Alert archive / Texas / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 155

April 16, 200121 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Apr 16, 2001, 5:15 PM CDT for 21 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Apr 16, 2001, 5:15 PM CDT (22:15 UTC)
Expired
Apr 16, 2001, 10:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 21 counties

Borden County, TX, Coke County, TX, Concho County, TX, Crockett County, TX, Dawson County, TX, Gaines County, TX, Glasscock County, TX, Howard County, TX, Irion County, TX, Kimble County, TX, Martin County, TX, Menard County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Reagan County, TX, Schleicher County, TX, Scurry County, TX, Sterling County, TX, Sutton County, TX, Tom Green County, TX

The radar

The San Angelo radar (KSJT), 78 km from the middle of the area, began a volume at 22:16 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

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

IssuedProductOfficeCountiesLasted
Apr 16, 5:45 PM CDTSevere Thunderstorm WarningSJTIrion60 min
Apr 16, 5:58 PM CDTSevere Thunderstorm WarningMAFBorden62 min
Apr 16, 6:35 PM CDTSevere Thunderstorm WarningSJTCrockett55 min
Apr 16, 6:47 PM CDTSevere Thunderstorm WarningMAFHoward58 min
Apr 16, 6:58 PM CDTTornado WarningMAFHoward47 min
Apr 16, 7:45 PM CDTSevere Thunderstorm WarningMAFHoward45 min
Apr 16, 7:46 PM CDTSevere Thunderstorm WarningMAFGlasscock44 min
Apr 16, 8:00 PM CDTSevere Thunderstorm WarningSJTSterling60 min
Apr 16, 8:02 PM CDTFlash Flood WarningMAFGlasscock, Howard118 min
Apr 16, 8:44 PM CDTSevere Thunderstorm WarningSJTIrion46 min
Apr 16, 9:28 PM CDTSevere Thunderstorm WarningSJTIrion32 min
Apr 16, 9:59 PM CDTSevere Thunderstorm WarningSJTCrockett61 min

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 10.3 hours before the alert went out and 112 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 12:00Z on 2001-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 65 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 12:00Z on 2001-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 194 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
65 J/kg
Mixed-layer CIN
-286 J/kg
Mixed-layer LCL
1108 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
194 m²/s²
0-3 km storm-relative helicity
254 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.4

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.

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; radar from the NEXRAD Level II archive.