Alert archive / Texas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 154

April 26, 200236 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Apr 26, 2002, 9:30 PM CDT for 36 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 26, 2002, 9:30 PM CDT (02:30 UTC)
Expired
Apr 27, 2002, 3:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 36 counties

Andrews County, TX, Borden County, TX, Coke County, TX, Cottle County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Ector County, TX, Fisher County, TX, Floyd County, TX, Foard County, TX, Gaines County, TX, Garza County, TX, Glasscock County, TX, Hale County, TX, Hardeman County, TX, Haskell County, TX, Hockley County, TX, Howard County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Scurry County, TX, Sterling County, TX, Stonewall County, TX, Terry County, TX, Wilbarger County, TX, Winkler County, TX

The radar

The Lubbock radar (KLBB), 96 km from the middle of the area, began a volume at 02:32 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.

Warnings issued inside it

2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Apr 26, 10:37 PM CDTSevere Thunderstorm WarningLUBLynn23 min
Apr 27, 1:10 AM CDTSevere Thunderstorm WarningLUBHale35 min

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 2.5 hours before the alert went out and 115 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, Midland Regional, TX at 00:00Z on 2002-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 297 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, Midland Regional, TX at 00:00Z on 2002-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 202 square meters per square second.1939587897Sfc1 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
297 J/kg
Mixed-layer CIN
-238 J/kg
Mixed-layer LCL
741 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
202 m²/s²
0-3 km storm-relative helicity
291 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 27, 2:00 AM CDTSevere Thunderstorm WatchSPCBriscoe, Childress, Collingsworth, Cottle, Crosby, Dickens and 17 more5 hr

Nearby

Severe Thunderstorm Watches in Texas, 2002Every severe thunderstorm watch in 2002

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.