Alert archive / Oklahoma / Mesoscale Discussions in 2008

Mesoscale Discussion 1037

May 25, 2008Barber County, Pratt County, Kansas; 21 counties in Oklahoma; 9 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 25, 2008, 9:29 PM CDT for Barber County, Pratt County, Kansas; 21 counties in Oklahoma; 9 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
May 25, 2008, 9:29 PM CDT (02:29 UTC)
Expired
May 25, 2008, 11:30 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 32 counties

Barber County, KS, Pratt County, KS, Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Canadian County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Kay County, OK, Kingfisher County, OK, Logan County, OK, Major County, OK, Noble County, OK, Osage County, OK, Roger Mills County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hemphill County, TX, Hutchinson County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Vance AFB radar (KVNX), 119 km from the middle of the area, began a volume at 02:31 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

Dodge City, (KDDC), launched 00:00Z, 2.5 hours before the alert went out and 170 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, Dodge City, at 00:00Z on 2008-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1684 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, Dodge City, at 00:00Z on 2008-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 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
1684 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
1838 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.3
Supercell composite
9.1

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
May 25, 8:07 PM CDTMesoscale DiscussionSPCAtchison, Barber, Barton, Brown, Butler, Chase and 31 more113 min
May 25, 8:46 PM CDTTornado WatchSPCAnderson, Atchison, Brown, Butler, Chase, Chautauqua and 32 more3 hr
May 25, 11:21 PM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Bourbon, Butler, Chase, Chautauqua and 15 more6 hr
May 26, 12:10 AM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Chautauqua, Cherokee, Cowley and 10 more95 min
May 26, 2:42 AM CDTMesoscale DiscussionSPCCherokee, Crawford, Labette93 min
May 26, 1:31 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Edwards, Ford and 14 more59 min
May 26, 1:46 PM CDTTornado WatchSPCBarber, Barton, Butler, Chase, Chautauqua, Clark and 29 more6 hr
May 26, 3:39 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Edwards, Ellsworth and 19 more96 min
May 26, 6:39 PM CDTMesoscale DiscussionSPCBarber, Barton, Butler, Chase, Chautauqua, Clark and 26 more2 hr
May 25, 10:00 PM CDTSevere Thunderstorm WatchSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Creek and 19 more6 hr
May 25, 8:54 PM CDTMesoscale DiscussionSPCAndrews, Brewster, Castro, Crane, Crockett, Culberson and 19 more2 hr
May 26, 1:55 PM CDTMesoscale DiscussionSPCBorden, Coke, Cottle, Crane, Crosby, Dawson and 22 more95 min
May 26, 2:42 PM CDTSevere Thunderstorm WatchSPCAndrews, Borden, Brewster, Coke, Cottle, Crane and 32 more7 hr

Nearby

Mesoscale Discussions in Oklahoma, 2008Mesoscale Discussions in Texas, 2008Mesoscale Discussions in Kansas, 2008Every mesoscale discussion in 2008

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.