Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 211, NWS Fort Worth, TX

July 27, 2021Parker County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jul 27, 2021, 6:14 PM CDT for Parker County, Texas. It was in force for 61 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
Jul 27, 2021, 6:14 PM CDT (23:14 UTC)
Expired
Jul 27, 2021, 7:15 PM CDT
In force
61 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

County Parker County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 54 km from the middle of the area, began a volume at 23:17 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 nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.2 hours before the alert went out and 38 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, Fort Worth, TX at 12:00Z on 2021-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 728 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 12:00Z on 2021-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.1939Sfc1 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
728 J/kg
Mixed-layer CIN
-179 J/kg
Mixed-layer LCL
1684 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
-24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

448 
WUUS54 KFWD 272314
SVRFWD
TXC367-280015-
/O.NEW.KFWD.SV.W.0211.210727T2314Z-210728T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Fort Worth TX
614 PM CDT Tue Jul 27 2021

The National Weather Service in Fort Worth has issued a

* Severe Thunderstorm Warning for...
  Northeastern Parker County in north central Texas...

* Until 715 PM CDT.

* At 613 PM CDT, a severe thunderstorm was located over Springtown,
  or 7 miles west of Briar, and is nearly stationary.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Briar, Reno, Springtown, and Poolville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Wind damage with this storm will occur before any rain or lightning.
Do not wait for the sound of thunder before taking cover. SEEK
SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

&&

LAT...LON 3299 9758 3293 9758 3278 9778 3300 9789
TIME...MOT...LOC 2313Z 085DEG 4KT 3297 9768 

HAIL...<.75IN
WIND...70MPH
$$

Godwin

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 3:25 PM CDTSpecial Weather StatementFWDCooke35 min
Jul 27, 4:26 PM CDTSpecial Weather StatementFWDLamar34 min
Jul 27, 4:46 PM CDTSpecial Weather StatementFWDJack29 min
Jul 27, 5:02 PM CDTSevere Thunderstorm WarningFWDWise58 min
Jul 27, 5:05 PM CDTSpecial Weather StatementFWDFannin25 min
Jul 27, 5:33 PM CDTSpecial Weather StatementFWDDelta, Fannin42 min
Jul 27, 5:38 PM CDTSevere Thunderstorm WarningFWDJack, Palo Pinto, Parker, Wise37 min
Jul 27, 5:41 PM CDTSpecial Weather StatementFWDTarrant34 min
Jul 27, 5:57 PM CDTSevere Thunderstorm WarningFWDWise45 min
Jul 27, 6:05 PM CDTSpecial Weather StatementFWDParker25 min
Jul 27, 6:17 PM CDTSpecial Weather StatementFWDDelta, Hopkins, Hunt58 min
Jul 27, 6:20 PM CDTSpecial Weather StatementFWDTarrant25 min
Jul 27, 6:26 PM CDTSpecial Weather StatementFWDTarrant19 min
Jul 27, 6:31 PM CDTSevere Thunderstorm WarningFWDTarrant29 min
Jul 27, 6:37 PM CDTSpecial Weather StatementFWDPalo Pinto23 min
Jul 27, 6:40 PM CDTSevere Thunderstorm WarningFWDHunt49 min
Jul 27, 6:49 PM CDTSevere Thunderstorm WarningFWDParker, Tarrant56 min
Jul 27, 6:57 PM CDTSpecial Weather StatementFWDHood33 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.