Alert archive / Nebraska / Winter Storm Watches in 2006

Winter Storm Watch 4, NWS North Platte, NE

April 23, 2006Cherry County, Sheridan County, Nebraska

NWS North Platte, NE issued this winter storm watch at Apr 23, 2006, 8:59 PM MDT for Cherry County, Sheridan County, Nebraska. It took effect at Apr 24, 2006, 3:00 PM MDT. It was in force for .

The area

The counties it named.

The facts

Issued: Apr 23, 2006, 8:59 PM MDT (02:59 UTC)
In effect from: Apr 24, 2006, 3:00 PM MDT
Expired: Apr 24, 2006, 3:00 AM MDT
In force
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 03:02 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 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: 307 J/kg
Mixed-layer CIN: -215 J/kg
Mixed-layer LCL: 1787 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 234 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this winter storm watch 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 storm watch went out at Apr 23, 2:01 PM MDT, 6 hours 58 minutes earlier.

Area forecast discussion, Apr 23, 2:01 PM MDT, 6 hours 58 minutes before

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Hazardous weather outlook, Apr 23, 2:27 PM MDT, 6 hours 32 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 23, 10:49 PM MDT	Severe Thunderstorm Warning	LBF	Lincoln	56 min
Apr 23, 11:05 PM MDT	Severe Thunderstorm Warning	LBF	Chase, Perkins	50 min
Apr 23, 11:41 PM MDT	Severe Thunderstorm Warning	LBF	Lincoln	34 min
Apr 24, 12:04 AM MDT	Severe Thunderstorm Warning	LBF	Custer	56 min
Apr 24, 3:00 AM MDT	Snow Advisory	LBF	Cherry, Garden, Grant, Sheridan	11 hr
Apr 24, 2:09 PM MDT	Snow and Blowing Snow Advisory	LBF	Cherry, Garden, Grant, Sheridan	7 hr

Nearby

Winter Storm Watches in Nebraska, 2006 Every winter storm watch in 2006

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.