Alert archive / Minnesota / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 84, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 16, 1992, 3:47 AM CDT for Olmsted County, Minnesota. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Sep 16, 1992, 3:47 AM CDT (08:47 UTC)
- Expired
- Sep 16, 1992, 4:30 AM CDT
- In force
- 43 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Olmsted County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 8.8 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
- 1883 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 717 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 350 m²/s²
- 0-3 km storm-relative helicity
- 456 m²/s²
- Significant tornado parameter
- 2.8
- Supercell composite
- 8.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRST 160850 SVRRST MNC109-160930- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 347 AM CDT WED SEP 16 1992 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MINNESOTA ...SOUTHERN OLMSTED COUNTY AT 340AM CDT...THE WINDS AT THE ROCHESTER AIRPORT WERE CLOCKED AT 64 MILES AN HOUR. THIS WAS ASSOCIATED WITH A SEVERE THUNDERSTORM MOVING ACROSS THE SOUTHERN HALF OF OLMSTED COUNTY. THIS STORM WAS LOCATED OVER THE CITIES OF ROCHESTER AND STEWARTVILLE WHICH IS LOCATED ABOUT 7 MILES SOUTH OF ROCHESTER. THIS STROM WAS MOVING EAST AT 20 MILES AN HOUR. IT SHOULD BE NEAR THE CITY OF ST. CHARLES BY 415AM CDT. 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
Special weather statement, Sep 15, 10:56 PM CDT, 4 hours 51 minutes before
MNZALL-WIZ006-160500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 1057 PM CDT TUE SEP 15 1992 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR DAKOTA...SOUTHERN HENNEPIN...AND SCOTT COUNTIES IN THE TWIN CITIES METRO AREA... ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN DUNN... PEPIN...AND PIERCE COUNTIES OF WEST CENTRAL WISCONSIN... THUNDERSTORMS WITH EXTREMELY HEAVY RAINFALL CONTINUED OVER SOUTHERN PORTIONS OF THE GREATER TWIN CITIES METRO AREA AND EXTENDED INTO WESTERN WISCONSIN AT 1030 PM. THE HEAVIEST RAINFALL WAS IN A 20 MILE WIDE BAND FROM NEAR HUTCHINSON...ABOUT 50 MILES WEST OF DOWNTOWN MINNEAPOLIS...TO NORTHFIELD...TO ELLSWORTH WISCONSIN...TO EAU CLAIRE. IN ADDITION TO THE EXTREMELY HEAVY RAINFALL...HAIL...STRONG GUSTY WINDS...AND FREQUENT LIGHTNING STRIKES ARE LIKELY WITH THESE THUNDERSTORMS. FLASH FLOODING IS LIKELY WITH SOME OF THESE STORMS. PERSONS IN LOW LYING AREAS ARE ESPECIALLY VULNERABLE AND SHOULD USE EXTRA CAUTION. THIS MEANS PERSONS IN SOUTHEAST MINNESOTA AND WEST WISCONSIN WHO MAY BE CAMPING IN HILLY TERRAIN SHOULD TAKE SHELTER ON HIGHER GROUND. FLOODING OF UNDERPASSES IN URBAN AREAS IS ALSO LIKELY ...SO MOTORISTS SHOULD USE EXTRA CAUTION. MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR. THE THUNDERSTORMS ARE REDEVELOPING OVER SOUTH CENTRAL MINNESOTA...SO IT IS LIKELY THAT VERY HEAVY RAINFALL MAY CONTINUE OVER THE SAME AREA...INCREASING THE POTENTIAL FOR FLOODING. OTHER THUNDERSTORMS CONTINUED OVER ABOUT THE SOUTHEAST HALF OF MINNESOTA AS WELL AS WESTERN WISCONSIN. THEY WERE GENERALLY LOCATED TO THE NORTH OF A LINE FROM REDWOOD FALLS IN SOUTHWEST MINNESOTA TO OWATONNA IN SOUTH CENTRAL MINNESOTA TO FAIRCHILD IN WESTERN WISCONSIN...ABOUT 30 MILES SOUTHEAST OF EAU CLAIRE. KRAFT
Special weather statement, Sep 15, 11:48 PM CDT, 3 hours 59 minutes before
MNZALL-WIZ006-160600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 1145 PM CDT TUE SEP 15 1992 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR DAKOTA...SOUTHERN HENNEPIN...SCOTT...GOODHUE...AND RICE COUNTIES IN MINNESOTA... ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN DUNN... PEPIN...AND PIERCE COUNTIES OF WEST CENTRAL WISCONSIN... THUNDERSTORMS WITH EXTREMELY HEAVY RAINFALL CONTINUED OVER ABOUT THE SOUTHEAST QUARTER OF MINNESOTA...AS WELL AS PORTIONS OF WEST CENTRAL WISCONSIN AT 1130 PM. THE HEAVIEST RAINFALL WAS OCCURRING FROM HUTCHINSON TO MINNEAPOLIS...AND SOUTH TO WASECA IN SOUTHERN MINNESOTA...AND IN A NARROW BAND FROM NORTHFIELD MINNESOTA TO JUST SOUTH OF EAU CLAIRE WISCONSIN. FARMINGTON MINNESOTA...ABOUT 20 MILES SOUTH OF DOWNTOWN ST PAUL...REPORTED A RAINFALL TOTAL OF 7.98 INCHES AS OF 1130 PM. FLASH FLOODING IS LIKELY WITH SOME OF THESE STORMS. PERSONS IN LOW LYING AREAS ARE ESPECIALLY VULNERABLE...AND SHOULD MOVE TO HIGHER GROUND. PERSONS CAMPING ALONG THE CANNON RIVER IN SOUTHEAST MINNESOTA ...AND ELSEWHERE IN THE WARNED COUNTIES OF EAST CENTRAL AND SOUTHEAST MINNESOTA AND WEST WISCONSIN SHOULD MOVE TO HIGH GROUND FOR SAFETY. FLOODING OF UNDERPASSES IN URBAN AREAS IS ALSO LIKELY...SO MOTORISTS SHOULD USE EXTRA CAUTION. MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR. THE THUNDERSTORMS ARE REDEVELOPING OVER SOUTH CENTRAL MINNESOTA...SO IT IS LIKELY THAT VERY HEAVY RAINFALL MAY CONTINUE OVER THE SAME AREA...INCREASING THE POTENTIAL FOR FLOODING. OTHER THUNDERSTORMS CONTINUED OVER ABOUT THE SOUTHEAST HALF OF MINNESOTA AS WELL AS WESTERN WISCONSIN. THEY WERE GENERALLY LOCATED TO THE EAST OF A LINE ALBERT LEA TO WILLMAR TO DULUTH. KRAFT
Special weather statement, Sep 16, 1:48 AM CDT, 1 hour 59 minutes before
MNZALL-WIZ006-160800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 145 AM CDT WED SEP 16 1992 ...TORRENTIAL RAINS CONTINUE OVER EASTERN MINNESOTA AND WESTERN WISCONSIN... THUNDERSTORMS WITH EXTREMELY HEAVY RAINFALL CONTINUED OVER PARTS OF THE SOUTHEAST QUARTER OF MINNESOTA AND WESTERN WISCONSIN. FLASH FLOOD WARNINGS REMAIN IN EFFECT FOR PORTIONS OF THE TWIN CITIES METRO AREA AND WESTERN WISCONSIN. THE THUNDERSTORMS CONTINUE TO REDEVELOP AND MOVE OVER THE SAME AREAS AS THEY HAVE SINCE TUESDAY EVENING. THE THUNDERSTORMS ARE LOCATED TO THE EAST OF A LINE FROM HINCKLEY TO WILLMAR TO OWATONNA TO ROCHESTER...WITH THE HEAVIEST RAINFALL WITHIN 60 MILES OF THE TWIN CITIES. MOVEMENT WAS TO THE EAST AT 25 MILES AN HOUR. FLASH FLOODING IS LIKELY WITH SOME OF THESE STORMS. PERSONS IN LOW LYING AREAS ARE ESPECIALLY VULNERABLE...AND SHOULD MOVE TO HIGHER GROUND. THIS IS ESPECIALLY TRUE FOR PERSONS CAMPING IN THE HILLY TERRAIN IN THE WARNED COUNTIES OF EAST CENTRAL AND SOUTHEAST MINNESOTA AND WEST WISCONSIN. FLOODING OF ROADS AND UNDERPASSES IN URBAN AREAS IS ALSO LIKELY...SO MOTORISTS SHOULD USE EXTRA CAUTION. KRAFT
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 7:22 PM CDT | Severe Thunderstorm Warning | MPX | Rice | 38 min |
| Sep 15, 9:16 PM CDT | Severe Thunderstorm Warning | MPX | Rice | 29 min |
| Sep 15, 10:11 PM CDT | Flash Flood Warning | MPX | Dakota, Hennepin, Scott | 4 hr |
| Sep 16, 2:04 AM CDT | Flash Flood Warning | MPX | Dakota, Hennepin, Scott | 116 min |
| Sep 16, 3:22 AM CDT | Flash Flood Warning | MPX | Goodhue | 38 min |
| Sep 16, 5:09 PM CDT | Tornado Warning | MPX | Mille Lacs | 18 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1992Every severe thunderstorm warning in 1992
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.