Alert archive / Colorado / High Wind Watches in 2008

High Wind Watch 1, NWS Denver/Boulder, CO

February 5, 20087 counties in Colorado

NWS Denver/Boulder, CO issued this high wind watch at Feb 5, 2008, 2:56 PM MST for 7 counties in Colorado. It took effect at Feb 7, 2008, 3:00 AM MST. It was in force for .

The area

The counties it named.

The facts

Issued: Feb 5, 2008, 2:56 PM MST (21:56 UTC)
In effect from: Feb 7, 2008, 3:00 AM MST
Expired: Feb 6, 2008, 3:20 PM MST
In force
Issued by: NWS Denver/Boulder, CO

Counties Boulder County, CO, Clear Creek County, CO, Douglas County, CO, Gilpin County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO

The radar

The Denver radar (KFTG), 74 km from the middle of the area, began a volume at 21:53 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.9 hours before the alert went out and 435 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: 542 m above ground
0-6 km bulk shear: 75 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 274 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 high wind 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 high wind watch went out at Feb 5, 2:50 PM MST, 6 minutes earlier.

Area forecast discussion, Feb 5, 2:50 PM MST, 6 minutes before

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Hazardous weather outlook, Feb 5, 11:05 AM MST, 3 hours 51 minutes before

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In the hours before

Local storm report, Feb 5, 9:06 AM MST, 5 hours 50 minutes before

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Local storm report, Feb 5, 11:12 AM MST, 3 hours 44 minutes before

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Local storm report, Feb 5, 12:36 PM MST, 2 hours 20 minutes before

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Nearby

High Wind Watches in Colorado, 2008 Every high wind watch in 2008

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.