Alert archive / Colorado / Mesoscale Discussions in 2007

Mesoscale Discussion 1453

July 11, 20075 states

The Storm Prediction Center issued this mesoscale discussion at Jul 11, 2007, 9:17 PM MDT for 5 states. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued
Jul 11, 2007, 9:17 PM MDT (03:17 UTC)
Expired
Jul 11, 2007, 10:45 PM MDT
In force
88 min
Issued by
the Storm Prediction Center
All 27 counties

Baca County, CO, Bent County, CO, Crowley County, CO, El Paso County, CO, Elbert County, CO, Huerfano County, CO, Kiowa County, CO, Las Animas County, CO, Lincoln County, CO, Otero County, CO, Prowers County, CO, Pueblo County, CO, Teller County, CO, Grant County, KS, Hamilton County, KS, Kearny County, KS, Morton County, KS, Stanton County, KS, Stevens County, KS, Colfax County, NM, Mora County, NM, Union County, NM, Cimarron County, OK, Texas County, OK, Dallam County, TX, Hansford County, TX, Sherman County, TX

The radar

The Pueblo radar (KPUX), 149 km from the middle of the area, began a volume at 03:18 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 nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 3.3 hours before the alert went out and 260 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 00:00Z on 2007-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 320 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 00:00Z on 2007-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.19395878Sfc1 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
320 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
2266 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

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 11, 6:12 PM MDTTornado WatchSPCAdams, Arapahoe, Cheyenne, Kit Carson, Logan, Morgan and 5 more6 hr
Jul 11, 8:38 PM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Logan, Morgan, Phillips, Washington and 2 more97 min
Jul 12, 12:36 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick, Weld84 min
Jul 12, 1:03 PM MDTSevere Thunderstorm WatchSPCBoulder, Larimer, Logan, Morgan, Phillips, Sedgwick and 2 more7 hr
Jul 12, 3:55 PM MDTMesoscale DiscussionSPCCheyenne, Elbert, Kit Carson, Lincoln, Washington, Yuma95 min
Jul 12, 4:19 PM MDTSevere Thunderstorm WatchSPCAdams, Arapahoe, Cheyenne, Elbert, Kit Carson, Lincoln and 1 more7 hr
Jul 12, 5:36 PM MDTMesoscale DiscussionSPCBoulder, Larimer, Logan, Morgan, Phillips, Sedgwick and 1 more54 min
Jul 12, 12:31 AM MDTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Cowley, Edwards and 21 more2 hr
Jul 12, 4:34 AM MDTMesoscale DiscussionSPCBarber, Clark, Comanche, Harper, Kingman, Kiowa and 2 more2 hr
Jul 12, 2:41 PM MDTMesoscale DiscussionSPCClark, Grant, Haskell, Meade, Morton, Seward and 1 more2 hr
Jul 12, 4:54 PM MDTSevere Thunderstorm WatchSPCBarber, Clark, Comanche, Edwards, Finney, Ford and 19 more7 hr
Jul 12, 4:46 AM MDTSevere Thunderstorm WatchSPCBlaine, Caddo, Canadian, Cleveland, Creek, Custer and 23 more5 hr
Jul 12, 6:47 AM MDTMesoscale DiscussionSPCBlaine, Caddo, Canadian, Cleveland, Creek, Custer and 21 more118 min
Jul 12, 9:39 AM MDTMesoscale DiscussionSPCAtoka, Carter, Coal, Haskell, Johnston, Latimer and 7 more66 min
Jul 12, 1:07 PM MDTMesoscale DiscussionSPCBowie, Cass, Delta, Fannin, Franklin, Lamar and 3 more53 min

Nearby

Mesoscale Discussions in Colorado, 2007Mesoscale Discussions in Kansas, 2007Mesoscale Discussions in New Mexico, 2007Every mesoscale discussion in 2007

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.