Alert archive / Colorado / Freeze Warnings in 2019

Freeze Warning 7, NWS Pueblo, CO

October 9, 2019El Paso County, Colorado

NWS Pueblo, CO issued this freeze warning at Oct 9, 2019, 4:18 AM MDT for El Paso County, Colorado. It took effect at Oct 10, 2019, 1:00 AM MDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 9, 2019, 4:18 AM MDT (10:18 UTC)
In effect from: Oct 10, 2019, 1:00 AM MDT
Expired: Oct 10, 2019, 9:00 AM MDT
In force: 8 hr
Issued by: NWS Pueblo, CO

County El Paso County, CO

The radar

The Pueblo radar (KPUX), 51 km from the middle of the area, began a volume at 10:22 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, 10.3 hours before the alert went out and 160 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: 4546 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 7 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 freeze warning 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 freeze warning went out at Oct 8, 3:01 PM MDT, 13 hours 17 minutes earlier.

Area forecast discussion, Oct 8, 3:01 PM MDT, 13 hours 17 minutes before

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Hazardous weather outlook, Oct 8, 5:09 AM MDT, 23 hours 9 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
Oct 9, 4:18 AM MDT	Freeze Watch	PUB	Baca, Bent, Crowley, Custer, El Paso, Fremont and 7 more	11 hr
Oct 9, 3:14 PM MDT	Freeze Warning	PUB	Baca, Bent, Crowley, Custer, El Paso, Fremont and 7 more	42 hr
Oct 9, 3:26 PM MDT	Winter Weather Advisory	PUB	El Paso, Fremont, Teller	24 hr

Nearby

Freeze Warnings in Colorado, 2019 Every freeze warning in 2019

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.