Alert archive / Colorado / Mesoscale Discussions in 2004

Mesoscale Discussion 1073

June 3, 20044 states

The Storm Prediction Center issued this mesoscale discussion at Jun 3, 2004, 1:48 PM MDT for 4 states. It was in force for 117 min.

The area

The outline as issued.

The facts

Issued
Jun 3, 2004, 1:48 PM MDT (19:48 UTC)
Expired
Jun 3, 2004, 3:45 PM MDT
In force
117 min
Issued by
the Storm Prediction Center
All 42 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, Huerfano County, CO, Jefferson County, CO, Kiowa County, CO, Kit Carson County, CO, Las Animas County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Otero County, CO, Phillips County, CO, Prowers County, CO, Pueblo County, CO, Sedgwick County, CO, Teller County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Deuel County, NE, Garden County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sheridan County, NE, Sioux County, NE, Colfax County, NM, Union County, NM, Goshen County, WY, Laramie County, WY, Platte County, WY

The radar

The Pueblo radar (KPUX), 66 km from the middle of the area, began a volume at 19:51 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.

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 7.8 hours before the alert went out and 113 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 2004-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 2004-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 square meters per square second.193958Sfc1 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
16 J/kg
Mixed-layer CIN
-546 J/kg
Mixed-layer LCL
1671 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
131 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
Jun 3, 2:05 PM MDTTornado WatchSPCAdams, Arapahoe, Bent, Crowley, Elbert, El Paso and 9 more7 hr
Jun 3, 5:05 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Crowley, Elbert, El Paso, Kiowa and 11 more55 min
Jun 3, 3:29 PM MDTMesoscale DiscussionSPCBox Butte, Cherry, Dawes, Hooker, Sheridan, Sioux91 min
Jun 3, 3:50 PM MDTSevere Thunderstorm WatchSPCArthur, Banner, Box Butte, Cherry, Dawes, Garden and 7 more5 hr

Nearby

Mesoscale Discussions in Colorado, 2004Mesoscale Discussions in Nebraska, 2004Mesoscale Discussions in Wyoming, 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; radar from the NEXRAD Level II archive.