Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 86, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Sep 13, 1993, 1:39 AM CDT for Pipestone County, Rock County, Minnesota. It was in force for 66 min.
The area
The counties it named.
The facts
- Issued
- Sep 13, 1993, 1:39 AM CDT (06:39 UTC)
- Expired
- Sep 13, 1993, 2:45 AM CDT
- In force
- 66 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
Counties Pipestone County, MN, Rock County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 6.7 hours before the alert went out and 239 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
- 2258 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 1159 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 175 m²/s²
- 0-3 km storm-relative helicity
- 267 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.1
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 |
|---|---|---|---|---|
| Sep 13, 1:07 AM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 68 min |
| Sep 13, 1:39 AM CDT | Severe Thunderstorm Warning | FSD | Moody | 44 min |
| Sep 13, 3:05 AM CDT | Severe Thunderstorm Warning | FSD | Cottonwood, Jackson | 40 min |
| Sep 13, 3:18 AM CDT | Severe Thunderstorm Warning | FSD | Jackson | 42 min |
| Sep 13, 1:51 AM CDT | Severe Thunderstorm Warning | FSD | Osceola | 54 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1993Every severe thunderstorm warning in 1993
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.