Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 45, NWS Twin Cities, MN

July 3, 1993Dodge County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 3, 1993, 12:37 PM CDT for Dodge County, Minnesota. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Jul 3, 1993, 12:37 PM CDT (17:37 UTC)
Expired
Jul 3, 1993, 1:15 PM CDT
In force
38 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Dodge County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 5.6 hours before the alert went out and 109 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 031738 RRA
SVRRST
MNC039-031815-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
1237 PM CDT SAT JUL 3 1993
 
THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  115 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MINNESOTA
 
   ...DODGE COUNTY
 
AT 1230 PM...RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM IN EXTREME
WESTERN PORTION OF DODGE COUNTY NEAR CLAREMONT. CLAREMONT IS 27 MILES TO
TH WEST OF ROCHESTER.
 
THIS PARTICULAR STORM WAS ALONG A LINE OF VERY STRONG TO SEVERE
THUNDERSTORMS EXTENDING FROM NEAR CANNON FALLS TO ALBERT LEA. IT IS
EXPECTED TO MOVE INTO THE MANTORVILLE AREA BEFORE 100PM.
 
 
 
 
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.

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, 8:50 AM CDT, 3 hours 47 minutes before
MNZ013-014-031600

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
845 AM CDT SAT JUL 3 1993

...THUNDERSTORMS MOVING THROUGH CENTRAL MINNESOTA...

THUNDERSTORMS IN WEST CENTRAL...CENTRAL...AND SOUTHWEST MINNESOTA ARE
MOVING TO THE NORTHEAST AT 30 MPH. THE HEAVIEST THUNDERSTORMS ARE IN
SOUTHERN KANDIYOHI COUNTY AND ARE EXPECTED TO MOVE INTO WILLMAR MN BY
915 AM.

THESE STORMS PRODUCE HEAVY RAIN AND DANGEROUS LIGHTNING.

PERSONS IN CENTRAL MINNESOTA SHOULD KEEP AN EYE ON THE WEATHER AND BE
PREPARED TO SEEK SHELTER IF THREATENING WEATHER APPROACHES.

MCBEATH PETERS
Special weather statement, Jul 3, 9:45 AM CDT, 2 hours 52 minutes before
WIZ003-006-MNZALL-031545-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
945 AM CDT SAT JUL 3 1993

VERY STRONG THUNDERSTORMS CONTINUED OVER SOUTHWEST MINNESOTA AT 940 AM.
THE MOST POWERFUL STORMS WERE IN A 25 MILE WIDE LINE FROM NEAR NEW ULM
TO SLEEPY EYE TO HERON LAKE TO WORTHINGTON.  HAIL...FREQUENT DEADLY
LIGHTNING...STRONG GUSTY WINDS...AND VERY HEAVY RAINFALL ARE LIKELY
WITH THESE STORMS.

MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR.  CITIES AND TOWNS IN THE
PATH OF THESE STORMS INCLUDE NEW ULM...MOUNTAIN LAKE...SLEEPY EYE...
AND HERON LAKE.  THE STORMS SHOULD REACH THESE LOCATIONS BY ABOUT 1000
AM.

PERSONS ENGAGED IN OUTDOOR ACTIVITIES SUCH AS BOATING...HIKING...OR
OPERATING FARM EQUIPMENT SHOULD BE READY TO SEEK SAFE SHELTER.

FLASH FLOODING IS ALSO POSSIBLE WITH THESE STORMS.  A FLASH FLOOD WATCH
HAS BEEN ISSUED FOR MUCH OF SOUTHWEST MINNESOTA THROUGH 130 PM THIS
AFTERNOON.  THE GROUND IS ALREADY SATURATED WITH MOISTURE OVER MUCH OF
SOUTHERN MINNESOTA...AND THE ADDITIONAL HEAVY RAIN FROM SOME OF THESE
THUNDERSTORMS MAY BE ENOUGH TO CAUSE FLASH FLOODING OVER LOW-LYING
AREAS.  PERSONS CAMPING ALONG SMALL STREAMS OR RIVERS IN RAVINES OR
SMALL VALLEYS SHOULD BE ESPECIALLY CAREFUL.  BE READY TO MOVE TO HIGH
GROUND.
KRAFT
Special weather statement, Jul 3, 9:46 AM CDT, 2 hours 51 minutes before
WIZ003-006-MNZALL-031545-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
945 AM CDT SAT JUL 3 1993

VERY STRONG THUNDERSTORMS CONTINUED OVER SOUTHWEST MINNESOTA AT 940 AM.
THE MOST POWERFUL STORMS WERE IN A 25 MILE WIDE LINE FROM NEAR NEW ULM
TO SLEEPY EYE TO HERON LAKE TO WORTHINGTON.  HAIL...FREQUENT DEADLY
LIGHTNING...STRONG GUSTY WINDS...AND VERY HEAVY RAINFALL ARE LIKELY
WITH THESE STORMS.

MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR.  CITIES AND TOWNS IN THE
PATH OF THESE STORMS INCLUDE NEW ULM...MOUNTAIN LAKE...SLEEPY EYE...
AND HERON LAKE.  THE STORMS SHOULD REACH THESE LOCATIONS BY ABOUT 1000
AM.

PERSONS ENGAGED IN OUTDOOR ACTIVITIES SUCH AS BOATING...HIKING...OR
OPERATING FARM EQUIPMENT SHOULD BE READY TO SEEK SAFE SHELTER.

FLASH FLOODING IS ALSO POSSIBLE WITH THESE STORMS.  A FLASH FLOOD WATCH
HAS BEEN ISSUED FOR MUCH OF SOUTHWEST MINNESOTA THROUGH 130 PM THIS
AFTERNOON.  THE GROUND IS ALREADY SATURATED WITH MOISTURE OVER MUCH OF
SOUTHERN MINNESOTA...AND THE ADDITIONAL HEAVY RAIN FROM SOME OF THESE
THUNDERSTORMS MAY BE ENOUGH TO CAUSE FLASH FLOODING OVER LOW-LYING
AREAS.  PERSONS CAMPING ALONG SMALL STREAMS OR RIVERS IN RAVINES OR
SMALLr VALLEYS SHOULD BE ESPECIALLY CAREFUL.  BE READY TO MOVE TO HIGH
GROUND.
KRAFT
Special weather statement, Jul 3, 10:40 AM CDT, 1 hour 57 minutes before
WIZ003-006-MNZALL-031645-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1040 AM CDT SAT JUL 3 1993

...EXTREMELY HEAVY RAINS CONTINUE OVER SOUTHERN MINNESOTA...

THUNDERSTORMS WITH EXTREMELY HEAVY RAINSHOWERS CONTINUED OVER SOUTHERN
MINNESOTA AT 1035 AM.  THE HEAVIEST RAINFALL WAS OCCURRING BETWEEN
MOUNTAIN LAKE AND JACKSON OVER COTTONWOOD AND JACKSON COUNTIES NEAR
THE IOWA BORDER.  OTHER VERY HEAVY RAIN-PRODUCING THUNDERSTORMS
WERE LOCATED FROM NEW ULM TO MANKATO TO WELLS.

HAIL...FREQUENT LIGHTNING...STRONG GUSTY WINDS...AND VERY HEAVY RAINFALL
ARE LIKELY WITH THESE STORMS.  PERSONS ENGAGED IN OUTDOOR ACTIVITIES
SHOULD BE READY TO SEEK SAFE SHELTER.

MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR.  CITIES AND TOWNS IN THE
PATH OF THESE STORMS INCLUDE ST PETER...ST CLAIR...NEW RICHMOND...
WINNEBAGO...AND FAIRMONT.

FLASH FLOODING IS LIKELY WITH SOME OF THESE THUNDERSTORMS.  THE VERY
HEAVY RAINS ARE FALLING ON GROUND ALREADY SATURATED WITH MOISTURE.
FLOODING OF SMALL STREAMS AND RIVERS IN LOW-LYING AREAS AND RAVINES
IS LIKELY.  A FLASH FLOOD WARNING REMAINS IS EFFECT FOR A PORTION OF
SOUTHWEST MINNESOTA UNTIL 130 PM TODAY. BE PREPARED TO MOVE TO HIGH
GROUND AND TAKE OTHER APPROPRIATE SAFETY PRECAUTIONS.
KRAFT
Special weather statement, Jul 3, 10:41 AM CDT, 1 hour 56 minutes before
WIZ003-006-MNZALL-031645-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1040 AM CDT SAT JUL 3 1993

...EXTREMELY HEAVY RAINS CONTINUE OVER SOUTHERN MINNESOTA...

THUNDERSTORMS WITH EXTREMELY HEAVY RAINSHOWERS CONTINUED OVER SOUTHERN
MINNESOTA AT 1035 AM.  THE HEAVIEST RAINFALL WAS OCCURRING BETWEEN
MOUNTAIN LAKE AND JACKSON OVER COTTONWOOD AND JACKSON COUNTIES NEAR
THE IOWA BORDER.  OTHER VERY HEAVY RAIN-PRODUCING THUNDERSTORMS
WERE LOCATED FROM NEW ULM TO MANKATO TO WELLS.

HAIL...FREQUENT LIGHTNING...STRONG GUSTY WINDS...AND VERY HEAVY RAINFALL
ARE LIKELY WITH THESE STORMS.  PERSONS ENGAGED IN OUTDOOR ACTIVITIES
SHOULD BE READY TO SEEK SAFE SHELTER.

MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR.  CITIES AND TOWNS IN THE
PATH OF THESE STORMS INCLUDE ST PETER...ST CLAIR...NEW RICHMOND...
WINNEBAGO...AND FAIRMONT.

FLASH FLOODING IS LIKELY WITH SOME OF THESE THUNDERSTORMS.  THE VERY
HEAVY RAINS ARE FALLING ON GROUND ALREADY SATURATED WITH MOISTURE.
FLOODING OF SMALL STREAMS AND RIVERS IN LOW-LYING AREAS AND RAVINES
IS LIKELY.  A FLASH FLOOD WARNING REMAINS IS EFFECT FOR A PORTION OF
SOUTHWEST MINNESOTA UNTIL 130 PM TODAY. BE PREPARED TO MOVE TO HIGH
GROUND AND TAKE OTHER APPROPRIATE SAFETY PRECAUTIONS.
KRAFT
Special weather statement, Jul 3, 12:30 PM CDT, 7 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

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, 1:55 PM CDTSevere Thunderstorm WarningMPXMower50 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.