Alert archive / Nebraska / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 453

June 1, 200311 counties in Colorado; 9 counties in Kansas; 14 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jun 1, 2003, 12:30 PM MDT for 11 counties in Colorado; 9 counties in Kansas; 14 counties in Nebraska. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 1, 2003, 12:30 PM MDT (18:30 UTC)
Expired
Jun 1, 2003, 6:00 PM MDT
In force
6 hr
Issued by
the Storm Prediction Center
All 34 counties

Cheyenne County, CO, Crowley County, CO, Kiowa County, CO, Kit Carson County, CO, Lincoln County, CO, Logan County, CO, Phillips County, CO, Pueblo County, CO, Sedgwick County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Greeley County, KS, Logan County, KS, Rawlins County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Arthur County, NE, Chase County, NE, Custer County, NE, Dawson County, NE, Deuel County, NE, Dundy County, NE, Frontier County, NE, Hayes County, NE, Hitchcock County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, Perkins County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 68 km from the middle of the area, began a volume at 18:30 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.

Warnings issued inside it

10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 1, 12:47 PM MDTSevere Thunderstorm WarningGLDKit Carson58 min
Jun 1, 1:15 PM MDTSevere Thunderstorm WarningPUBCrowley, Otero60 min
Jun 1, 1:22 PM MDTSevere Thunderstorm WarningGLDCheyenne53 min
Jun 1, 2:02 PM MDTTornado WarningGLDCheyenne43 min
Jun 1, 2:07 PM MDTTornado WarningGLDSherman53 min
Jun 1, 2:22 PM MDTTornado WarningPUBKiowa53 min
Jun 1, 2:26 PM MDTTornado WarningGLDWallace64 min
Jun 1, 2:45 PM MDTTornado WarningGLDCheyenne45 min
Jun 1, 2:58 PM MDTTornado WarningGLDSherman62 min
Jun 1, 4:09 PM MDTSevere Thunderstorm WarningGLDGreeley51 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 6.5 hours before the alert went out and 77 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 2003-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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 2003-06-01The 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
17 J/kg
Mixed-layer CIN
-273 J/kg
Mixed-layer LCL
2241 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 1, 2:10 PM MDTSevere Thunderstorm WatchSPCBaca, Bent, Otero, Prowers6 hr
Jun 1, 2:34 PM MDTMesoscale DiscussionSPCBaca, Cheyenne, Kiowa, Kit Carson, Prowers116 min
Jun 1, 11:46 AM MDTMesoscale DiscussionSPCCheyenne, Greeley, Hamilton, Kearny, Logan, Rawlins and 5 more119 min
Jun 1, 4:03 PM MDTMesoscale DiscussionSPCBarber, Barton, Comanche, Decatur, Edwards, Ellis and 25 more57 min
Jun 1, 4:40 PM MDTSevere Thunderstorm WatchSPCBarber, Barton, Clark, Cloud, Comanche, Decatur and 45 more6 hr
Jun 1, 5:27 PM MDTMesoscale DiscussionSPCClark, Edwards, Finney, Ford, Grant, Gray and 9 more63 min

Nearby

Severe Thunderstorm Watches in Nebraska, 2003Severe Thunderstorm Watches in Colorado, 2003Severe Thunderstorm Watches in Kansas, 2003Every severe thunderstorm watch 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.