Alert archive / Michigan / Snow Advisories in 2008

Snow Advisory 2, NWS Marquette, MI

January 16, 20086 counties in Michigan

NWS Marquette, MI issued this snow advisory at Jan 16, 2008, 4:11 PM EST for 6 counties in Michigan. It took effect at Jan 17, 2008, 7:00 AM EST. It was in force for 34 hr.

The area

The counties it named.

The facts

Issued
Jan 16, 2008, 4:11 PM EST (21:11 UTC)
In effect from
Jan 17, 2008, 7:00 AM EST
Expired
Jan 18, 2008, 4:37 PM EST
In force
34 hr
Issued by
NWS Marquette, MI

Counties Baraga County, MI, Dickinson County, MI, Houghton County, MI, Iron County, MI, Keweenaw County, MI, Marquette County, MI

The radar

The Marquette radar (KMQT), 51 km from the middle of the area, began a volume at 21:10 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.2 hours before the alert went out and 241 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, Green Bay/Straub, WI at 12:00Z on 2008-01-16Temperature 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, Green Bay/Straub, WI at 12:00Z on 2008-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.1939Sfc1 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
1378 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Marquette, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 16, 4:39 AM ESTWinter Storm WatchMQTAlger, Delta, Luce, Menominee, Schoolcraft12 hr
Jan 16, 4:11 PM ESTHeavy Snow WarningMQTAlger, Delta, Dickinson, Luce, Marquette, Menominee and 1 more37 hr

Nearby

Snow Advisories in Michigan, 2008Every snow advisory 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.