Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 180, NWS Fort Worth, TX

May 24, 2013Hill County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 24, 2013, 5:45 PM CDT for Hill County, Texas. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 24, 2013, 5:45 PM CDT (22:45 UTC)
Expired
May 24, 2013, 6:30 PM CDT
In force
45 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

County Hill County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 67 km from the middle of the area, began a volume at 22:46 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, 10.8 hours before the alert went out and 95 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 2013-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2118 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 2013-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -72 square meters per square second.193958Sfc1 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
2118 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
864 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-72 m²/s²
0-3 km storm-relative helicity
-36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 11:09 AM CDTSpecial Weather StatementFWDYoung36 min
May 24, 2:28 PM CDTSpecial Weather StatementFWDComanche32 min
May 24, 2:49 PM CDTSpecial Weather StatementFWDEastland26 min
May 24, 3:43 PM CDTSpecial Weather StatementFWDPalo Pinto, Stephens32 min
May 24, 4:09 PM CDTSpecial Weather StatementFWDBell36 min
May 24, 6:03 PM CDTSpecial Weather StatementFWDJohnson, Somervell27 min
May 24, 6:09 PM CDTSevere Thunderstorm WarningFWDJohnson51 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013Every severe thunderstorm warning in 2013

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.