Alert archive / Kansas / Mesoscale Discussions in 2004

Mesoscale Discussion 385

April 19, 2004Baca County, Prowers County, Colorado; 15 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at Apr 19, 2004, 5:23 PM MDT for Baca County, Prowers County, Colorado; 15 counties in Kansas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Apr 19, 2004, 5:23 PM MDT (23:23 UTC)
Expired: Apr 19, 2004, 7:30 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center

Counties Baca County, CO, Prowers County, CO, Clark County, KS, Edwards County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Meade County, KS, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS

The radar

The Dodge City radar (KDDC), 124 km from the middle of the area, began a volume at 23:23 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 92Apr 19, 8:00 PM MDT

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.4 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-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: 1636 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 345 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 18, 7:00 PM MDT	Mesoscale Discussion	SPC	Barton, Clay, Cloud, Dickinson, Ellsworth, Geary and 15 more	60 min

Nearby

Mesoscale Discussions in Kansas, 2004 Mesoscale Discussions in Colorado, 2004 Every 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.