Alert archive / Indiana / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 178, NWS Chicago, IL
NWS Chicago, IL issued this severe thunderstorm warning at Aug 3, 2006, 5:56 AM CDT for Porter County, Indiana. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 3, 2006, 5:56 AM CDT (10:56 UTC)
- Expired
- Aug 3, 2006, 6:30 AM CDT
- In force
- 34 min
- Issued by
- NWS Chicago, IL
- Area
- Counties, with a storm outline in the text
County Porter County, IN
The radar
The Chicago radar (KLOT), 85 km from the middle of the area, began a volume at 10:58 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 3, 3:46 AM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 10.9 hours before the alert went out and 198 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
- 1505 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 2057 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 7:31 PM CDT | Special Marine Warning | LOT | 89 min | |
| Aug 2, 7:59 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 40 min |
| Aug 2, 8:20 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall | 40 min |
| Aug 2, 8:47 PM CDT | Special Marine Warning | LOT | 88 min | |
| Aug 2, 9:21 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 29 min |
| Aug 2, 10:07 PM CDT | Special Marine Warning | LOT | 45 min | |
| Aug 3, 12:13 AM CDT | Severe Thunderstorm Warning | LOT | Will | 30 min |
| Aug 3, 3:38 AM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle | 72 min |
| Aug 3, 4:11 AM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, LaSalle | 47 min |
| Aug 3, 4:14 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane | 61 min |
| Aug 3, 4:30 AM CDT | Special Marine Warning | LOT | 117 min | |
| Aug 3, 4:41 AM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Lake, McHenry, Will | 49 min |
| Aug 2, 9:40 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 29 min |
| Aug 2, 10:07 PM CDT | Severe Thunderstorm Warning | LOT | Porter | 26 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 2006Every severe thunderstorm warning in 2006
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.