Alert archive / Texas / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 71

March 23, 200121 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Mar 23, 2001, 6:00 PM CST for 21 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Mar 23, 2001, 6:00 PM CST (00:00 UTC)
Expired
Mar 23, 2001, 11:00 PM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 21 counties

Bailey County, TX, Briscoe County, TX, Castro County, TX, Cochran County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Floyd County, TX, Garza County, TX, Hale County, TX, Hall County, TX, Hockley County, TX, Kent County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Motley County, TX, Parmer County, TX, Stonewall County, TX, Swisher County, TX, Terry County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 23, 7:34 PM CSTSevere Thunderstorm WarningLUBHockley, Lamb41 min
Mar 23, 8:17 PM CSTSevere Thunderstorm WarningLUBHockley28 min
Mar 23, 8:28 PM CSTSevere Thunderstorm WarningLUBLubbock47 min
Mar 23, 9:06 PM CSTSevere Thunderstorm WarningLUBLynn34 min
Mar 23, 10:54 PM CSTSevere Thunderstorm WarningLUBStonewall51 min

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.0 hours before the alert went out and 128 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, Amarillo Airport, TX at 00:00Z on 2001-03-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 685 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, Amarillo Airport, TX at 00:00Z on 2001-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
685 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1474 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 23, 8:15 PM CSTSevere Thunderstorm WatchSPCArcher, Baylor, Callahan, Clay, Coleman, Collin and 36 more6 hr
Mar 24, 2:00 AM CSTSevere Thunderstorm WatchSPCBell, Bosque, Brown, Burnet, Coleman, Collin and 34 more5 hr

Nearby

Severe Thunderstorm Watches in Texas, 2001Every severe thunderstorm watch in 2001

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.