Alert archive / Kansas / Mesoscale Discussions in 2003

Mesoscale Discussion 553

April 24, 20038 counties in Kansas; 6 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Apr 24, 2003, 1:11 AM CDT for 8 counties in Kansas; 6 counties in Oklahoma. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Apr 24, 2003, 1:11 AM CDT (06:11 UTC)
Expired: Apr 24, 2003, 3:15 AM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

Counties Harper County, KS, Harvey County, KS, Kingman County, KS, Marion County, KS, McPherson County, KS, Reno County, KS, Sedgwick County, KS, Sumner County, KS, Alfalfa County, OK, Blaine County, OK, Garfield County, OK, Grant County, OK, Kingfisher County, OK, Major County, OK

The radar

The Vance AFB radar (KVNX), 32 km from the middle of the area, began a volume at 06:14 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, 6.2 hours before the alert went out and 184 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3288 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 58 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.

Issued	Product	Office	Counties	Lasted
Apr 24, 12:03 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Coffey, Franklin, Linn and 3 more	2 hr
Apr 24, 2:35 PM CDT	Severe Thunderstorm Watch	SPC	Anderson, Chase, Coffey, Dickinson, Douglas, Franklin and 15 more	5 hr
Apr 24, 3:27 PM CDT	Mesoscale Discussion	SPC	Anderson, Chase, Coffey, Dickinson, Douglas, Franklin and 15 more	2 hr
Apr 24, 5:51 PM CDT	Mesoscale Discussion	SPC	Anderson, Butler, Chase, Coffey, Dickinson, Douglas and 18 more	54 min
Apr 23, 7:03 PM CDT	Mesoscale Discussion	SPC	Atoka, Bryan, Carter, Jefferson, Johnston, Love and 2 more	117 min
Apr 23, 8:43 PM CDT	Mesoscale Discussion	SPC	Comanche, Cotton, Stephens, Tillman	77 min
Apr 23, 9:35 PM CDT	Severe Thunderstorm Watch	SPC	Atoka, Bryan, Carter, Choctaw, Cleveland, Coal and 20 more	5 hr
Apr 23, 11:43 PM CDT	Mesoscale Discussion	SPC	Atoka, Bryan, Choctaw, Haskell, Latimer, LeFlore and 6 more	2 hr

Nearby

Mesoscale Discussions in Kansas, 2003 Mesoscale Discussions in Oklahoma, 2003 Every 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.