Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 14, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 27, 1991, 3:34 PM CDT for Eau Claire County, Pepin County, Wisconsin. It was in force for 41 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
- May 27, 1991, 3:34 PM CDT (20:34 UTC)
- Expired
- May 27, 1991, 4:15 PM CDT
- In force
- 41 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Eau Claire County, WI, Pepin County, WI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 27, 4:11 PM CDT | Thunderstorm Wind 0 | Eau Claire, WI |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 8.6 hours before the alert went out and 151 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
- 1238 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSP 272032 SVRMSP WIC035-091-272115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 334 PM CDT MON MAY 27 1991 THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 415 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION S... IN WEST CENTRAL WISCONSIN ...EAU CLAIRE COUNTY...EASTERN PEPIN COUNTY AT 330 PM...A SEVERE THUNDERSTORM WAS LOCATED OVER EASTERN DUNN AND PEPIN COUNTIES...BETWEEN DURAND AND EAU CLAIRE...OR 10 MILES SOUTHWEST OF EAU CLAIRE. GOLF BALL SIZED HAIL HAS BEEN REPORTED FROM THIS STORM IN THE TOWN OF EAU GALLE. SOME OF THE TOWNS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE...FOSTER A EAU CLAIRE. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. PAULSON
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, May 27, 3:18 PM CDT, 16 minutes before
STORM REPORT NATIONAL WEATHER SERVICE MINNEAPOLIS, MN 315 PM CDT MON MAY 27 1991 XCLNT WORK SELS.............HAIL (HALE) RPT....... WSO RST PUT OUT SVR WRNG FOR 1 INCH HAIL EAST OF CITY OF RST AT 308 PM.......... ELMWOOD, WI IN ERN PIERCE 1 INCH HAIL...... MSP.......................................OPERATIONS WAY TO GO, FORECASTERS..........
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 3:12 PM CDT | Severe Thunderstorm Warning | MPX | Dunn | 48 min |
| May 27, 4:20 PM CDT | Severe Thunderstorm Warning | MPX | Eau Claire | 40 min |
| May 27, 4:59 PM CDT | Severe Thunderstorm Warning | MPX | Clark | 61 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1991Every severe thunderstorm warning in 1991
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.