Alert archive / Kansas / Mesoscale Discussions in 2007

Mesoscale Discussion 2071

October 13, 200739 counties in Kansas; Nuckolls County, Webster County, Nebraska

The Storm Prediction Center issued this mesoscale discussion at Oct 13, 2007, 8:27 PM CDT for 39 counties in Kansas; Nuckolls County, Webster County, Nebraska. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued
Oct 13, 2007, 8:27 PM CDT (01:27 UTC)
Expired
Oct 13, 2007, 10:00 PM CDT
In force
93 min
Issued by
the Storm Prediction Center
All 41 counties

Barton County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Grant County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS, Jewell County, KS, Kearny County, KS, Lane County, KS, Lincoln County, KS, Logan County, KS, McPherson County, KS, Mitchell County, KS, Ness County, KS, Osborne County, KS, Ottawa County, KS, Pawnee County, KS, Phillips County, KS, Republic County, KS, Rice County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Scott County, KS, Sheridan County, KS, Smith County, KS, Stafford County, KS, Trego County, KS, Wichita County, KS, Nuckolls County, NE, Webster County, NE

The radar

The Dodge City radar (KDDC), 122 km from the middle of the area, began a volume at 01:28 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, 1.5 hours before the alert went out and 120 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 2007-10-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1349 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 2007-10-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 285 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
1349 J/kg
Mixed-layer CIN
-130 J/kg
Mixed-layer LCL
1653 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
285 m²/s²
0-3 km storm-relative helicity
496 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

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
Oct 13, 9:17 PM CDTSevere Thunderstorm WatchSPCBarton, Cloud, Decatur, Edwards, Ellis, Ellsworth and 33 more8 hr
Oct 13, 11:01 PM CDTMesoscale DiscussionSPCBarton, Decatur, Edwards, Ellis, Ellsworth, Finney and 27 more89 min
Oct 13, 11:27 PM CDTMesoscale DiscussionSPCClark63 min
Oct 14, 1:53 AM CDTMesoscale DiscussionSPCBarton, Clark, Cloud, Edwards, Ellis, Ellsworth and 15 more2 hr
Oct 14, 12:56 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Cloud, Comanche, Edwards and 18 more64 min
Oct 14, 2:14 PM CDTSevere Thunderstorm WatchSPCBarber, Butler, Chase, Chautauqua, Clay, Cowley and 25 more7 hr
Oct 14, 4:59 PM CDTMesoscale DiscussionSPCButler, Chase, Chautauqua, Clay, Cloud, Cowley and 28 more2 hr
Oct 14, 11:29 AM CDTMesoscale DiscussionSPCAdams, Boone, Buffalo, Dawson, Frontier, Furnas and 15 more91 min

Nearby

Mesoscale Discussions in Kansas, 2007Mesoscale Discussions in Nebraska, 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.