Alert archive / Colorado / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 16, NWS Denver/Boulder, CO

May 27, 2022Weld County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 27, 2022, 4:10 PM MDT for Weld County, Colorado. It was in force for 50 min. 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 27, 2022, 4:10 PM MDT (22:10 UTC)
Expired: May 27, 2022, 5:00 PM MDT
In force: 50 min
Issued by: NWS Denver/Boulder, CO
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Weld County, CO

The radar

The Cheyenne radar (KCYS), 75 km from the middle of the area, began a volume at 22:11 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

Denver, CO (KDNR), launched 12:00Z, 10.2 hours before the alert went out and 125 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: 3313 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 60 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 severe thunderstorm 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 severe thunderstorm warning went out at May 27, 2:58 PM MDT, 1 hour 12 minutes earlier.

Area forecast discussion, May 27, 2:58 PM MDT, 1 hour 12 minutes before

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Hazardous weather outlook, May 27, 10:54 AM MDT, 5 hours 16 minutes before

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1054 AM MDT Fri May 27 2022

COZ030>051-281700-
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-
1054 AM MDT Fri May 27 2022

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

.DAY ONE...Today and Tonight

Isolated showers and thunderstorms are possible this afternoon
mainly over the eastern plains. Little rain is expected, but
localized brief wind gusts to 50 mph are possible with some of the
showers.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Warm and dry conditions are forecast for Saturday with highs near
90 in the plains. Breezy conditions will also lead to elevated
fire weather conditions Saturday afternoon. Scattered showers and
thunderstorms will develop Sunday, especially over the high
country. Cooler weather is expected early next week with rain
chances continuing.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

In the hours before

Special weather statement, May 27, 2:29 PM MDT, 1 hour 41 minutes before

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Special weather statement, May 27, 3:18 PM MDT, 52 minutes before

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Local storm report, May 27, 3:51 PM MDT, 19 minutes before

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Special weather statement, May 27, 4:06 PM MDT, 4 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 1:50 PM MDT	Fire Weather Watch	BOU	Arapahoe, Douglas, Elbert, Lincoln	14 hr
May 27, 2:29 PM MDT	Special Weather Statement	BOU	Adams, Arapahoe, Denver	61 min
May 27, 3:18 PM MDT	Special Weather Statement	BOU	Weld	57 min
May 27, 4:06 PM MDT	Special Weather Statement	BOU	Washington	54 min
May 27, 5:40 PM MDT	Special Weather Statement	BOU	Logan, Phillips, Sedgwick	65 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2022 Every severe thunderstorm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.