Alert archive / Colorado / Tornado Watches in 2004

Tornado Watch 391

June 3, 200415 counties in Colorado; Cheyenne County, Kimball County, Nebraska; Laramie County, Wyoming

The Storm Prediction Center issued this tornado watch at Jun 3, 2004, 2:05 PM MDT for 15 counties in Colorado; Cheyenne County, Kimball County, Nebraska; Laramie County, Wyoming. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 3, 2004, 2:05 PM MDT (20:05 UTC)
Expired
Jun 3, 2004, 9:00 PM MDT
In force
7 hr
Issued by
the Storm Prediction Center

Counties Adams County, CO, Arapahoe County, CO, Bent County, CO, Crowley County, CO, El Paso County, CO, Elbert County, CO, Kiowa County, CO, Las Animas County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Otero County, CO, Pueblo County, CO, Washington County, CO, Weld County, CO, Cheyenne County, NE, Kimball County, NE, Laramie County, WY

The radar

The Denver radar (KFTG), 94 km from the middle of the area, began a volume at 20:05 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

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

IssuedProductOfficeCountiesLasted
Jun 3, 4:21 PM MDTSevere Thunderstorm WarningPUBPueblo54 min
Jun 3, 4:58 PM MDTSevere Thunderstorm WarningBOULogan62 min
Jun 3, 5:01 PM MDTSevere Thunderstorm WarningPUBCrowley, Otero59 min
Jun 3, 5:20 PM MDTTornado WarningCYSCheyenne25 min
Jun 3, 5:52 PM MDTSevere Thunderstorm WarningPUBPueblo53 min
Jun 3, 6:26 PM MDTSevere Thunderstorm WarningBOUWashington34 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, 8.1 hours before the alert went out and 37 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 2004-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 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 2004-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 square meters per square second.193958Sfc1 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
16 J/kg
Mixed-layer CIN
-546 J/kg
Mixed-layer LCL
1671 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
131 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 3, 1:48 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Broomfield, Cheyenne, Crowley and 21 more117 min
Jun 3, 5:05 PM MDTMesoscale DiscussionSPCBent, Cheyenne, Crowley, Elbert, El Paso, Kiowa and 11 more55 min
Jun 3, 3:29 PM MDTMesoscale DiscussionSPCBox Butte, Cherry, Dawes, Hooker, Sheridan, Sioux91 min
Jun 3, 3:50 PM MDTSevere Thunderstorm WatchSPCArthur, Banner, Box Butte, Cherry, Dawes, Garden and 7 more5 hr

Nearby

Tornado Watches in Colorado, 2004Tornado Watches in Nebraska, 2004Tornado Watches in Wyoming, 2004Every tornado watch 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.