Alert archive / Colorado / Frost Advisories in 2024

Frost Advisory 3, NWS Pueblo, CO

May 21, 2024El Paso County, Colorado

NWS Pueblo, CO issued this frost advisory at May 21, 2024, 6:27 PM MDT for El Paso County, Colorado. It took effect at May 22, 2024, 3:00 AM MDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: May 21, 2024, 6:27 PM MDT (00:27 UTC)
In effect from: May 22, 2024, 3:00 AM MDT
Expired: May 22, 2024, 8:00 AM MDT
In force: 5 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 00:31 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

Dodge City, (KDDC), launched 00:00Z, 0.5 hours before the alert went out and 421 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: 1962 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 145 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 frost advisory 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 frost advisory went out at May 21, 5:34 PM MDT, 53 minutes earlier.

Area forecast discussion, May 21, 5:34 PM MDT, 53 minutes before

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Hazardous weather outlook, May 21, 11:36 AM MDT, 6 hours 51 minutes before

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In the hours before

Special weather statement, May 21, 2:27 PM MDT, 4 hours before

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Special weather statement, May 21, 2:38 PM MDT, 3 hours 49 minutes before

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Special weather statement, May 21, 3:01 PM MDT, 3 hours 26 minutes before

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Special weather statement, May 21, 3:12 PM MDT, 3 hours 15 minutes before

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Special weather statement, May 21, 3:23 PM MDT, 3 hours 4 minutes before

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Special weather statement, May 21, 3:30 PM MDT, 2 hours 57 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
May 22, 3:16 AM MDT	Fire Weather Watch	PUB	Costilla, Custer, Huerfano, Las Animas, Pueblo, Saguache	12 hr
May 22, 2:57 PM MDT	Fire Weather Watch	PUB	Costilla, Custer, Huerfano, Las Animas, Pueblo, Saguache	24 hr
May 22, 2:57 PM MDT	Red Flag Warning	PUB	Costilla, Custer, Huerfano, Las Animas, Pueblo, Saguache	30 hr

Nearby

Frost Advisories in Colorado, 2024 Every frost advisory in 2024

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.