Alert archive / Colorado / Winter Storm Watches in 2007

Winter Storm Watch 7, NWS Pueblo, CO

May 4, 20074 counties in Colorado

NWS Pueblo, CO issued this winter storm watch at May 4, 2007, 4:49 AM MDT for 4 counties in Colorado. It took effect at May 5, 2007, 6:00 AM MDT. It was in force for .

The area

The counties it named.

The facts

Issued
May 4, 2007, 4:49 AM MDT (10:49 UTC)
In effect from
May 5, 2007, 6:00 AM MDT
Expired
May 4, 2007, 2:58 PM MDT
In force
Issued by
NWS Pueblo, CO

Counties Conejos County, CO, Mineral County, CO, Rio Grande County, CO, Saguache County, CO

The radar

The Pueblo radar (KPUX), 218 km from the middle of the area, began a volume at 10:49 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 00:00Z, 10.8 hours before the alert went out and 374 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 00:00Z on 2007-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 394 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 00:00Z on 2007-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 209 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
394 J/kg
Mixed-layer CIN
-118 J/kg
Mixed-layer LCL
2658 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
209 m²/s²
0-3 km storm-relative helicity
338 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.2

Open this sounding in Storm Lab

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 4, 2:58 PM MDTSnow and Blowing Snow AdvisoryPUBChaffee, Lake, Mineral, Rio Grande, Saguache38 hr
May 4, 2:58 PM MDTWinter Storm WarningPUBConejos, Mineral, Rio Grande30 hr

Nearby

Winter Storm Watches in Colorado, 2007Every winter storm watch in 2007

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.