Alert archive / Indiana / Winter Weather Advisories in 2012
Winter Weather Advisory 2, NWS Northern Indiana
NWS Northern Indiana issued this winter weather advisory at Jan 12, 2012, 4:21 AM EST for 18 counties in Indiana; 8 counties in Ohio; Hillsdale County, Michigan. It took effect at Jan 12, 2012, 4:00 PM EST. It was in force for 31 hr.
The area
The counties it named.
The facts
- Issued
- Jan 12, 2012, 4:21 AM EST (09:21 UTC)
- In effect from
- Jan 12, 2012, 4:00 PM EST
- Expired
- Jan 13, 2012, 11:16 PM EST
- In force
- 31 hr
- Issued by
- NWS Northern Indiana
All 27 counties
Adams County, IN, Allen County, IN, Blackford County, IN, Cass County, IN, DeKalb County, IN, Fulton County, IN, Grant County, IN, Huntington County, IN, Jay County, IN, Marshall County, IN, Miami County, IN, Pulaski County, IN, Starke County, IN, Steuben County, IN, Wabash County, IN, Wells County, IN, White County, IN, Whitley County, IN, Hillsdale County, MI, Allen County, OH, Defiance County, OH, Fulton County, OH, Henry County, OH, Paulding County, OH, Putnam County, OH, Van Wert County, OH, Williams County, OH
The radar
The Northern Indiana radar (KIWX), 50 km from the middle of the area, began a volume at 09:25 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 00:00Z, 9.4 hours before the alert went out and 241 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
- 1704 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- -1 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 weather advisory 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 weather advisory went out at Jan 11, 9:57 PM EST, 6 hours 24 minutes earlier.
Area forecast discussion, Jan 11, 9:57 PM EST, 6 hours 24 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 |
|---|---|---|---|---|
| Jan 12, 4:21 AM EST | Winter Storm Warning | IWX | Elkhart, LaGrange, Marshall, Noble, Starke | 43 hr |
| Jan 12, 4:34 AM EST | Gale Warning | IWX | 35 hr |
Nearby
Winter Weather Advisories in Indiana, 2012Winter Weather Advisories in Ohio, 2012Winter Weather Advisories in Michigan, 2012Every winter weather advisory in 2012
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.