Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 50, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 3, 1993, 8:57 PM CDT for Big Stone County, Minnesota. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Jul 3, 1993, 8:57 PM CDT (01:57 UTC)
- Expired
- Jul 3, 1993, 10:00 PM CDT
- In force
- 63 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Big Stone County, MN
The nearest sounding before it
Aberdeen, SD (KHON), launched 00:00Z, 2.0 hours before the alert went out and 167 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
- 4540 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1223 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 12.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KSTC 040157 RRA SVRSTC MNC011-040300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA 857 PM CDT SAT JUL 3 1993 THE NATIONAL WEATHER SERVICE IN ST CLOUD MINNESOTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL MINNESOTA ...BIG STONE COUNTY AT 850 PM CDT THE BIG STONE COUNTY SHERIFF OFFICE REPORTED WIND DAMAGE TO A FARM 7 MILES NORTH OF ORTONVILLE. THIS DANGEROUS STORM WAS MOVING NORTHEAST AT 10 MPH. SOME CITIES IN THE PATH OF THIS STORM ARE ORTONVILLE...ARTICHOKE..CLINTON AND JOHNSON. YOU SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. & NNNN
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, 6:30 PM CDT, 2 hours 27 minutes before
MNZ013-014-040030 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 630 PM CDT SAT JUL 3 1993 ...TORNADO WATCH FOR WEST-CENTRAL MINNESOTA UNTIL 1 AM CDT... ...STRONG THUNDERSTORMS DEVELOPING IN WEST-CENTRAL MINNESOTA... AT 630 PM RADAR SHOWED STRONG THUNDERSTORMS DEVELOPING IN LAC QUI PARLE COUNTY OF WESTERN MINNESOTA. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING HAIL...VERY GUSTY WINDS AND DEADLY LIGHTNING. THESE STORMS WERE MOVING NORTHEAST AT 25 MPH. PERSONS IN WEST-CENTRAL MINNESOTA SHOULD KEEP AN EYE ON THE WEATHER AND BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER APPROACHES. FRASER
Special weather statement, Jul 3, 6:36 PM CDT, 2 hours 21 minutes before
MNZ013-014-040030 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 630 PM CDT SAT JUL 3 1993 ...TORNADO WATCH FOR WEST-CENTRAL MINNESOTA UNTIL 1 AM CDT... ...STRONG THUNDERSTORMS DEVELOPING IN WEST-CENTRAL MINNESOTA... AT 630 PM RADAR SHOWED STRONG THUNDERSTORMS DEVELOPING IN LAC QUI PARLE COUNTY OF WESTERN MINNESOTA. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING HAIL...VERY GUSTY WINDS AND DEADLY LIGHTNING. THESE STORMS WERE MOVING NORTHEAST AT 25 MPH. PERSONS IN WEST-CENTRAL MINNESOTA SHOULD KEEP AN EYE ON THE WEATHER AND BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER APPROACHES. FRASER
Special weather statement, Jul 3, 8:20 PM CDT, 37 minutes before
MNZ013-014-040230 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 820 PM CDT SAT JUL 3 1993 ...STRONG THUNDERSTORMS OVER MILLE LAC LAKE... AT 815 PM RADAR SHOWED STRONG THUNDERSTORMS OVER MILLE LACS LAKE. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING VERY GUSTY WINDS... SMALL HAIL...VERY HEAVY RAIN AND AND DEADLY LIGHTNING. THE STORMS WERE MOVING NORTHEAST AT 25 MPH. BOATERS ON MILLE LACS LAKE SHOULD SEEK SAFE HARBOR UNTIL THE THREATENING WEATHER MOVES OUT OF THE AREA. FRASER
Special weather statement, Jul 3, 8:25 PM CDT, 32 minutes before
MNZ013-014-040230 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 825 PM CDT SAT JUL 3 1993 ...TORNADO WATCH FOR WEST-CENTRAL MINNESOTA UNTIL 1 AM CDT... ...FLASH FLOOD WATCH FOR WEST CENTRAL AND SOUTHWEST MINNESOTA UNTIL 6 AM CDT... AT 820 A SMALL AREA OF THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WAS LOCATED IN WEST CENTRAL MINNESOTA CENTERED ON ORTONVILLE. THESE THUNDERSTORMS COVERED MOST OF BIG STONE COUNTY AND NORTHERN LAC QUI PARLE COUNTY. THEY WERE DRIFTING SLOWLY NORTHEAST. THESE STORMS WITH THE HEAVY RAINFALL COULD CREATE SOME MINOR STREET AND DITCH FLOODING. PERSONS IN NORTHERN LAC QUI PARLE AND BIG STONE COUNTIES SHOULD BE ALERT TO THESE THUNDERSTORMS AND BE PREPARED TO SEEK SHELTER OR HIGHER GROUND IF NECESSARY. DO NOT ATTEMPT TO DRIVE THROUGH RISING FLOOD WATERS. HAYS
Special weather statement, Jul 3, 8:29 PM CDT, 28 minutes before
MNZ013-014-040230 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 820 PM CDT SAT JUL 3 1993 ...STRONG THUNDERSTORMS OVER MILLE LAC LAKE... AT 815 PM RADAR SHOWED STRONG THUNDERSTORMS OVER MILLE LACS LAKE. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING VERY GUSTY WINDS... SMALL HAIL...VERY HEAVY RAIN AND AND DEADLY LIGHTNING. THE STORMS WERE MOVING NORTHEAST AT 25 MPH. BOATERS ON MILLE LACS LAKE SHOULD SEEK SAFE HARBOR UNTIL THE THREATENING WEATHER MOVES OUT OF THE AREA. FRASER
Special weather statement, Jul 3, 8:30 PM CDT, 27 minutes before
MNZ013-014-040230 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 825 PM CDT SAT JUL 3 1993 ...TORNADO WATCH FOR WEST-CENTRAL MINNESOTA UNTIL 1 AM CDT... ...FLASH FLOOD WATCH FOR WEST CE
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 10:38 PM CDT | Tornado Warning | MPX | Pope | 22 min |
| Jul 3, 11:02 PM CDT | Tornado Warning | MPX | Pope | 28 min |
| Jul 3, 11:33 PM CDT | Tornado Warning | MPX | Pope | 27 min |
| Jul 3, 11:58 PM CDT | Severe Thunderstorm Warning | MPX | Redwood, Renville | 25 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.