Alert archive / Indiana / Freeze Warnings in 2010
Freeze Warning 4, NWS Northern Indiana
NWS Northern Indiana issued this freeze warning at Apr 27, 2010, 11:49 AM EDT for 11 counties in Indiana; 6 counties in Ohio; 4 counties in Michigan. It took effect at Apr 28, 2010, 4:00 AM EDT. It was in force for 4 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
- Apr 27, 2010, 11:49 AM EDT (15:49 UTC)
- In effect from
- Apr 28, 2010, 4:00 AM EDT
- Expired
- Apr 28, 2010, 8:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS Northern Indiana
All 21 counties
Allen County, IN, DeKalb County, IN, Elkhart County, IN, Fulton County, IN, LaGrange County, IN, Marshall County, IN, Noble County, IN, Pulaski County, IN, Starke County, IN, Steuben County, IN, Whitley County, IN, Branch County, MI, Cass County, MI, Hillsdale County, MI, Saint Joseph County, MI, Defiance County, OH, Fulton County, OH, Henry County, OH, Paulding County, OH, Putnam County, OH, Williams County, OH
The radar
The Northern Indiana radar (KIWX), 38 km from the middle of the area, began a volume at 15:48 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 12:00Z, 3.8 hours before the alert went out and 316 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
- 1470 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this freeze 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 freeze warning went out at Apr 26, 7:33 PM EDT, 16 hours 16 minutes earlier.
Area forecast discussion, Apr 26, 7:33 PM EDT, 16 hours 16 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 |
|---|---|---|---|---|
| Apr 27, 3:38 AM EDT | Freeze Watch | IWX | Adams, Allen, Blackford, Cass, DeKalb, Elkhart and 15 more | 8 hr |
| Apr 27, 11:49 AM EDT | Frost Advisory | IWX | Adams, Blackford, Cass, Grant, Huntington, Jay and 4 more | 20 hr |
| Apr 27, 2:28 PM EDT | Small Craft Advisory | IWX | 9 hr | |
| Apr 27, 10:41 AM EDT | River Flood Warning | IWX | Williams | 24 hr |
Nearby
Freeze Warnings in Indiana, 2010Freeze Warnings in Ohio, 2010Freeze Warnings in Michigan, 2010Every freeze 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.