Alert archive / Iowa / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 126, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 16, 1996, 10:24 PM CDT for Woodbury County, Iowa. It was in force for 31 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 16, 1996, 10:24 PM CDT (03:24 UTC)
- Expired
- Jul 16, 1996, 10:55 PM CDT
- In force
- 31 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Woodbury County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 16, 10:41 PM CDT | Hail 1.75 | Climbing Hill, IA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 3.4 hours before the alert went out and 122 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
- 1921 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 979 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 214 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.5
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 10:04 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 31 min |
| Jul 16, 10:40 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 35 min |
| Jul 16, 7:17 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 43 min |
| Jul 16, 8:02 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 48 min |
| Jul 16, 10:48 PM CDT | Flash Flood Warning | FSD | Woodbury | 3 hr |
| Jul 16, 10:56 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 34 min |
| Jul 16, 11:36 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 34 min |
| Jul 17, 1:28 AM CDT | Flash Flood Warning | FSD | Woodbury | 3 hr |
Nearby
Severe Thunderstorm Warnings in Iowa, 1996Every severe thunderstorm warning in 1996
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.