Alert archive / Michigan / Lake Effect Snow Warnings in 2008

Lake Effect Snow Warning 1, NWS Northern Indiana

January 2, 2008Cass County, Michigan

NWS Northern Indiana issued this lake effect snow warning at Jan 2, 2008, 4:29 AM EST for Cass County, Michigan. It took effect at Jan 2, 2008, 7:00 AM EST. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 2, 2008, 4:29 AM EST (09:29 UTC)
In effect from
Jan 2, 2008, 7:00 AM EST
Expired
Jan 2, 2008, 7:00 PM EST
In force
12 hr
Issued by
NWS Northern Indiana

County Cass County, MI

The radar

The Northern Indiana radar (KIWX), 66 km from the middle of the area, began a volume at 09:31 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

Lincoln, IL (KILX), launched 00:00Z, 9.5 hours before the alert went out and 294 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, Lincoln, IL at 00:00Z on 2008-01-02Temperature 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, Lincoln, IL at 00:00Z on 2008-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 square meters per square second.193958Sfc1 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
837 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
189 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 2, 1:08 AM ESTSnow and Blowing Snow AdvisoryIWXDeKalb, Fulton, LaGrange, Marshall, Noble, Pulaski and 3 more8 hr
Jan 2, 1:34 AM ESTWind Chill AdvisoryIWXCass, Fulton, Grant, Miami, Pulaski, Wabash and 1 more7 hr
Jan 2, 4:29 AM ESTLake Effect Snow AdvisoryIWXElkhart15 hr

Nearby

Lake Effect Snow Warnings in Michigan, 2008Every lake effect snow warning in 2008

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.