Alert archive / Michigan / Winter Storm Warnings in 2008

Winter Storm Warning 9, NWS Detroit, MI

December 23, 2008Bay County, Midland County, Michigan

NWS Detroit, MI issued this winter storm warning at Dec 23, 2008, 4:51 PM EST for Bay County, Midland County, Michigan. 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
Dec 23, 2008, 4:51 PM EST (21:51 UTC)
Expired
Dec 24, 2008, 4:45 AM EST
In force
12 hr
Issued by
NWS Detroit, MI

Counties Bay County, MI, Midland County, MI

The radar

The Detroit radar (KDTX), 123 km from the middle of the area, began a volume at 21:57 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

Alpena, MI (KAPX), launched 12:00Z, 9.9 hours before the alert went out and 208 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, Alpena, MI at 12:00Z on 2008-12-23Temperature 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, Alpena, MI at 12:00Z on 2008-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.1939587897117136Sfc1 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
1285 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
104 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 winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Detroit, MI wrote its last area forecast discussion before this winter storm warning went out at Dec 22, 6:18 PM EST, 22 hours 33 minutes earlier.

Area forecast discussion, Dec 22, 6:18 PM EST, 22 hours 33 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 22, 10:23 PM ESTBrisk Wind AdvisoryDTX36 hr
Dec 22, 10:23 PM ESTGale WarningDTX53 hr
Dec 22, 10:23 PM ESTSmall Craft AdvisoryDTX36 hr
Dec 23, 5:01 AM ESTWinter Weather AdvisoryDTXBay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more41 hr
Dec 23, 4:48 PM ESTGale WarningDTX35 hr

Nearby

Winter Storm Warnings in Michigan, 2008Every winter storm 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.