Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 34, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 30, 1994, 3:46 PM CDT for Polk County, Wisconsin. It was in force for 44 min.
The area
The counties it named.
The facts
- Issued
- May 30, 1994, 3:46 PM CDT (20:46 UTC)
- Expired
- May 30, 1994, 4:30 PM CDT
- In force
- 44 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Polk County, WI
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 8.8 hours before the alert went out and 113 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
- 1954 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 197 m²/s²
- 0-3 km storm-relative helicity
- 262 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KMSP 302045 SVRMPX WIC095-302130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 346 PM CDT MON MAY 30 1994 THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL WISCONSIN ...POLK COUNTY AT 345 PM CDT...RADAR DETECTS A SEVERE THUNDERSTORM NEAR LINDSTROM IH CENTRAL CHICAGO COUNTY OR...30 MILES NORTHEAST OF DOWNTOWN ST. PAUL. THE STORM IS MOVING EAST AT 30 MPH. CITIES IN THE PATH OF THIS STORM INCLUDE ST. CROIX FALLS...CENTURIA...AND BALSAM LAKE. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...LARGE HAIL... DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM. PEOPLE IN MOBILE HOMES SHOULD GO TO A STORM SHELTER. WHEN SEVERE THUNDERSTORMS ARE OCCURRING...STAY INSIDE A STRONG BUILDING. PROTECT YOURSELF FROM DAMAGING WINDS OR HAIL BY KEEPING AWAY FROM WINDOWS. LISTEN TO YOUR RADIO OR TELEVISION... BUT TURN OFF ALL OTHER ELECTRICAL APPLIANCES. DO NOT USE THE PHONE DURING PERIODS OF FREQUENT LIGHTNING. WET
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, May 30, 2:50 PM CDT, 56 minutes before
MNZ004>096-302300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 250 PM CDT MON MAY 30 1994 ...THUNDERSTORMS RAPIDLY DEVELOPING WEST OF THE TWIN CITIES... ...TORNADO WATCH VALID FOR THE TWIN CITES AREA UNTIL 10 PM CDT... A POWERFUL LINE OF THUNDERSTORMS FROM NORTHEAST OF MILLE LACS SOUTHWARD TO NEAR MONTICELLO IS SHOWING SIGNS OF RAPIDLY FILLING IN TO THE WEST OF THE TWIN CITIES METRO AREA. TOWARDS THE SOUTH END OF THIS LINE...MARBLE SIZE HAIL WAS REPORTED AROUND 235 PM ABOUT 5 MILES WEST OF PRINCETON MINNESOTA. BOATERS ON AREA LAKES SHOULD PLAN AHEAD AND BE ABLE TO QUICKLY GET TO SHORE ONCE THESE THUNDERSTORMS MOVE INTO THE WESTERN METRO AREA. THIS LINE OF THUNDERSTORMS WILL LIKELY BRING WIND GUSTS IN EXCESS OF 50 MPH ...HAIL AND DEADLY LIGHTNING STRIKES INTO THE WESTERN TWIN CITES METRO AREA SOMETIME BETWEEN 4 PM AND 5 PM TODAY. WET
Special weather statement, May 30, 2:52 PM CDT, 54 minutes before
MNZ004>096-302300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 250 PM CDT MON MAY 30 1994 ...THUNDERSTORMS RAPIDLY DEVELOPING WEST OF THE TWIN CITIES... ...TORNADO WATCH VALID FOR THE TWIN CITES AREA UNTIL 10 PM CDT... A POWERFUL LINE OF THUNDERSTORMS FROM NORTHEAST OF MILLE LACS SOUTHWARD TO NEAR MONTICELLO IS SHOWING SIGNS OF RAPIDLY FILLING IN TO THE WEST OF THE TWIN CITIES METRO AREA. TOWARDS THE SOUTH END OF THIS LINE...MARBLE SIZE HAIL WAS REPORTED AROUND 235 PM ABOUT 5 MILES WEST OF PRINCETON MINNESOTA. BOATERS ON AREA LAKES SHOULD PLAN AHEAD AND BE ABLE TO QUICKLY GET TO SHORE ONCE THESE THUNDERSTORMS MOVE INTO THE WESTERN METRO AREA. THIS LINE O6F THUNDERSTORMS WILL LIKELY BRING WIND GUSTS IN EXCESS OF 50 MPH ...HAIL AND DEADLY LIGHTNING STRIKES INTO THE WESTERN TWIN CITES METRO AREA SOMETIME BETWEEN 4 PM AND 5 PM TODAY. WET
Local storm report, May 30, 3:15 PM CDT, 31 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
315 PM CDT MON MAY 30 1994
TIME EVENTY
300 PM CDT GOLF BALL SIZE HAIL NEAR BIG LAKE MN...SHERBURNE COUNTY
WALL CLOUD NEAR BECKER IN SHERBURNE COUNTY.
300 PM CDT DIME SIZE HAIL NEAR PRINCETON IN MILLE LACS COUNTY.
FRASERLocal storm report, May 30, 3:34 PM CDT, 12 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
315 PM CDT MON MAY 30 1994
TIME EVENTY
300 PM CDT GOLF BALL SIZE HAIL NEAR BIG LAKE MN...SHERBURNE COUNTY
WALL CLOUD N>EAR BECKER IN SHERBURNE COUNTY.
300 PM CDT DIME SIZE HAIL NEAR PRINCETON IN MILLE LACS COUNTY.
FRASERSpecial weather statement, May 30, 3:40 PM CDT, 6 minutes before
MNZ042>043-046-048>051-054>058-064-302130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 340 PM CDT MON MAY 30 1994 ...SEVERE THUNDERSTORM WARNING FOR SHERBURNE COUNTY CANCELLED... THE SEVERE THUNDERSTORM THAT MOVED THROUGH SOUTHERN SHERBURNE COUNTY HAS MOVED EAST. THE STORM PRODUCED GOLF BALL SIZE HAIL NEAR BIG LAKE AND A WALL CLOUD NEAR BECKER. PORTIONS OF EAST CENTRAL MINNESOTA REMAIN IN A TORNADO WATCH UNTIL 10 PM. PERSONS IN THE WATCH AREA SHOULD CONTINUE TO BE AWARE OF POSSIBLE ADVERSE WEATHER CONDTIONS. PARKIN
Special weather statement, May 30, 3:42 PM CDT, 4 minutes before
MNZ042>043-046-048>051-054>058-064-302130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 340 PM CDT MON MAY 30 1994 ...SEVERE THUNDERSTORM WARNING FOR SHERBURNE COUNTY CANCELLED... THE SEVERE THUNDERSTORM THAT MOVED THROUGH SOUTHERN SHERBURNE COUNTY HAS MOVED EAST. THE STORM PRODUCED GOLF BALL SIZE HAIL NEAR BIG LAKE AND A WALL CLOUD NEAR BECKER. PORTIONS OF EAST CENTRAL MINNESOTA REMAjIN IN A TORNADO WATCH UNTIL 10 PM. PERSONS IN THE WATCH AREA SHOULD CONTINUE TO BE AWARE OF POSSIBLE ADVERSE WEATHER CONDTIONS. PARKIN
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 4:06 PM CDT | Tornado Warning | MPX | Polk | 54 min |
| May 30, 4:27 PM CDT | Tornado Warning | MPX | Saint Croix | 48 min |
| May 30, 5:09 PM CDT | Tornado Warning | MPX | Pierce, Saint Croix | 36 min |
| May 30, 5:22 PM CDT | Severe Thunderstorm Warning | MPX | Dunn | 68 min |
| May 30, 5:45 PM CDT | Tornado Warning | MPX | Pierce, Saint Croix | 30 min |
| May 30, 6:08 PM CDT | Severe Thunderstorm Warning | MPX | Pepin, Pierce | 67 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 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.