Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 216, NWS Fort Worth, TX

July 26, 2013Kaufman County, Van Zandt County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jul 26, 2013, 6:43 PM CDT for Kaufman County, Van Zandt County, Texas. It was in force for 62 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
Jul 26, 2013, 6:43 PM CDT (23:43 UTC)
Expired
Jul 26, 2013, 7:45 PM CDT
In force
62 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

Counties Kaufman County, TX, Van Zandt County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 116 km from the middle of the area, began a volume at 23:44 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 26, 3:37 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Shreveport, LA (KBAD), launched 12:00Z, 11.7 hours before the alert went out and 217 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, Shreveport, LA at 12:00Z on 2013-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1878 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, Shreveport, LA at 12:00Z on 2013-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
1878 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
678 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.6

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 5:42 AM CDTSpecial Weather StatementFWDMontague33 min
Jul 26, 4:47 PM CDTSpecial Weather StatementFWDHopkins28 min
Jul 26, 5:04 PM CDTSpecial Weather StatementFWDTarrant26 min
Jul 26, 5:22 PM CDTSpecial Weather StatementFWDSomervell23 min
Jul 26, 5:33 PM CDTSpecial Weather StatementFWDEllis27 min
Jul 26, 5:53 PM CDTSpecial Weather StatementFWDEllis37 min
Jul 26, 5:57 PM CDTSpecial Weather StatementFWDEllis33 min
Jul 26, 6:05 PM CDTSevere Thunderstorm WarningFWDDallas, Ellis, Kaufman55 min
Jul 26, 6:10 PM CDTSevere Thunderstorm WarningFWDComanche, Erath, Hamilton65 min
Jul 26, 6:29 PM CDTSpecial Weather StatementFWDEllis31 min
Jul 26, 6:39 PM CDTSpecial Weather StatementFWDKaufman36 min
Jul 26, 6:56 PM CDTSpecial Weather StatementFWDNavarro34 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.