Alert archive / Colorado / Mesoscale Discussions in 2004

Mesoscale Discussion 824

May 22, 200410 counties in Colorado; Cheyenne County, Kansas; 8 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at May 22, 2004, 2:04 PM MDT for 10 counties in Colorado; Cheyenne County, Kansas; 8 counties in Nebraska. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued: May 22, 2004, 2:04 PM MDT (20:04 UTC)
Expired: May 22, 2004, 3:30 PM MDT
In force: 86 min
Issued by: the Storm Prediction Center

Counties Adams County, CO, Arapahoe County, CO, Kit Carson County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Cheyenne County, KS, Banner County, NE, Chase County, NE, Cheyenne County, NE, Deuel County, NE, Dundy County, NE, Keith County, NE, Kimball County, NE, Perkins County, NE

The radar

The Denver radar (KFTG), 123 km from the middle of the area, began a volume at 20:06 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 12:00Z, 8.1 hours before the alert went out and 19 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2107 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 174 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
May 22, 12:13 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Kit Carson, Logan, Morgan, Phillips and 4 more	2 hr
May 22, 1:00 PM MDT	Tornado Watch	SPC	Elbert, Kit Carson, Logan, Morgan, Phillips, Sedgwick and 2 more	6 hr
May 21, 6:40 PM MDT	Tornado Watch	SPC	Cloud, Jewell, Mitchell, Osborne, Phillips, Republic and 2 more	5 hr
May 21, 7:40 PM MDT	Mesoscale Discussion	SPC	Clark, Edwards, Ellis, Ford, Gray, Hodgeman and 8 more	95 min
May 21, 9:01 PM MDT	Mesoscale Discussion	SPC	Cloud, Jewell, Mitchell, Osborne, Phillips, Republic and 2 more	89 min
May 22, 2:52 PM MDT	Mesoscale Discussion	SPC	Barber, Barton, Clark, Clay, Cloud, Comanche and 20 more	83 min
May 22, 4:50 PM MDT	Tornado Watch	SPC	Barton, Clay, Cloud, Dickinson, Ellsworth, Geary and 13 more	5 hr
May 21, 8:55 PM MDT	Tornado Watch	SPC	Burt, Cuming, Dakota, Dixon, Dodge, Thurston and 1 more	4 hr
May 21, 11:25 PM MDT	Mesoscale Discussion	SPC	Adams, Antelope, Boone, Buffalo, Burt, Butler and 29 more	2 hr
May 21, 11:55 PM MDT	Severe Thunderstorm Watch	SPC	Adams, Boone, Buffalo, Burt, Butler, Cass and 31 more	5 hr
May 22, 2:44 AM MDT	Mesoscale Discussion	SPC	Adams, Buffalo, Burt, Butler, Cass, Clay and 20 more	61 min
May 22, 2:02 PM MDT	Mesoscale Discussion	SPC	Adams, Butler, Cass, Clay, Douglas, Fillmore and 22 more	58 min
May 22, 2:45 PM MDT	Tornado Watch	SPC	Adams, Boone, Buffalo, Burt, Butler, Cass and 44 more	7 hr

Nearby

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