Alert archive / Texas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 260, NWS Midland/Odessa, TX

October 20, 2010Culberson County, Texas; Eddy County, New Mexico

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Oct 20, 2010, 11:11 PM CDT for Culberson County, Texas; Eddy County, New Mexico. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 20, 2010, 11:11 PM CDT (04:11 UTC)
Expired
Oct 21, 2010, 12:15 AM CDT
In force
64 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon

Counties Eddy County, NM, Culberson County, TX

The radar

The Holloman AFB radar (KHDX), 203 km from the middle of the area, began a volume at 04:13 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.

The nearest sounding before it

Santa Teresa, NM (KEPZ), launched 00:00Z, 4.2 hours before the alert went out and 216 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, Santa Teresa, NM at 00:00Z on 2010-10-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 48 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, Santa Teresa, NM at 00:00Z on 2010-10-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
48 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
2832 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Midland/Odessa, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 20, 2:46 PM CDT, 8 hours 25 minutes earlier.

Area forecast discussion, Oct 20, 2:46 PM CDT, 8 hours 25 minutes before
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Hazardous weather outlook, Oct 20, 12:56 PM CDT, 10 hours 15 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 21, 2:51 PM CDTSevere Thunderstorm WarningMAFPecos54 min
Oct 21, 3:07 PM CDTSevere Thunderstorm WarningMAFCrane, Pecos, Ward53 min
Oct 21, 3:36 PM CDTSevere Thunderstorm WarningMAFCrane, Pecos, Upton54 min
Oct 21, 3:48 PM CDTSevere Thunderstorm WarningMAFCrane, Upton42 min
Oct 21, 3:56 PM CDTSevere Thunderstorm WarningMAFPecos, Reeves, Ward49 min
Oct 21, 4:20 PM CDTTornado WarningMAFCrane, Pecos, Upton55 min
Oct 21, 4:30 PM CDTSevere Thunderstorm WarningMAFCrane, Ward60 min
Oct 21, 4:31 PM CDTSevere Thunderstorm WarningMAFCrane, Pecos, Upton59 min
Oct 21, 4:48 PM CDTTornado WarningMAFCrane, Upton42 min
Oct 21, 5:19 PM CDTSevere Thunderstorm WarningMAFAndrews56 min
Oct 21, 5:28 PM CDTSevere Thunderstorm WarningMAFReagan, Upton49 min
Oct 21, 5:31 PM CDTTornado WarningMAFUpton45 min
Oct 21, 5:44 PM CDTSevere Thunderstorm WarningMAFAndrews, Gaines61 min
Oct 21, 6:13 PM CDTSevere Thunderstorm WarningMAFAndrews, Ector, Gaines, Winkler62 min
Oct 20, 10:05 PM CDTSevere Thunderstorm WarningMAFEddy55 min
Oct 20, 10:56 PM CDTSevere Thunderstorm WarningMAFEddy64 min

Nearby

Severe Thunderstorm Warnings in Texas, 2010Severe Thunderstorm Warnings in New Mexico, 2010Every severe thunderstorm warning in 2010

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.