Alert archive / Colorado / Fire Weather Watches in 2022

Fire Weather Watch 21, NWS Denver/Boulder, CO

May 17, 202219 counties in Colorado

NWS Denver/Boulder, CO issued this fire weather watch at May 17, 2022, 3:12 PM MDT for 19 counties in Colorado. It took effect at May 19, 2022, 11:00 AM MDT. It was in force for .

The area

The counties it named.

The facts

Issued: May 17, 2022, 3:12 PM MDT (21:12 UTC)
In effect from: May 19, 2022, 11:00 AM MDT
Expired: May 18, 2022, 2:16 PM MDT
In force
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, Jefferson County, CO, Larimer County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Park County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 22 km from the middle of the area, began a volume at 21:11 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, 9.2 hours before the alert went out and 99 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3118 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 70 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 fire weather watch 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 fire weather watch went out at May 17, 9:48 AM MDT, 5 hours 24 minutes earlier.

Area forecast discussion, May 17, 9:48 AM MDT, 5 hours 24 minutes before

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Hazardous weather outlook, May 17, 10:13 AM MDT, 4 hours 59 minutes before

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In the hours before

Special weather statement, May 17, 2:23 PM MDT, 49 minutes before

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Special weather statement, May 17, 3:06 PM MDT, 6 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 16, 6:31 PM MDT	Special Weather Statement	BOU	Sedgwick	44 min
May 17, 2:23 PM MDT	Special Weather Statement	BOU	Weld	52 min
May 17, 3:06 PM MDT	Special Weather Statement	BOU	Adams	39 min
May 17, 3:48 PM MDT	Special Weather Statement	BOU	Washington	42 min
May 17, 4:40 PM MDT	Special Weather Statement	BOU	Lincoln	50 min

Nearby

Fire Weather Watches in Colorado, 2022 Every fire weather watch 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.