Alert archive / Kansas / Mesoscale Discussions in 2004

Mesoscale Discussion 1533

July 5, 2004Prowers County, Colorado; 22 counties in Kansas; 16 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jul 5, 2004, 7:50 PM MDT for Prowers County, Colorado; 22 counties in Kansas; 16 counties in Nebraska. It was in force for 55 min.

The area

The outline as issued.

The facts

Issued
Jul 5, 2004, 7:50 PM MDT (01:50 UTC)
Expired
Jul 5, 2004, 8:45 PM MDT
In force
55 min
Issued by
the Storm Prediction Center
All 39 counties

Prowers County, CO, Ellis County, KS, Finney County, KS, Gove County, KS, Graham County, KS, Greeley County, KS, Hamilton County, KS, Jewell County, KS, Kearny County, KS, Lane County, KS, Mitchell County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Phillips County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Scott County, KS, Sheridan County, KS, Smith County, KS, Trego County, KS, Wichita County, KS, Adams County, NE, Clay County, NE, Fillmore County, NE, Franklin County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Kearney County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Platte County, NE, Polk County, NE, Thayer County, NE, Webster County, NE, York County, NE

The radar

The Goodland radar (KGLD), 152 km from the middle of the area, began a volume at 01:52 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

Dodge City, (KDDC), launched 00:00Z, 1.8 hours before the alert went out and 178 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, Dodge City, at 00:00Z on 2004-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2977 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, Dodge City, at 00:00Z on 2004-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 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
2977 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1588 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.4
Supercell composite
5.1

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 5, 10:45 PM MDTSevere Thunderstorm WatchSPCBaca4 hr
Jul 6, 12:16 AM MDTMesoscale DiscussionSPCBaca119 min
Jul 6, 2:31 PM MDTMesoscale DiscussionSPCLas Animas2 hr
Jul 5, 6:10 PM MDTMesoscale DiscussionSPCClay, Cloud, Dickinson, Geary, Graham, Jewell and 15 more65 min
Jul 5, 6:40 PM MDTSevere Thunderstorm WatchSPCCloud, Decatur, Graham, Jewell, Lincoln, Mitchell and 9 more6 hr
Jul 5, 6:54 PM MDTMesoscale DiscussionSPCAllen, Barber, Bourbon, Butler, Chautauqua, Cherokee and 17 more96 min
Jul 5, 9:00 PM MDTSevere Thunderstorm WatchSPCAtchison, Barber, Brown, Butler, Chase, Chautauqua and 39 more6 hr
Jul 5, 10:31 PM MDTMesoscale DiscussionSPCBarber, Barton, Clark, Clay, Cloud, Comanche and 28 more59 min
Jul 6, 1:45 AM MDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Coffey, Douglas and 9 more2 hr
Jul 6, 2:10 AM MDTSevere Thunderstorm WatchSPCAllen, Anderson, Atchison, Bourbon, Butler, Chase and 27 more5 hr
Jul 6, 4:18 AM MDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Butler, Chase and 26 more117 min

Nearby

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