Alert archive / Kansas / Mesoscale Discussions in 2004

Mesoscale Discussion 74

February 4, 200415 counties in Kansas; McDonald County, Newton County, Missouri; 15 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Feb 4, 2004, 10:33 AM CST for 15 counties in Kansas; McDonald County, Newton County, Missouri; 15 counties in Oklahoma. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Feb 4, 2004, 10:33 AM CST (16:33 UTC)
Expired
Feb 4, 2004, 4:30 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 32 counties

Allen County, KS, Butler County, KS, Chautauqua County, KS, Cherokee County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, McDonald County, MO, Newton County, MO, Craig County, OK, Creek County, OK, Delaware County, OK, Grant County, OK, Kay County, OK, Mayes County, OK, Noble County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 86 km from the middle of the area, began a volume at 16:32 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

Springfield, MO (KSGF), launched 12:00Z, 4.6 hours before the alert went out and 201 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, Springfield, MO at 12:00Z on 2004-02-04Temperature 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, Springfield, MO at 12:00Z on 2004-02-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
2708 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
188 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
Feb 4, 3:58 AM CSTMesoscale DiscussionSPCBarber, Clark, Comanche, Cowley, Edwards, Ford and 9 more3 hr
Feb 4, 3:52 PM CSTMesoscale DiscussionSPCBarry, Carter, Christian, Dent, Douglas, Greene and 15 more4 hr

Nearby

Mesoscale Discussions in Kansas, 2004Mesoscale Discussions in Oklahoma, 2004Mesoscale Discussions in Missouri, 2004Every mesoscale discussion in 2004

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.