague, Wise	42 min
Apr 23, 2:27 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Dallas, Rockwall	63 min
Apr 23, 2:32 PM CDT	River Flood Warning	FWD	Hunt	42 hr
Apr 23, 2:32 PM CDT	River Flood Warning	FWD	Hunt, Kaufman, Rockwall	38 hr
Apr 23, 2:42 PM CDT	Severe Thunderstorm Warning	FWD	Cooke, Montague	39 min
Apr 23, 3:12 PM CDT	Severe Thunderstorm Warning	FWD	Hunt	63 min
Apr 23, 3:16 PM CDT	Special Weather Statement	FWD	Johnson	29 min
Apr 23, 3:28 PM CDT	Special Weather Statement	FWD	McLennan	47 min
Apr 23, 3:42 PM CDT	River Flood Warning	FWD	Dallas	14 hr
Apr 23, 3:46 PM CDT	Severe Thunderstorm Warning	FWD	Bosque, McLennan	23 min
Apr 23, 4:10 PM CDT	Special Weather Statement	FWD	Cooke	35 min
Apr 23, 4:17 PM CDT	Special Weather Statement	FWD	Kaufman	28 min
Apr 23, 4:35 PM CDT	Special Weather Statement	FWD	Wise	25 min
Apr 23, 5:10 PM CDT	Special Weather Statement	FWD	Comanche	35 min
Apr 23, 5:33 PM CDT	Severe Thunderstorm Warning	FWD	Lampasas	57 min
Apr 23, 5:48 PM CDT	Severe Thunderstorm Warning	FWD	Bosque, Comanche, Erath, Hamilton	57 min
Apr 23, 6:25 PM CDT	Special Weather Statement	FWD	Coryell	35 min
Apr 23, 6:34 PM CDT	Special Weather Statement	FWD	Johnson	26 min
Apr 23, 6:38 PM CDT	Special Weather Statement	FWD	Bosque	37 min
Apr 23, 6:45 PM CDT	Tornado Warning	FWD	Denton	19 min
Apr 23, 6:57 PM CDT	Special Weather Statement	FWD	Bell	33 min

Nearby

Special Weather Statements in Texas, 2021 Every special weather statement 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.