Alert archive / Nebraska / Snow Advisories in 2005

Snow Advisory 2, NWS Omaha, NE

December 3, 200510 counties in Nebraska; 5 counties in Iowa

NWS Omaha, NE issued this snow advisory at Dec 3, 2005, 4:16 AM CST for 10 counties in Nebraska; 5 counties in Iowa. It took effect at Dec 3, 2005, 5:46 AM CST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Dec 3, 2005, 4:16 AM CST (10:16 UTC)
In effect from
Dec 3, 2005, 5:46 AM CST
Expired
Dec 3, 2005, 1:04 PM CST
In force
7 hr
Issued by
NWS Omaha, NE

Counties Harrison County, IA, Mills County, IA, Montgomery County, IA, Pottawattamie County, IA, Shelby County, IA, Butler County, NE, Cass County, NE, Dodge County, NE, Douglas County, NE, Lancaster County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Washington County, NE

The radar

The Omaha radar (KOAX), 19 km from the middle of the area, began a volume at 10:13 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

Omaha, NE (KOAX), launched 00:00Z, 10.3 hours before the alert went out and 19 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-pSkew-T log-p diagram, Omaha, NE at 00:00Z on 2005-12-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2005-12-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
747 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
382 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

Nearby

Snow Advisories in Nebraska, 2005Snow Advisories in Iowa, 2005Every snow advisory in 2005

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.