Alert archive / Kansas / Mesoscale Discussions in 2009

Mesoscale Discussion 2003

September 9, 200919 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at Sep 9, 2009, 1:35 AM CDT for 19 counties in Kansas. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Sep 9, 2009, 1:35 AM CDT (06:35 UTC)
Expired
Sep 9, 2009, 4:30 AM CDT
In force
3 hr
Issued by
the Storm Prediction Center

Counties Barton County, KS, Butler County, KS, Chase County, KS, Ellis County, KS, Ellsworth County, KS, Gove County, KS, Harvey County, KS, Lane County, KS, Marion County, KS, McPherson County, KS, Ness County, KS, Pawnee County, KS, Reno County, KS, Rice County, KS, Rush County, KS, Russell County, KS, Sedgwick County, KS, Stafford County, KS, Trego County, KS

The radar

The Dodge City radar (KDDC), 135 km from the middle of the area, began a volume at 06:35 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

Dodge City, (KDDC), launched 00:00Z, 6.6 hours before the alert went out and 130 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 2009-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1687 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 2009-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 248 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
1687 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
1174 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
248 m²/s²
0-3 km storm-relative helicity
473 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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.