Alert archive / Colorado / Mesoscale Discussions in 2005

Mesoscale Discussion 1598

July 2, 20054 states

The Storm Prediction Center issued this mesoscale discussion at Jul 2, 2005, 2:58 PM MDT for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jul 2, 2005, 2:58 PM MDT (20:58 UTC)
Expired: Jul 2, 2005, 5:00 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 33 counties

Adams County, CO, Arapahoe County, CO, Boulder 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, Kit Carson County, CO, Larimer County, CO, Lincoln County, CO, Morgan County, CO, Washington County, CO, Weld County, CO, Cheyenne County, KS, Decatur County, KS, Logan County, KS, Rawlins County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Banner County, NE, Hitchcock County, NE, Kimball County, NE, Red Willow County, NE, Albany County, WY, Goshen County, WY, Laramie County, WY, Platte County, WY

The radar

The Denver radar (KFTG), 104 km from the middle of the area, began a volume at 20:57 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 12:00Z, 9.0 hours before the alert went out and 48 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: 269 J/kg
Mixed-layer CIN: -236 J/kg
Mixed-layer LCL: 2941 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 170 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

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
Jul 1, 6:15 PM MDT	Severe Thunderstorm Watch	SPC	Baca, Bent, Crowley, Kiowa, Prowers	7 hr
Jul 1, 9:29 PM MDT	Mesoscale Discussion	SPC	Baca, Bent, Kiowa, Prowers	91 min
Jul 1, 8:10 PM MDT	Mesoscale Discussion	SPC	Decatur, Gove, Graham, Logan, Norton, Rawlins and 3 more	65 min
Jul 2, 12:32 AM MDT	Mesoscale Discussion	SPC	Clark, Ford, Gray, Haskell, Meade, Seward and 1 more	28 min

Nearby

Mesoscale Discussions in Colorado, 2005 Mesoscale Discussions in Kansas, 2005 Mesoscale Discussions in Nebraska, 2005 Every mesoscale discussion in 2005

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.