Alert archive / Minnesota / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 40, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Aug 25, 1996, 9:16 PM CDT for Olmsted County, Minnesota. It was in force for 44 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
- Aug 25, 1996, 9:16 PM CDT (02:16 UTC)
- Expired
- Aug 25, 1996, 10:00 PM CDT
- In force
- 44 min
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
County Olmsted County, MN
The radar
The La Crosse radar (KARX), 99 km from the middle of the area, began a volume at 02:16 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 25, 9:48 PM CDT | Thunderstorm Wind 52 | Rochester, MN |
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
Minneapolis, MN (KMPX), launched 00:00Z, 2.3 hours before the alert went out and 134 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
- 3008 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1140 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLSE 260218 SVRLSE MNC109-260300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 916 PM CDT SUN AUG 25 1996 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MINNESOTA ...OLMSTED COUNTY AT 915 PM...RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHWEST OF ORONOCO...ABOUT 10 MILES NORTHWEST OF ROCHESTER. DIME SIZE HAIL HAS BEEN REPORTED IN ORONOCO. THE STORM IS MOVING SOUTHEAST NEAR 20 MPH AND WILL APPROACH THE COMMUNITIES OF DOUGLASS AND NORTH ROCHESTER BY 930 PM. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEtATHER IN A STRONG BUILDING. HAIL 3/4 OF AN INCH OR LARGER IN DIAMETER AND DEADLY LIGHTNING CAN BE EXPECTED WITH THIS STORM. RIECK/THOMPSON &
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 9:50 PM CDT | Severe Thunderstorm Warning | ARX | Winona | 55 min |
| Aug 25, 10:00 PM CDT | Severe Thunderstorm Warning | ARX | Dodge, Olmsted | 45 min |
| Aug 25, 10:27 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore, Houston | 48 min |
| Aug 25, 10:45 PM CDT | Severe Thunderstorm Warning | ARX | Winona | 30 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 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; radar from the NEXRAD Level II archive.