Alert archive / Colorado / Mesoscale Discussions in 2004

Mesoscale Discussion 1722

July 17, 200416 counties in Colorado

The Storm Prediction Center issued this mesoscale discussion at Jul 17, 2004, 12:38 PM MDT for 16 counties in Colorado. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Jul 17, 2004, 12:38 PM MDT (18:38 UTC)
Expired
Jul 17, 2004, 3:45 PM MDT
In force
3 hr
Issued by
the Storm Prediction Center

Counties Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Custer County, CO, Denver County, CO, Douglas County, CO, Eagle County, CO, Fremont County, CO, Gilpin County, CO, Grand County, CO, Huerfano County, CO, Jefferson County, CO, Lake County, CO, Park County, CO, Summit County, CO, Teller County, CO

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 6.6 hours before the alert went out and 226 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, Denver, CO at 12:00Z on 2004-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 joules per kilogram.LCLLFCEL10008507005003002001001 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, Denver, CO at 12:00Z on 2004-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 square meters per square second.1939Sfc1 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
113 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
810 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
10 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
Jul 17, 4:01 PM MDTMesoscale DiscussionSPCBaca, Las Animas2 hr

Nearby

Mesoscale Discussions in Colorado, 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.