Alert archive / Nebraska / Snow Advisories in 2006

Snow Advisory 2, NWS Omaha, NE

March 12, 200612 counties in Nebraska

NWS Omaha, NE issued this snow advisory at Mar 12, 2006, 3:54 AM CST for 12 counties in Nebraska. It took effect at Mar 12, 2006, 12:00 PM CST. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued: Mar 12, 2006, 3:54 AM CST (09:54 UTC)
In effect from: Mar 12, 2006, 12:00 PM CST
Expired: Mar 13, 2006, 3:53 AM CST
In force: 16 hr
Issued by: NWS Omaha, NE

Counties Antelope County, NE, Boone County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Knox County, NE, Madison County, NE, Pierce County, NE, Platte County, NE, Stanton County, NE, Thurston County, NE, Wayne County, NE

The radar

The Omaha radar (KOAX), 118 km from the middle of the area, began a volume at 09:58 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

Aberdeen, SD (KABR), launched 00:00Z, 9.9 hours before the alert went out and 327 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: 1783 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: -48 m²/s²
0-3 km storm-relative helicity: -50 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 snow advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Omaha, NE wrote its last area forecast discussion before this snow advisory went out at Mar 11, 10:01 PM CST, 5 hours 53 minutes earlier.

Area forecast discussion, Mar 11, 10:01 PM CST, 5 hours 53 minutes before

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Hazardous weather outlook, Mar 11, 10:18 PM CST, 5 hours 36 minutes before

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<body>
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 11, 10:07 PM CST	Winter Storm Watch	OAX	Antelope, Cedar, Knox, Pierce, Wayne	6 hr
Mar 12, 7:39 AM CST	Severe Thunderstorm Warning	OAX	Gage, Jefferson	36 min
Mar 12, 7:55 AM CST	Severe Thunderstorm Warning	OAX	Lancaster, Saline, Seward	35 min
Mar 12, 8:07 AM CST	Severe Thunderstorm Warning	OAX	Nemaha	23 min
Mar 12, 8:28 AM CST	Severe Thunderstorm Warning	OAX	Gage, Lancaster, Saline	32 min
Mar 12, 8:49 AM CST	Severe Thunderstorm Warning	OAX	Seward	26 min
Mar 12, 8:58 AM CST	Severe Thunderstorm Warning	OAX	Cass	32 min
Mar 12, 9:08 AM CST	Severe Thunderstorm Warning	OAX	Sarpy	37 min
Mar 12, 9:29 AM CST	Severe Thunderstorm Warning	OAX	Cass	31 min
Mar 12, 9:40 AM CST	Severe Thunderstorm Warning	OAX	Lancaster, Saunders	35 min
Mar 12, 9:43 AM CST	Severe Thunderstorm Warning	OAX	Nemaha	20 min
Mar 12, 10:07 AM CST	Severe Thunderstorm Warning	OAX	Fremont	23 min

Nearby

Snow Advisories in Nebraska, 2006 Every snow advisory 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.