Alert archive / Nebraska / Wind Chill Advisories in 2015

Wind Chill Advisory 3, NWS Hastings, NE

February 1, 201521 counties in Nebraska

NWS Hastings, NE issued this wind chill advisory at Feb 1, 2015, 6:47 PM CST for 21 counties in Nebraska. It took effect at Feb 1, 2015, 8:00 PM CST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued: Feb 1, 2015, 6:47 PM CST (00:47 UTC)
In effect from: Feb 1, 2015, 8:00 PM CST
Expired: Feb 2, 2015, 10:00 AM CST
In force: 14 hr
Issued by: NWS Hastings, NE

All 21 counties

Adams County, NE, Buffalo County, NE, Clay County, NE, Dawson County, NE, Fillmore County, NE, Franklin County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Howard County, NE, Kearney County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Phelps County, NE, Polk County, NE, Sherman County, NE, Thayer County, NE, Valley County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 54 km from the middle of the area, began a volume at 00:51 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, 0.8 hours before the alert went out and 185 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: 1066 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 102 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 Hastings, NE wrote its last area forecast discussion before this wind chill advisory went out at Feb 1, 3:35 PM CST, 3 hours 12 minutes earlier.

Area forecast discussion, Feb 1, 3:35 PM CST, 3 hours 12 minutes before

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Hazardous weather outlook, Feb 1, 3:42 PM CST, 3 hours 5 minutes before

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In the hours before

Local storm report, Feb 1, 4:17 PM CST, 2 hours 30 minutes before

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Nearby

Wind Chill Advisories in Nebraska, 2015 Every wind chill advisory in 2015

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.