Alert archive / Colorado / Mesoscale Discussions in 2004

Mesoscale Discussion 1289

June 15, 20046 states

The Storm Prediction Center issued this mesoscale discussion at Jun 15, 2004, 12:53 PM MDT for 6 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 15, 2004, 12:53 PM MDT (18:53 UTC)
Expired
Jun 15, 2004, 3:00 PM MDT
In force
2 hr
Issued by
the Storm Prediction Center
All 44 counties

Adams County, CO, Arapahoe County, CO, Baca County, CO, Bent 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, 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, Cheyenne County, KS, Greeley County, KS, Hamilton County, KS, Morton County, KS, Sherman County, KS, Stanton County, KS, Wallace County, KS, Chase County, NE, Deuel County, NE, Dundy County, NE, Perkins County, NE, Colfax County, NM, Union County, NM, Cimarron County, OK, Dallam County, TX

The radar

The Pueblo radar (KPUX), 14 km from the middle of the area, began a volume at 18:56 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, 6.9 hours before the alert went out and 166 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 2004-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 2004-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2740 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
81 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 14, 9:32 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Cheyenne, Crowley, Elbert and 9 more88 min
Jun 14, 10:00 PM MDTSevere Thunderstorm WatchSPCProwers5 hr
Jun 15, 1:20 PM MDTSevere Thunderstorm WatchSPCAdams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 18 more8 hr
Jun 14, 7:21 PM MDTMesoscale DiscussionSPCAnderson, Atchison, Brown, Chase, Clay, Cloud and 33 more54 min
Jun 14, 8:52 PM MDTMesoscale DiscussionSPCAtchison, Brown, Clay, Cloud, Doniphan, Douglas and 13 more113 min
Jun 14, 10:25 PM MDTSevere Thunderstorm WatchSPCAtchison, Brown, Clay, Dickinson, Doniphan, Douglas and 19 more5 hr
Jun 15, 1:00 AM MDTMesoscale DiscussionSPCBarton, Clay, Cloud, Dickinson, Edwards, Ellis and 21 more2 hr
Jun 15, 2:40 AM MDTSevere Thunderstorm WatchSPCAllen, Anderson, Butler, Chase, Chautauqua, Coffey and 27 more5 hr
Jun 15, 3:50 AM MDTMesoscale DiscussionSPCBarton, Chase, Clay, Dickinson, Ellsworth, Geary and 15 more115 min
Jun 15, 6:07 AM MDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Cherokee, Crawford, Franklin and 6 more83 min
Jun 15, 5:30 PM MDTSevere Thunderstorm WatchSPCCheyenne, Decatur, Gove, Graham, Greeley, Logan and 12 more6 hr
Jun 15, 12:17 PM MDTMesoscale DiscussionSPCBlaine, Boyd, Brown, Holt, Keya Paha, Rock and 1 more118 min
Jun 15, 2:35 PM MDTTornado WatchSPCCedar, Dakota, Dixon, Knox, Pierce, Wayne6 hr
Jun 15, 4:19 PM MDTMesoscale DiscussionSPCArthur, Blaine, Boyd, Brown, Custer, Garfield and 12 more116 min
Jun 15, 2:05 PM MDTMesoscale DiscussionSPCCurry, Lea, Quay, Roosevelt115 min
Jun 15, 12:30 PM MDTMesoscale DiscussionSPCBell, Blanco, Bosque, Burnet, Comanche, Coryell and 14 more90 min

Nearby

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