Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 150, NWS Twin Cities, MN

July 19, 1994Carver County, McLeod County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 19, 1994, 2:26 AM CDT for Carver County, McLeod County, Minnesota. It was in force for 39 min.

The area

The counties it named.

The facts

Issued
Jul 19, 1994, 2:26 AM CDT (07:26 UTC)
Expired
Jul 19, 1994, 3:05 AM CDT
In force
39 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Carver County, MN, McLeod County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 7.4 hours before the alert went out and 35 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 00:00Z on 1994-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 600 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 00:00Z on 1994-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 square meters per square second.193958Sfc1 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
600 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
1060 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
291 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.9

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KMSP 190726 RRA
SVRMSP
MNC085-019-190815-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
226 AM CDT TUE JUL 19 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  315 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MINNESOTA
 
   ...EASTERN MCLEOD COUNTY
 
IN EAST CENTRAL MINNESOTA
 
   ...CARVER COUNTY
 
AT 222 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
DEVELOPING OVER EASTERN MC LEOD AND WESTERN CARVER COUNTIES.
 
THE STORMS EXTENDED FROM WATERTOWN TO PLATO. THESE TOWNS ARE 30 MILES
WEST OF DOWNTOWN MINNEAPOLIS. MOVEMENT WAS TO THE SOUTHEAST AT 20 MILES
AN HOUR TOWARDS THE TOWNS OF HOLLYWOOD...WACONIA...HAMBURG...AND
COLOGNE.
 
AS THESE STORMS MOVED THROUGH MAPLE LAKE IN WRIGHT COUNTY...TREES WERE
BLOWN DOWN.
 
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.
 
KRC/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, Jul 19, 1:15 AM CDT, 1 hour 11 minutes before
MNZ004>096-190700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
115 AM CDT TUE JUL 19 1994

...SEVERE THUNDERSTORM WATCH NUMBER 631 FOR NORTHWEST MINNESOTA
CANCELLED...

THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR NORTHWEST
MINNESOTA UNTIL 3 AM THIS MORNING HAS BEEN CANCELLED.  THUNDERSTORMS
IN THIS AREA HAVE MOVED EASTWARD AND GENERALLY DECREASED IN INTENSITY
SINCE LATE MONDAY EVENING.

AS OF 110 AM...THUNDERSTORMS PERSISTED ALONG A LINE FROM NEAR BEMIDJI
TO GULL LAKE TO LITTLE FALLS TO JUST NORTHWEST OF ST CLOUD.  WEATHER
RADAR INDICATED THAT THE STRONGEST OF THESE STORMS WERE ALONG THAT
PORTION OF THE LINE FROM JUST WEST OF GULL LAKE TO NEAR ST CLOUD.

WHILE NO SEVERE WEATHER WATCHES ARE CURRENTLY IN EFFECT OVER THE
STATE...CONDITIONS STILL REMAIN FOR THE POTENTIAL DEVELOPMENT OF
LOCALIZED HEAVY RAIN AND ISOLATED OCCURRENCES OF SEVERE WEATHER
DURING THE EARLY MORNING HOURS.  IN PARTICULAR...THE CENTRAL AND EAST
CENTRAL PORTIONS OF MINNESOTA APPEAR MOST SUSCEPTIBLE TO HEAVY
WEATHER UNTIL AT LEAST 300 AM.

LUSSKY
Special weather statement, Jul 19, 1:21 AM CDT, 1 hour 5 minutes before
MNZ004>096-190700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
115 AM CDT TUE JUL 19 1994

...SEVERE THUNDERSTORM WATCH NUMBER 631 FOR NORTHWEST MINNESOTA
CANCELLED...

THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR NORTHWEST
MINNESOTA UNTIL 3 AM THIS MORNING HAS BEEN CANCELLED.  THUNDERSTORMS
IN THIS AREA HAVE MOVED EASTWARD AND GENERALLY DECREASED IN INTENSITY
SINCE LATE MONDAY EVENING.

AS OF 110 AM...THUNDERSTORMS PERSISTED ALONG A LINE FROM NEAR BEMIDJI
TO GULL LAKE TO LITTLE FALLS TO JUST NORTHWEST OF ST CLOUD.  WEATHER
RADAR INDICATED THAT THE STRONGEST OF THESE STORMS WERE ALONG THAT
PORTION OF THE LINE FROM JUST WEST OF GULL LAKE TO NEAR ST CLOUD.

WHILE NO SEVERE WEATHER WATCHES ARE CURRENTLY IN EFFECT OVER THE
STATE...CONDITIONS STILL REMAIN FOR THE POTENTIAL DEVELOPMENT OF
LOCALIZED HEAVY RAIN AND ISOLATED OCCURRENCES OF SEVERE WEATHER
DURING THE EARLY MORNING HOURS.  IN PARTICULAR...THE CENTRAL AND EAST
CENTRAL PORTIONS OF MINNESOTA APPEAR MOST SUSCEPTIBLE TO HEAVY
WEATHER UNTIL AT LEAST 300 AM.

LUSSKY
Special weather statement, Jul 19, 1:34 AM CDT, 52 minutes before
MNZ059-060-065-066-067-068-073-190730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
134 AM CDT TUE JUL 19 1994

AT 130 AM RADAR SHOWED A LINE OF STRONG THUNDERSTORMS RAPIDLY
DEVELOPING OVER CENTRAL MINNESOTA. THE LINE EXTENDED FROM JUST WEST
OF ST CLOUD TO LITCHFIELD TO JUST WEST OF HUTCHINSON.

THE STORMS WERE DEVELOPING VERY QUICKLY AND HAVE THE POTENTIAL TO
PRODUCE STRONG WINDS...HAIL...AND VERY HEAVY RAINFALL.

THE STORMS WERE MOVING SOUTHEAST AT 15 TO 20 MPH TOWARD WRIGHT AND
MCLEOD COUTNIES.  THESE STORMS WILL MOVE THROUGH THE CITIES OF
CLEARWATER...ANNANDALE...COKATO...AND HUTCHINSON BEFORE 215 AM.

IF STORMS APPROACH YOUR AREA...BE PREPARED TO MOVE TO A PLACE OF
SAFETY QUICKLY.  AVOID THE USE OF TELEPHONES OR ELECTRICAL A
PPLIANCES DURING LIGHTNING ACTIVITY.

DRB
Special weather statement, Jul 19, 1:35 AM CDT, 51 minutes before
MNZ059-060-065-066-067-068-073-190730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
134 AM CDT TUE JUL 19 1994

AT 130 AM RADAR SHOWED A LINE OF STRONG THUNDERSTORMS RAPIDLY
DEVELOPING OVER CENTRAL MINNESOTA. THE LINE EXTENDED FROM JUST WEST
OF ST CLOUD TO LITCHFIELD TO JUST WEST OF HUTCHINSON.

THE STORMS WERE DEVELOPING VERY QUICKLY AND HAVE THE POTENTIAL TO
PRODUCE STRONG WINDS...HAIL...AND VERY HEAVY RAINFALL.

THE STORMS WERE MOVING SOUTHEAST AT 15 TO 20 MPH TOWARD WRIGHT AND
MCLEOD COUTNIES.  THESE STORMS WILL MOVE THROUGH THE CITIES OF
CLEARWATER...ANNANDALE...COKATO...AND HUTCHINSON BEFORE 215 AM.

IF STORMS APPROACH YOUR AREA...BE PREPARED TO MOVE TO A PDLACE OF
SAFETY QUICKLY.  AVOID THE USE OF TELEPHONES OR ELECTRICAL A
PPLIANCES DURING LIGHTNING ACTIVITY.

DRB
Local storm report, Jul 19, 1:45 AM CDT, 41 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
145 AM CDT TUE JUL 19 1994

PRELIMINARY REPORT FOR 19 JUL 94

140   AM      STEARNS COUNTY...CITY OF ST CLOUD...3/4 TO 1 INCH HAIL.

RAY
Local storm report, Jul 19, 1:49 AM CDT, 37 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
145 AM CDT TUE JUL 19 1994

PRELIMINARY REPORT FOR 19 JUL 94

140   AM      STEARNS COUNTY...CITY OF ST CLOUD...3/4 TO 1 INCH HAIL.

RAY

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, 2:37 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, 5:27 PM CDTSevere Thunderstorm WarningMPXCarver48 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.