Alert archive / Colorado / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 428

June 15, 200212 counties in Colorado

The Storm Prediction Center issued this severe thunderstorm watch at Jun 15, 2002, 12:00 PM MDT for 12 counties in Colorado. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 15, 2002, 12:00 PM MDT (18:00 UTC)
Expired
Jun 15, 2002, 5:00 PM MDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Bent County, CO, Crowley County, CO, Douglas County, CO, El Paso County, CO, Elbert County, CO, Huerfano County, CO, Kiowa County, CO, Las Animas County, CO, Lincoln County, CO, Otero County, CO, Pueblo County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 46 km from the middle of the area, began a volume at 18:01 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

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

IssuedProductOfficeCountiesLasted
Jun 15, 3:13 PM MDTSevere Thunderstorm WarningPUBBent, Otero2 hr
Jun 15, 3:21 PM MDTSevere Thunderstorm WarningPUBKiowa114 min
Jun 15, 4:18 PM MDTSevere Thunderstorm WarningBOUArapahoe, Elbert57 min

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 6.0 hours before the alert went out and 222 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 2002-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 384 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 2002-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.1939587897Sfc1 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
384 J/kg
Mixed-layer CIN
-367 J/kg
Mixed-layer LCL
2182 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 15, 11:45 AM MDTSevere Thunderstorm WatchSPCBaca, Prowers, Yuma5 hr
Jun 15, 3:00 PM MDTSevere Thunderstorm WatchSPCBaca, Prowers6 hr

Nearby

Severe Thunderstorm Watches in Colorado, 2002Every severe thunderstorm watch in 2002

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.