Alert archive / Colorado / Winter Storm Watches in 2020

Winter Storm Watch 12, NWS Pueblo, CO

November 5, 20204 counties in Colorado

NWS Pueblo, CO issued this winter storm watch at Nov 5, 2020, 2:47 PM MST for 4 counties in Colorado. It took effect at Nov 7, 2020, 5:00 AM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Nov 5, 2020, 2:47 PM MST (21:47 UTC)
In effect from
Nov 7, 2020, 5:00 AM MST
Expired
Nov 6, 2020, 2:50 PM MST
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 21:50 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 12:00Z, 9.8 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 12:00Z on 2020-11-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2020-11-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2746 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 5, 3:40 AM MSTFire Weather WatchPUBBaca, Bent, El Paso, Huerfano, Kiowa, Las Animas and 2 more11 hr
Nov 5, 2:47 PM MSTRed Flag WarningPUBBaca, Bent, El Paso, Huerfano, Kiowa, Las Animas and 2 more26 hr

Nearby

Winter Storm Watches in Colorado, 2020Every winter storm watch in 2020

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.