Alert archive / Oklahoma / Mesoscale Discussions in 2005

Mesoscale Discussion 2192

September 13, 200529 counties in Oklahoma; 9 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Sep 13, 2005, 9:03 PM CDT for 29 counties in Oklahoma; 9 counties in Texas. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued
Sep 13, 2005, 9:03 PM CDT (02:03 UTC)
Expired
Sep 13, 2005, 10:30 PM CDT
In force
87 min
Issued by
the Storm Prediction Center
All 38 counties

Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Creek County, OK, Custer County, OK, Dewey County, OK, Garfield County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, Noble County, OK, Oklahoma County, OK, Pawnee County, OK, Payne County, OK, Roger Mills County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Foard County, TX, Hall County, TX, Hardeman County, TX, Motley County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 54 km from the middle of the area, began a volume at 02:04 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

Norman, OK (KOUN), launched 00:00Z, 2.1 hours before the alert went out and 169 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, Norman, OK at 00:00Z on 2005-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1749 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, Norman, OK at 00:00Z on 2005-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
1749 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1909 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.1
Supercell composite
3.0

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
Sep 13, 7:29 PM CDTMesoscale DiscussionSPCAlfalfa, Craig, Garfield, Grant, Kay, Mayes and 7 more2 hr
Sep 13, 9:10 PM CDTSevere Thunderstorm WatchSPCCherokee, Craig, Creek, Delaware, Lincoln, Mayes and 10 more7 hr
Sep 14, 1:35 AM CDTMesoscale DiscussionSPCBeckham, Caddo, Canadian, Comanche, Cotton, Custer and 9 more55 min
Sep 14, 2:15 AM CDTMesoscale DiscussionSPCCherokee, Creek, Delaware, Lincoln, Mayes, Okmulgee and 2 more60 min
Sep 14, 3:50 AM CDTSevere Thunderstorm WatchSPCAdair, Beckham, Blaine, Caddo, Canadian, Cherokee and 29 more6 hr
Sep 14, 7:51 AM CDTMesoscale DiscussionSPCAdair, Alfalfa, Beckham, Blaine, Caddo, Canadian and 53 more54 min
Sep 14, 1:38 PM CDTMesoscale DiscussionSPCCarter, Cleveland, Coal, Comanche, Cotton, Garvin and 12 more97 min
Sep 14, 2:27 PM CDTMesoscale DiscussionSPCAtoka, Latimer, McCurtain, Pushmataha93 min
Sep 14, 3:05 PM CDTTornado WatchSPCCarter, Comanche, Cotton, Garvin, Jackson, Jefferson and 5 more7 hr
Sep 14, 4:40 PM CDTMesoscale DiscussionSPCCimarron2 hr
Sep 14, 5:02 PM CDTMesoscale DiscussionSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 25 more118 min
Sep 14, 6:28 PM CDTMesoscale DiscussionSPCCarter, Comanche, Cotton, Garvin, Jackson, Jefferson and 5 more92 min
Sep 14, 4:32 PM CDTMesoscale DiscussionSPCCoke, Crane, Crockett, Ector, Glasscock, Irion and 6 more88 min

Nearby

Mesoscale Discussions in Oklahoma, 2005Mesoscale Discussions in Texas, 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.