Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Fort Worth, TX

June 27, 2021Coryell County, Lampasas County, Texas

NWS Fort Worth, TX issued this special weather statement at Jun 27, 2021, 5:21 PM CDT for Coryell County, Lampasas County, Texas. It was in force for 39 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
Jun 27, 2021, 5:21 PM CDT (22:21 UTC)
Expired
Jun 27, 2021, 6:00 PM CDT
In force
39 min
Issued by
NWS Fort Worth, TX

Counties Coryell County, TX, Lampasas County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 10.4 hours before the alert went out and 203 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 2021-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 817 joules per kilogram.LCLLFCEL10008507005003002001001 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, Fort Worth, TX at 12:00Z on 2021-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
817 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
772 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

888 
WWUS84 KFWD 272221
SPSFWD

Special Weather Statement
National Weather Service Fort Worth TX
521 PM CDT Sun Jun 27 2021
 
TXZ156-157-272300-
Coryell TX-Lampasas TX-
521 PM CDT Sun Jun 27 2021

...SIGNIFICANT WEATHER ADVISORY FOR CORYELL AND LAMPASAS COUNTIES
UNTIL 600 PM CDT...

At 520 PM CDT, Doppler radar was tracking a strong thunderstorm over 
Fort Gates, or 3 miles east of Gatesville, as well and another 
strong thunderstorm near Lampasas. Both storms are moving west at 10 
mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.
  
 Locations impacted include...
Copperas Cove, Gatesville, Lampasas, Fort Hood, Kempner, Evant, Fort
Gates, Lometa and South Mountain.

LAT...LON 3124 9855 3142 9827 3157 9798 3161 9785
      3147 9758 3129 9763 3109 9786 3107 9791
      3104 9793 3103 9844 3106 9848 3108 9846
      3110 9847 3111 9846 3112 9850 3109 9853
      3112 9855 3115 9853 3117 9851 3120 9857
TIME...MOT...LOC 2220Z 104DEG 8KT 3141 9770 

$$

05/

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 1:34 PM CDTSpecial Weather StatementFWDBosque26 min

Nearby

Special Weather Statements in Texas, 2021Every 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; the sounding from the Mesonet's radiosonde archive.