Alert archive / Michigan / Ice Storm Warnings in 2013
Ice Storm Warning 2, NWS Detroit, MI
NWS Detroit, MI issued this ice storm warning at Dec 21, 2013, 3:26 AM EST for 8 counties in Michigan. It took effect at Dec 21, 2013, 5:00 PM EST. It was in force for 11 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 21, 2013, 3:26 AM EST (08:26 UTC)
- In effect from
- Dec 21, 2013, 5:00 PM EST
- Expired
- Dec 22, 2013, 4:13 AM EST
- In force
- 11 hr
- Issued by
- NWS Detroit, MI
Counties Genesee County, MI, Lapeer County, MI, Livingston County, MI, Macomb County, MI, Oakland County, MI, Saint Clair County, MI, Sanilac County, MI, Shiawassee County, MI
The radar
The Detroit radar (KDTX), 27 km from the middle of the area, began a volume at 08:29 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
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 8.4 hours before the alert went out and 376 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 474 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 279 m²/s²
- 0-3 km storm-relative helicity
- 396 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this ice 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 ice storm warning went out at Dec 21, 3:18 AM EST, 8 minutes earlier.
Area forecast discussion, Dec 21, 3:18 AM EST, 8 minutes before
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</html>The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 20, 10:23 PM EST | Small Craft Advisory | DTX | 6 hr | |
| Dec 21, 3:26 AM EST | Winter Weather Advisory | DTX | Bay, Genesee, Huron, Lapeer, Livingston, Macomb and 9 more | 30 hr |
| Dec 21, 12:30 PM EST | River Flood Warning | DTX | Wayne | 18 hr |
| Dec 21, 4:00 PM EST | Gale Warning | DTX | 18 hr | |
| Dec 21, 4:00 PM EST | Small Craft Advisory | DTX | 18 hr |
Nearby
Ice Storm Warnings in Michigan, 2013Every ice storm warning in 2013
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.