Alert archive / Kansas / Mesoscale Discussions in 2011

Mesoscale Discussion 927

May 24, 201132 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at May 24, 2011, 12:59 PM CDT for 32 counties in Kansas. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued
May 24, 2011, 12:59 PM CDT (17:59 UTC)
Expired
May 24, 2011, 2:30 PM CDT
In force
91 min
Issued by
the Storm Prediction Center
All 32 counties

Barton County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Gray County, KS, Greeley County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Lane County, KS, Lincoln County, KS, Logan County, KS, Mitchell County, KS, Ness County, KS, Osborne County, KS, Pawnee County, KS, Reno County, KS, Rice County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Scott County, KS, Sheridan County, KS, Stafford County, KS, Thomas County, KS, Trego County, KS, Wichita County, KS

The radar

The Dodge City radar (KDDC), 112 km from the middle of the area, began a volume at 17:59 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 12:00Z, 6.0 hours before the alert went out and 109 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 12:00Z on 2011-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1043 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 12:00Z on 2011-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 221 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
1043 J/kg
Mixed-layer CIN
-263 J/kg
Mixed-layer LCL
625 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
221 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

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 24, 2:24 AM CDTMesoscale DiscussionSPCCheyenne, Decatur, Ellis, Gove, Graham, Hodgeman and 12 more96 min
May 24, 2:42 AM CDTSevere Thunderstorm WatchSPCCheyenne, Decatur, Ellis, Gove, Graham, Greeley and 15 more4 hr
May 24, 6:21 AM CDTMesoscale DiscussionSPCBarton, Chase, Clay, Cloud, Dickinson, Edwards and 25 more54 min
May 24, 6:51 AM CDTSevere Thunderstorm WatchSPCBarton, Brown, Butler, Chase, Clay, Cloud and 37 more5 hr
May 24, 9:18 AM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Chase, Clay and 28 more87 min
May 24, 10:37 AM CDTMesoscale DiscussionSPCCheyenne, Rawlins, Sherman, Thomas83 min
May 24, 1:27 PM CDTTornado WatchSPCBarber, Clark, Comanche, Edwards, Ellis, Finney and 30 more6 hr
May 24, 2:35 PM CDTMesoscale DiscussionSPCBarber, Barton, Butler, Chase, Chautauqua, Coffey and 27 more85 min
May 24, 3:14 PM CDTTornado Watch PDSSPCAllen, Barton, Butler, Chase, Chautauqua, Cowley and 20 more9 hr
May 24, 5:03 PM CDTMesoscale DiscussionSPCClay, Cloud, Dickinson, Geary, Jewell, Lincoln and 11 more57 min
May 24, 5:19 PM CDTTornado WatchSPCAnderson, Brown, Clay, Cloud, Coffey, Dickinson and 23 more7 hr

Nearby

Mesoscale Discussions in Kansas, 2011Every mesoscale discussion in 2011

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.