Alert archive / Colorado / Winter Storm Warnings in 2022

Winter Storm Warning 7, NWS Denver/Boulder, CO

May 19, 202216 counties in Colorado

NWS Denver/Boulder, CO issued this winter storm warning at May 19, 2022, 3:55 AM MDT for 16 counties in Colorado. It took effect at May 20, 2022, 12:00 AM MDT. It was in force for 35 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
May 19, 2022, 3:55 AM MDT (09:55 UTC)
In effect from
May 20, 2022, 12:00 AM MDT
Expired
May 21, 2022, 10:53 AM MDT
In force
35 hr
Issued by
NWS Denver/Boulder, CO

Counties Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Summit County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 59 km from the middle of the area, began a volume at 09:59 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 Denver/Boulder, CO wrote its last area forecast discussion before this winter storm warning went out at May 18, 3:07 PM MDT, 12 hours 48 minutes earlier.

Area forecast discussion, May 18, 3:07 PM MDT, 12 hours 48 minutes before
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Hazardous weather outlook, May 18, 10:09 AM MDT, 17 hours 46 minutes before
Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1009 AM MDT Wed May 18 2022

COZ030>051-191615-
Jackson County Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
Grand and Summit Counties Below 9000 Feet-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Central and Southeast Park County-
Larimer County Below 6000 Feet/Northwest Weld County-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
1009 AM MDT Wed May 18 2022

This hazardous weather outlook is for northeast and north central
Colorado.

.DAY ONE...Today and Tonight

Isolated thunderstorms are possible across the Palmer Divide and
nearby plains this afternoon. Storms should push eastward out of
our region by early evening. These storms are likely to produce
40-50 mph wind gusts and small hail. Afternoon high temperatures
will reach the upper 70s to lower 80s for the urban corridor and
eastern plains. Mountains and valleys will reach the upper 50s to
mid 60s.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Very dry, warm, and breezy conditions Thursday with critical fire
weather possible across South Park, the Front Range Foothills and
eastern plains during the afternoon Thursday.

Then, a late season snow storm will bring much colder temperatures
and rain and snow to the mountains by early Friday and extend
across the Urban Corridor and eastern plains by Friday afternoon
and continuing into Saturday. The lower elevations will most
likely see rain initially with a changeover to snow sometime
Saturday morning. In addition, temperatures will drop
significantly Saturday night and Sunday night with sub-freezing
lows possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 19, 3:55 AM MDTWinter Weather AdvisoryBOUAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 7 more55 hr

Nearby

Winter Storm Warnings in Colorado, 2022Every winter storm warning in 2022

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.