Tornadoes · United States · Michigan · 2006
F0 tornado, Addison, Michigan, June 21, 2006
This F0 tornado ran 2.2 miles across Lenawee County on June 21, 2006, touching down at 6:10 PM EDT and reaching 100 yards wide. It killed nobody, and did $40,000 of property damage.
The rating scale
Tracks are drawn in the color of the rating. The Fujita scale rates the damage rather than measuring the wind: the speeds are what that damage is taken to imply.
F040 to 72 mphthis tornado
Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.
F173 to 112 mph
Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.
F2113 to 157 mph
Considerable damage. Roofs torn off well-built houses, frame homes shifted on their foundations, mobile homes destroyed, large trees snapped or uprooted, cars lifted off the ground.
F3158 to 206 mph
Severe damage. Whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned, trees debarked, heavy cars lifted and thrown.
F4207 to 260 mph
Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.
F5261 to 318 mph
Incredible damage. Strong frame houses swept off their foundations, car-sized missiles thrown more than 100 meters, steel-reinforced concrete badly damaged, high-rise buildings deformed.
Unrated
The survey recorded a tornado but could not put a number on it, most often because it crossed open country and damaged nothing a rating can be read from.
The record
- Rating
- F0
- Date
- June 21, 2006
- Touchdown
- 6:10 PM EDT (22:10 UTC)
- Path length
- 2.2 miles (3.5 km)
- Path width
- 100 yards (91 m)
- Deaths
- 0
- Injuries
- 0
- Property damage
- $40,000
- County
- Lenawee County
- Touchdown point
- 41.930, -84.320
- Lift-off point
- 41.950, -84.300
- Record number
- 654
What the Weather Service recorded
An F0 intensity tornado with winds of 60 to 70 MPH touched down approximately 4 miles south of Addison in Rollin Township on Wednesday, June 21st. The damage path was concentrated in a 100 yard wide path for a length of approximately 2 miles, extending from Rollin Highway just south of Burton Road eastward along Burton Road to the intersection of Burton Road and Shierson Highway. The most extensive damage along the path was to large trees near the Burton Road and Townley Highway intersection. Several homes received minor structural damage from falling trees associated with this tornado. Total property damages were roughly estimated at $40K. Average path width was 25 yards.
From NOAA NCEI's Storm Events Database, the narrative the local forecast office wrote for Storm Data.
The warnings
29 minutes of warning. NWS DTX issued a tornado warning for this county at 21:41 UTC, 29 minutes before the tornado touched down, in force until 22:45 UTC.
The county was under a tornado watch, issued at 21:43 UTC and running to 03:50 UTC.
| Issued (UTC) | Expired | Product | Office |
|---|---|---|---|
| 09:21 UTC | 09:57 UTC | Severe Thunderstorm Warning | DTX |
| 21:41 UTC | 22:45 UTC | Tornado Warning | DTX |
| 21:43 UTC | 03:50 UTC | Tornado Watch | DTX |
| 22:46 UTC | 23:45 UTC | Tornado Warning | DTX |
| 23:56 UTC | 03:00 UTC | Flash Flood Warning | DTX |
| 00:36 UTC | 01:16 UTC | Severe Thunderstorm Warning | DTX |
Every warning and watch covering the touchdown point that day, from the Iowa Environmental Mesonet's archive of National Weather Service products. Lead time is measured from the issue of the warning in force to the touchdown time in the database, both of which were recorded to the minute by different people.
The forecast that day
The Storm Prediction Center had this point in a Moderate Risk, with a 0.10 chance of a tornado within 25 miles. The outlook in force was issued at 20:03 UTC.
SPC's Day 1 convective outlook as it stood when the tornado began, read at the touchdown point. The same archive is on the radar archive.
What forecasters said that day
The local office's own words before the tornado touched down, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Detroit, MI wrote its last area forecast discussion before the tornado touched down at Jun 21, 4:20 PM EDT, 1 hour 50 minutes earlier.
Area forecast discussion, Jun 21, 4:20 PM EDT, 1 hour 50 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 420 PM EDT WED JUN 21 2006 .SHORT TERM...TONIGHT AND THURSDAY THE FIRST DAY OF SUMMER STARTED WITH THUNDER AND WILL LIKELY END WITH THUNDER. THE MORNING ACTIVITY AND ASSOCIATED COLD POOL HAS SUCCESSFULLY MANAGED TO SUPPRESS WARM FRONT TO THE WEST AND SOUTHWEST...SO FAR. THE LATEST OBS ARE SHOWING SIGNS OF ATMOSPHERIC RECOVERY AS TEMPS EDGE UPWARDS...AND WINDS AT THE SURFACE BEGIN TO SLOWLY VEER FROM THE SOUTHEAST...THIS NOW BEING ACCOMPLISHED AS LEFTOVER LOW LEVEL CLOUDS BEGIN TO THIN AND WARMER/MOISTER AIR JUST TO OUR WEST AND SOUTHWEST CONTINUE IN OUR DIRECTION UNDER A STRONG DEEP LAYER SOUTHWESTERLY FLOW. EXPECTATIONS CONTINUE FOR TEMPS AND DEWPOINTS TO RISE CONSIDERABLY BETWEEN 430 PM AND 530 PM. THIS WILL SUFFICIENTLY DESTABILIZE OUR ATMOSPHERE. A MODIFICATION OF THE 18Z DTX SOUNDING TO 80/70...WHICH WE SHOULD EASILY ACHIEVE AS THE WARM AIR FILTERS IN...YIELDS AROUND 3000 J/KG OF CAPE. THE MOISTURE IS ALREADY IN PLACE AND WILL CONTINUE TO INCREASE AS THETA E ADVECTION CONTINUES WITHIN THE STRONG SOUTHWESTERLY FLOW. THE 18Z SOUNDING INDICATES A CAP LOCATED JUST ABOVE 750MB...BUT WILL LIKELY NOT BE STRONG ENOUGH TO HOLD BACK SURFACE BASED CONVECTION WITHIN THE WARM SECTOR EARLY THIS EVENING. THE LIFT WILL COME IN THE FORM OF DYNAMICAL SUPPORT FROM A SHORTWAVE ADVANCING RAPIDLY EASTWARD AND APPROACHING THE WESTERN GREAT LAKES AT THIS TIME. THE FAVORABLE UPPER JET SUPPORT THAT WILL CROSS OUR AREA...COMBINED WITH THE EXPECTED INSTABILITY IN PLACE BY THAT TIME WILL LEAD THE LIKELIHOOD OF STRONG STORMS AS WE HEAD INTO THE EARLY EVENING HOURS. SPC ANALYZED MLCAPE ACROSS NORTHERN ILLINOIS/NORTHERN INDIANA ARE IN EXCESS OF 3000 J/KG AS OF 4PM AND THIS IS THE AREA WHERE WE ARE EXPECTING ADDITIONAL SURFACE BASED CONVECTION TO BECOME BETTER ORGANIZED AND THEN RIDE UP INTO OUR CWA BY EARLY EVENING. BULK SHEAR IS VERY FAVORABLE FOR SUPERCELLS AND ORGANIZED SEVERE CONVECTION THIS EVENING WITH STRONG WINDS THROUGH THE LAYER (18Z SOUNDING SHOWED 55KT WINDS AT 10K FEET. WE CONTINUE TO REMAIN IN A MODERATE RISK. THE PRIMARY RISK REMAINS DAMAGING WINDS BUT LARGE HAIL AND ISOLATED TORNADOES...GIVEN THE FAVORABLE LOW LEVEL HELICITY VALUES...CANNOT BE RULED OUT. ANOTHER CONCERN FOR THIS EVENING WILL BE THE POTENTIAL FOR FLASH FLOODING. THE GREATEST RAINFALL THIS MORNING OCCURRED ACROSS THE SAGINAW VALLEY WHERE 2 TO 3 INCHES OF RAIN WAS REPORTED. WITH PWS IN EXCESS OF 1.5 INCHES THIS EVENING...RAINFALL RATES THIS EVENING WILL NEED TO BE CLOSELY MONITORED. THE SHORTWAVE WILL QUICKLY EXIT TO OUR EAST BY MIDNIGHT. THE CONCERN THEN TURNS TO THE POTENTIAL FOR FOG DEVELOPMENT. AT THIS TIME WE WILL GO WITHOUT FOG IN THE ZONES UNTIL WE SEE HOW OUR ATMOSPHERE RESPONDS AFTER THIS EVENINGS ACTIVITY. ON THURSDAY WE TRANSITION TO A PREDOMINATE WESTERLY FLOW. A WEAK COLD FRONT WILL APPROACH FROM THE NORTH LATE IN THE DAY. TEMPERATURES ARE EXPECTED TO CLIMB INTO THE UPPER 80S UNDER PARTLY CLOUDY SKIES AHEAD OF THE FRONT. THIS WILL HELP US TO REALIZE LOW LEVEL LAPSE RATES (10C/KM) WHICH WILL REQUIRE US TO CONTINUE THE MENTION OF THUNDERSTORMS THROUGH THE DAY. COOLER LOW LEVEL DEWPOINTS AND A WEAK 850MB CAP LENDS ENOUGH CONFIDENCE TO CONTINUE WITH LOW POPS. && .LONG TERM...THURSDAY NIGHT THROUGH WEDNESDAY GFS/NAM IN REASONABLE AGREEMENT THROUGH SATURDAY...HOWEVER THE GFS IS A LITTLE QUICKER IN MOVING COLD FRONT SOUTH INTO THE OHIO VALLEY THURSDAY EVENING. PREFER THE FASTER AND MORE AGGRESSIVE GFS COLD FRONT SOLUTION AS THE NAM INITIALIZATION WAS 4 MB TO DEEP WITH ASSOCIATED SURFACE LOW OVER NORTHERN ONTARIO. TREND IS FOR ZONAL FLOW TO SLOWLY BUCKLE OVER THE GREAT LAKES REGION WITH NORTHWEST FLOW HELPING TO DRIVE COLD FRONT SOUTH INTO THE OHIO VALLEY THURSDAY THROUGH SATURDAY. WILL CONTINUE WITH A MENTION OF JUST SCATTERED RAIN SHOWERS ACROSS THE SOUTHERN TWO TIER OF COUNTIES THURSDAY NIGHT...AS MODELS SHOWING GOOD NEGATIVE MID LEVEL THETA-E ADVECTION AND MID LEVEL DRYING...PUNCHING SOUTH ACROSS THE CWA. NAM IS A LITTLE MORE SLUGGISH WITH COLD FRONT AND ALLOWS A COUPLE OF WEAK WAVES RIDING THROUGH THE LOWER OHIO VALLEY TO HOLD THE FRONT UP EVEN MORE. WILL HAVE TO WATCH THIS FRONT CLOSELY THOUGH AS IT NEARS THE SOUTHERN EDGE OF THE WESTERLIES OVER THE NORTHERN OHIO VALLEY BY FRIDAY MORNING. IN ADDITION FRONT STILL SOMEWHAT PARALLEL TO MID LEVEL FLOW...EVEN IN GFS SOLUTION. HIGH PRESSURE AND DRY NORTHWEST FLOW ALOFT TO BUILD INTO THE REGION FOR FRIDAY THROUGH SUNDAY...THEN ECMWF AND GFS DIG TROF UPPER TROF AXIS THROUGH THE REGION ON MONDAY...AND A WEAKER SECONDARY TROF ON TUESDAY. WEAK GRADIENT AND LACK OF SIGNIFICANT RETURN FLOW WILL LIMIT INSTABILITY OVER THE REGION THOUGH...SO MINIMAL POPS WITH MENTION OF TRW THROUGH THE PERIOD. SOUTHERN EDGE OF WESTERLIES TO MIGRATE NORTH AGAIN ON WEDNESDAY IN WAKE OF UPPER TROF AXIS...SO CONTINUED CHANCE OF TRW ON WEDNESDAY AS WELL. && AVIATION...ISSUED 213 PM EDT WED JUN 21 2006 A BREAK IN THE ACTION HAS BROUGHT ALL TERMINALS BACK UP TO VFR CONDITIONS...ALBEIT TEMPORARILY. THE BEST TIMING FOR THE NEXT ROUND OF THUNDERSTORMS LOOKS TO BE AROUND THE 6 PM TO 10 PM WINDOW THIS EVENING. THIS WILL PRESENT MVFR CONDITIONS WITH PERIODS OF IFR CONDITIONS IN THE STRONGEST THUNDERSTORMS. HAIL...GUSTY WINDS...AND VERY HEAVY RAIN WILL ACCOMPANY THE STRONGEST THUNDERSTORMS THAT OCCUR DURING THIS TIMEFRAME. THIS WILL BE FOLLOWED BY THE DEVELOPMENT OF EITHER AN IFR LOW STRATUS DECK OR EITHER FOG WITH IFR VISIBILITIES THAT WILL PERSIST THROUGH THE EARLY MORNING HOURS. THE 18Z SPECIAL DTX SOUNDING INDICATED A VERY WEAK LOW LEVEL INVERSION WITH AN ABUNDANCE OF LOW LEVEL MOISTURE BENEATH. THIS HAS RESULTED IN A POCKET OF MVFR CEILINGS FROM PONTIAC DOWN THROUGH DETROIT...THUS THE BRIEF PERIOD OF MENTION IN THE DETROIT TAFS TO START THE AFTERNOON OFF. MUCH WARMER AND MOISTER AIR IS ADVECTING IN FROM OUR WEST AND SOUTHWEST...AND THE BEST TIMING FOR THE WARM FRONT THROUGH OUR AREA IS AROUND 4 PM. THE ATMOSPHERE WILL BECOME MUCH MORE UNSTABLE WITH GOOD BULK WIND SHEAR IN PLACE TO SUPPORT THE LIKELIHOOD OF STRONG THUNDERSTORMS THIS EVENING. BEYOND MIDNIGHT...A STRONG AND VERY LOW INVERSION WILL DEVELOP. THIS WILL PROVIDE THE OPPORTUNITY FOR 2 CONCERNS. THE FIRST CONCERN WILL BE THE DEVELOPMENT OF IFR CONDITIONS AS MOISTURE GETS LOCKED IN CLOSE TO THE SURFACE. THE CHALLENGE IS WHETHER IT WILL LAY OUT INTO A STRATUS DECK OR WHETHER FOG DEVELOPS. AT THIS TIME WE WILL GO WITH A MIX OF THE TWO...AND PLACE MORE FOCUS ON THE FOG POTENTIAL THAN THE LOW STRATUS CEILINGS. THE OTHER CONCERN IS LOW LEVEL WIND SHEAR. STRONG LOW LEVEL WINDS JUST ABOVE THE INVERSION AT AROUND 600 FEET WILL POSSIBLY RESULT IN LOW LEVEL WINDSHEAR...BUT WE WILL WAIT UNTIL WE SEE JUST HOW THE ATMOSPHERE RESPONDS AFTER THIS EVENINGS CONVECTION BEFORE INTRODUCING THIS INTO THE TAFS. && .DTX WATCHES/WARNINGS/ADVISORIES... MI...NONE. LAKE HURON...NONE. LAKE ST CLAIR...NONE. MI WATERS OF LAKE ERIE...NONE. && SHORT TERM...SHULER LONG TERM....GSS AVIATION.....SHULER YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).
Hazardous weather outlook, Jun 21, 6:01 PM EDT, 9 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 601 PM EDT WED JUN 21 2006 MIZ047>049-053>055-060>062-221115- MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER- 601 PM EDT WED JUN 21 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST MICHIGAN. .DAY ONE...TONIGHT THUNDERSTORMS THIS EVENING ARE LIKELY TO PRODUCE DAMAGING WINDS...POSSIBLY AS HIGH AS 70 MPH...WITH A FEW STORMS ALSO PRODUCING HAIL AS LARGE AS AN INCH IN DIAMETER. ISOLATED TORNADOES ARE ALSO POSSIBLE. THESE STORMS WILL MOVE EAST AT 30 TO 40 MPH. THERE WILL STILL BE A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT TONIGHT SOUTH OF INTERSTATE 69...BUT ANY LATE NIGHT STORMS ARE NOT EXPECTED TO BE SEVERE AS THEY MOVE EAST AROUND 30 MPH. A WARM FRONT WILL LIFT NORTHEAST ACROSS THE AREA THIS EVENING AND COMBINE WITH A ROBUST UPPER LEVEL DISTURBANCE COMING OUT OF THE CENTRAL PLAINS TO GIVE RISE TO THE HIGH THUNDERSTORM CHANCES THROUGH 10 PM. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS ANOTHER CHANCE OF THUNDERSTORMS ON THURSDAY...AHEAD OF A COLD FRONT CLEARING THE AREA THURSDAY EVENING. THERE IS A SLIGHT CHANCE THAT SOME OF THESE THUNDERSTORMS WILL BE SEVERE...FROM DETROIT SOUTHWARD TO THE OHIO BORDER. THERE IS ALSO A CHANCE OF THUNDERSTORMS MONDAY THROUGH WEDNESDAY AS AN UPPER LEVEL TROUGH MOVES THROUGH THE CENTRAL GREAT LAKES. .SPOTTER INFORMATION STATEMENT... DISPATCHERS PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY. SPOTTER ACTIVATION IS LIKELY. MIZ063-068>070-075-076-082-083-221115- ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE- 601 PM EDT WED JUN 21 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST MICHIGAN. ..TORNADO WATCH NUMBER 532 IS IN EFFECT UNTIL MIDNIGHT EDT... .DAY ONE...TONIGHT THUNDERSTORMS THIS EVENING ARE LIKELY TO PRODUCE DAMAGING WINDS...POSSIBLY AS HIGH AS 70 MPH...WITH A FEW STORMS ALSO PRODUCING HAIL AS LARGE AS AN INCH IN DIAMETER. ISOLATED TORNADOES ARE ALSO POSSIBLE. THESE STORMS WILL MOVE EAST AT 30 TO 40 MPH. THERE WILL STILL BE A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT TONIGHT SOUTH OF INTERSTATE 69...BUT ANY LATE NIGHT STORMS ARE NOT EXPECTED TO BE SEVERE AS THEY MOVE EAST AROUND 30 MPH. A WARM FRONT WILL LIFT NORTHEAST ACROSS THE AREA THIS EVENING AND COMBINE WITH A ROBUST UPPER LEVEL DISTURBANCE COMING OUT OF THE CENTRAL PLAINS TO GIVE RISE TO THE HIGH THUNDERSTORM CHANCES THROUGH 10 PM. DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS ANOTHER CHANCE OF THUNDERSTORMS ON THURSDAY...AHEAD OF A COLD FRONT CLEARING THE AREA THURSDAY EVENING. THERE IS A SLIGHT CHANCE THAT SOME OF THESE THUNDERSTORMS WILL BE SEVERE...FROM DETROIT SOUTHWARD TO THE OHIO BORDER. THERE IS ALSO A CHANCE OF THUNDERSTORMS MONDAY THROUGH WEDNESDAY AS AN UPPER LEVEL TROUGH MOVES THROUGH THE CENTRAL GREAT LAKES. .SPOTTER INFORMATION STATEMENT... DISPATCHERS PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY. SPOTTER ACTIVATION WILL BE NEEDED TONIGHT. LCZ422-423-460-LEZ444-LHZ421-422-441>443-462>464-221115- ST. CLAIR RIVER-DETROIT RIVER-LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE-OUTER SAGINAW BAY-INNER SAGINAW BAY- PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI- PORT SANILAC TO PORT HURON MI- LAKE HURON OFFSHORE BEYOND 5 NM FROM PORT AUSTIN TO HARBOR BEACH MI- LAKE HURON OFFSHORE BEYOND 5 NM FROM HARBOR BEACH TO PORT SANILAC MI- LAKE HURON OFFSHORE BEYOND 5 NM FROM PORT SANILAC TO PORT HURON MI- 601 PM EDT WED JUN 21 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR LAKE ST CLAIR...THE MICHIGAN WATERS OF LAKE ERIE AND LAKE HURON. ...TORNADO WATCH NUMBER 532 IS IN EFFECT UNTIL MIDNIGHT EDT... .DAY ONE...TONIGHT TORNADO WATCH NUMBER 532 IS IN EFFECT THROUGH MIDNIGHT FOR ALL MARINE INTERESTS SOUTH OF LAKE HURON. THUNDERSTORMS THIS EVENING ARE LIKELY TO PRODUCE DAMAGING WINDS...POSSIBLY AS HIGH AS 70 MPH...WITH A FEW STORMS ALSO PRODUCING HAIL AS LARGE AS AN INCH IN DIAMETER. ISOLATED TORNADOES ARE ALSO POSSIBLE. THESE STORMS WILL MOVE EAST AT 30 TO 40 MPH. THERE WILL STILL BE A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT TONIGHT SOUTH OF INTERSTATE 69...BUT ANY LATE NIGHT STORMS ARE NOT EXPECTED TO BE SEVERE AS THEY MOVE EAST AROUND 30 MPH. A WARM FRONT WILL LIFT NORTHEAST ACROSS THE AREA THIS EVENING AND COMBINE WITH A ROBUST UPPER LEVEL DISTURBANCE COMING OUT OF THE CENTRAL PLAINS TO GIVE RISE TO THE HIGH THUNDERSTORM CHANCES THROUGH 10 PM. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS ANOTHER CHANCE OF THUNDERSTORMS ON THURSDAY...AHEAD OF A COLD FRONT CLEARING THE AREA THURSDAY EVENING. THERE IS A SLIGHT CHANCE THAT SOME OF THESE THUNDERSTORMS WILL BE SEVERE...FROM DETROIT SOUTHWARD TO THE OHIO BORDER. THERE IS ALSO A CHANCE OF THUNDERSTORMS MONDAY THROUGH WEDNESDAY AS AN UPPER LEVEL TROUGH MOVES THROUGH THE CENTRAL GREAT LAKES. .SPOTTER INFORMATION STATEMENT... DISPATCHERS PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY. SPOTTER ACTIVATION WILL BE NEEDED TONIGHT. GSS YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).
The air that afternoon
The radiosonde launches on either side of the tornado, from the nearest station that was launching then, drawn and analyzed the way Storm Lab does: the same diagram, the same parcel and shear definitions SPC's mesoanalysis uses.
Detroit, MI (KDTX), 12:00Z
10.2 hours before the tornado, 113 km from the path. June 21, 2006.
- Mixed-layer CAPE
- 574 J/kg
- Mixed-layer CIN
- -167 J/kg
- Surface CAPE
- 527 J/kg
- Mixed-layer LCL
- 950 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.0
- 0-3 km lapse rate
- 5.2 K/km
Detroit, MI (KDTX), 00:00Z
1.8 hours after it, 113 km from the path. June 22, 2006.
- Mixed-layer CAPE
- 367 J/kg
- Mixed-layer CIN
- -125 J/kg
- Surface CAPE
- 366 J/kg
- Mixed-layer LCL
- 1129 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 203 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.9
- 0-3 km lapse rate
- 5.1 K/km
The surface observations
Adrian (ADG), 21 km from the path, in the two hours either side.
| Time (UTC) | Temp (°F) | Dew point (°F) | Wind | Gust (kt) | Pressure (mb) | Weather |
|---|---|---|---|---|---|---|
| 20:53 UTC | 78 | 70 | 180° 10 kt | 1014.6 | ||
| 21:34 UTC | 77 | 71.6 | 160° 9 kt | 1012.5 | VCTS -RA | |
| 21:53 UTC | 77 | 71 | 100° 10 kt | 1011.9 | -TSRA | |
| 22:03 UTC | 75.2 | 71.6 | 100° 16 kt | 21 | 1010.8 | TSRA BR |
From the Iowa Environmental Mesonet's archive of airport observations.
The radar
The Detroit radar (KDTX), 109 km away, was scanning. The volume nearest the touchdown began at 22:10 UTC.
Open the radar archive at this moment, over the track
Reflectivity and velocity, decoded from the Level II archive in the browser. Volumes take a few seconds to open the first time.
What was reported nearby
Local storm reports within 60 km of the path, in the three hours either side.
| Time (UTC) | Report | Where | County | Remark |
|---|---|---|---|---|
| 21:10 UTC | TSTM WND DMG | 1 S Concord | Jackson, MI | SEVERAL TREES DOWN. POSSIBLE TORNADO. |
| 21:35 UTC | TSTM WND DMG | 1 Nw Hillsdale | Hillsdale, MI | WINDOWS BLOWN OUT OF HOMES AND BUSINESSES. |
| 21:35 UTC | TORNADO | 1 Ne Jonesville | Hillsdale, MI | |
| 21:37 UTC | TSTM WND DMG | 2 N Coldwater | Branch, MI | SEVERAL TREES DOWN |
| 21:47 UTC | TORNADO | 3 S Addison | Lenawee, MI | POSSIBLE TORNADO REPORTED AT BURTON ROAD WITH TREES DOWN. |
| 22:08 UTC | HAIL 0.25 | 4 N Coldwater | Branch, MI | ESTIMATED 40 MPH WINDS |
| 22:13 UTC | FUNNEL CLOUD | 4 N Adrian | Lenawee, MI | |
| 22:13 UTC | HAIL 1.75 | 4 N Adrian | Lenawee, MI | REPORTED AT THE INTERSECTION OF EMERY ROAD AND TIPTON HIGHWAY. |
| 22:20 UTC | HAIL 0.88 | Tecumseh | Lenawee, MI | |
| 22:20 UTC | HAIL 1 | Hillsdale | Hillsdale, MI | SEVERAL REPORTS RECIEVED THROUGH THE COUNTY. |
| 22:23 UTC | TSTM WND DMG | Britton | Lenawee, MI | 4 FT. DIAMETER HEALTHY TREES DOWNED ON BRITTON HWY JUST NORTH OF M-50. |
| 22:23 UTC | HAIL 1 | Adrian | Lenawee, MI | |
| 22:25 UTC | HAIL 0.88 | Coldwater | Branch, MI | ESTIMATED 8 INCH TREE BROKE OFF |
| 22:28 UTC | HAIL 1.25 | 1 N Tecumseh | Lenawee, MI | |
| 22:30 UTC | TSTM WND DMG | 1 Se Hanover | Jackson, MI | MULTIPLE TREES DOWN ACROSS LIBERTY AND ROUND LAKE RD. |
| 22:30 UTC | TSTM WND DMG | Pulaski | Jackson, MI | SEVERAL TREES DOWN. TOP OF GRAIN SILO BLOWN OFF. |
| 22:32 UTC | HAIL 1.5 | Tecumseh | Lenawee, MI | REPORTED ON M-50 NORTH OF DOWNTOWN. |
| 22:35 UTC | FUNNEL CLOUD | 1 N Petersburg | Monroe, MI | |
| 22:50 UTC | TSTM WND DMG | 1 W Dundee | Monroe, MI | TREES DOWN NEAR MILE MARKER 20 ON US-23. |
| 22:50 UTC | HAIL 1.75 | Dundee | Monroe, MI | |
| 22:50 UTC | HAIL 1.75 | Petersburg | Monroe, MI | |
| 22:52 UTC | HAIL 1 | Fairfield | Lenawee, MI | |
| 22:55 UTC | TSTM WND DMG | 1 N Adrian | Lenawee, MI | POLE DOWN ON ROADWAY |
| 22:58 UTC | TSTM WND DMG | 2 N Adrian | Lenawee, MI | TREE LIMBS BLOCKING ROADWAY. |
| 23:03 UTC | TSTM WND DMG | 4 Ne Onsted | Lenawee, MI | HAYES CAMPGROUND WITH TREE ON VACANT TRAILER. |
| 23:04 UTC | TSTM WND DMG | Tecumseh | Lenawee, MI | POWERLINES AND TREES DOWN. |
| 23:06 UTC | TSTM WND DMG | 2 N Adrian | Lenawee, MI | TREE BLOCKING BENT OAK HIGHWAY ON THE INTERSECTION OF HUNT ROAD. |
| 23:11 UTC | TSTM WND DMG | 2 Nne Adrian | Lenawee, MI | TREE DOWN AT SPIELMAN HEIGHTS |
| 23:50 UTC | HAIL 1.75 | Dundee | Monroe, MI | |
| 23:50 UTC | HAIL 1.75 | Petersburg | Monroe, MI | |
| 00:50 UTC | HAIL 0.75 | 4 Nw Adrian | Lenawee, MI | |
| 01:00 UTC | FLASH FLOOD | Adrian | Lenawee, MI | PARTS OF M34 AND US223 ARE CLOSED WITH SEVERAL FEET OF WATER REPORTED OVER PARTS OF THE ROADWAY. DISPATCH REPORTED A SUCCESSFUL RESCUE NEAR BLISSFIELD DUE TO A VEHICLE UNDER WATER. |
From the Iowa Environmental Mesonet's archive of National Weather Service local storm reports.
This ground now
The live radar over the trackEvery 2006 tornado in MichiganEvery tornado in Michigan since 1950Warnings in force in Michigan nowThe forecast where you are
The other tornadoes of June 21, 2006
13 more were confirmed in the United States that day.
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|---|---|---|---|---|---|---|---|
| June 21 | 3:45 PM CDT | F0 | Deaf Smith, TX | 0.1 | 25 | |||
| June 21 | 5:30 PM CDT | F0 | Hansford, TX | 0.2 | 50 | |||
| June 21 | 5:38 PM CDT | F0 | Hansford, TX | 0.2 | 50 | |||
| June 21 | 7:17 PM EDT | F2 | Charlotte, FL | 3.0 | 70 | 3 | $500,000 | |
| June 21 | 6:24 PM CDT | F0 | Texas, OK | 0.2 | 50 | |||
| June 21 | 5:25 PM MDT | F1 | Rio Blanco, CO | 1.0 | 50 | $40,000 | ||
| June 21 | 6:27 PM CDT | F0 | Beaver, OK | 0.1 | 50 | |||
| June 21 | 7:27 PM EDT | F0 | Charlotte, FL | 0.5 | 30 | $30,000 | ||
| June 21 | 6:27 PM CDT | F0 | Beaver, OK | 0.1 | 50 | |||
| June 21 | 6:46 PM CDT | F1 | Texas, OK | 2.0 | 300 | $700,000 | ||
| June 21 | 7:08 PM CDT | F0 | Sherman, TX | 0.1 | 25 | |||
| June 21 | 7:10 PM CDT | F0 | Hansford, TX | 0.2 | 50 | |||
| June 21 | 6:46 PM MDT | F0 | Yuma, CO | 0.3 | 20 |
What this means
Ratings are the survey's, read off the damage rather than measured; the rating scale is above. Tornado counts rise through the record as reporting improved, so a year in the 1950s is not comparable with one today except for the strongest tornadoes, which were always noticed.
Sources
NOAA Storm Prediction Center tornado database, 1950-2025, the official record kept by NOAA's Storm Prediction Center.