Alert archive / Colorado / Winter Storm Watches in 2007

Winter Storm Watch 5, NWS Pueblo, CO

April 10, 200715 counties in Colorado

NWS Pueblo, CO issued this winter storm watch at Apr 10, 2007, 3:21 PM MDT for 15 counties in Colorado. It took effect at Apr 11, 2007, 3:34 PM MDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued: Apr 10, 2007, 3:21 PM MDT (21:21 UTC)
In effect from: Apr 11, 2007, 3:34 PM MDT
Expired: Apr 12, 2007, 3:13 PM MDT
In force: 24 hr
Issued by: NWS Pueblo, CO

Counties Alamosa County, CO, Chaffee County, CO, Conejos County, CO, Costilla County, CO, Custer County, CO, El Paso County, CO, Fremont County, CO, Huerfano County, CO, Lake County, CO, Las Animas County, CO, Mineral County, CO, Pueblo County, CO, Rio Grande County, CO, Saguache County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 129 km from the middle of the area, began a volume at 21:21 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

Grand Junction, CO (KGJT), launched 12:00Z, 9.4 hours before the alert went out and 281 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1801 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: -111 m²/s²
0-3 km storm-relative helicity: -40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pueblo, CO wrote its last area forecast discussion before this winter storm watch went out at Apr 10, 2:47 PM MDT, 34 minutes earlier.

Area forecast discussion, Apr 10, 2:47 PM MDT, 34 minutes before

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Hazardous weather outlook, Apr 10, 11:59 AM MDT, 3 hours 22 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 10, 4:27 AM MDT	Snow and Blowing Snow Advisory	PUB	Chaffee, Lake, Saguache	8 hr

Nearby

Winter Storm Watches in Colorado, 2007 Every 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.