Alert archive / Nebraska / Winter Weather Advisories in 2014

Winter Weather Advisory 13, NWS North Platte, NE

April 27, 2014Cherry County, Sheridan County, Nebraska

NWS North Platte, NE issued this winter weather advisory at Apr 27, 2014, 7:29 PM MDT for Cherry County, Sheridan County, Nebraska. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Apr 27, 2014, 7:29 PM MDT (01:29 UTC)
Expired: Apr 28, 2014, 6:14 AM MDT
In force: 11 hr
Issued by: NWS North Platte, NE

Counties Cherry County, NE, Sheridan County, NE

The radar

The North Platte radar (KLNX), 116 km from the middle of the area, began a volume at 01:32 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, 1.5 hours before the alert went out and 183 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: 1111 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 11 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 winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS North Platte, NE wrote its last area forecast discussion before this winter weather advisory went out at Apr 27, 5:45 PM MDT, 1 hour 44 minutes earlier.

Area forecast discussion, Apr 27, 5:45 PM MDT, 1 hour 44 minutes before

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Hazardous weather outlook, Apr 27, 6:14 PM MDT, 1 hour 15 minutes before

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In the hours before

Local storm report, Apr 27, 5:12 PM MDT, 2 hours 17 minutes before

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Local storm report, Apr 27, 5:30 PM MDT, 1 hour 59 minutes before

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Special weather statement, Apr 27, 5:47 PM MDT, 1 hour 42 minutes before

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Local storm report, Apr 27, 5:56 PM MDT, 1 hour 33 minutes before

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Special weather statement, Apr 27, 6:18 PM MDT, 1 hour 11 minutes before

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Local storm report, Apr 27, 6:37 PM MDT, 52 minutes before

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The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 27, 9:15 PM MDT	High Wind Warning	LBF	Arthur, Chase, Deuel, Frontier, Garden, Grant and 8 more	23 hr
Apr 28, 2:27 PM MDT	Wind Advisory	LBF	Arthur, Boyd, Brown, Chase, Cherry, Deuel and 16 more	29 hr
Apr 28, 2:41 PM MDT	Winter Weather Advisory	LBF	Brown, Cherry, Keya Paha, Sheridan	18 hr

Nearby

Winter Weather Advisories in Nebraska, 2014 Every winter weather 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.