Alert archive / Nebraska / Wind Advisories in 2006

Wind Advisory 17, NWS Omaha, NE

September 27, 200619 counties in Nebraska

NWS Omaha, NE issued this wind advisory at Sep 27, 2006, 3:00 AM CDT for 19 counties in Nebraska. It took effect at Sep 27, 2006, 2:00 PM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Sep 27, 2006, 3:00 AM CDT (08:00 UTC)
In effect from: Sep 27, 2006, 2:00 PM CDT
Expired: Sep 27, 2006, 7:30 PM CDT
In force: 6 hr
Issued by: NWS Omaha, NE

Counties Antelope County, NE, Boone County, NE, Butler County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Dodge County, NE, Gage County, NE, Jefferson County, NE, Knox County, NE, Lancaster County, NE, Madison County, NE, Pierce County, NE, Platte County, NE, Saline County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Wayne County, NE

The radar

The Omaha radar (KOAX), 76 km from the middle of the area, began a volume at 08:04 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, 8.0 hours before the alert went out and 285 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: 3475 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 24 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 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 wind advisory went out at Sep 27, 2:52 AM CDT, 8 minutes earlier.

Area forecast discussion, Sep 27, 2:52 AM CDT, 8 minutes before

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Hazardous weather outlook, Sep 26, 5:00 PM CDT, 10 hours before

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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.
      </p>
      <p id="message2">
        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
Sep 27, 2:44 PM CDT	Severe Thunderstorm Warning	OAX	Boone	31 min
Sep 27, 3:01 PM CDT	Severe Thunderstorm Warning	OAX	Madison, Platte	44 min

Nearby

Wind Advisories in Nebraska, 2006 Every wind 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.