Alert archive / Oklahoma / Mesoscale Discussions in 2005

Mesoscale Discussion 2341

October 19, 20056 counties in Kansas; 22 counties in Oklahoma; 11 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Oct 19, 2005, 12:10 PM CDT for 6 counties in Kansas; 22 counties in Oklahoma; 11 counties in Texas. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued
Oct 19, 2005, 12:10 PM CDT (17:10 UTC)
Expired
Oct 19, 2005, 1:45 PM CDT
In force
95 min
Issued by
the Storm Prediction Center
All 39 counties

Barber County, KS, Comanche County, KS, Harper County, KS, Kingman County, KS, Sedgwick County, KS, Sumner County, KS, Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Comanche County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kingfisher County, OK, Kiowa County, OK, Major County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Baylor County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Foard County, TX, Hardeman County, TX, King County, TX, Knox County, TX, Wheeler County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Vance AFB radar (KVNX), 104 km from the middle of the area, began a volume at 17:11 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 5.2 hours before the alert went out and 145 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, Lamont, OK at 12:00Z on 2005-10-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 119 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, Lamont, OK at 12:00Z on 2005-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 257 square meters per square second.193958Sfc1 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
119 J/kg
Mixed-layer CIN
-362 J/kg
Mixed-layer LCL
1863 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
257 m²/s²
0-3 km storm-relative helicity
246 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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
Oct 19, 12:40 PM CDTSevere Thunderstorm WatchSPCBarber, Comanche, Harper, Kingman, Kiowa, Pratt8 hr
Oct 19, 1:00 PM CDTMesoscale DiscussionSPCGrant, Haskell, Meade, Morton, Seward, Stevens90 min
Oct 19, 2:52 PM CDTMesoscale DiscussionSPCBarber, Clark, Comanche, Harper, Kiowa83 min
Oct 19, 3:27 PM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Butler, Chase, Chautauqua and 19 more93 min
Oct 19, 3:35 PM CDTSevere Thunderstorm WatchSPCBarber, Barton, Clark, Comanche, Edwards, Ellsworth and 22 more5 hr
Oct 19, 4:58 PM CDTMesoscale DiscussionSPCBarber, Clark, Comanche, Harper2 hr

Nearby

Mesoscale Discussions in Oklahoma, 2005Mesoscale Discussions in Texas, 2005Mesoscale Discussions in Kansas, 2005Every mesoscale discussion in 2005

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.