Alert archive / Texas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 151, NWS Fort Worth, TX

July 26, 2010Johnson County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jul 26, 2010, 1:57 PM CDT for Johnson County, Texas. It was in force for 63 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, 2010, 1:57 PM CDT (18:57 UTC)
Expired
Jul 26, 2010, 3:00 PM CDT
In force
63 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

County Johnson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 22 km from the middle of the area, began a volume at 18:58 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, 7.0 hours before the alert went out and 51 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 2010-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1744 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 2010-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
1744 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
1395 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
4 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
Jul 25, 7:08 PM CDTSpecial Weather StatementFWDHunt37 min
Jul 25, 7:53 PM CDTSpecial Weather StatementFWDYoung37 min
Jul 26, 1:00 PM CDTSpecial Weather StatementFWDEllis30 min
Jul 26, 1:34 PM CDTAreal Flood AdvisoryFWDEllis116 min
Jul 26, 1:40 PM CDTSpecial Weather StatementFWDKaufman35 min
Jul 26, 1:45 PM CDTSevere Thunderstorm WarningFWDEllis, Henderson, Kaufman, Navarro45 min
Jul 26, 1:50 PM CDTSpecial Weather StatementFWDComanche25 min
Jul 26, 1:57 PM CDTSpecial Weather StatementFWDKaufman33 min
Jul 26, 2:04 PM CDTSpecial Weather StatementFWDFalls26 min
Jul 26, 2:18 PM CDTSevere Thunderstorm WarningFWDKaufman, Rockwall57 min
Jul 26, 2:27 PM CDTAreal Flood AdvisoryFWDKaufman2 hr
Jul 26, 2:52 PM CDTSevere Thunderstorm WarningFWDHunt, Kaufman23 min
Jul 26, 2:53 PM CDTSpecial Weather StatementFWDParker37 min
Jul 26, 3:03 PM CDTSpecial Weather StatementFWDEllis27 min
Jul 26, 3:05 PM CDTSpecial Weather StatementFWDEastland25 min
Jul 26, 3:15 PM CDTSpecial Weather StatementFWDAnderson30 min
Jul 26, 3:34 PM CDTSpecial Weather StatementFWDAnderson26 min
Jul 26, 3:43 PM CDTSevere Thunderstorm WarningFWDAnderson, Freestone, Leon47 min
Jul 26, 3:59 PM CDTSpecial Weather StatementFWDHunt31 min
Jul 26, 4:04 PM CDTSevere Thunderstorm WarningFWDHunt56 min
Jul 26, 4:23 PM CDTSpecial Weather StatementFWDTarrant37 min
Jul 26, 4:28 PM CDTSpecial Weather StatementFWDYoung32 min
Jul 26, 4:38 PM CDTAreal Flood AdvisoryFWDAnderson112 min
Jul 26, 4:42 PM CDTSpecial Weather StatementFWDDelta, Lamar33 min
Jul 26, 4:44 PM CDTSpecial Weather StatementFWDErath31 min
Jul 26, 4:50 PM CDTSpecial Weather StatementFWDYoung25 min
Jul 26, 4:55 PM CDTSpecial Weather StatementFWDErath35 min
Jul 26, 4:59 PM CDTSevere Thunderstorm WarningFWDLamar46 min
Jul 26, 5:35 PM CDTSpecial Weather StatementFWDDelta25 min
Jul 26, 5:37 PM CDTAreal Flood AdvisoryFWDErath, Palo Pinto113 min
Jul 26, 5:38 PM CDTSpecial Weather StatementFWDSomervell37 min
Jul 26, 6:01 PM CDTSpecial Weather StatementFWDFalls29 min
Jul 26, 6:07 PM CDTSpecial Weather StatementFWDHamilton23 min
Jul 26, 6:10 PM CDTSevere Thunderstorm WarningFWDHamilton, Lampasas, Mills50 min
Jul 26, 6:21 PM CDTSevere Thunderstorm WarningFWDWise24 min
Jul 26, 6:36 PM CDTSpecial Weather StatementFWDMcLennan24 min
Jul 26, 6:46 PM CDTSevere Thunderstorm WarningFWDHill, McLennan44 min
Jul 26, 6:55 PM CDTSpecial Weather StatementFWDFalls35 min

Nearby

Severe Thunderstorm Warnings in Texas, 2010Every severe thunderstorm warning in 2010

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.