Alert archive / Nebraska / Mesoscale Discussions in 2004

Mesoscale Discussion 1505

July 4, 200415 counties in Colorado; 22 counties in Kansas; 28 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jul 4, 2004, 4:24 PM MDT for 15 counties in Colorado; 22 counties in Kansas; 28 counties in Nebraska. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued: Jul 4, 2004, 4:24 PM MDT (22:24 UTC)
Expired: Jul 4, 2004, 6:00 PM MDT
In force: 96 min
Issued by: the Storm Prediction Center

All 65 counties

Baca County, CO, Bent County, CO, Cheyenne County, CO, Crowley County, CO, Kiowa County, CO, Kit Carson County, CO, Las Animas County, CO, Lincoln County, CO, Logan County, CO, Otero County, CO, Phillips County, CO, Prowers County, CO, Sedgwick County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Finney County, KS, Gove County, KS, Grant County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Morton County, KS, Rawlins County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Sherman County, KS, Stanton County, KS, Stevens County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Arthur County, NE, Blaine County, NE, Box Butte County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Cheyenne County, NE, Custer County, NE, Dawson County, NE, Deuel County, NE, Dundy County, NE, Frontier County, NE, Garden County, NE, Grant County, NE, Hayes County, NE, Hitchcock County, NE, Hooker County, NE, Keith County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE, Morrill County, NE, Perkins County, NE, Red Willow County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE

The radar

The Goodland radar (KGLD), 2 km from the middle of the area, began a volume at 22:25 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.

Severe Thunderstorm Watch 555Jul 4, 6:25 PM MDT

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 10.4 hours before the alert went out and 144 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 285 J/kg
Mixed-layer CIN: -361 J/kg
Mixed-layer LCL: 2561 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 58 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.

Issued	Product	Office	Counties	Lasted
Jul 4, 1:15 PM MDT	Severe Thunderstorm Watch	SPC	Baca, Bent, Cheyenne, Crowley, Kiowa, Kit Carson and 9 more	8 hr
Jul 3, 8:41 PM MDT	Mesoscale Discussion	SPC	Clay, Cloud, Ellis, Gove, Graham, Jewell and 14 more	64 min
Jul 3, 9:10 PM MDT	Severe Thunderstorm Watch	SPC	Atchison, Brown, Chase, Clay, Cloud, Coffey and 20 more	6 hr
Jul 3, 9:25 PM MDT	Severe Thunderstorm Watch	SPC	Barton, Dickinson, Ellis, Ellsworth, Geary, Gove and 17 more	6 hr
Jul 4, 12:45 AM MDT	Mesoscale Discussion	SPC	Atchison, Barton, Brown, Chase, Clay, Coffey and 31 more	90 min
Jul 4, 1:55 AM MDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Barber, Barton, Butler, Chase and 40 more	5 hr
Jul 4, 4:05 AM MDT	Severe Thunderstorm Watch	SPC	Bourbon, Chautauqua, Cherokee, Crawford, Labette, Montgomery and 1 more	5 hr
Jul 4, 5:08 AM MDT	Mesoscale Discussion	SPC	Bourbon, Cherokee, Crawford, Labette, Montgomery, Neosho	2 hr
Jul 4, 5:09 AM MDT	Mesoscale Discussion	SPC	Bourbon, Cherokee, Crawford, Labette, Montgomery, Neosho	2 hr
Jul 4, 2:21 PM MDT	Mesoscale Discussion	SPC	Barber, Barton, Clark, Comanche, Edwards, Ford and 10 more	84 min
Jul 4, 2:40 PM MDT	Severe Thunderstorm Watch	SPC	Barber, Barton, Clark, Comanche, Edwards, Ellis and 16 more	6 hr
Jul 4, 12:28 PM MDT	Mesoscale Discussion	SPC	Arthur, Blaine, Box Butte, Chase, Cherry, Deuel and 13 more	2 hr

Nearby

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