Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 46, NWS Twin Cities, MN

July 3, 1993Mower County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 3, 1993, 1:55 PM CDT for Mower County, Minnesota. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Jul 3, 1993, 1:55 PM CDT (18:55 UTC)
Expired
Jul 3, 1993, 2:45 PM CDT
In force
50 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Mower County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 6.9 hours before the alert went out and 147 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 1993-07-03Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 1993-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
1374 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
137 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 031859 RRA
SVRRST
MNC099-031945-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MINNESOTA
ISSUED BY MINNEAPOLIS MN
155 PM CDT SAT JUL 3 1993
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MINNESOTA
 
   ...MOWER COUNTY
 
AT 150 PM...RADAR INDICATED A SEVERE THUNDERSTORM BETWEEN AUSTIN AND
LYLE IN SOUTHWEST MOWER COUNTY.
 
THIS SEVERE THUNDERSTORM IS MOVING TO THE EAST AT 35 MPH.  SOME OF THE
TOWNS IN THE PATH OF THIS STORM ARE...AUSTIN...ROSE CREEK AND DEXTER.
 
 
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.
 
PAULSON/CARLYON

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 3, 12:30 PM CDT, 1 hour 25 minutes before
MN017-018-019-031800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1230 PM CDT SAT JUL 3 1993

...WESTERN PORTION OF SEVERE THUNDERSTORM WATCH NUMBER 579 CANCELLED...

THE LINE OF SEVERE THUNDERSTORMS PROMPTED THE ISSUANCE OF A SEVERE
THUNDERSTORM WATCH AND SEVERAL WARNINGS HAS SHIFTED OUT OF SOUTHWEST
MINNESOTA AND TOWARD THE SOUTHEAST PORTION OF THE STATE.  AT 1230PM
THE LINE OF STRONGEST STORMS RAN FROM JUST EAST OF NORTHFIELD TO NEAR
OWATONNA TO JUST OF FAIRMONT.

THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT WEST OF A LINE
FROM NORTHFIELD TO FAIRMONT.  THE CITIES OF ROCHESTER...MANTORVILLE..
AUSTIN AND ALBERT LEA REMAIN IN THE SEVERE THUNDERSTORM WATCH.
PAULSON
Special weather statement, Jul 3, 12:38 PM CDT, 1 hour 17 minutes before
MN017-018-019-031800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1230 PM CDT SAT JUL 3 1993

...WESTERN PORTION OF SEVERE THUNDERSTORM WATCH NUMBER 579 CANCELLED...

THE LINE OF SEVERE THUNDERSTORMS PROMPTED THE ISSUANCE OF A SEVERE
THUNDERSTORM WATCH AND SEVERAL WARNINGS HAS SHIFTED OUT OF SOUTHWEST
MINNESOTA AND TOWARD THE SOUTHEAST PORTION OF THE STATE.  AT 1230PM
THE LINE OF STRONGEST STORMS RAN FROM JUST EAST OF NORTHFIELD TO NEAR
OWATONNA TO JUST OF FAIRMONT.

THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT WEST OF A LINE
FROM NORTHFIELD TO FAIRMONT.  THE CITIES OF ROCHESTER...MANTORVILLE..
AUSTIN AND ALBERT LEA REMAIN IN THE SEVERE THUNDERSTORM WATCH.
PAULSON
Special weather statement, Jul 3, 1:37 PM CDT, 18 minutes before
WIZ003-006-MNZALL-031945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
137 PM CDT SAT JUL 3 1993

...STRONG THUNDERSTORMS MOVING INTO WESTERN WISCONSIN...

AT 135 PM...A STRONG THUNDERSTORM WAS LOCATED NEAR LAKE CITY IN
SOUTHEAST MINNESOTA...AND WAS JUST MOVING ACROSS THE MISSISSIPPI RIVER
INTO WESTERN WISCONSIN.  IT WILL MOVE INTO THE NELSON...ALMA AREA
OF EXTREME WEST CENTRAL WISCONSIN BY ABOUT 145 PM.  HAIL...STRONG
GUSTY WINDS...FREQUENT LIGHTNING...AND FLASH-FLOOD PRODUCING RAINS
ARE POSSIBLE WITH THIS STORM.

OTHER THUNDERSTORMS WITH VERY HEAVY RAIN WERE OCCURRING NEAR ROCHESTER
AND ALBERT LEA IN SOUTHERN MINNESOTA.  MOVEMENT WAS TO THE EAST
AT 35 MILES AN HOUR.

PERSONS IN THE VICINITY OF THESE STORMS SHOULD BE READY TO SEEK SAFE
SHELTER.  FLASH FLOODING IS POSSIBLE IN LOW-LYING AREAS AS WELL AS
RAVINES AND SMALL VALLEYS.  PERSONS IN THESE AREAS SHOULD BE READY TO
MOVE TO HIGHER GROUND FOR SAFETY.

THUNDERSHOWERS CONTINUED OVER SCATTERED SECTIONS OF THE SOUTH HALF
OF MINNESOTA...AS WELL AS WESTERN WISCONSIN.  THEY WERE WEST OF A LINE
FROM NEAR DULUTH MINNESOTA TO HAYWARD WISCONSIN TO EAU CLAIRE
TO ALMA TO FOUNTAIN MINNESOTA TO LYLE.

MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR.
KRAFT
Special weather statement, Jul 3, 1:39 PM CDT, 16 minutes before
WIZ003-006-MNZALL-031945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
137 PM CDT SAT JUL 3 1993

...STRONG THUNDERSTORMS MOVING INTO WESTERN WISCONSIN...

AT 135 PM...A STRONG THUNDERSTORM WAS LOCATED NEAR LAKE CITY IN
SOUTHEAST MINNESOTA...AND WAS JUST MOVING ACROSS THE MISSISSIPPI RIVER
INTO WESTERN WISCONSIN.  IT WILL MOVE INTO THE NELSON...ALMA AREA
OF EXTREME WEST CENTRAL WISCONSIN BY ABOUT 145 PM.  HAIL...STRONG
GUSTY WINDS...FREQUENT LIGHTNING...AND FLASH-FLOOD PRODUCING RAINS
ARE POSSIBLE WITH THIS STORM.

OTHER THUNDERSTORMS WITH VERY HEAVY RAIN WERE OCCURRING NEAR ROCHESTER
AND ALBERT LEA IN SOUTHERN MINNESOTA.  MOVEMENT WAS TO THE EAST
AT 35 MILES AN HOUR.

PERSONS IN THE VICINITY OF THESE STORMS SHOULD BE READY TO SEEK SAFE
SHELTER.  FLASH FLOODING IS POSSIBLE IN LOW-LYING AREAS AS WELL AS
RAVINES AND SMALL VALLEYS.  PERSONS IN THESE AREAS SHOULD BE READY TO
MOVE TO HIGHER GROUND FOR SAFETY.

THUNDERSHOWERS CONTINUED OVER SCATTERED SECTIONS OF THE SOUTH HALF
OF MINNESOTA...AS WELL AS WESTERN WISCONSIN.  THEY WERE WEST OF A LINE
FROM NEAR DULUTH MINNESOTA TO HAYWARD WISCONSIN TO EAU CLAIRE
TO ALMA TO FOUNTAIN MINNESOTA TO LYLE.

MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR.
KRAFT
Special weather statement, Jul 3, 1:45 PM CDT, 10 minutes before
MN016-019-032045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
145 PM CDT SAT JUL 3 1993

...GUSTY WINDS ACROSS EASTCENTRAL AND SOUTHEAST MINNESOTA...

EAST WINDS OF AROUND 40 MPH HAVE BEEN REPORTED IN THE TWIN CITIES METRO
AREA IN THE WAKE OF THE LINE OF THUNDERSTORMS WHICH ROLLED THROUGH EARLY
THIS AFTERNOON.  WIND GUSTS OF 35 TO 45 MPH CAN BE EXPECTED UNTIL AROUND
3PM IN THE TWIN CITY METRO AREA.

ONCE THE LINE OF THUNDERSTORMS EXITS SOUTHEAST MINNESOTA EAST WINDS WILL
PROBALLY KICK INTO THE 40 MPH RANGE BEHIND THEM AS WELL.
PAULSON
Special weather statement, Jul 3, 1:45 PM CDT, 10 minutes before
MN016-019-032045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
145 PM CDT SAT JUL 3 1993

...GUSTY WINDS ACROSS EASTCENTRAL AND SOUTHEAST MINNESOTA...

EAST WINDS OF AROUND 40 MPH HAVE BEEN REPORTED IN THE TWIN CITIES METRO
AREA IN THE WAKE OF THE LINE OF THUNDERSTORMS WHICH ROLLED THROUGH EARLY
THIS AFTERNOON.  WIND GUSTS OF 35 TO 45 MPH CAN BE EXPECTED UNTIL AROUND
3PM IN THE TWIN CITY METRO AREA.

ONCE THE LINE OF THUNDERSTORMS EXITS SOUTHEAST MINNESOTA EAST WINDS WILL
PROBALLY KICK INTO THE 40 MPH RANGE BEHIND THEM AS WELL.
PAULSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 8:43 AM CDTSevere Thunderstorm WarningMPXRedwood47 min
Jul 3, 10:47 AM CDTSevere Thunderstorm WarningMPXMartin, Watonwan43 min
Jul 3, 11:34 AM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault, Le Sueur, Waseca56 min
Jul 3, 12:06 PM CDTSevere Thunderstorm WarningMPXRice, Steele39 min
Jul 3, 12:37 PM CDTSevere Thunderstorm WarningMPXDodge38 min
Jul 3, 2:24 PM CDTSevere Thunderstorm WarningMPXFillmore, Winona36 min
Jul 3, 2:48 PM CDTSevere Thunderstorm WarningMPXHouston, Winona42 min
Jul 3, 3:05 PM CDTSevere Thunderstorm WarningMPXFillmore40 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1993Every severe thunderstorm warning in 1993

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.