Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 50, NWS Twin Cities, MN

June 10, 1994Blue Earth County, Nicollet County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 10, 1994, 1:12 PM CDT for Blue Earth County, Nicollet County, Minnesota. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
Jun 10, 1994, 1:12 PM CDT (18:12 UTC)
Expired
Jun 10, 1994, 1:45 PM CDT
In force
33 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Blue Earth County, MN, Nicollet County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 6.2 hours before the alert went out and 85 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 1994-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 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 1994-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 259 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
11 J/kg
Mixed-layer CIN
-131 J/kg
Mixed-layer LCL
1904 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
259 m²/s²
0-3 km storm-relative helicity
281 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 
WUUS1 KRST 101815 RRA
SVRRST
MNC013-103-101900-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
112 PM CDT FRI JUN 10 1994
 
THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  200 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL MINNESOTA
 
   ...BLUE EARTH COUNTY...SOUTHERN NICOLLET COUNTY
 
AT 110 PM...A LINE OF SEVERE THUNDERSTORMS WAS IN SOUTHERN NICOLLET AND
NORTHERN BLUE EARTH COUNTY OF SOUTH CENTRAL MINNESOTA. PEA TO MARBLE
SIZE HAIL AND VERY HEAVY RAINFALL WAS OCCURRING IN THE CITY OF MANKATO.
EXPECT THE TOWNS OF GOOD THUNDER AND ST. CLAIR TO SEE THESE SEVERE
THUNDERSTORMS BY 13OPM.
 
JT
 
 
 
 
&

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 10, 11:15 AM CDT, 1 hour 57 minutes before
MNC019-053-139-143-101715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1112 AM CDT FRI JUN 10 1994

AT 1100 AM RADAR INDICATED STORNG THUNDERSTORMS OVER WESTERN SIBLEY
COUNTY OR ABOUT 25 MILES EAST OF REDWOOD FALLS. THESE THUNDERSTORMS WERE
NOVING EAST..NORTHEAST AT 30 MPH AND WILL AFFECT THE CITIES OF
WINTHROP..GAYLORD..ARLINGTON..AND GLENCOE..IN SIBLEY AND CARVER COUNTIES
THROUGH 1200 PM.

SOME HAIL..GUSTY WINDS AND FREQUENT LIGHTNING ARE POSSIBLE WITH THESE
THUNDERSTORMS.

IN ADDITION..THESE THUNDERSTORMS MAY BEGIN TO AFFECT SOUTHWEST PORTIONS
OF THE TWIN CITIES SUBURBS..INCLUDING CARVER...SCOTT AND WESTERN
HENNEPIN COUNTIES BY 1230 OR 1 PM.
JPR

(
Special weather statement, Jun 10, 11:19 AM CDT, 1 hour 53 minutes before
MNC019-053-139-143-101715-

SPECIAL WEATHER STATEMENT..CORRECTION FOR SPELLING FIRST SENTENCE
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1112 AM CDT FRI JUN 10 1994

AT 1100 AM RADAR INDICATED STRONG THUNDERSTORMS OVER WESTERN SIBLEY
COUNTY OR ABOUT 25 MILES EAST OF REDWOOD FALLS. THESE THUNDERSTORMS WERE
NOVING EAST..NORTHEAST AT 30 MPH AND WILL AFFECT THE CITIES OF
WINTHROP..GAYLORD..ARLINGTON..AND GLENCOE..IN SIBLEY AND CARVER COUNTIES
THROUGH 1200 PM.

SOME HAIL..GUSTY WINDS AND FREQUENT LIGHTNING ARE POSSIBLE WITH THESE
THUNDERSTORMS.

IN ADDITION..THESE THUNDERSTORMS MAY BEGIN TO AFFECT SOUTHWEST PORTIONS
OF THE TWIN CITIES SUBURBS..INCLUDING CARVER...SCOTT AND WESTERN
HENNEPIN COUN4TIES BY 1230 OR 1 PM.
JPR
Special weather statement, Jun 10, 12:22 PM CDT, 50 minutes before
MNC019-053-139-143-101715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1222 PM CDT FRI JUN 10 1994

AT 1218 PM PEA SIZE HAIL WAS REPORTED AT BELLE PLAINE WHICH IS ABOUT
30 MILES SOUTHWEST OF THE TWIN CITIES.

WEATHER RADAR INDICATED A VERY STRONG THUNDERSTORM APPROACHING JORDAN
IN SCOTT COUNTY ABOUT 25 MILES SOUTHWEST OF MINNEAPOLIS.  THIS STORM
WILL LIKELY PRODUCE HAIL UP TO A HALF INCH IN DIAMETER ALONG WITH
BRIEF HEAVY RAIN.

PERSONS IN THE SOUTHERN METRO AREA OF THE TWIN CITIES CAN EXPECT
THIS THUNDERSTORM TO MOVE THROUGH BETWEEN 1225 AND 130 PM CDT.
EDWARDS
Special weather statement, Jun 10, 12:23 PM CDT, 49 minutes before
MNC019-053-139-143-101715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1222 PM CDT FRI JUN 10 1994

AT 1218 PM PEA SIZE HAIL WAS REPORTED AT BELLE PLAINE WHICH IS ABOUT
30 MILES SOUTHWEST OF THE TWIN CITIES.

WEATHER RADAR INDICATED A VERY STRONG THUNDERSTORM APPROACHING JORDAN
IN SCOTT COUNTY ABOUT 25 MILES SOUTHWEST OF MINNEAPOLIS.  THIS STORM
WILL LIKELY PRODUCE HAIL UP TO A HALF INCH IN DIAMETER ALONG WITH
BRIEF HEAVY RA`IN.

PERSONS IN THE SOUTHERN METRO AREA OF THE TWIN CITIES CAN EXPECT
THIS THUNDERSTORM TO MOVE THROUGH BETWEEN 1225 AND 130 PM CDT.
EDWARDS
Special weather statement, Jun 10, 12:54 PM CDT, 18 minutes before
MNC019-053-139-143-060-061-101835-

SPECIAL WEATHER STATEMENT...CORRECTION CHANGED TIME TO 1251 PM
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1254 PM CDT FRI JUN 10 1994

AT 1251 PM WINDS GUSTED TO 50 MILES AN HOUR AT THE MINNEAPOLIS
INTERNATIONAL AIRPORT.  THE THUNDERSTORM PRODUCING THE STRONG WIND
WAS MOVING EAST AT 25 MPH.

PERSONS TO IN THE EASTERN AND SOUTHERN SECTIONS OF THE METRO
AREA CAN EXPECT STRONG WINDS...BRIEF HEAVY RAINS AND PERHAPS
SOME SMALL HAIL AS THE STORM MOVES THROUGH BETWEEN 1255 PM AND
130 PM CDT.

ADDITIONAL THUNDERSTORMS CONTINUED TO DEVELOP OVER SOUTH CENTRAL
AND SOUTHEAST MINNESOTA.
Special weather statement, Jun 10, 12:55 PM CDT, 17 minutes before
MNC019-053-139-143-060-061-101835-

SPECIAL WEATHER STATEMENT...CORRECTION CHANGED TIME TO 1251 PM
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1254 PM CDT FRI JUN 10 1994

AT 1251 PM WINDS GUSTED TO 50 MILES AN HOUR AT THE MINNEAPOLIS
INTERNATIONAL AIRPORT.  THE THUNDERSTORM PRODUCING THE STRONG WIND
WAS MOVING EAST AT 25 MPH.

PERSONS TO IN THE EASTERN AND SOUTHERN SECTIONS OF THE METRO
AREA CAN EXPECT STRONG WINDS...BRIEF HEAVY RAINS AND PERHAPS
SOME SMALL HAIL AS THE STORM MOVES THROUGH BETWEEN 1255 PM AND
130 PM CDT.

ADDITIONAL THUNDERSTORMS CONTINUED TO DEVELOP OVER SOUTH CENTRAL
AND SOUTHEAST MINNESOTA.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 12:56 PM CDTSevere Thunderstorm WarningMPXDakota, Ramsey, Washington49 min
Jun 10, 12:56 PM CDTSevere Thunderstorm WarningMPXHennepin49 min
Jun 10, 3:04 PM CDTSevere Thunderstorm WarningMPXFillmore, Olmsted41 min
Jun 10, 3:30 PM CDTSevere Thunderstorm WarningMPXWinona30 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.