Alert archive / Kansas / Mesoscale Discussions in 2009

Mesoscale Discussion 2265

December 22, 200913 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at Dec 22, 2009, 11:32 PM CST for 13 counties in Kansas. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Dec 22, 2009, 11:32 PM CST (05:32 UTC)
Expired
Dec 23, 2009, 3:30 AM CST
In force
4 hr
Issued by
the Storm Prediction Center

Counties Barton County, KS, Clark County, KS, Edwards County, KS, Ford County, KS, Hodgeman County, KS, Jewell County, KS, Lincoln County, KS, Mitchell County, KS, Osborne County, KS, Pawnee County, KS, Republic County, KS, Rush County, KS, Russell County, KS

The radar

The Dodge City radar (KDDC), 121 km from the middle of the area, began a volume at 05:33 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 nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 5.5 hours before the alert went out and 253 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, Lamont, OK at 00:00Z on 2009-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Lamont, OK at 00:00Z on 2009-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
532 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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
Dec 23, 6:44 AM CSTMesoscale DiscussionSPCRepublic, Washington4 hr
Dec 23, 10:31 AM CSTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Cherokee, Coffey, Crawford and 15 more89 min

Nearby

Mesoscale Discussions in Kansas, 2009Every mesoscale discussion in 2009

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.