Alert archive / Colorado / Wind Chill Advisories in 2014

Wind Chill Advisory 5, NWS Denver/Boulder, CO

March 1, 20146 counties in Colorado

NWS Denver/Boulder, CO issued this wind chill advisory at Mar 1, 2014, 8:01 PM MST for 6 counties in Colorado. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued: Mar 1, 2014, 8:01 PM MST (03:01 UTC)
Expired: Mar 2, 2014, 9:50 AM MST
In force: 14 hr
Issued by: NWS Denver/Boulder, CO

Counties Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 139 km from the middle of the area, began a volume at 03:06 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 00:00Z, 3.0 hours before the alert went out and 230 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: 812 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 417 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 wind chill advisory 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 wind chill advisory went out at Mar 1, 3:06 PM MST, 4 hours 55 minutes earlier.

Area forecast discussion, Mar 1, 3:06 PM MST, 4 hours 55 minutes before

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Hazardous weather outlook, Mar 1, 10:53 AM MST, 9 hours 8 minutes before

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In the hours before

Local storm report, Mar 1, 2:06 PM MST, 5 hours 55 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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Nearby

Wind Chill Advisories in Colorado, 2014 Every wind chill advisory in 2014

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.