Alert archive / Kansas / Mesoscale Discussions in 2007

Mesoscale Discussion 923

May 29, 200733 counties in Kansas; Beaver County, Harper County, Texas County, Oklahoma; 4 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 29, 2007, 9:02 PM CDT for 33 counties in Kansas; Beaver County, Harper County, Texas County, Oklahoma; 4 counties in Texas. It was in force for 118 min.

The area

The outline as issued.

The facts

Issued
May 29, 2007, 9:02 PM CDT (02:02 UTC)
Expired
May 29, 2007, 11:00 PM CDT
In force
118 min
Issued by
the Storm Prediction Center
All 40 counties

Clark County, KS, Comanche County, KS, Edwards County, KS, Ellis County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Lane County, KS, Logan County, KS, Meade County, KS, Morton County, KS, Ness County, KS, Pawnee County, KS, Rush County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Sherman County, KS, Stanton County, KS, Stevens County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS, Beaver County, OK, Harper County, OK, Texas County, OK, Hansford County, TX, Lipscomb County, TX, Ochiltree County, TX, Sherman County, TX

The radar

The Dodge City radar (KDDC), 71 km from the middle of the area, began a volume at 02:02 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, 2.0 hours before the alert went out and 77 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 2007-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1362 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 2007-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939Sfc1 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
1362 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
1343 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

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 29, 7:08 PM CDTSevere Thunderstorm WatchSPCBarber, Clark, Comanche, Edwards, Ellis, Finney and 30 more7 hr
May 29, 8:22 PM CDTSevere Thunderstorm WatchSPCOsborne, Phillips, Rooks, Smith5 hr
May 29, 10:43 PM CDTMesoscale DiscussionSPCBarton, Clark, Clay, Cloud, Comanche, Dickinson and 32 more92 min
May 29, 11:03 PM CDTSevere Thunderstorm WatchSPCBarton, Ellsworth, Harper, Kingman, Lincoln, McPherson and 4 more4 hr
May 30, 1:52 AM CDTMesoscale DiscussionSPCBarber, Comanche, Harper, Kingman, Kiowa, Pratt and 3 more83 min
May 30, 4:11 AM CDTMesoscale DiscussionSPCCaddo, Canadian, Comanche, Cotton, Grady, Greer and 7 more94 min
May 30, 4:50 AM CDTSevere Thunderstorm WatchSPCBryan, Carter, Comanche, Cotton, Garvin, Grady and 9 more6 hr
May 30, 7:42 AM CDTMesoscale DiscussionSPCBryan, Carter, Cotton, Garvin, Jefferson, Johnston and 5 more93 min
May 29, 7:53 PM CDTMesoscale DiscussionSPCBell, Brown, Burnet, Coleman, Coryell, Lampasas and 5 more2 hr
May 30, 8:59 AM CDTSevere Thunderstorm WatchSPCAnderson, Angelina, Austin, Bell, Bosque, Bowie and 63 more5 hr
May 30, 11:07 AM CDTMesoscale DiscussionSPCAnderson, Angelina, Austin, Brazos, Burleson, Camp and 45 more83 min
May 30, 1:23 PM CDTMesoscale DiscussionSPCAngelina, Chambers, Hardin, Jasper, Jefferson, Liberty and 10 more97 min
May 30, 6:13 PM CDTMesoscale DiscussionSPCBandera, Brown, Callahan, Coleman, Comanche, Concho and 18 more92 min

Nearby

Mesoscale Discussions in Kansas, 2007Mesoscale Discussions in Texas, 2007Mesoscale Discussions in Oklahoma, 2007Every mesoscale discussion in 2007

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.