Alert archive / Texas / Mesoscale Discussions in 2016

Mesoscale Discussion 1811

November 2, 2016Greer County, Harmon County, Jackson County, Oklahoma; 23 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Nov 2, 2016, 3:07 PM CDT for Greer County, Harmon County, Jackson County, Oklahoma; 23 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Nov 2, 2016, 3:07 PM CDT (20:07 UTC)
Expired
Nov 2, 2016, 5:30 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
Chance of a watch
20%
All 26 counties

Greer County, OK, Harmon County, OK, Jackson County, OK, Andrews County, TX, Borden County, TX, Childress County, TX, Cottle County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Ector County, TX, Floyd County, TX, Foard County, TX, Gaines County, TX, Garza County, TX, Hall County, TX, Hardeman County, TX, Howard County, TX, Kent County, TX, King County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Motley County, TX, Scurry County, TX, Terry County, TX

The radar

The Lubbock radar (KLBB), 70 km from the middle of the area, began a volume at 20:07 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

Midland Regional, TX (KMAF), launched 12:00Z, 8.1 hours before the alert went out and 160 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 2016-11-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 319 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 2016-11-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 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
319 J/kg
Mixed-layer CIN
-211 J/kg
Mixed-layer LCL
1543 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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Nearby

Mesoscale Discussions in Texas, 2016Mesoscale Discussions in Oklahoma, 2016Every mesoscale discussion in 2016

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.