Alert archive / Colorado / Mesoscale Discussions in 2005

Mesoscale Discussion 1122

June 2, 200514 counties in Colorado

The Storm Prediction Center issued this mesoscale discussion at Jun 2, 2005, 11:38 AM MDT for 14 counties in Colorado. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 2, 2005, 11:38 AM MDT (17:38 UTC)
Expired: Jun 2, 2005, 1:45 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center

Counties Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Denver County, CO, Douglas County, CO, El Paso County, CO, Fremont County, CO, Gilpin County, CO, Jefferson County, CO, Park County, CO, Summit County, CO, Teller County, CO

The radar

The Denver radar (KFTG), 82 km from the middle of the area, began a volume at 17:37 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.

Tornado Watch 376Jun 2, 12:45 PM MDT

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 5.6 hours before the alert went out and 191 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: 877 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: -27 m²/s²
0-3 km storm-relative helicity: 265 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
Jun 2, 12:45 PM MDT	Tornado Watch	SPC	Adams, Arapahoe, Broomfield, Cheyenne, Denver, Douglas and 13 more	7 hr
Jun 2, 2:43 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Kit Carson, Morgan, Washington, Yuma	2 hr
Jun 2, 4:57 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Broomfield, Cheyenne, Denver, Douglas and 10 more	93 min

Nearby

Mesoscale Discussions in Colorado, 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.