Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 42, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 3, 1993, 10:47 AM CDT for Martin County, Watonwan County, Minnesota. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Jul 3, 1993, 10:47 AM CDT (15:47 UTC)
- Expired
- Jul 3, 1993, 11:30 AM CDT
- In force
- 43 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Martin County, MN, Watonwan County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 3.8 hours before the alert went out and 138 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KRST 031549 RRA SVRRST MNC091-165-031630- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 1047 AM CDT SAT JUL 3 1993 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL MINNESOTA ...MARTIN COUNTY...SOUTHERN WATONWAN COUNTY AT 1045 AM...ROCHESTER RADAR INDICATED POSSIBLE SEVERE THUNDERSTORMS MOVING INTO THE EXTREME WESTERN PORTIONS OF MARTIN COUNTY. THE STORM WAS LOCATED NEAR THE SHERBURN AREA...OR 14 MILES WEST OF FAIRMONT. IT WAS MOVING JUST NORTH OF EAST AT 30 MPH. SOME CITIES IN THE PATH OF THIS STORM INCLUDE...SHERBURN...WELCOME... FAIRMONT...AND ST. JAMES. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 3 PM FOR MOST OF SOUTHERN MINNESOTA. PEOPLE IN THE AFFECTED AREA SHOULD TAKE SHELTER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING ARE ALL POSSIBLE. STAY AWAY FROM WINDOWS. MOTORISTS SHOULD GET OFF THE ROAD AND FIND A SAFE SHELTER. TESKE
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, 8:45 AM CDT, 2 hours 2 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, 8:50 AM CDT, 1 hour 57 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, 1 hour 2 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, 1 hour 1 minute 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, 7 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, 6 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
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 8:43 AM CDT | Severe Thunderstorm Warning | MPX | Redwood | 47 min |
| Jul 3, 11:34 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault, Le Sueur, Waseca | 56 min |
| Jul 3, 12:06 PM CDT | Severe Thunderstorm Warning | MPX | Rice, Steele | 39 min |
| Jul 3, 12:37 PM CDT | Severe Thunderstorm Warning | MPX | Dodge | 38 min |
| Jul 3, 1:55 PM CDT | Severe Thunderstorm Warning | MPX | Mower | 50 min |
| Jul 3, 2:24 PM CDT | Severe Thunderstorm Warning | MPX | Fillmore, Winona | 36 min |
| Jul 3, 2:48 PM CDT | Severe Thunderstorm Warning | MPX | Houston, Winona | 42 min |
| Jul 3, 3:05 PM CDT | Severe Thunderstorm Warning | MPX | Fillmore | 40 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.