Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 69, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 23, 1994, 5:50 PM CDT for Sherburne County, Minnesota. It was in force for 40 min.
The area
The counties it named.
The facts
- Issued
- Jun 23, 1994, 5:50 PM CDT (22:50 UTC)
- Expired
- Jun 23, 1994, 6:30 PM CDT
- In force
- 40 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Sherburne County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 10.8 hours before the alert went out and 67 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
- 56 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 1124 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- -66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KSTC 232250 RRA SVRSTC MNC141-232330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA 550 PM CDT THU JUN 23 1994 THE NATIONAL WEATHER SERVICE IN ST CLOUD MINNESOTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL MINNESOTA ...SHERBURNE COUNTY AT 540 PM RADAR SHOWED A SEVERE THUNDERSTORM LOCATED NEAR GLENDORADO WHICH IS 25 MILES EAST OF ST CLOUD AND MOVING SOUTH AT 10 MPH WITH ANOTHER SEVERE THUNDERSTORM DEVELOPING ABOUT 10 MILES NORTHEAST OF CLEAR LAKE OR 15 TO 20 MILES SOUTHEAST OF ST CLOUD ALSO MOVING SOUTH AT 10 MPH. THESE STORMS WILL MOVE THROUGH ORROCK...BECKER AND BIG LAKE BY 615 PM. IF OUTSIDE..FIND A STRONG BUILDING. DO NOT SEEK SHELTER UNDER TREES. STAY INDOORS AWAY FROM WINDOWS. DO NOT USE ELECTRICAL APPLIANCES. NNNN WWUS35KCLE .
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 23, 3:15 PM CDT, 2 hours 35 minutes before
MNZ042>044-046-048>051-054>058-064-232200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 315 PM CDT THU JUN 23 1994 ...THUNDERSTORMS DEVELOP OVER CENTRAL MINNESOTA... AT 315 PM RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS IN CENTRAL MINNESOTA EXTENDING FROM NEAR MILLE LACS LAKE AND BRAINERD SOUTHWEST THROUGH CENTRAL STEARNS COUNTY TO MADISON WHICH IS 55 MILES WEST OF WILLMAR. THIS LINE OF STORMS WAS MOVING SOUTHEAST AT 15 MPH. THE STRONGEST THUNDERSTORM WAS LOCATED NEAR GREY EAGLE WHICH IS 30 MILES EAST OF ALEXANDRIA AND WAS MOVING SOUTH SOUTHEAST AT 10 MPH. NO SEVERE WEATHER HAS BEEN REPORTED WITH THIS LINE OF STORMS HOWEVER SMALL HAIL...GUSTY WINDS AND BRIEF HEAVY RAINS CAN BE EXPECTED. RAY
Special weather statement, Jun 23, 3:26 PM CDT, 2 hours 24 minutes before
MNZ042>044-046-048>051-054>058-064-232200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 315 PM CDT THU JUN 23 1994 ...THUNDERSTORMS DEVELOP OVER CENTRAL MINNESOTA... AT 315 PM RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS IN CENTRAL MINNESOTA EXTENDING FROM NEAR MILLE LACS LAKE AND BRAINERD SOUTHWEST THROUGH CENTRAL STEARNS COUNTY TO MADISON WHICH IS 55 MILES WEST OF WILLMAR. THIS LINE OF STORMS WAS MOVING SOUTHEAST AT 15 MPH. THE STRONGEST THUNDERSTORM WAS LOCATED NEAR GREY EAGLE WHICH IS 30 MILES EAST OF ALEXANDRIA AND WAS MOVING SOUTH SOUTHEAST AT 10 MPH. NO SEVERE WEATHER HAS BEEN REPORTED WITH THIS LINE OF STORMS HOWEVER SMALL HAIL...GUSTY WINDS AND BRIEF HEAVY RAINS CAN BE EXPECTED. RAY
Special weather statement, Jun 23, 3:56 PM CDT, 1 hour 54 minutes before
MNZ052-053-WIZ014-023-232300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 356 PM CDT THU JUN 23 1994 AT 330 PM RADAR INDICATED SOME WIDELY SCATTERED STRONG THUNDERSTORMS OVER WEST CENTRAL WISCONSIN AND EAST CENTRAL MINNESOTA. ONE OF THESE THUNDERSTORMS WAS LOCATED IN SOUTHERN POLK COUNTY WISCONSIN NEAR AMERY AND ST. CROIX FALLS..OR ABOUT 25 MILES NORTHEAST OF THE TWIN CITIES. THE OTHER THUNDERSTORM WAS IN THE MORA AREA..OF EAST CENTRAL MINNESOTA ..OR ABOUT 50 MILES NORTH OF THE TWIN CITIES. THESE THUNDERSTORMS COULD PRODUCE SOME GUSTY WINDS BUT BRIEF VERY HEAVY RAIN IS MORE LIKELY. DUE TO THE SLOW MOVEMENT TO THE SOUTH OF ONLY 15 MILES AN HOUR..SOME LOCALIZED PONDING OF WATER AND REDUCED VISIBILTY ARE POSSIBLE. THESE SHOWERS AND THUNDERSTORMS WILL AFFECT AREAS NEAR THE CITIES OF NEW RICHMOND AND SOMERSET WISCONSIN IN ST. CROIX COUNTY BETWEEN 4 AND 5 PM. THE THUNDERSTORMS NORTH OF THE TWIN CITIES WILL AFFECT NORTHERN ISANTI COUNTY NEAR THE CITY OF CAMBRIDGE BY AROUND 5 PM. IF YOU PLAN TO BE OUTDOORS THIS EVENING...CHECK THE LATEST WEATHER INFORMATION AND KEEP A WEATHER EYE ON THE SKY. JPR
Special weather statement, Jun 23, 3:59 PM CDT, 1 hour 51 minutes before
MNZ052-053-WIZ014-023-232300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 356 PM CDT THU JUN 23 1994 AT 330 PM RADAR INDICATED SOME WIDELY SCATTERED STRONG THUNDERSTORMS OVER WEST CENTRAL WISCONSIN AND EAST CENTRAL MINNESOTA. ONE OF THESE THUNDERSTORMS WAS LOCATED IN SOUTHERN POLK COUNTY WISCONSIN NEAR AMERY AND ST. CROIX FALLS..OR ABOUT 25 MILES NORTHEAST OF THE TWIN CITIES. THE OTHER THUNDERSTORM WAS IN THE MORA AREA..OF EAST CENTRAL MINNESOTA ..OR ABOUT 50 MILES NORTH OF THE TWIN CITIES. THESE THUNDERSTORMS COULD PRODUCE SOME GUSTY WINDS BUT BRIEF VERY HEAVY RAIN IS MORE LIKELY. DUE TO THE SLOW MOVEMENT TO THE SOUTH OF ONLY 15 MILES AN HOUR..SOME LOCALIZED PONDING OF WATER AND REDUCED VISIBILTY ARE POSSIBLE. THESE SHOWERS AND THUNDERSTORMS WILL AFFECT AREAS NEAR THE CITIES OF NEW RICHMOND AND SOMERSET WISCONSIN IN ST. CROIX COUNTY BETWEEN 4 AND 5 PM. THE THUNDERSTORMS NORTH OF THE TWIN CITIES WILL AFFECT NORTHERN ISANTI COUNTY NEAR THE CITY OF CAMBRIDGE BY AROUND 5 PM. IF YOU PLAN TO BE OUTDOORS THIS EVENING...CHECK THE LATEST WEATHER INFORMATION AND KEEP A WEATHER EYE ON THE SKY. JPR
Special weather statement, Jun 23, 4:15 PM CDT, 1 hour 35 minutes before
MNZ042>044-046-048>051-054>058-064-232300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 415 PM CDT THU JUN 23 1994 ...THUNDERSTORMS CONTINUE OVER CENTRAL MINNESOTA... AT 415 PM RADAR SHOWED A BROAD LINE OF SHOWERS AND THUNDERSTORMS IN CENTRAL MINNESOTA EXTENDING FROM NEAR MILLE LACS LAKE TO JUST WEST OF ST CLOUD TO WEST OF WILLMAR AND CONTINUING SOUTHWEST INTO SOUTH DAKOTA. THIS LINE OF STORMS WAS MOVING SOUTHEAST AT 15 MPH AND HAS BEEN WEAKENING DURING THE PAST HOUR. THE STRONGEST STORM WAS LOCATED ABOUT 15 MILES SOUTHWEST OF ST CLOUD NEAR COLD SPRING AND CONTINUES TO MOVE SLOWLY SOUTH SOUTH EAST AT AROUND 10 MPH. NO SEVERE WEATHER HAS BEEN REPORTED WITH THIS LINE OF STORMS HOWEVER SMALL HAIL...GUSTY WINDS AND BRIEF HEAVY RAINS CAN BE EXPECTED. RAY
Special weather statement, Jun 23, 4:24 PM CDT, 1 hour 26 minutes before
MNZ042>044-046-048>051-054>058-064-232300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 415 PM CDT THU JUN 23 1994 ...THUNDERSTORMS CONTINUE OVER CENTRAL MINNESOTA... AT 415 PM RADAR SHOWED A BROAD LINE OF SHOWERS AND THUNDERSTORMS IN CENTRAL MINNESOTA EXTENDING FROM NEAR MILLE LACS LAKE TO JUST WEST OF ST CLOUD TO WEST OF WILLMAR AND CONTINUING SOUTHWEST INTO SOUTH DAKOTA. THIS LINE OF STORMS WAS MOVING SOUTHEAST AT 15 MPH AND HAS BEEN WEAKENING DURING THE PAST HOUR. THE STRONGEST STORM WAS LOCATED ABOUT 15 MILES SOUTHWEST OF ST CLOUD NEAR COLD SPRING AND CONTINUES TO MOVE SLOWLY SOUTH SOUTH EAST AT AROUND 10 MPH. NO SEVERE WEATHER HAS BEEN REPORTED WITH THIS LINE OF STORMS HOWEVER SMALL HAIL...GUSTY WINDS AND BRIEF HEAVY RAINS CAN BE EXPECTED. RAY
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 5:36 PM CDT | Severe Thunderstorm Warning | MPX | Benton | 39 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1994Every severe thunderstorm warning in 1994
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.