Alert archive / Minnesota / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 76, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 18, 1991, 7:21 PM CDT for Fillmore County, Minnesota. It was in force for 24 min.
The area
The counties it named.
The facts
- Issued
- Jun 18, 1991, 7:21 PM CDT (00:21 UTC)
- Expired
- Jun 18, 1991, 7:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Fillmore County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 0.4 hours before the alert went out and 178 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
- 199 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 1675 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 46 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRST 190023 SVRRST MNC045-190100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 721 PM CDT TUE JUN 18 1991 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MINNESOTA ...SOUTHERN FILMORE COUNTY AT 7 10 PM RADAR INDICATED A SEVERE THUNDERSTORM NEAR BRISTOL...37 MILES SOUTHEAST OF ROCHESTER IN SOUTHERN FILLMORE COUNTY. MOVEMENT WAS SOUTHEAST. SOME CITIES IN THE PATH OF THIS STORM INCLUDE GRANGER AND HARMONY WHEN THUNDERSTORMS ARE OCCURRING..MOVE INSIDE A STRONG BUILDING DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOS WITH LITTLE OR NO WARNING.
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, Jun 18, 2:40 PM CDT, 4 hours 41 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
230 PM CDT TUE JUN 11 1991
...ATTN SELS...AM STORMS ON THE 18TH...
822 AM CDT 3/4 INCH HAIL AT MADISON MINNESOTA IN LAC QUI PARLE COUNTY.
840 AM CDT 3/4 INCH HAIL AT DAWSON MINNESOTA IN LAC QUI PARLE COUNTY.
903 AM CDT 1 INCH HAIL AT SAUK RAPIDS IN BENTON COUNTY.
917 AM CDT 2 1/2 INCH HAIL 1 MILES WEST OF LITCHFIELD IN MEEKER COUNTY
NOTE* HAIL THE SIZE OF BASEBALLS COVERED THE GROUND.
925 AM CDT 2 1/2 INCH HAIL REPORTED ALONG COUNTY ROAD BETWEEN LAKE
STELLA AND LAKE MANUELLA IN MEEKER COUNTY.
NOTE* HAIL STORM DROPPED SWATH OF LARGE HAIL FOR 22 MINUTES
945 AM CDT TORNADO REPORTED 4 MILES NORTH OF GROVE CITY IN MEEKER
COUNTY.
VCLocal storm report, Jun 18, 2:42 PM CDT, 4 hours 39 minutes before
LOCAL STORM REPORT...CORRECTED FOR DATELINE.
NATIONAL WEATHER SERVICE ST CLOUD MN
230 PM CDT TUE JUN 18 1991
...ATTN SELS...AM STORMS ON THE 18TH...
822 AM CDT 3/4 INCH HAIL AT MADISON MINNESOTA IN LAC QUI PARLE COUNTY.
840 AM CDT 3/4 INCH HAIL AT DAWSON MINNESOTA IN LAC QUI PARLE COUNTY.
903 AM CDT 1 INCH HAIL AT SAUK RAPIDS IN BENTON COUNTY.
917 AM CDT 2 1/2 INCH HAIL 1 MILES WEST OF LITCHFIELD IN MEEKER COUNTY
NOTE* HAIL THE SIZE OF BASEBALLS COVERED THE GROUND.
925 AM CDT 2 1/2 INCH HAIL REPORTED ALONG COUNTY ROAD BETWEEN LAKE
STELLA AND LAKE MANUELLA IN MEEKER COUNTY.
NOTE* HAIL STORM DROPPED SWATH OF LARGE HAIL FOR 22 MINUTES
945 AM CDT TORNADO REPORTED 4 MILES NORTH OF GROVE CITY IN MEEKER
COUNTY.
VCThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 5:45 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn, Mower | 45 min |
| Jun 19, 6:29 PM CDT | Severe Thunderstorm Warning | MPX | Mower | 31 min |
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; the sounding from the Mesonet's radiosonde archive.