Alert archive / Michigan / Winter Storm Warnings in 2010
Winter Storm Warning 3, NWS Northern Indiana
NWS Northern Indiana issued this winter storm warning at Feb 21, 2010, 4:50 PM EST for 4 counties in Michigan. It took effect at Feb 21, 2010, 7:00 PM EST. It was in force for 16 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
- Feb 21, 2010, 4:50 PM EST (21:50 UTC)
- In effect from
- Feb 21, 2010, 7:00 PM EST
- Expired
- Feb 22, 2010, 10:48 AM EST
- In force
- 16 hr
- Issued by
- NWS Northern Indiana
Counties Branch County, MI, Cass County, MI, Hillsdale County, MI, Saint Joseph County, MI
The radar
The Northern Indiana radar (KIWX), 70 km from the middle of the area, began a volume at 21:49 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
Detroit, MI (KDTX), launched 12:00Z, 9.8 hours before the alert went out and 178 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
- 1001 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 195 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 Feb 21, 3:56 PM EST, 54 minutes earlier.
Area forecast discussion, Feb 21, 3:56 PM EST, 54 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 |
|---|---|---|---|---|
| Feb 21, 4:00 PM EST | Small Craft Advisory | IWX | 24 hr | |
| Feb 21, 4:50 PM EST | Winter Weather Advisory | IWX | Elkhart, LaGrange, Steuben | 18 hr |
Nearby
Winter Storm Warnings in Michigan, 2010Every winter storm warning in 2010
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.