Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 40, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 1, 1993, 10:31 PM CDT for Olmsted County, Minnesota. It was in force for 29 min.
The area
The counties it named.
The facts
- Issued
- Jul 1, 1993, 10:31 PM CDT (03:31 UTC)
- Expired
- Jul 1, 1993, 11:00 PM CDT
- In force
- 29 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Olmsted County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 3.5 hours before the alert went out and 134 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
- 98 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 534 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KRST 020332 RRA SVRRST MNC109-020400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 1031 PM CDT THU JUL 1 1993 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MINNESOTA ...NORTHERN OLMSTED COUNTY AT 1030 PM...RADAR INDICATED A SEVERE THUNDERSTORM WHICH CROSSED FROM NORTHERN DODGE COUNTY INTO NORTHERN OLMSTED COUNTY ABOUT 10 MILES WEST OF ORONOCO...OR 11 MILES NORTH OF ROCHESTER. THE STORM WAS MOVING TO THE EAST AT 35 MPH. SOME CITIES IN THE PATH OF THIS STORM INCLUDE...ORONOCO AND POTSDAM. 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 1, 7:45 PM CDT, 2 hours 46 minutes before
MNZ012-014>017-WIZ003-006-020200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 745 PM CDT WED JUL 1 1993 ...STRONG THUNDERSTORMS MOVING THROUGH CENTRAL MINNESOTA... A LINE OF STRONG THUNDERSTORMS WAS PUSHING EAST ACROSS CENTRAL PORTIONS OF MINNESOTA FROM NEAR REDWOOD FALLS AND FAIRFAX TO AROUND LITCHFIELD. THE ACTIVITY WAS MOVING EAST AT 30 MILES AN HOUR AND THIS WILL PLACE THESE STORMS IN THE COKATO...HUTCHINSON...GLENCOE AND GAYLORD AREAS BEFORE 900 PM. NO SEVERE WEATHER HAS BEEN REPORTED WITH THIS ACTIVITY THROUGH 745 PM BUT FREQUENT LIGHTNING STRIKES...STRONG GUSTY WINDS AND VERY HEAVY RAINS ARE LIKELY. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF SOUTHERN MINNESOTA UNTIL MIDNIGHT AND THE POTENTIAL EXISTS FOR FURTHER STRENGTHENING ON THUNDERSTORM ACTIVITY ACROSS SOUTHERN MINNESOTA. KEEP TUNED TO LOCAL RADIO AND TELEVISION STATIONS AND LISTEN FOR FURTHER UPDATES AND POSSIBLE WARNINGS AS THESE STORMS MOVE INTO EAST CENTRAL AND SOUTHEAST MINNESOTA. KVS
Special weather statement, Jul 1, 7:55 PM CDT, 2 hours 36 minutes before
MNZ012-014>017-WIZ003-006-020200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 745 PM CDT WED JUL 1 1993 ...STRONG THUNDERSTORMS MOVING THROUGH CENTRAL MINNESOTA... A LINE OF STRONG THUNDERSTORMS WAS PUSHING EAST ACROSS CENTRAL PORTIONS OF MINNESOTA FROM NEAR REDWOOD FALLS AND FAIRFAX TO AROUND LITCHFIELD. THE ACTIVITY WAS MOVING EAST AT 30 MILES AN HOUR AND THIS WILL PLACE THESE STORMS IN THE COKATO...HUTCHINSON...GLENCOE AND GAYLORD AREAS BEFORE 900 PM. NO SEVERE WEATHER HAS BEEN REPORTED WITH THIS ACTIVITY THROUGH 745 PM BUT FREQUENT LIGHTNING STRIKES...STRONG GUSTY WINDS AND VERY HEAVY RAINS ARE LIKELY. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF SOUTHERN MINNESOTA UNTIL MIDNIGHT AND THE POTENTIAL EXISTS FOR FURTHER STRENGTHENING ON THUNDERSTORM ACTIVITY ACROSS SOUTHERN MINNESOTA. KEEP TUNED TO LOCAL RADIO AND TELEVISION STATIONS AND LISTEN FOR FURTHER UPDATES AND POSSIBLE WARNINGS AS THESE STORMS MOVE INTO EAST CENTRAL AND SOUTHEAST MINNESOTA. KVS
Special weather statement, Jul 1, 8:11 PM CDT, 2 hours 20 minutes before
MNZ014-015-016-020215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 811 PM CDT THU JUL 1 1993 WEATHER RADAR SHOWS A STRONG THUNDERSTORM JUST SOUTH OF GLENCOE IN MC LEOD COUNTY...OR ABOUT 35 MILES WEST OF DOWNTOWN MINNEAPOLIS. THIS STORM WILL LIKELY PRODUCE PEA TO MARBLE SIZE HAIL AND TORRENTIAL RAINFALL. SEVERE CLOUD TO GROUND LIGHTNING IS REPORTED BY THE COUNTY POLICE SO TAKE SHELTER IF THREATENING CONDITIONS ARE SEEN IN YOUR] AREA. THE STORMS EAST MOVEMENT OF 35 MILES PER HOUR WILL LIKELY CARRY IT ACROSS LESTER PRAIRIE AND PLATO BY 835 PM AND INTO THE WACONIA AND COLOGNE VICINITY BEFORE 9 PM. TOGSTAD : . :9F5R^}nzvoZRBY*K
Special weather statement, Jul 1, 8:11 PM CDT, 2 hours 20 minutes before
MNZ014-015-016-020215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 811 PM CDT THU JUL 1 1993 WEATHER RADAR SHOWS A STRONG THUNDERSTORM JUST SOUTH OF GLENCOE IN MC LEOD COUNTY...OR ABOUT 35 MILES WEST OF DOWNTOWN MINNEAPOLIS. THIS STORM WILL LIKELY PRODUCE PEA TO MARBLE SIZE HAIL AND TORRENTIAL RAINFALL. SEVERE CLOUD TO GROUND LIGHTNING IS REPORTED BY THE COUNTY POLICE SO TAKE SHELTER IF THREATENING CONDITIONS ARE SEEN IN YOUR] AREA. THE STORMS EAST MOVEMENT OF 35 MILES PER HOUR WILL LIKELY CARRY IT ACROSS LESTER PRAIRIE AND PLATO BY 835 PM AND INTO THE WACONIA AND COLOGNE VICINITY BEFORE 9 PM. TOGSTAD
Special weather statement, Jul 1, 8:55 PM CDT, 1 hour 36 minutes before
MNZ013-014-020300 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 855 PM CDT THU JUL 1 1993 ...SEVERE THUNDERSTORM WATCH FOR PARTS OF CENTRAL...WEST CENTRAL MINNESOTA... AT 850 PM CDT STRONG THUNBDERSTORMS CONTINUED IN WEST OF ELK RIVER...35 MILES SOUTHEAST OF ST. CLOUD. THIS THUNDERSTORM WAS MOVING EAST AT 25 MILES AN HOUR. IT SHOULD BE THROUGH THE ELK RIVER AREA BY 1000 PM. THIS THUNDERSTORM SHOULD PRODUCE HEAVY RAIN...DANGEROUS LIGHTNING AND SMALL HAIL AND GUSTY WINDS. PERSONS IN EASTER SHERBURNE COUNTY SHOULD KEEP AN EYE ON THE WEATHER AND BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER APPROACHES. HAYS
Special weather statement, Jul 1, 8:57 PM CDT, 1 hour 34 minutes before
MNZ013-014-020300 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 855 PM CDT THU JUL 1 1993 ...SEVERE THUNDERSTORM WATCH FOR PARTS OF CENTRAL...WEST CENTRAL MINNESOTA... AT 850 PM CDT STRONG THUNBDERSTORMS CONTINUED IN WEST OF ELK RIVER...35 MILES SOUTHEAST OF ST. CLOUD. THIS THUNDERSTORM WAS MOVING EAST AT 25 MILES AN HOUR. IT SHOULD BE THROUGH THE ELK RIVER AREA BY 1000 PM. THIS THUNDERSTORM SHOULD PRODUCE HEAVY RAIN...DANGEROUS LIGHTNING AND SMALL HAIL AND GUSTY WINDS. PERSONS IN EASTER SHERBURNE COUNTY SHOULD KEEP AN EYE ON THE WEATHER AND BE PRE(PARED TO SEEK SHELTER IF THREATENING WEATHER APPROACHES. HAYS
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 8:46 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Sibley | 44 min |
| Jul 1, 9:05 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin, Scott | 40 min |
| Jul 1, 9:28 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Ramsey | 47 min |
| Jul 1, 9:47 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 28 min |
| Jul 1, 9:59 PM CDT | Severe Thunderstorm Warning | MPX | Washington | 61 min |
| Jul 1, 10:09 PM CDT | Severe Thunderstorm Warning | MPX | Dodge | 21 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.