Alert archive / Colorado / Winter Storm Warnings in 2011

Winter Storm Warning 16, NWS Grand Junction, CO

April 22, 201118 counties in Colorado

NWS Grand Junction, CO issued this winter storm warning at Apr 22, 2011, 3:00 PM MDT for 18 counties in Colorado. It took effect at Apr 23, 2011, 6:00 AM MDT. It was in force for 48 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: Apr 22, 2011, 3:00 PM MDT (21:00 UTC)
In effect from: Apr 23, 2011, 6:00 AM MDT
Expired: Apr 25, 2011, 6:00 AM MDT
In force: 48 hr
Issued by: NWS Grand Junction, CO

Counties Archuleta County, CO, Delta County, CO, Dolores County, CO, Eagle County, CO, Garfield County, CO, Gunnison County, CO, Hinsdale County, CO, La Plata County, CO, Mesa County, CO, Moffat County, CO, Montezuma County, CO, Montrose County, CO, Ouray County, CO, Pitkin County, CO, Rio Blanco County, CO, Routt County, CO, San Juan County, CO, San Miguel County, CO

The radar

The Grand Junction radar (KGJX), 60 km from the middle of the area, began a volume at 21:02 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 Apr 22, 2:56 PM MDT, 4 minutes earlier.

Area forecast discussion, Apr 22, 2:56 PM MDT, 4 minutes before

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Hazardous weather outlook, Apr 22, 5:45 AM MDT, 9 hours 15 minutes before

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In the hours before

Local storm report, Apr 22, 1:47 PM MDT, 1 hour 13 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 4:30 AM MDT	Winter Storm Watch	GJT	Archuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 7 more	11 hr
Apr 22, 9:36 AM MDT	Areal Flood Advisory	GJT	Routt	48 hr

Nearby

Winter Storm Warnings in Colorado, 2011 Every winter storm warning in 2011

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.