Alert archive / Michigan / Winter Storm Warnings in 2008
Winter Storm Warning 17, NWS Northern Indiana
NWS Northern Indiana issued this winter storm warning at Dec 18, 2008, 4:51 AM EST for Elkhart County, LaGrange County, Steuben County, Indiana; 4 counties in Michigan. It took effect at Dec 18, 2008, 10:00 PM EST. It was in force for 13 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 18, 2008, 4:51 AM EST (09:51 UTC)
- In effect from
- Dec 18, 2008, 10:00 PM EST
- Expired
- Dec 19, 2008, 10:46 AM EST
- In force
- 13 hr
- Issued by
- NWS Northern Indiana
Counties Elkhart County, IN, LaGrange County, IN, Steuben County, IN, Branch County, MI, Cass County, MI, Hillsdale County, MI, Saint Joseph County, MI
The radar
The Northern Indiana radar (KIWX), 56 km from the middle of the area, began a volume at 10:09 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, 9.9 hours before the alert went out and 328 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
- 826 m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 243 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Northern Indiana wrote its last area forecast discussion before this winter storm warning went out at Dec 18, 4:14 AM EST, 37 minutes earlier.
Area forecast discussion, Dec 18, 4:14 AM EST, 37 minutes before
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</html>The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 10:46 PM EST | Small Craft Advisory | IWX | 44 hr | |
| Dec 18, 4:51 AM EST | Ice Storm Warning | IWX | Adams, Allen, Blackford, Cass, DeKalb, Fulton and 12 more | 30 hr |
| Dec 18, 12:59 PM EST | Winter Weather Advisory | IWX | Adams, Blackford, Grant, Jay, Wells | 9 hr |
Nearby
Winter Storm Warnings in Michigan, 2008Winter Storm Warnings in Indiana, 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.