Alert archive / Colorado / Mesoscale Discussions in 2004

Mesoscale Discussion 1084

June 4, 20048 states

The Storm Prediction Center issued this mesoscale discussion at Jun 4, 2004, 1:29 PM MDT for 8 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 4, 2004, 1:29 PM MDT (19:29 UTC)
Expired
Jun 4, 2004, 3:30 PM MDT
In force
2 hr
Issued by
the Storm Prediction Center
All 36 counties

Baca County, CO, Bent County, CO, Cheyenne County, CO, Crowley 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, Yuma County, CO, Greeley County, KS, Hamilton County, KS, Morton County, KS, Stanton County, KS, Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Deuel County, NE, Garden County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sheridan County, NE, Sioux County, NE, Union County, NM, Cimarron County, OK, Fall River County, SD, Dallam County, TX, Sherman County, TX, Goshen County, WY

The radar

The Denver radar (KFTG), 107 km from the middle of the area, began a volume at 19:30 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, 7.5 hours before the alert went out and 45 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 2004-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2004-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2903 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
107 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 4, 2:10 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Cheyenne, Kiowa, Kit Carson, Lincoln and 6 more6 hr
Jun 4, 5:04 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Phillips, Prowers, Sedgwick, Yuma116 min
Jun 4, 3:15 AM MDTMesoscale DiscussionSPCBarber, Clark, Comanche, Edwards, Harper, Kingman and 3 more90 min
Jun 4, 2:30 PM MDTSevere Thunderstorm WatchSPCArthur, Box Butte, Cherry, Dawes, Garden, Grant and 4 more6 hr
Jun 3, 7:01 PM MDTMesoscale DiscussionSPCDoña Ana, Lincoln, Otero89 min
Jun 4, 2:26 PM MDTMesoscale DiscussionSPCChaves, De Baca, Doña Ana, Eddy, Lea, Lincoln and 5 more2 hr
Jun 4, 1:13 PM MDTMesoscale DiscussionSPCBeckham, Ellis, Greer, Harmon, Jackson, Roger Mills2 hr
Jun 4, 5:40 PM MDTSevere Thunderstorm WatchSPCBeaver, Texas4 hr
Jun 4, 12:46 PM MDTMesoscale DiscussionSPCCampbell, Corson, Dewey, Edmunds, Faulk, Hyde and 6 more119 min
Jun 4, 1:40 PM MDTSevere Thunderstorm WatchSPCArcher, Baylor, Bosque, Callahan, Clay, Collin and 37 more5 hr
Jun 4, 4:08 PM MDTMesoscale DiscussionSPCAngelina, Chambers, Hardin, Houston, Jasper, Jefferson and 9 more2 hr
Jun 4, 4:35 PM MDTMesoscale DiscussionSPCArcher, Baylor, Bell, Borden, Bosque, Brazos and 62 more85 min
Jun 4, 5:22 PM MDTMesoscale DiscussionSPCArmstrong, Briscoe, Carson, Castro, Collingsworth, Deaf Smith and 10 more83 min

Nearby

Mesoscale Discussions in Colorado, 2004Mesoscale Discussions in Nebraska, 2004Mesoscale Discussions in Kansas, 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.