Alert archive / Kansas / Mesoscale Discussions in 2003

Mesoscale Discussion 859

May 8, 2003Phillips County, Sedgwick County, Yuma County, Colorado; 12 counties in Kansas; 9 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at May 8, 2003, 2:35 PM MDT for Phillips County, Sedgwick County, Yuma County, Colorado; 12 counties in Kansas; 9 counties in Nebraska. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued
May 8, 2003, 2:35 PM MDT (20:35 UTC)
Expired
May 8, 2003, 4:30 PM MDT
In force
115 min
Issued by
the Storm Prediction Center
All 24 counties

Phillips County, CO, Sedgwick County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Gove County, KS, Graham County, KS, Logan County, KS, Norton County, KS, Rawlins County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Chase County, NE, Dundy County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Hayes County, NE, Hitchcock County, NE, Perkins County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 43 km from the middle of the area, began a volume at 20:36 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, 8.6 hours before the alert went out and 162 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 2003-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 2003-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.1939587897117Sfc1 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
13 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
830 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
98 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
May 7, 6:01 PM MDTMesoscale DiscussionSPCCheyenne, Kiowa, Kit Carson, Lincoln, Phillips, Sedgwick and 2 more89 min
May 8, 12:10 PM MDTMesoscale DiscussionSPCKit Carson, Phillips, Washington, Yuma2 hr
May 8, 12:30 PM MDTTornado WatchSPCKit Carson, Lincoln, Logan, Morgan, Phillips, Sedgwick and 2 more6 hr
May 8, 12:18 AM MDTMesoscale DiscussionSPCAllen, Barber, Barton, Bourbon, Butler, Chautauqua and 21 more3 hr
May 8, 12:55 AM MDTSevere Thunderstorm WatchSPCAllen, Anderson, Barber, Barton, Bourbon, Butler and 44 more5 hr
May 8, 2:51 AM MDTMesoscale DiscussionSPCAtchison, Barber, Barton, Bourbon, Brown, Butler and 50 more3 hr
May 8, 3:15 AM MDTSevere Thunderstorm WatchSPCAtchison, Brown, Clay, Cloud, Doniphan, Douglas and 19 more7 hr
May 8, 6:50 AM MDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Jackson, Jefferson, Leavenworth and 6 more85 min
May 8, 6:55 AM MDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Jackson, Jefferson, Leavenworth and 6 more95 min
May 8, 11:49 AM MDTMesoscale DiscussionSPCHarper, Sumner3 hr
May 8, 12:07 PM MDTMesoscale DiscussionSPCBarton, Clay, Cloud, Dickinson, Ellis, Ellsworth and 16 more2 hr
May 8, 12:35 PM MDTTornado WatchSPCButler, Chautauqua, Cowley, Elk, Greenwood, Harper and 5 more7 hr
May 8, 12:50 PM MDTTornado WatchSPCAnderson, Atchison, Brown, Chase, Clay, Cloud and 31 more7 hr
May 8, 2:26 PM MDTMesoscale DiscussionSPCBrown, Clay, Cloud, Dickinson, Ellsworth, Geary and 22 more2 hr
May 8, 2:34 PM MDTMesoscale DiscussionSPCButler, Chase, Chautauqua, Coffey, Cowley, Elk and 10 more116 min
May 8, 3:16 PM MDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Cherokee, Crawford and 11 more29 min
May 8, 3:40 PM MDTTornado WatchSPCAllen, Anderson, Atchison, Bourbon, Cherokee, Crawford and 13 more6 hr
May 8, 5:38 PM MDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Brown, Butler and 46 more2 hr
May 8, 3:18 PM MDTMesoscale DiscussionSPCAntelope, Blaine, Boone, Brown, Burt, Butler and 42 more57 min
May 8, 4:30 PM MDTSevere Thunderstorm WatchSPCBurt, Butler, Cass, Colfax, Cuming, Dodge and 13 more6 hr

Nearby

Mesoscale Discussions in Kansas, 2003Mesoscale Discussions in Nebraska, 2003Mesoscale Discussions in Colorado, 2003Every mesoscale discussion in 2003

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.