Tornado, Lyon
- When
- June 12, 8:15 PM CST to 8:16 PM CST
- Where
- Lyon County, 2 mi NW of Minneota
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 50 yd
- Reported by
- BROADCAST MEDIA
- Coordinates
- 44.583, -96.017
A brief tornado caused no reported damage.
Tornado in Minnesota, June 12, 2004
1 tornado, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sioux Falls, SD wrote its last area forecast discussion before the first event at Jun 12, 2:00 PM CST, 6 hours 15 minutes earlier.
Area forecast discussion, Jun 12, 2:00 PM CST, 6 hours 15 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA NATIONAL WEATHER SERVICE SIOUX FALLS SD 300 PM CDT SAT JUN 12 2004 .DISCUSSION... EDGE OF MAIN CONVECTN BRUSHING SERN CRNR OF FCST AREA IN NWRN IA PASSING ON BY BUT SHUD BE FOLLOWED BY MORE SHWRS AND TSTMS NOW DVLPG TO THE SW. STILL THINK THESE MAY DVLP A LTL FRTHR WWD WITH TIME AND THEREFORE MAY COME A LTL FRTHR N AND PACK A LTL MORE PUNCH. WILL GO SCT TSTMS SERN CRNR OF AREA FOR TNGT. FRTHR W AND N...TSTMS WILL BE HARD TO COME BY AT FIRST BUT WILL STICK SOME ISOLD IN FOR STG HEATG AND SLWLY INCRG MOISTR. EXPCT BETTER CHC TO COME LATR TNGT AS APPCHG IMPLS AND BETTER INSTBLTY SET UP A CHC FOR ELEVATED TSTMS OVER AREA. THIS THREAT SHUD CONT OVER AREA THRU SUN AS SYS AND SFC TROF POKE SLWLY EWD OVER AREA. WILL LINGER INTO SUN EVE SE. SUBSDNCE AND SOME SFC RDGNG SHUD KEEP FCST AREA DRY SUN NGT AND MON. MODELS IN BETETR AGREEMNT TDA ON SYS APPCHG FOR MON NGT AND TUE. MAIN PRBLM OF COURSE WAS THE TIMING. WILL GO CHC TSTMS FOR MON NGT AND TUE...WINDING DOWN IN THE SE TUE EVE. WITH ABV MENTND BETTER AGREEMNT AND CONSISTENCY IN MODELS A FEW DAYS AHD...NOW LOOKS LIKE WE SHUD GO W/O PCPN MENTN FOR EXTNDED PD WED THRU SAT. SOME MODELS MAY BE OVERDOING MILD NWRLY FLO AND UPR TROF OVER GRTLKS...BUT LOOKS LIKE A GNLY DRY PATTER SO WILL TAKE OUT ERYR MENTND PCPN FOR WED NGT AND THU. NOT REALLY A WHOLE LOT TO SAY ABOUT TEMPS. READINGS SHUD STAY MILD TO MDTLY WARM IN A FAIRLY NARROW DAY TO DAY RANGE FOR THE NEXT WEEK. HIGHS SHUD BE IN THE MID 70S TO MID 80S. && .FSD...WATCHES/WARNINGS/ADVISORIES... SD...NONE. MN...NONE. IA...NONE. NE...NONE. && WILLIAMS
Hazardous weather outlook, Jun 12, 10:42 AM CST, 9 hours 33 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 1142 AM CDT SAT JUN 12 2004 SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098- IAZ001>003-012>014-020>022-031-032-NEZ013-014-131200- AURORA-BEADLE-BON HOMME-BROOKINGS-BRULE-BUENA VISTA IA- CHARLES MIX-CHEROKEE IA-CLAY-CLAY IA-COTTONWOOD MN-DAKOTA NE- DAVISON-DICKINSON IA-DIXON NE-DOUGLAS-GREGORY-HANSON-HUTCHINSON- IDA IA-JACKSON MN-JERAULD-KINGSBURY-LAKE-LINCOLN-LINCOLN MN- LYON IA-LYON MN-MCCOOK-MINER-MINNEHAHA-MOODY-MURRAY MN-NOBLES MN- OBRIEN IA-OSCEOLA IA-PIPESTONE MN-PLYMOUTH IA-ROCK MN-SANBORN- SIOUX IA-TURNER-UNION-WOODBURY IA-YANKTON- 1142 AM CDT SAT JUN 12 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA... SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS... TWO AREAS OF THUNDERSTORM DEVELOPMENT WILL BE POSSIBLE TODAY. THE FIRST IS OVER NORTHWEST IOWA AND EXTREME NORTHEAST NEBRASKA THIS AFTERNOON. A WARM FRONT WILL LIFT NORTH INTO EASTERN NEBRASKA AND WESTERN IOWA. THIS WILL BRING INCREASINGLY UNSTABLE AIR BACK TO THE AREA...WITH SCATTERED THUNDERSTORMS EXPECTED TO DEVELOP AS THIS MOISTURE RETURNS TO THE AREA. SEVERE STORMS ARE POSSIBLE WITH THIS ACTIVITY...WITH THE MAIN THREAT LARGE HAIL...POSSIBLY AS LARGE AS GOLF BALLS. AN ISOLATED TORNADO WILL ALSO BE POSSIBLE SOUTH AND EAST OF A SIOUX CITY TO STORM LAKE LINE AS THE SURFACE WARM FRONT LIFTS NORTH. THE SECOND AREA OF POSSIBLE THUNDERSTORM DEVELOPMENT WILL OCCUR BY LATE THIS AFTERNOON AS A COLD FRONT MOVES INTO CENTRAL SOUTH DAKOTA. LOW LEVEL MOISTURE WILL BE LIMITED IN THIS AREA...AND THUS THE INSTABILITY WILL ALSO BE LIMITED. NEVERTHELESS...THE DEGREE OF SHEAR IN THE ATMOSPHERE SHOULD ALLOW FOR ISOLATED SEVERE WEATHER FROM LATE THIS AFTERNOON INTO THE EARLY EVENING HOURS. LARGE HAIL TO THE SIZE OF NICKELS AND DAMAGING WINDS TO 60 MPH ARE THE MAIN SEVERE WEATHER THREATS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ON SUNDAY SOUTH AND EAST OF A LINE FROM YANKTON TO SIOUX FALLS TO SLAYTON. A COLD FRONT WILL MOVE SOUTHEAST ACROSS THE REGION DURING THE DAY ON SUNDAY. THE ATMOSPHERE ALONG AND AHEAD OF THE COLD FRONT IS ONCE AGAIN EXPECTED TO BECOME UNSTABLE DURING THE LATE MORNING AND AFTERNOON HOURS. THUNDERSTORMS MAY DEVELOP BY LATE MORNING ALONG THE COLD FRONT AND MOVE SOUTHEAST THROUGH THE AFTERNOON. DAMAGING WINDS WILL BE THE MAIN THREAT FROM THESE STORMS...ALTHOUGH ISOLATED LARGE HAIL WILL ALSO BE POSSIBLE. THERE WILL ALSO BE A NUMBER OF THUNDERSTORM CHANCES FROM MONDAY THROUGH WEDNESDAY. AT THIS TIME THE SEVERE WEATHER THREAT FROM THESE STORMS IS UNCERTAIN...AND WILL BE BETTER DEFINED IN LATER OUTLOOKS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL BE POSSIBLE AFTER 200 PM CDT. && FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.CRH.NOAA.GOV/FSD. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK. 08
In the hours before
Special weather statement, Jun 12, 5:13 PM CST, 3 hours 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 613 PM CDT SAT JUN 12 2004 IAZ021-022-031-032-NEZ013-014-122330- BUENA VISTA IA-CHEROKEE IA-DAKOTA NE-DIXON NE-IDA IA-WOODBURY IA- 613 PM CDT SAT JUN 12 2004 ...TORNADO WATCH CANCELLED FOR PARTS OF NORTHEAST NEBRASKA AND NORTHWEST IOWA... TORNADO WATCH NUMBER 446 HAS BEEN CANCELLED FOR DAKOTA AND DIXON COUNTY IN NORTHEAST NEBRASKA...AND FOR WOODBURY...IDA...CHEROKEE AND BUENA VISTA COUNTIES IN NORTHWEST IOWA.
The radar
The Sioux Falls radar (KFSD), 124 km away, was scanning. The volume nearest the first event began at 02:15 UTC.
Event by event
1 tornado. Local standard time, as filed.
What these are
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Flash Flooding in Kansas, June 12 to 13, 2004
- Flash Flooding and Hail in Missouri, June 12 to 13, 2004
- Damaging Wind in Missouri, June 12, 2004
- Flash Flood and Hail in Nebraska, June 12, 2004
- Tornado and Hail in Tennessee, June 12 to 13, 2004
- Hail and Damaging Winds in Kansas, June 12, 2004
- Hail and Damaging Winds in Texas, June 12, 2004
- Hail and Damaging Wind in Texas, June 12, 2004
- Hail in Kansas, June 12, 2004
- Flash Flooding in Indiana, June 12, 2004
- Flooding in West Virginia, June 12, 2004
- Flash Flood in Kentucky, June 12, 2004
More
Every storm in Minnesota in 2004Every state in 2004This day in weather historyThe tornado archive for Minnesota, 2004Warnings in Minnesota, June 2004
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5409834.