Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 153, NWS Twin Cities, MN

July 19, 1994Carver County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 19, 1994, 5:27 PM CDT for Carver County, Minnesota. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Jul 19, 1994, 5:27 PM CDT (22:27 UTC)
Expired
Jul 19, 1994, 6:15 PM CDT
In force
48 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Carver County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 10.5 hours before the alert went out and 16 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 1994-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 44 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 1994-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
44 J/kg
Mixed-layer CIN
-204 J/kg
Mixed-layer LCL
892 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMSP 192226 RRA
SVRMSP
MNC019-192315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
527 PM CDT TUE JUL 19 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  615 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MINNESOTA
 
   ...SOUTH AND EAST CARVER COUNTY
 
AT 523 PM CDT A SEVERE THUNDERSTORM WAS INDICATED BY RADAR ABOUT 30
MILES SOUTHWEST OF THE TWIN CITIES. THIS WARNING INCLUDES THE CITIES OF
CHASKA...COLOGNE...NORWOOD AND CHANHASSEN.
 
THIS STORM DOES HAVE THE POTENTIAL TO PRODUCE A TORNADO WITH LITTLE OR
NO WARNING. PEOPLE IN THE WARNED AREA SHOULD SEEK SHELTER IN THE
INTERIOR PORTION OF THE HOUSE OR APARTMENT AWAY FROM WINDOWS.
EDWARDS

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, Jul 19, 3:36 PM CDT, 1 hour 51 minutes before
MNZ004>096-200200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
335 PM CDT TUE JUL 19 1994

...STRONG THUNDERSTORMS STILL EXPECTED OVER SOUTHEAST MINNESOTA
LATE THIS AFTERNOON AND EVENING...

VERY MOIST AND UNSTABLE AIR WILL HELP TRIGGER STRONG THUNDERSTORMS
OVER PORTIONS OF SOUTHERN AND EASTERN MINNESOTA THE REST OF THE AFTERNOON
INTO THE EARLY EVENING.  SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE
WITH LARGE HAIL AND DAMAGING WINDS.

THE BEST CHANCE FOR SEVERE THUNDERSTORMS IS IN EAST CENTRAL AND MUCH
OF SOUTHEAST MINNESOTA.  THE AREA INCLUDES THE TWIN CITIES...ROCHESTER
...ALBERT LEA AND MANKATO.  STRONG THUNDERSTORMS ARE ALSO POSSIBLE
OVER THE REST OF EASTERN AND SOUTHERN MINNESOTA THROUGH 8 PM.

AT 335 PM...STRONG THUNDERSTORMS HAD DEVELOPED RAPIDLY OVER SOUTH CENTRAL
MINNESOTA...NEAR FAIRMONT AND ALBERT LEA.  OTHER THUNDERSTORMS WERE
NEAR NEW ULM AND PRINCETON.  ALL THE STORMS WERE MOVING TO THE EAST
AT 30 MPH.

THIS IS A POTENTIALLY DANGEROUS SITUATION OVER SOUTHEAST AND PARTS OF
EAST CENTRAL MINNESOTA.  IT IS A GOOD TIME TO REVIEW YOUR SEVERE WEATHER
SAFETY RULES.  STAY ABREAST OF THE LATEST FORECASTS FOR YOUR AREA...
AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

KAVINSKY
Special weather statement, Jul 19, 4:24 PM CDT, 1 hour 3 minutes before
MNZ052-053-059>063-065>070-073-192225-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
427 PM CDT TUE JUL 19 1994

...THUNDERSTORMS DEVELOPING RAPIDLY OVER PORTIONS OF EAST CENTRAL
MINNESOTA...

AT 420 PM...A THUNDERSTORM HAD DEVELOPED RAPIDLY OVER NORTHERN
ANOKA AND SOUTHERN ISANTI COUNTIES...OVER THE TOWNS OF BETHEL AND
COOPERS CORNERS OR ABOUT 20 MILES NORTH OF DOWNTOWN MINNEAPOLIS.  THE
THUNDERSTORM WAS MOVING TO THE EAST-NORTHEAST AT 25 MPH.

NO SEVERE WEATHER HAS BEEN REPORTED WITH THIS THUNDERSTORM...HOWEVER IT
HAS THE CAPABILITY OF PRODUCING LARGE HAIL AND DAMAGING WINDS AS IT
TRACKS ACROSS SOUTHERN ISANTI COUNTY...NORTHERN ANOKA COUNTY INTO
SOUTHERN CHISAGO COUNTIES THROUGH 515 PM. SOME TOWNS IN THE PATH OF
THIS THUNDERSTORM INCLUDE WEBER AND STACEY.

STRONG THUNDERSTORMS CAPABLE OF PRODUCING SEVERE WEATHER ARE EXPECTED
ACROSS PORTIONS EAST CENTRAL MINNESOTA INTO WEST CENTRAL WISCONSIN
THROUGH THE EVENING.

REMEMBER...LIGHTNING MAY STRIKE WELL AHEAD OF AN APPROACHING
THUNDERSTORM.  PRECAUTIONS SHOULD BE TAKEN EVEN THOUGH THE THUNDERSTORM
IS NOT DIRECTLY OVERHEAD.

KAVINSKY
Special weather statement, Jul 19, 4:27 PM CDT, 1 hour before
MNZ052-053-059>063-065>070-073-192225-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
427 PM CDT TUE JUL 19 1994

...THUNDERSTORMS DEVELOPING RAPIDLY OVER PORTIONS OF EAST CENTRAL
MINNESOTA...

AT 420 PM...A THUNDERSTORM HAD DEVELOPED RAPIDLY OVER NORTHERN
ANOKA AND SOUTHERN ISANTI COUNTIES...OVER THE TOWNS OF BETHEL AND
COOPERS CORNERS OR ABOUT 20 MILES NORTH OF DOWNTOWN MINNEAPOLIS.  THE
THUNDERSTORM WAS MOVING TO THE EAST-NORTHEAST AT 25 MPH.

NO SEVERE WEATHER HAS BEEN REPORTED WITH THIS THUNDERSTORM...HOWEVER IT
HAS THE CAPABILITY OF PRODUCING LARGE HAIL AND DAMAGING WINDS AS IT
TRACKS ACROSS SOUTHERN ISANTI COUNTY...NORTHERN ANOKA COUNTY INTO
SOUTHERN CHISAGO COUNTIES THROUGH 515 PM. SOME TOWNS IN THE PATH OF
THIS THUNDERSTORM INCLUDE WEBER AND STACEY.

STRONG THUNDERSTORMS CAPABLE OF PRODUCING SEVERE WEATHER ARE EXPECTED
ACROSS PORTIONS EAST CENTRAL MINNESOTA INTO WEST CENTRAL WISCONSIN
THROUGH THE EVENING.

REMEMBER...LIGHTNING MAY STRIKE WELL AHEAD OF AN APPROACHING
THUNDERSTORM.  PRECAUTIONS SHOULD BE TAKEN EVEN THOUGH THE THUNDERSTORM
IS NOT DIRECTLY OVERHEAD.

KAVINSKY
Special weather statement, Jul 19, 4:57 PM CDT, 30 minutes before
MNC019-053-139-143-192300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
500 PM CDT TUE JUL 19 1994

AT 455 PM CDT STRONG THUNDERSTORMS WERE MOVING THROUGH SIBLEY COUNTY OF
EAST CENTRAL MINNESOTA...ABOUT 30 MILES SOUTHWEST OF THE TWIN CITIES.

PEOPLE IN THE CITIES OF GAYLORD AND HENDERSON IN EASTERN SIBLEY COUNTY
CAN EXPECT HEAVY RAIN AND FREQUENT LIGHTNING WITH THIS STORM.

SHORTLY AFTER 500PM THIS STORM WILL MOVE INTO WESTERN SCOTT COUNTY AND
EXTREME SOUTHERN CARVER COUNTY...BETWEEN THE CITIES OF COLOGNE AND NEW
PRAGUE TOWARDS THE CITY OF CHASKA.

IF THIS STORM CONTINUES TO MOVE ON ITS CURRENT TRACK IT WILL APPROACH
THE SOUTHERN SHORES OF LAKE MINNETONKA AROUND 530PM.
EDWARDS
Special weather statement, Jul 19, 5:00 PM CDT, 27 minutes before
MNC019-053-139-143-192300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
500 PM CDT TUE JUL 19 1994

AT 455 PM CDT STRONG THUNDERSTORMS WERE MOVING THROUGH SIBLEY COUNTY OF
EAST CENTRAL MINNESOTA...ABOUT 30 MILES SOUTHWEST OF THE TWIN CITIES.

PEOPLE IN THE CITIES OF GAYLORD AND HENDERSON IN EASTERN SIBLEY COUNTY
CAN EXPECT HEAVY RAIN AND FREQUENT LIGHTNING WITH THIS STORM.

SHORTLY AFTER 500PM THIS STORM WILL MOVE INTO WESTERN SCOTT COUNTY AND
EXTREME SOUTHERN CARVER COUNTY...BETWEEN THE CITIES OF COLOGNE AND NEW
PRAGUE TOWARDS THE CITY OF CHASKA.

IF THIS STORM CONTINUES TO MOVE ON ITS CURRENT TRACK IT WILL APPROACH
THE SOUTHERN SHORES OF LAKE MINNETONKA AROUND 530PM.
EDWARDS
Special weather statement, Jul 19, 5:21 PM CDT, 6 minutes before
MNC003-019-025-053-059-139-143-192330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
523 PM CDT TUE JUL 19 1994

A STRONG THUNDERSTORM CAPABLE OF PRODUCING WIND GUSTS TO 45 MPH IS
MOVING INTO NORTHERN SCOTT COUNTY AND SOUTHERN CARVER COUNTY AT 520 PM
CDT. IT APPEARS THAT STORMS ARE CLUSTERING TO THE SOUTHWEST AND WEST OF
THE TWIN CITIES METRO AREA. PERSONS IN THE WESTERN SECTIONS OF THE METRO
AREA..INCLUDING MINNETONKA...EDEN PRAIRIE AND SHAKOPEE SHOULD BE
PREPARED FOR GUSTY WINDS AND HEAVY RAIN.

MOTORIST AT RUSH HOUR CAN EXPECT TO DRIVE INTO THUNDERSTORMS IN THE
SOUTHWEST METRO AREA BETWEEN 530 AND 600 PM CDT.

SMALL HAIL WAS REPORTED IN GREEN ISLE IN SIBLEY COUNTY AT 520 PM BY THE
COUNTY SHERIFF.

AN UNCONFIRMED REPORT OF FUNNEL CLOUD WAS RECEIVED ABOUT THE SAME TIME
IN NORWOOD IN SOUTHERN CARVER COUNTY.  PEOPLE IN CHASKA SHOULD BE
PREPARED TO MOVE TO SHELTER IF A WARNING IS ISSUED OR THREATENING
WEATHER APPROACHES.
EDWARDS

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 18, 8:13 PM CDTSevere Thunderstorm WarningMPXStearns47 min
Jul 19, 1:31 AM CDTSevere Thunderstorm WarningMPXBenton, Sherburne, Stearns59 min
Jul 19, 1:57 AM CDTSevere Thunderstorm WarningMPXWright48 min
Jul 19, 2:26 AM CDTSevere Thunderstorm WarningMPXCarver, McLeod39 min
Jul 19, 2:37 AM CDTSevere Thunderstorm WarningMPXHennepin54 min
Jul 19, 3:49 PM CDTSevere Thunderstorm WarningMPXBrown, Nicollet41 min
Jul 19, 4:04 PM CDTTornado WarningMPXMille Lacs26 min
Jul 19, 4:15 PM CDTTornado WarningMPXBenton30 min
Jul 19, 4:39 PM CDTTornado WarningMPXAnoka, Chisago, Isanti51 min
Jul 19, 5:31 PM CDTSevere Thunderstorm WarningMPXChisago44 min
Jul 19, 5:48 PM CDTSevere Thunderstorm WarningMPXHennepin42 min
Jul 19, 6:11 PM CDTSevere Thunderstorm WarningMPXChisago49 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.