Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 1, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 24, 1994, 1:44 PM CDT for Saint Croix County, Wisconsin. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- Apr 24, 1994, 1:44 PM CDT (18:44 UTC)
- Expired
- Apr 24, 1994, 2:30 PM CDT
- In force
- 46 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Saint Croix County, WI
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 6.7 hours before the alert went out and 93 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
- 1686 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSP 241846 SVRMSP WIC109-241930- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 144 PM CDT SUN APR 24 1994 THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 230 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL WISCONSIN ...ST CROIX COUNTY AT 145 PM RADAR INDICATED A SEVERE THUNDERSTORM OVER ST CROIX COUNTY IN WESTERN WISCONSIN. THE STORM WAS LOCATED JUST NORTH OF INTERSTATE 94 NEAR BALDWIN AND ROBERTS...ABOUT 30 MILES EAST OF DOWNTOWN ST PAUL. THIS STORM WILL MOVE JUST NORTH OF INTERSTATE 94 NEAR HERSEY AND GLENNWOOD CITY BY 215 PM. 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 PERIO$DS OF FREQUENT LIGHTNING. DRB
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, Apr 24, 10:13 AM CDT, 3 hours 31 minutes before
MNZ052-053-059>063-065>070-073-WIZ016>018-023>028-241600 SPECIAL WEATHER STATEMENT...CORRECTED FOR CODING NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 1005 AM CDT SUN APR 24 1994 ...SHOWERS AND THUNDERSTORMS BECOMING MORE NUMEROUS... AT 10 AM RADAR INDICATED THAT SHOWERS AND THUNDERSTORMS WERE INCREASING IN COVERAGE ACROSS CENTRAL MINNESOTA AND EXTREME NORTHWEST WISCONSIN. THE HEAVIEST SHOWERS AND THUNDERSTORMS WERE LOCATED ABOUT 30 MILES SOUTHWEST OF DOWNTOWN MINNEAPOLIS AS WELL AS ABOUT 30 MILES NORTHWEST OF DOWNTOWN MINNEAPOLIS. THE SHOWERS AND THUNDERSTORMS SHOULD MOVE INTO THE WESTERN SUBURBS OF THE TWIN CITIES BY 1030 AM. THESE SHOWERS AND THUNDERSTORMS CONTAIN HEAVY RAINzS AND POSSIBLY SOME SMALL HAIL. MITCHELL
Special weather statement, Apr 24, 12:00 PM CDT, 1 hour 44 minutes before
MNZ052-053-059>063-065>070-073-WIZ016>018-023>028-241900- SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 1200 PM CDT SUN APR 24 1994 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 5 PM... AT NOON RADAR INDICATED THAT SHOWERS AND THUNDERSTORMS WERE CONTINUING ACROSS CENTRAL MINNESOTA AND EXTREME NORTHWEST WISCONSIN. THE HEAVIEST SHOWERS AND THUNDERSTORMS EXTENDED FROM ABOUT 25 MILES WEST OF DOWNTOWN MINNEAPOLIS TO ABOUT 20 MILES NORTH OF DOWNTOWN ST PAUL. THE SHOWERS AND THUNDERSTORMS SHOULD REMAIN IN NORTHERN SECTIONS OF THE TWIN CITIES METRO AREA FOR THE NEXT HOUR OR TWO. SEVERAL REPORTS OF HALF INCH HAIL HAVE BEEN RECEIVED SINCE 11 AM...WITH THE MOST RECENT BEING AT NEW HOPE AT 1155 AM. MITCHELL
Special weather statement, Apr 24, 12:20 PM CDT, 1 hour 24 minutes before
MNZ052-053-059>063-065>070-073-WIZ016>018-023>028-241900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 1220 PM CDT SUN APR 24 1994 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 5 PM... SHOWERS AND THUNDERSTORMS WITH HEAVY RAINS AND SMALL HAIL WERE CONTINUING ACROSS PORTIONS OF THE NORTHERN METRO AREA. AT AROUND 1215 PM REPORTS WERE RECEIVED FROM THE MEDICINE LAKE AND FRIDLEY AREAS OF PEA TO MARBLE SIZE HAIL AS WELL AS ONE-HALF INCH OF RAIN IN FRIDLEY SINCE 10 AM. PERSONS IN THE NORTHERN TWIN CITIES METRO AREA SHOULD BE ON THE LOOK OUT FOR HEAVY RAINS AND SMALL HAIL AS THE STORMS MOVE THROUGH. MITCHELL
Special weather statement, Apr 24, 1:02 PM CDT, 42 minutes before
MNZ052-053-059>063-065>070-073-WIZ016>018-023>028-242000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 100 PM CDT SUN APR 24 1994 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 5 PM FOR EAST CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN... VERY HEAVY RAINS ALONG WITH SOME SMALL HAIL CONTINUE ACROSS PARTS OF THE NORTHERN TWIN CITIES METRO AREA. AT AROUND 1225 PM PEA SIZE HAIL WAS REPORTED AT MAHTOMEHDI AND AT 1232 PM PEA SIZE HAIL WAS COVERING THE GROUND AT FRIDLEY. THESE STORMS HAVE ALSO PRODUCED VERY HEAVY RAINS WITH AN INCH OF RAIN ALREADY RECORDED AT FRIDELY. PERSONS IN THE NORTHERN TWIN CITIES METRO AREA SHOULD BE ON THE LOOK OUT FOR HEAVY RAINS WHICH COULD CAUSE LOCALIZED PONDING OF WATER ON ROADWAYS. SMALL HAIL IS ALSO LIKELY WITH THESE THUNDERSTORMS AS THEY MOVE EAST AT 30 MILES AN HOUR. THE STORMS WERE MOVING INTO WEST CENTRAL WISCONSIN WITH STRONG THUNDERSTORMS LIKELY ACROSS ST CROIX COUNTY AND ESPECIALLY THE CITY OF NEW RICHMOND BY 115PM. SES
Special weather statement, Apr 24, 1:24 PM CDT, 20 minutes before
WIC109-241930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 122 PM CDT SUN APR 24 1994 AT 1:20 PM RADAR SHOWED A STRONG THUNDERSTORM MOVING INTO ST CROIX COUNTY IN WESTERN WISCONSIN. AS THIS STORM MOVES THROUGH THE COUNTY LOOK FOR VERY HEAVY RAIN...STRONG WINDS...AND PEA TO MARBLE SIZE HAIL. SOME TOWNS IN ST CROIX COUNTY THAT WILL EXPERIENCE THIS STORM BY 2 PM INCLUDE...NEW RICHMOND...SOMERSET...GLENWOOD CITY. DRB R
Special weather statement, Apr 24, 1:33 PM CDT, 11 minutes before
WIZ109-241930- SPECIAL WEATHER STATEMENT...CORRECTED CODING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 122 PM CDT SUN APR 24 1994 AT 120 PM RADAR SHOWED A STRONG THUNDERSTORM MOVING INTO ST CROIX COUNTY IN WESTERN WISCONSIN. AS THIS STORM MOVES THROUGH THE COUNTY LOOK FOR VERY HEAVY RAIN...STRONG WINDS...AND PEA TO MARBLE SIZE HAIL. SOME TOWNS IN ST CROIX COUNTY THAT WILL EXPERIENCE THIS STORM BY 2 PM INCLUDE...NEW RICHMOND...SOMERSET...GLENWOOD CITY. DRB
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 2:13 PM CDT | Severe Thunderstorm Warning | MPX | Dunn | 47 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.