Alert archive / Colorado / Frost Advisories in 2025

Frost Advisory 4, NWS Pueblo, CO

September 23, 20255 counties in Colorado

NWS Pueblo, CO issued this frost advisory at Sep 23, 2025, 1:37 AM MDT for 5 counties in Colorado. It took effect at Sep 24, 2025, 3:00 AM MDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Sep 23, 2025, 1:37 AM MDT (07:37 UTC)
In effect from
Sep 24, 2025, 3:00 AM MDT
Expired
Sep 24, 2025, 8:00 AM MDT
In force
5 hr
Issued by
NWS Pueblo, CO

Counties Alamosa County, CO, Conejos County, CO, Costilla County, CO, Rio Grande County, CO, Saguache County, CO

The radar

The Pueblo radar (KPUX), 190 km from the middle of the area, began a volume at 07:37 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 office that day

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

IssuedProductOfficeCountiesLasted
Sep 23, 1:45 PM MDTSpecial Weather StatementPUBPueblo30 min
Sep 23, 2:14 PM MDTSpecial Weather StatementPUBPueblo31 min
Sep 23, 3:07 PM MDTSpecial Weather StatementPUBCrowley23 min
Sep 23, 3:30 PM MDTSpecial Weather StatementPUBHuerfano30 min

Nearby

Frost Advisories in Colorado, 2025Every frost advisory in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.