Alert archive / Colorado / Winter Storm Watches in 2015

Winter Storm Watch 27, NWS Pueblo, CO

December 25, 2015Costilla County, Huerfano County, Las Animas County, Colorado

NWS Pueblo, CO issued this winter storm watch at Dec 25, 2015, 3:04 PM MST for Costilla County, Huerfano County, Las Animas County, Colorado. It took effect at Dec 26, 2015, 2:00 PM MST. It was in force for .

The area

The counties it named.

The facts

Issued: Dec 25, 2015, 3:04 PM MST (22:04 UTC)
In effect from: Dec 26, 2015, 2:00 PM MST
Expired: Dec 26, 2015, 3:52 AM MST
In force
Issued by: NWS Pueblo, CO

Counties Costilla County, CO, Huerfano County, CO, Las Animas County, CO

The radar

The Pueblo radar (KPUX), 127 km from the middle of the area, began a volume at 22:03 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.1 hours before the alert went out and 370 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: 1643 m above ground
0-6 km bulk shear: 86 kt
0-1 km storm-relative helicity: 317 m²/s²
0-3 km storm-relative helicity: 269 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 Dec 25, 1:21 PM MST, 1 hour 43 minutes earlier.

Area forecast discussion, Dec 25, 1:21 PM MST, 1 hour 43 minutes before

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Hazardous weather outlook, Dec 25, 6:39 AM MST, 8 hours 25 minutes before

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In the hours before

Local storm report, Dec 25, 1:07 PM MST, 1 hour 57 minutes before

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Local storm report, Dec 25, 1:08 PM MST, 1 hour 56 minutes before

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Local storm report, Dec 25, 1:09 PM MST, 1 hour 55 minutes before

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Local storm report, Dec 25, 1:44 PM MST, 1 hour 20 minutes before

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Local storm report, Dec 25, 2:34 PM MST, 30 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
Dec 25, 7:41 AM MST	Blizzard Warning	PUB	Conejos, Mineral, Rio Grande	15 hr
Dec 25, 1:21 PM MST	High Wind Warning	PUB	Huerfano, Las Animas	4 hr
Dec 25, 3:04 PM MST	Blizzard Watch	PUB	Baca, Las Animas	13 hr

Nearby

Winter Storm Watches in Colorado, 2015 Every winter storm watch in 2015

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.