Alert archive / Kansas / Mesoscale Discussions in 2003

Mesoscale Discussion 953

May 13, 200314 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at May 13, 2003, 5:31 AM CDT for 14 counties in Kansas. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
May 13, 2003, 5:31 AM CDT (10:31 UTC)
Expired
May 13, 2003, 8:30 AM CDT
In force
3 hr
Issued by
the Storm Prediction Center

Counties Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellsworth County, KS, Geary County, KS, Jewell County, KS, Lincoln County, KS, Marion County, KS, McPherson County, KS, Mitchell County, KS, Morris County, KS, Ottawa County, KS, Riley County, KS, Saline County, KS

The radar

The Topeka radar (KTWX), 143 km from the middle of the area, began a volume at 10:33 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

Dodge City, (KDDC), launched 00:00Z, 10.5 hours before the alert went out and 231 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 2003-05-13Temperature 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, Dodge City, at 00:00Z on 2003-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 square meters per square second.1939587897117Sfc1 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
2755 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
191 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
May 13, 10:08 AM CDTMesoscale DiscussionSPCAllen, Bourbon, Butler, Chautauqua, Cherokee, Coffey and 11 more97 min
May 13, 1:53 PM CDTMesoscale DiscussionSPCHarper, Sumner97 min
May 13, 5:04 PM CDTMesoscale DiscussionSPCBarber, Harper86 min
May 13, 6:20 PM CDTSevere Thunderstorm WatchSPCBrown, Clay, Cloud, Dickinson, Jewell, Marshall and 6 more5 hr

Nearby

Mesoscale Discussions in Kansas, 2003Every mesoscale discussion in 2003

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.