Alert archive / Texas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 131

April 19, 2002Lea County, New Mexico; 17 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Apr 19, 2002, 5:00 PM MDT for Lea County, New Mexico; 17 counties in Texas. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Apr 19, 2002, 5:00 PM MDT (23:00 UTC)
Expired
Apr 19, 2002, 9:00 PM MDT
In force
4 hr
Issued by
the Storm Prediction Center

Counties Lea County, NM, Andrews County, TX, Borden County, TX, Crane County, TX, Culberson County, TX, Dawson County, TX, Ector County, TX, Gaines County, TX, Glasscock County, TX, Howard County, TX, Loving County, TX, Martin County, TX, Midland County, TX, Reeves County, TX, Scurry County, TX, Upton County, TX, Ward County, TX, Winkler County, TX

The radar

The Midland/Odessa radar (KMAF), 93 km from the middle of the area, began a volume at 23:02 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

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

IssuedProductOfficeCountiesLasted
Apr 19, 5:17 PM MDTSevere Thunderstorm WarningMAFDawson43 min
Apr 19, 5:21 PM MDTSevere Thunderstorm WarningMAFMartin54 min
Apr 19, 5:55 PM MDTSevere Thunderstorm WarningMAFAndrews65 min
Apr 19, 6:33 PM MDTSevere Thunderstorm WarningMAFGaines57 min

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 11.0 hours before the alert went out and 92 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 2002-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 538 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 2002-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 145 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
538 J/kg
Mixed-layer CIN
-179 J/kg
Mixed-layer LCL
1376 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
145 m²/s²
0-3 km storm-relative helicity
147 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 19, 4:00 PM MDTSevere Thunderstorm WatchSPCBailey, Cochran, Cottle, Crosby, Dickens, Floyd and 12 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.