Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 85, NWS Twin Cities, MN

June 30, 1994Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 30, 1994, 6:55 PM CDT for Wright County, Minnesota. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Jun 30, 1994, 6:55 PM CDT (23:55 UTC)
Expired
Jun 30, 1994, 7:30 PM CDT
In force
35 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Wright County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 11.9 hours before the alert went out and 46 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 1994-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 1994-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
845 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 302355
SVRMSP
MNC171-010030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
655 PM CDT THU JUN 30 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  730 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MINNESOTA
 
   ...SOUTHEASTERN WRIGHT COUNTY
 
...SEVERE THUNDERSTORM WARNING EXTENDED UNTIL 730 PM FOR SOUTHEASTERN
HALF OF WRIGHT COUNTY...
 
THE SEVERE THUNDERSTORM WARNING FOR THE SOUTHEASTERN HALF OF WRIGHT
COUNTY HAS BEEN EXTENDED UNTIL 730 PM.  RADAR CONTINUES TO INDICATE THAT
SEVERE THUNDERSTORMS WILL MOVE THROUGH THE SOUTHEASTERN PORTION OF
WRIGHT COUNTY UNTIL 730 PM.
 
THESE SEVERE THUNDERSTORMS HAVE A HISTORY OF PRODUCING LARGE HAIL AND
GUSTY WINDS.
 
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.
 
LUSSKY
 
&

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, Jun 30, 6:03 PM CDT, 52 minutes before
MNZ042>044-046-048>051-054>058-064-302330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
605 PM CDT THU JUN 30 1994

...SEVERE THUNDERSTORM WARNING FOR MEEKER COUNTY UNTIL 630 PM...

AT 600 PM RADAR SHOWED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM
ABOUT 10 MILES NORTHEAST OF ST CLOUD SOUTHWEST TO REDWOOD FALLS
MINNESOTA.

THESE THUNDERSTORMS WERE MOVING EAST AT 30 MPH. THESE STORMS SHOULD
MOVE INTO CLEAR LAKE IN SHERBURNE COUNTY BY 615 PM AND HUTCHINSON
IN MCLEOD COUNTY BY 630 PM.

THESE STORMS ARE CAPABLE OF PRODUCING BRIEF PERIODS OF RAIN...LARGE
HAIL...FREQUENT CLOUD TO GROUND LIGHTNING STRIKES AND  GUSTY WINDS.

PERSONS IN THE PATH OF THESE STORMS SHOULD BE PREPARED TO SEEK
SHELTER IF NECESSARY. LISTEN TO NOAA WEATHER RADIO FOR UPDATES.

FRASER
Special weather statement, Jun 30, 6:05 PM CDT, 50 minutes before
MNZ042>044-046-048>051-054>058-064-302330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
605 PM CDT THU JUN 30 1994

...SEVERE THUNDERSTORM WARNING FOR MEEKER COUNTY UNTIL 630 PM...

AT 600 PM RADAR SHOWED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM
ABOUT 10 MILES NORTHEAST OF ST CLOUD SOUTHWEST TO REDWOOD FALLS
MINNESOTA.

THESE THUNDERSTORMS WERE MOVING EAST AT 30 MPH. THESE STORMS SHOULD
MOVE INTO CLEAR LAKE IN SHERBURNE COUNTY BY 615 PM AND HUTCHINSON
IN MCLEOD COUNTY BY 630 PM.

THESE STORMS ARE CAPABLE OF PRODUCING BRIEF PERIODS OF RAIN...LARGE
HAIL...FREQUENT CLOUD TO GROUND LIGHTNING STRIKES AND  GUSTY WINDS.

PERSONS IN THE PATH OF THESE STORMS SHOULD BE PREPARED TO SEEK
SHELTER IF NECESSARY. LISTEN TO NOAA WEATHER RADIO FOR UPDATES.

FRASER
Local storm report, Jun 30, 6:15 PM CDT, 40 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
615 PM CDT THU JUN 30 1994

PRELIMINARY REPORT FOR 30 JUN 94

603 PM      QUARTER SIZE (1 INCH) HAIL COVERED THE GROUND. 6 MILES
            SOUTH OF LITCHFIELD MINNESOTA...ABOUT 40 MILES SOUTHWEST
            OF ST CLOUD.

FRASER
Local storm report, Jun 30, 6:16 PM CDT, 39 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST CLOUD MN
615 PM CDT THU JUN 30 1994

PRELIMINARY REPORT FOR 30 JUN 94

603 PM      QUARTER SIZE (1 INCH) HAIL COVERED THE GROUND. 6 MILES
            SOUTH OF LITCHFIELD MINNESOTA...ABOUT 40 MILES SOUTHWEST
            OF ST CLOUD.

FRASER
Special weather statement, Jun 30, 6:50 PM CDT, 5 minutes before
MNZ042>044-046-048>051-054>058-064-010015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
650 PM CDT THU JUN 30 1994

...SEVERE THUNDERSTORM WARNING FOR MEEKER COUNTY HAS EXPIRED...

THE LINE OF THUNDERSTORMS THAT MOVED THROUGH CENTRAL MINNESOTA IS
NOW LOCATED FROM MILACA IN MILLE LACS COUNTY SOUTHWARD TO THE
NORTHWESTERN SUBURBS OF THE TWIN CITIES.

AT 645 THE STRONGEST STORM WAS LOCATED NEAR BUFFALO IN WRIGHT COUNTY.

PARKIN
Special weather statement, Jun 30, 6:52 PM CDT, 3 minutes before
MNZ042>044-046-048>051-054>058-064-010015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
650 PM CDT THU JUN 30 1994

...SEVERE THUNDERSTORM WARNING FOR MEEKER COUNTY HAS EXPIRED...

THE LINE OF THUNDERSTORMS THAT MOVED THROUGH CENTRAL MINNESOTA IS
NOW LOCATED FROM MILACA IN MILLE LACS COUNTY SOUTHWARD TO THE
NORTHWESTERN SUBURBS OF THE TWIN CITIES.

AT 645 THE STRONGEST STORM WAS LOCATED NEAR BUFFALO IN WRIGHT COUNTY.

PARKIN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 5:22 PM CDTSevere Thunderstorm WarningMPXStearns38 min
Jun 30, 5:43 PM CDTSevere Thunderstorm WarningMPXMeeker47 min
Jun 30, 5:46 PM CDTSevere Thunderstorm WarningMPXRenville59 min
Jun 30, 6:08 PM CDTSevere Thunderstorm WarningMPXWright52 min
Jun 30, 6:30 PM CDTSevere Thunderstorm WarningMPXMcLeod60 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.