Alert archive / Minnesota / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 82, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 27, 1991, 1:29 AM CDT for Pope County, Minnesota. 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
- Jun 27, 1991, 1:29 AM CDT (06:29 UTC)
- Expired
- Jun 27, 1991, 2:00 AM CDT
- In force
- 31 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Pope County, MN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 27, 1:35 AM CDT | Thunderstorm Wind 0 | Pope, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 6.5 hours before the alert went out and 166 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
- 4969 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1062 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTC 270629 SVRSTC MNC121-270700- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA 129 AM CDT THU JUN 27 1991 THE NATIONAL WEATHER SERVICE IN ST CLOUD MINNESOTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 200 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL MINNESOTA ...CENTRAL AND EASTERN POPE COUNTY AT 125 AM CDT A THUNDERSTORM WITH DAMAGING WINDS WAS LOCATED JUST WEST 17 MILES SOUTH OF ALEXANDRIA MINNESOTA...JUST WEST OF GLENWOOD. THIS SEVERE THUNDERSTORM WAS MOVING EAST AT 50 MPH. PERSONS IN GLENWOOD...VILLARD...SEDAN AND ALL OF RURAL CENTRAL AND EASTERN POPE COUNTY SHOULD BE IN PLACES OF SAFE SHELTER NOW. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAGY FROM WINDOWS. NNNN
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
Special weather statement, Jun 27, 12:03 AM CDT, 1 hour 26 minutes before
MNZALL-270700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 1200 PM CDT SAT JUN 26 1991 ...SEVERE THUNDERSTORM WATCH NUMBER 607 VALID UNTIL 6 AM CDT FOR MUCH OF CENTRAL AND A PORTION OF SOUTHWEST MINNESOTA... A CLUSTER OF THUNDERSTORMS OVER EASTERN SOUTH DAKOTA WILL BE MOVING INTO AN EXPLOSIVELY UNSTABLE AIRMASS OVER SOUTHERN AND CENTRAL SECTIONS OF MINNESOTA THIS THURSDAY MORNING AND THE RESULT IS LIKELY TO BE AN EXCEPTIONALY DAMAGING OUTBREAK OF SEVERE WEATHER. ONE CHARACTERISTIC THAT MAKES THIS SEVERE WEATHER SITUATION MORE DANGEROUS THAN MOST IS THE VERY FAST FOREWARD SPEEDS THE THUNDERSTORMS ARE LIKELY TO ACHIEVE. WITH ANTICIPATED THUNDERSTORM MOVEMENT OF 50 TO 60 MPH...COMMUNITIES THAT END UP IN THE PATH OF THESE STORMS WILL HAVE TO HAVE A VERY FAST RESPONSE TIME INDEED TO ALLOW PEOPLE TO TAKE SHELTER. SOME OF THE MORE DESTRUCTIVE THUNDERSTORMS ENTERING SOUTHWEST AND CENTRAL SECTIONS OF MINNESOTA MAY PRODUCE SURFACE WIND GUSTS IN A RANGE OF 75 TO 100 MPH AND ALSO PRODUCE LARGE HAIL IN THE 2 TO 3 INCH DIAMETER RANGE. WE WANT TO ENCOURAGE PEOPLE TO KEEP UP ON THE WEATHER IN THEIR AREA TONIGHT AND TO PLAN AHEAD AND DISCUSS SPECIFIC PLANS FOR TAKING APPROPRIATE SHELTER IF THE WORST OF THIS SEVERE WEATHER HAPPENS TO MOVE THROUGH YOUR COMMUNITY. ADVANCED PLANNING CAN BE YOUR BEST MEANS OF PROVIDING THAT MARGIN OF SAFTY FOR YOUR FAMILY. TOGSTAD
Special weather statement, Jun 27, 12:07 AM CDT, 1 hour 22 minutes before
MNZALL-270700- SPECIAL WEATHER STATEMENT...TO CORRECT THAT DATE! NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 1200 AM CDT THU JUN 27 1991 ...SEVERE THUNDERSTORM WATCH NUMBER 607 VALID UNTIL 6 AM CDT FOR MUCH OF CENTRAL AND A PORTION OF SOUTHWEST MINNESOTA... A CLUSTER OF THUNDERSTORMS OVER EASTERN SOUTH DAKOTA WILL BE MOVING INTO AN EXPLOSIVELY UNSTABLE AIRMASS OVER SOUTHERN AND CENTRAL SECTIONS OF MINNESOTA THIS THURSDAY MORNING AND THE RESULT IS LIKELY TO BE AN EXCEPTIONALY DAMAGING OUTBREAK OF SEVERE WEATHER. ONE CHARACTERISTIC THAT MAKES THIS SEVERE WEATHER SITUATION MORE DANGEROUS THAN MOST IS THE VERY FAST FOREWARD SPEEDS THE THUNDERSTORMS ARE LIKELY TO ACHIEVE. WITH ANTICIPATED THUNDERSTORM MOVEMENT OF 50 TO 60 MPH...COMMUNITIES THAT END UP IN THE PATH OF THESE STORMS WILL HAVE TO HAVE A VERY FAST RESPONSE TIME INDEED TO ALLOW PEOPLE TO TAKE SHELTER. SOME OF THE MORE DESTRUCTIVE THUNDERSTORMS ENTERING SOUTHWEST AND CENTRAL SECTIONS OF MINNESOTA MAY PRODUCE SURFACE WIND GUSTS IN A RANGE OF 75 TO 100 MPH AND ALSO PRODUCE LARGE HAIL IN THE 2 TO 3 INCH DIAMETER RANGE. WE WANT TO ENCOURAGE PEOPLE TO KEEP UP ON THE WEATHER IN THEIR AREA TONIGHT AND TO PLAN AHEAD AND DISCUSS SPECIFIC PLANS FOR TAKING APPROPRIATE SHELTER IF THE WORST OF THIS SEVERE WEATHER HAPPENS TO MOVE THROUGH YOUR COMMUNITY. ADVANCED PLANNING CAN BE YOUR BEST MEANS OF PROVIDING THAT MARGIN OF SAFTY FOR YOUR FAMILY. TOGSTAD
Special weather statement, Jun 27, 1:15 AM CDT, 14 minutes before
MNZ013-270715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA 115 AM CDT THU JUN 27 1991 ...SEVERE THUNDERSTORM WATCH FOR CENTRAL MINNESOTA UNTIL 6AM CDT... AT 105 AM CDT A LINE OF THUNDERSTORMS WITH HEAVY RAIN...STRONG DAMAGING WINDS AND POSSIBLE HAIL WAS MOVING RAPIDLY INTO CENTRAL MINNESOTA. THE LINE OF THUNDERSTORMS WAS APPROACHING WESTERN POPE...SWIFT AND CHIPPEWA COUNTIES OF WEST CENTRAL MINNESOTA. THESE STORMS HAVE BEEN PRODUCING WINDS OF 40 TO 50 MPH WITH SOME GUSTS ABOVE 60 MPH AND A FEW DOWNBURSTS THAT MAY EXCEED 70 MPH POSSIBLE. TOWNS IN THE IMMEDIATE PATH OF THESE THUNDERSTORMS INCLUDED BENSON AND DANVERS IN SWIFT COUNTY...MONTEVIDEO IN CHIPPEWA8 COUNTY...AND CYRUS AND STARBUCK IN POPE COUNTY. THESE THUNDERSTORMS ARE MOVING VERY RAPIDLY EAST NORTHEAST AND WILL MOVE ACROSS POPE...SWIFT AND CHIPPEA COUNTIES BY 2 AM CDT. WDV NNNN
Nearby
Severe Thunderstorm Warnings in Minnesota, 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.