Alert archive / Colorado / Mesoscale Discussions in 2003

Mesoscale Discussion 1159

May 30, 200323 counties in Colorado; 10 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at May 30, 2003, 7:30 PM MDT for 23 counties in Colorado; 10 counties in Kansas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 30, 2003, 7:30 PM MDT (01:30 UTC)
Expired: May 30, 2003, 9:30 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 33 counties

Adams County, CO, Arapahoe County, CO, Bent County, CO, Broomfield County, CO, Cheyenne County, CO, Crowley County, CO, Denver County, CO, Douglas County, CO, El Paso County, CO, Elbert County, CO, Jefferson County, CO, Kiowa County, CO, Kit Carson County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Otero County, CO, Phillips County, CO, Prowers County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Cheyenne County, KS, Grant County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Sherman County, KS, Stanton County, KS, Wallace County, KS, Wichita County, KS

The radar

The Pueblo radar (KPUX), 75 km from the middle of the area, began a volume at 01:32 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

Denver, CO (KDNR), launched 00:00Z, 1.5 hours before the alert went out and 123 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: 27 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 2925 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 27 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
May 31, 2:52 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 6 more	113 min
May 31, 5:53 PM MDT	Mesoscale Discussion	SPC	Logan	67 min

Nearby

Mesoscale Discussions in Colorado, 2003 Mesoscale Discussions in Kansas, 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.