Alert archive / Michigan / Winter Storm Watches in 2008

Winter Storm Watch 3, NWS Gaylord, MI

January 20, 20087 counties in Michigan

NWS Gaylord, MI issued this winter storm watch at Jan 20, 2008, 4:01 PM EST for 7 counties in Michigan. It took effect at Jan 21, 2008, 11:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 20, 2008, 4:01 PM EST (21:01 UTC)
In effect from
Jan 21, 2008, 11:00 AM EST
Expired
Jan 21, 2008, 5:05 AM EST
In force
Issued by
NWS Gaylord, MI

Counties Antrim County, MI, Benzie County, MI, Emmet County, MI, Grand Traverse County, MI, Leelanau County, MI, Manistee County, MI, Wexford County, MI

The radar

The NCL Michigan radar (KAPX), 76 km from the middle of the area, began a volume at 20:59 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, 9.0 hours before the alert went out and 195 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 2008-01-20Temperature 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 2008-01-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.19395878Sfc1 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
0 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
137 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 watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Gaylord, MI wrote its last area forecast discussion before this winter storm watch went out at Jan 20, 3:33 PM EST, 28 minutes earlier.

Area forecast discussion, Jan 20, 3:33 PM EST, 28 minutes before
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Hazardous weather outlook, Jan 20, 5:02 AM EST, 10 hours 59 minutes before
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In the hours before

Local storm report, Jan 20, 10:39 AM EST, 5 hours 22 minutes before
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Local storm report, Jan 20, 10:40 AM EST, 5 hours 21 minutes before
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Local storm report, Jan 20, 10:43 AM EST, 5 hours 18 minutes before
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Local storm report, Jan 20, 1:58 PM EST, 2 hours 3 minutes before
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Local storm report, Jan 20, 2:00 PM EST, 2 hours 1 minute before
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Nearby

Winter Storm Watches in Michigan, 2008Every winter storm watch 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.