Alert archive / Texas / Mesoscale Discussions in 2015

Mesoscale Discussion 1932

November 5, 20159 counties in Arkansas; 17 counties in Oklahoma; 46 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Nov 5, 2015, 5:55 PM CST for 9 counties in Arkansas; 17 counties in Oklahoma; 46 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Nov 5, 2015, 5:55 PM CST (23:55 UTC)
Expired
Nov 5, 2015, 8:00 PM CST
In force
2 hr
Issued by
the Storm Prediction Center
All 72 counties

Crawford County, AR, Franklin County, AR, Logan County, AR, Madison County, AR, Polk County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, Washington County, AR, Adair County, OK, Atoka County, OK, Bryan County, OK, Cherokee County, OK, Choctaw County, OK, Coal County, OK, Haskell County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Love County, OK, Marshall County, OK, McCurtain County, OK, Muskogee County, OK, Pittsburg County, OK, Pushmataha County, OK, Sequoyah County, OK, Bosque County, TX, Brown County, TX, Callahan County, TX, Coleman County, TX, Collin County, TX, Comanche County, TX, Cooke County, TX, Coryell County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Falls County, TX, Fannin County, TX, Franklin County, TX, Freestone County, TX, Grayson County, TX, Hamilton County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Lamar County, TX, Limestone County, TX, McLennan County, TX, Mills County, TX, Montague County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Red River County, TX, Rockwall County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Titus County, TX, Van Zandt County, TX, Wise County, TX, Wood County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 139 km from the middle of the area, began a volume at 23:55 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

Fort Worth, TX (KFWD), launched 12:00Z, 11.9 hours before the alert went out and 116 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, Fort Worth, TX at 12:00Z on 2015-11-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 227 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, Fort Worth, TX at 12:00Z on 2015-11-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 335 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
227 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
598 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
335 m²/s²
0-3 km storm-relative helicity
374 m²/s²
Significant tornado parameter
0.3
Supercell composite
10.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 5, 3:32 PM CSTMesoscale DiscussionSPCBenton, Boone, Carroll, Clark, Conway, Crawford and 25 more88 min
Nov 5, 4:00 PM CSTTornado WatchSPCBaxter, Benton, Boone, Carroll, Clark, Conway and 32 more5 hr
Nov 4, 6:35 PM CSTMesoscale DiscussionSPCBeaver, Ellis, Harper, Texas2 hr
Nov 5, 7:50 AM CSTMesoscale DiscussionSPCCaddo, Canadian, Cleveland, Comanche, Cotton, Grady and 4 more115 min
Nov 5, 10:48 AM CSTMesoscale DiscussionSPCAtoka, Bryan, Carter, Coal, Garvin, Hughes and 13 more87 min
Nov 5, 12:06 PM CSTTornado WatchSPCAdair, Atoka, Bryan, Carter, Cherokee, Choctaw and 41 more8 hr
Nov 5, 2:17 PM CSTMesoscale DiscussionSPCAtoka, Bryan, Choctaw, Coal, Hughes, Johnston and 5 more88 min
Nov 5, 3:17 PM CSTMesoscale DiscussionSPCCraig, Nowata, Ottawa118 min
Nov 5, 7:20 AM CSTMesoscale DiscussionSPCBandera, Bastrop, Bell, Blanco, Burnet, Caldwell and 14 more2 hr

Nearby

Mesoscale Discussions in Texas, 2015Mesoscale Discussions in Oklahoma, 2015Mesoscale Discussions in Arkansas, 2015Every mesoscale discussion in 2015

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.