Alert archive / Colorado / Winter Storm Warnings in 2018

Winter Storm Warning 7, NWS Grand Junction, CO

February 21, 2018Archuleta County, Colorado

NWS Grand Junction, CO issued this winter storm warning at Feb 21, 2018, 11:54 AM MST for Archuleta County, Colorado. It took effect at Feb 21, 2018, 8:00 PM MST. It was in force for 16 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
Feb 21, 2018, 11:54 AM MST (18:54 UTC)
In effect from
Feb 21, 2018, 8:00 PM MST
Expired
Feb 22, 2018, 11:44 AM MST
In force
16 hr
Issued by
NWS Grand Junction, CO

County Archuleta County, CO

The radar

The Albuquerque radar (KABX), 228 km from the middle of the area, began a volume at 18:58 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.

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Junction, CO wrote its last area forecast discussion before this winter storm warning went out at Feb 20, 4:44 PM MST, 19 hours 10 minutes earlier.

Area forecast discussion, Feb 20, 4:44 PM MST, 19 hours 10 minutes before
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Nearby

Winter Storm Warnings in Colorado, 2018Every winter storm warning in 2018

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.