Alert archive / Texas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 71

April 6, 2002Eddy County, Lea County, New Mexico; 5 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Apr 6, 2002, 5:00 PM MST for Eddy County, Lea County, New Mexico; 5 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Apr 6, 2002, 5:00 PM MST (00:00 UTC)
Expired
Apr 6, 2002, 10:00 PM MST
In force
5 hr
Issued by
the Storm Prediction Center

Counties Eddy County, NM, Lea County, NM, Loving County, TX, Pecos County, TX, Reeves County, TX, Ward County, TX, Winkler County, TX

The radar

The Midland/Odessa radar (KMAF), 115 km from the middle of the area, began a volume at 00:01 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

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

IssuedProductOfficeCountiesLasted
Apr 6, 5:22 PM MSTSevere Thunderstorm WarningMAFReeves53 min
Apr 6, 5:45 PM MSTSevere Thunderstorm WarningMAFLoving60 min
Apr 6, 6:53 PM MSTSevere Thunderstorm WarningMAFWinkler52 min

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 0.0 hours before the alert went out and 114 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 2002-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 306 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 2002-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 square meters per square second.19395878Sfc1 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
306 J/kg
Mixed-layer CIN
-356 J/kg
Mixed-layer LCL
486 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
299 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 7, 12:00 PM MDTTornado WatchSPCBorden, Callahan, Coke, Coleman, Concho, Crockett and 27 more6 hr
Apr 7, 1:30 PM MDTTornado WatchSPCBosque, Brown, Comanche, Coryell, Dallas, Denton and 19 more6 hr
Apr 7, 4:30 PM MDTTornado WatchSPCBandera, Bexar, Blanco, Burnet, Frio, Gillespie and 9 more5 hr

Nearby

Severe Thunderstorm Watches in Texas, 2002Severe Thunderstorm Watches in New Mexico, 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.