Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 147, NWS Twin Cities, MN

July 18, 1994Stearns County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 18, 1994, 8:13 PM CDT for Stearns County, Minnesota. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Jul 18, 1994, 8:13 PM CDT (01:13 UTC)
Expired
Jul 18, 1994, 9:00 PM CDT
In force
47 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Stearns County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 1.2 hours before the alert went out and 111 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 KSTC 190113 RRA
SVRSTC
MNC145-190200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA
813 PM CDT MON JUL 18 1994
 
THE NATIONAL WEATHER SERVICE IN ST CLOUD MINNESOTA  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MINNESOTA
 
   ...EASTERN STEARNS COUNTY
 
AT 810 PM RADAR INDICATED A STRONG THUNDERSTORM JUST EAST OF MELROSE
WHICH IS 32 MILES NORTHWEST OF ST CLOUD. THIS STORM IS MOVING TO THE
SOUTHEAST AT 20 TO 25 MPH. SOME CITIES IN THE PATH OF THIS STORM INCLUDE
ALBANY...AVON...AND ST CLOUD.
 
 
 
IF OUTSIDE..FIND A STRONG BUILDING.  DO NOT SEEK SHELTER UNDER TREES.
STAY INDOORS AWAY FROM WINDOWS.  DO NOT USE ELECTRICAL APPLIANCES.
 
 
PARKIN
NNNN

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 18, 5:47 PM CDT, 2 hours 26 minutes before
MNZ046-054>058-064>067-073-075-190000

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
544 PM CDT MON JUL 18 1994

...SEVERE THUNDERSTORM WATCH CANCELED FOR PART OF THE SOUTHWEST...

THE SEVERE THUNDERSTORM WATCH FOR MUCH OF SOUTH CENTRAL AND SOUTHWEST
MINNESOTA HAS BEEN CANCELED NORTH OF A MANKATO TO MARSHALL LINE.
THE REMAINDER OF THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT
UNTIL 9 PM CDT.

THE SEVERE STORMS MOVING THROUGH SOUTHWEST AND SOUTH CENTRAL MINNESOTA
HAVE PRODUCED WIND GUSTS TO 64 MPH IN JACKSON...AND NUMEROUS REPORTS
HAVE BEEN RECEIVED OF GOLF BALL SIZED HAIL.

DRB

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES.Z..LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.
TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.

KAVINSKY
Special weather statement, Jul 18, 5:48 PM CDT, 2 hours 25 minutes before
MNZ046-054>058-064>067-073-075-190000

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
544 PM CDT MON JUL 18 1994

...SEVERE THUNDERSTORM WATCH CANCELED FOR PART OF THE SOUTHWEST...

THE SEVERE THUNDERSTORM WATCH FOR MUCH OF SOUTH CENTRAL AND SOUTHWEST
MINNESOTA HAS BEEN CANCELED NORTH OF A MANKATO TO MARSHALL LINE.
THE REMAINDER OF THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT
UNTIL 9 PM CDT.

THE SEVERE STORMS \MOVING THROUGH SOUTHWEST AND SOUTH CENTRAL MINNESOTA
HAVE PRODUCED WIND GUSTS TO 64 MPH IN JACKSON...AND NUMEROUS REPORTS
HAVE BEEN RECEIVED OF GOLF BALL SIZED HAIL.

DRB
Special weather statement, Jul 18, 7:15 PM CDT, 58 minutes before
MNZ046-054>058-064>067-071>076-080>092-190200

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
715 PM CDT MON JUL 18 1994

...SEVERE THUNDERSTORM WATCH CANCELED FOR ALL OF MINNESOTA...

THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR MUCH OF SOUTH
CENTRAL AND SOUTHWEST MINNESOTA HAS BEEN CANCELED.  AT 715 PM THE SEVERE
WEATHER THAT THREATENED SOUTHWEST AND SOUTH CENTRAL MINNESOTA HAS
MOVED SOUTH OF THE STATE.

THE POTENTIAL FOR ADDITIONAL THUNDERSTORM DEVELOPMENT REMAINS LIKELY
FOR MUCH OF THE STATE TONIGHT.  HOWEVER...AT THIS TIME NO SEVERE WEATHER
WATCHES ARE IN EFFECT ANYWHERE IN THE GOPHER STATE.
DRB
Special weather statement, Jul 18, 7:21 PM CDT, 52 minutes before
MNZ046-054>058-064>067-071>076-080>092-190200

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
715 PM CDT MON JUL 18 1994

...SEVERE THUNDERSTORM WATCH CANCELED FOR ALL OF MINNESOTA...

THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR MUCH OF SOUTH
CENTRAL AND SOUTHWEST MINNESOTA HAS BEEN CANCELED.  AT 715 PM THE SEVERE
WEATHER THAT THREATENED SOUTHWEST AND SOUTH CENTRAL MINNESOTA HAS
MOVED SOUTH OF THE STATE.

THE PPOTENTIAL FOR ADDITIONAL THUNDERSTORM DEVELOPMENT REMAINS LIKELY
FOR MUCH OF THE STATE TONIGHT.  HOWEVER...AT THIS TIME NO SEVERE WEATHER
WATCHES ARE IN EFFECT ANYWHERE IN THE GOPHER STATE.
DRB
Special weather statement, Jul 18, 7:49 PM CDT, 24 minutes before
MNZ042>044-046-048>051-054>058-064-190200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
750 PM CDT MON JUL 18 1994

...STRONG THUNDERSTORMS MOVING THROUGH CENTRAL MINNESOTA...

AT 745 PM AN AREA OF THUNDERSTORMS WAS LOCATED OVER ALL OF TODD
COUNTY AND THE EASTERN TWO THIRDS OF STEARNS COUNTY. THESE STORMS
WERE MOVING TO THE SOUTHEAST AT 20 TO 25 MPH AND ARE CAPABLE
OF PRODUCING HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS.

PERSON2S IN THE CITIES OF LONG PRAIRIE...ALBANY...COLD SPRING...
AND ST CLOUD CAN EXPECT TO SEE THESE STORMS IN THEIR AREA BEFORE
9 PM.

PARKIN
Special weather statement, Jul 18, 7:50 PM CDT, 23 minutes before
MNZ042>044-046-048>051-054>058-064-190200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
750 PM CDT MON JUL 18 1994

...STRONG THUNDERSTORMS MOVING THROUGH CENTRAL MINNESOTA...

AT 745 PM AN AREA OF THUNDERSTORMS WAS LOCATED OVER ALL OF TODD
COUNTY AND THE EASTERN TWO THIRDS OF STEARNS COUNTY. THESE STORMS
WERE MOVING TO THE SOUTHEAST AT 20 TO 25 MPH AND ARE CAPABLE
OF PRODUCING HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS.

PERSONS IN THE CITIES OF LONG PRAIRIE...ALBANY...COLD SPRING...
AND ST CLOUD CAN EXPECT TO SEE THESE STORMS IN THEIR AREA BEFORE
9 PM.

PARKIN

The office that day

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

IssuedProductOfficeCountiesLasted
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, 5:27 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.