Alert archive / Colorado / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 434

May 26, 200311 counties in Colorado

The Storm Prediction Center issued this severe thunderstorm watch at May 26, 2003, 4:40 PM MDT for 11 counties in Colorado. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 26, 2003, 4:40 PM MDT (22:40 UTC)
Expired
May 26, 2003, 10:00 PM MDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Adams County, CO, Arapahoe County, CO, Crowley County, CO, El Paso County, CO, Elbert County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Pueblo County, CO, Washington County, CO, Weld County, CO

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 26, 4:47 PM MDTSevere Thunderstorm WarningPUBEl Paso28 min
May 26, 4:54 PM MDTSevere Thunderstorm WarningBOUWeld66 min
May 26, 5:12 PM MDTSevere Thunderstorm WarningBOULincoln63 min
May 26, 5:34 PM MDTSevere Thunderstorm WarningBOUElbert56 min
May 26, 6:18 PM MDTTornado WarningBOUElbert, Lincoln42 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, 10.7 hours before the alert went out and 106 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 2003-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 48 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 2003-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
48 J/kg
Mixed-layer CIN
-297 J/kg
Mixed-layer LCL
1482 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
20 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
May 26, 3:47 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Crowley, Elbert, El Paso and 6 more88 min

Nearby

Severe Thunderstorm Watches in Colorado, 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.