Alert archive / Michigan / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 138, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Sep 3, 2011, 9:04 PM EDT for Monroe County, Wayne County, Michigan. It was in force for 22 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 3, 2011, 9:04 PM EDT (01:04 UTC)
- Expired
- Sep 3, 2011, 9:26 PM EDT
- In force
- 22 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Monroe County, MI, Wayne County, MI
The radar
The Detroit radar (KDTX), 67 km from the middle of the area, began a volume at 01:04 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 3, 4:05 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 1.1 hours before the alert went out and 69 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
- 2681 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 1188 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.5
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.
NWS Detroit, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 3, 7:23 PM EDT, 1 hour 41 minutes earlier.
Area forecast discussion, Sep 3, 7:23 PM EDT, 1 hour 41 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 723 PM EDT SAT SEP 3 2011 .AVIATION... //DISCUSSION... THE MOST ACTIVE PERIOD FOR THUNDERSTORM ACTIVITY WILL BE DURING THE EVENING IN THE UNSTABLE AIR MASS AHEAD OF THE COLD FRONT. A SECONDARY MAXIMUM FOR STORMS WILL MOVE IN WITH THE PREFRONTAL TROUGH LATER THIS EVENING THROUGH THE OVERNIGHT HOURS BUT IS MAINLY EXPECTED TO AFFECT THE TRI CITIES AND FLINT MORE THAN THE DETROIT AREA. THIS WILL BE FOLLOWED BY SHOWERS OVER THE ENTIRE AREA ASSOCIATED WITH THE COLD FRONT ITSELF LATE TONIGHT THROUGH ABOUT MID SUNDAY MORNING. THIS WILL BE ACCOMPANIED AND FOLLOWED BY A PERIOD OF MVFR CEILING. DRY CONDITIONS AND IMPROVEMENT TO VFR IS THEN EXPECTED FOR SUNDAY AFTERNOON BUT AS NORTHWEST WINDS INCREASE TO 20 KNOT GUSTS. FOR DTW...AT LEAST TWO CLUSTERS OF THUNDERSTORMS OVER SOUTHWEST LOWER MICHIGAN AND NORTHERN INDIANA WILL IMPACT THE DTW AREA DURING THE EVENING, FOLLOWED CLOSELY BY ANOTHER PATTERN OF SHOWERS IN ADVANCE OF THE COLD FRONT. WHILE SHOWERS WILL HAVE GENEROUS COVERAGE, THUNDERSTORM POTENTIAL WILL BE LOWER AFTER MIDNIGHT THROUGH MID SUNDAY MORNING. //DTW THRESHOLD THREATS... * HIGH CONFIDENCE ON THUNDERSTORM POTENTIAL WITH MEDIUM CONFIDENCE ON TIMING TONIGHT. && .PREV DISCUSSION...ISSUED 318 PM EDT SAT SEP 3 2011 SHORT TERM...THIS AFTERNOON AND TONIGHT LATEST UPPER AIR/WATER VAPOR ANALYSIS SHOWING THE MAIN AMPLIFYING MID LEVEL WAVE DIGGING ACROSS THE NORTHERN PLAINS...WHILE A LEAD SHORTWAVE EMERGES EASTWARD WITHIN THE EXPANDING DOWNSTREAM HEIGHT FALL REGION ACROSS IOWA. SUSTAINED AREA OF CONVECTION ANCHORED ALONG AN OLD GUST FRONT CONTINUES TO SLIDE ACROSS NORTHERN IL...WHILE MORE SPOTTY DEVELOPMENT LINKS TO THE THETA-E RIDGE EXTENDING FROM SOUTHERN LAKE MICHIGAN INTO THE SAGINAW VALLEY/ THUMB. WELL ESTABLISHED MID LEVEL CAPPING MAINTAINING A VIRTUALLY CLOUD FREE ENVIRONMENT TO THE SOUTHEAST OF THIS AXIS...WITH THE FULL INSOLATION YIELDING HIGHS INTO THE LOW/MID 90S FROM THE NORTHERN DETROIT SUBURBS SOUTHWARD. STRONG MID LEVEL ASCENT/HEIGHT FALLS WILL RAPIDLY EXPAND EASTWARD THROUGH THE NIGHT WHILE DRIVING THE ASSOCIATED COLD FRONT INTO THE LOWER PENINSULA. THE SOUTHERN FLANK OF THIS FORCING FIELD WILL RESIDE WITHIN FAVORABLE EXIT REGION JET DYNAMICS CARRYING 30-40 KNOTS OF DEEP LAYER SHEAR. STRONG HEATING IN ADVANCE OF THIS FORCING...WHERE MUCAPE VALUES SIT AT 3 KJ/KG AND 0-1KM MLCAPE COULD APPROACH 2 KJ/KG...WILL PROVIDE A THERMODYNAMIC ENVIRONMENT CONDUCIVE FOR ORGANIZED DEVELOPMENT AND UPSCALE GROWTH OF CONVECTION AS THE CAP BEGINS TO WEAKEN FROM NORTHERN IL INTO SOUTHEAST MI THROUGH THE LATE EVENING AND EARLY OVERNIGHT HOURS /00Z-06Z/. LOWER END POTENTIAL DOES EXIST FOR CONVECTION TO BUST THE CAP AND INITIATE LOCALLY WITHIN THE 21-00Z WINDOW SOUTH OF M-59...GIVEN THE STRONGER THERMAL RESPONSE TO THE FULL INSOLATION SEEN IN THIS CORRIDOR AND THE PRESENCE OF A SHALLOW/REMNANT OUTFLOW LEFT BEHIND FROM THE MORNING MCS TO THE NORTH. ANY LEAD CONVECTION ARRIVING FROM THE WEST WILL CARRY A SEVERE HAIL/WIND THREAT GIVEN THE DEGREE OF INSTABILITY AND JUST ENOUGH UNIDIRECTIONAL/DEEP LAYER SHEAR IN PLACE. IN ADDITION...POTENTIAL FOR A LOWER LEVEL FGEN RESPONSE IN THE PRESENCE OF GOOD UPPER JET DYNAMICS AND ELEVATED PW VALUES /1.75"/ MAY RESULT IN HEAVY RAINFALL OVERNIGHT. THIS SETUP CONTINUES TO SUPPORT LIKELY POPS THROUGHOUT THE TONIGHT PERIOD. LONG TERM...SUNDAY THROUGH SATURDAY LOW LEVEL FRONTOGENESIS AND A NARROW BAND DEFORMATION FLOW WILL FAVOR SHOWERS CONTINUING INTO SUNDAY MORNING FOR MUCH OF THE FORECAST AREA BEFORE THE DRY SLOT SWINGS THROUGH IN THE EARLY AFTERNOON. MONDAY THROUGH TUESDAY NIGHT CONTINUE TO BE A LITTLE PROBLEMATIC TEMPERATURE-WISE AS THE REMNANTS OF TS LEE ARE PULLED NORTHWARD. THE 12Z MODEL SUITE MAINTAINS THAT SE MI WILL BE EMBEDDED WITHIN A N-S PRESSURE GRADIENT RESULTING IN MORE EFFICIENT COLD ADVECTION LATE SUNDAY INTO MONDAY. THE GFS HAS TRENDED COOLER...THE NAM MARKEDLY SO. HOWEVER... NAM CONTINUES TO BE AN OUTLIER IN MANY REGARDS AS IT HAS FOR MUCH OF THE WEEK. THE GFS/ECMWF ARE THE PREFERRED GUIDANCE FOR THE BALANCE OF THE LONG TERM PERIOD. MONDAY THROUGH TUESDAY NIGHT...850MB TEMPS ON MONDAY WILL FALL INTO THE LOW TO MID SINGLE DIGITS. THE 12Z MAV GUIDANCE IS ABOUT 8F COOLER ACROSS THE NORTH AND 4-5F COOLER ACROSS THE SOUTH COMPARED TO ITS PREVIOUS RUN...PRESUMABLY THE RESULT OF AN UPDATED SOLUTION FOR THE HANDLING OF TS LEE. AM STILL NOT READY TO JUMP THE GUN ON HAVING THE ENTIRE CWA FAIL TO REACH 65F FOR A HIGH ON MONDAY...BUT CONFIDENCE IN SOMETHING A TOUCH COOLER THAN THE INHERITED FORECAST IS INCREASED...SO WILL BLEND MONDAY'S FORECAST HIGHS WITH THE LATEST MAV TO GIVE THEM A SLIGHT NUDGE DOWNWARD. SHOWERS WILL ALSO BE A FAIRLY GOOD BET ON MONDAY BUT MAINLY OVER THE WATER WHERE INSTABILITY WILL BE GREATER. OVER LAND...WE WILL AT LEAST SEE A ROBUST CU DECK WITH THE POTENTIAL FOR DIURNAL SHOWER ACTIVITY BY AFTERNOON AS 0-3KM LAPSE RATES STEEPEN. SLIGHT TEMPERATURE MODERATION CAN BE EXPECTED INTO TUESDAY. FOR WEDNESDAY AND BEYOND...CONTINUED MINOR HEADACHES RELATED TO TROPICAL WX. THE GFS HAS TRENDED STRONGLY TOWARD THE ECMWF IN DEPICTING WHAT THE WRF GLOBAL HAS SHOWN FOR DAYS NOW...AND THAT IS PART OF TS LEE BEING SHEARED AWAY AS IT IS LIFTED NORTHWARD BY THE UPPER TROUGH WHILE THE BULK OF THE CIRCULATION IS LEFT BEHIND OVER THE OHIO VALLEY AND IS CUTOFF FROM THE MEAN FLOW. ASSUMING THIS SOLUTION TO BE A VALID ONE...AND IF THE PREFERRED GUIDANCE IS ANY INDICATION...THE END OF THE WEEK MAY FEATURE A ZONALLY ORIENTED RIDGE AXIS EXTENDING ACROSS THE NORTHERN LAKES WITH THE RESULTANT PRESSURE GRADIENT ADVECTING THE LEE'S REMNANTS WESTWARD ACROSS THE SOUTHERN LAKES OR OHIO VALLEY...BUT NOT READY TO INTRODUCE POPS ATTM. MARINE... A WEAK GRADIENT WILL MAINTAIN LIGHT WINDS ACROSS THE LAKES THROUGH TONIGHT. DEEPENING LOW PRESSURE TRACKING ACROSS UPPER MICHIGAN TONIGHT WILL SEND A COLD FRONT THROUGH THE REGION EARLY SUNDAY. NORTHWESTERLY WINDS WILL INCREASE SUNDAY INTO MONDAY BEHIND THIS FRONT AS COOLER AIR ADVANCES INTO THE REGION. THIS MAY LEAD TO SMALL CRAFT ADVISORY CONDITIONS ON MONDAY. CONDITIONS WILL ALSO BECOME FAVORABLE FOR WATERSPOUT DEVELOPMENT DURING THIS TIME. && .DTX WATCHES/WARNINGS/ADVISORIES... MI...NONE. LAKE HURON...NONE. LAKE ST CLAIR...NONE. MI WATERS OF LAKE ERIE...NONE. && AVIATION.....BT SHORT TERM...MR LONG TERM....JVC MARINE.......MR YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).
Hazardous weather outlook, Sep 3, 4:40 PM EDT, 4 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 440 PM EDT SAT SEP 3 2011 MIZ055-060>063-068>070-075-076-082-083-042045- SANILAC-SHIAWASSEE-GENESEE-LAPEER-ST. CLAIR-LIVINGSTON-OAKLAND- MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE- 440 PM EDT SAT SEP 3 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST MICHIGAN. .DAY ONE...THROUGH TONIGHT SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED THROUGH TONIGHT. A SEVERE THUNDERSTORM WATCH IS NOW IN EFFECT UNTIL MIDNIGHT. THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 70 MPH AND HAIL TO ONE INCH IN DIAMETER. AN ISOLATED TORNADO IS ALSO POSSIBLE. ANY THUNDERSTORM THAT DEVELOPS TODAY WILL PRODUCE TORRENTIAL RAINFALL. THERE IS A CHANCE OF SOME LOCALIZED FLOODING TODAY AND TONIGHT... ESPECIALLY IN MORE URBANIZED AREAS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THERE IS A CHANCE OF THUNDERSTORMS ON SUNDAY AS THE COLD FRONT SLIDES ACROSS THE REGION. .SPOTTER INFORMATION STATEMENT... DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY. SPOTTER ACTIVATION HAS ALREADY OCCURRED. LCZ422-423-460-LEZ444-LHZ361>363-421-422-441>443-462>464-042045- ST. CLAIR RIVER-DETROIT RIVER-LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT BEYOND 5 NM OFF SHORE- LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND 5NM OFF SHORE- LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE- OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI- PORT SANILAC TO PORT HURON MI- LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE- LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE- LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE- 440 PM EDT SAT SEP 3 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE HURON AND LAKE ST CLAIR. .DAY ONE...THROUGH TONIGHT SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED THROUGH TONIGHT. A SEVERE THUNDERSTORM WATCH IS NOW IN EFFECT UNTIL MIDNIGHT ACROSS SOUTHERN LAKE HURON...LAKE ST CLAIR AND THE MICHIGAN WATERS OF LAKE ERIE. THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 70 MPH AND HAIL TO ONE INCH IN DIAMETER. AN ISOLATED TORNADO IS ALSO POSSIBLE. ANY THUNDERSTORM THAT DEVELOPS TODAY WILL PRODUCE TORRENTIAL RAINFALL. THERE IS A CHANCE OF SOME LOCALIZED FLOODING TODAY AND TONIGHT... ESPECIALLY IN MORE URBANIZED AREAS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THERE IS A CHANCE OF THUNDERSTORMS ON SUNDAY AS THE COLD FRONT SLIDES ACROSS THE REGION. SMALL CRAFT ADVISORY CONDITIONS ARE POSSIBLE ON LAKE HURON ON MONDAY. .SPOTTER INFORMATION STATEMENT... DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY. SPOTTER ACTIVATION HAS ALREADY OCCURRED. MIZ047>049-053-054-042045- MIDLAND-BAY-HURON-SAGINAW-TUSCOLA- 440 PM EDT SAT SEP 3 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST MICHIGAN. .DAY ONE...THROUGH TONIGHT SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED THIS EVENING AND TONIGHT. THERE IS A SLIGHT CHANCE OF SEVERE WEATHER WITH THESE STORMS. THE BEST CHANCE FOR SEVERE WEATHER WILL BE BETWEEN 6 PM AND MIDNIGHT. THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 60 MPH AND HAIL TO ONE INCH IN DIAMETER. AN ISOLATED TORNADO IS ALSO POSSIBLE. ANY THUNDERSTORM THAT DEVELOPS DURING THIS TIME WILL PRODUCE TORRENTIAL RAINFALL. THERE IS A CHANCE OF SOME LOCALIZED FLOODING...ESPECIALLY IN MORE URBANIZED AREAS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THERE IS A CHANCE OF THUNDERSTORMS ON SUNDAY AS THE COLD FRONT SLIDES ACROSS THE REGION. .SPOTTER INFORMATION STATEMENT... DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY. SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING AND TONIGHT. MR YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).
In the hours before
Special weather statement, Sep 3, 8:19 PM EDT, 45 minutes before
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</html>Special weather statement, Sep 3, 8:27 PM EDT, 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 827 PM EDT SAT SEP 3 2011 MIZ063-069-070-076-040115- MACOMB MI-OAKLAND MI-ST. CLAIR MI-WAYNE MI- 827 PM EDT SAT SEP 3 2011 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN WAYNE...SOUTHERN ST. CLAIR...MACOMB AND OAKLAND COUNTIES UNTIL 915 PM EDT... AT 824 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM MILFORD TO DETROIT...AND MOVING NORTHEAST AT 30 MPH. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. THESE STORMS WILL BE NEAR... OAK PARK...LATHRUP VILLAGE...FRANKLIN...COMMERCE...SOUTHFIELD... HIGHLAND PARK AND HAMTRAMCK AROUND 835 PM EDT. WHITE LAKE...WEST BLOOMFIELD...HUNTINGTON WOODS...HAZEL PARK... BEVERLY HILLS...BERKLEY AND ROYAL OAK AROUND 840 PM EDT. THESE STORMS MAY INTENSIFY...AND A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THIS AREA. BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. KURIMSKI/CLARK
Special weather statement, Sep 3, 8:47 PM EDT, 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 847 PM EDT SAT SEP 3 2011 MIZ069-040130- OAKLAND MI- 847 PM EDT SAT SEP 3 2011 ...SIGNIFICANT WEATHER ADVISORY FOR WESTERN OAKLAND COUNTY UNTIL 930 PM EDT... AT 844 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7 MILES NORTHWEST OF WEST BLOOMFIELD...OR 7 MILES NORTHEAST OF MILFORD...MOVING NORTHEAST AT 35 MPH. HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. THIS STORM WILL BE NEAR... SYLVAN LAKE AND CLARKSTON AROUND 855 PM EDT. PONTIAC AROUND 900 PM EDT. AUBURN HILLS AROUND 905 PM EDT. LAKE ORION AND OXFORD AROUND 910 PM EDT. LAKEVILLE AROUND 920 PM EDT. THIS STORM MAY INTENSIFY...AND A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THIS AREA. BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. KURIMSKI/CLARK
Local storm report, Sep 3, 8:49 PM EDT, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
849 PM EDT SAT SEP 03 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0841 PM TSTM WND GST FERNDALE 42.46N 83.13W
09/03/2011 E60 MPH OAKLAND MI AMATEUR RADIO
MULTIPLE REPORTS OF 60 MPH WIND ESTIMATES AND POWER
OUTAGES THROUGH ROYAL OAK AND MADISON HEIGHTS.
&&
MOSTEIKOLocal storm report, Sep 3, 8:52 PM EDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
852 PM EDT SAT SEP 03 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0650 PM TSTM WND DMG RIVER ROUGE 42.27N 83.12W
09/03/2011 WAYNE MI BROADCAST MEDIA
DAMAGE TO STRUCTURES AT RIVER ROUGE DAYS FESTIVAL.
SEVERAL INJURIES REPORTED
&&
MOSTEIKOSpecial weather statement, Sep 3, 8:56 PM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 856 PM EDT SAT SEP 3 2011 MIZ076-083-040130- MONROE-WAYNE- 856 PM EDT SAT SEP 3 2011 ...SIGNIFICANT WEATHER ADVISORY... AT 852 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 5 MILES NORTHWEST OF MONROE...MOVING EAST AT 30 MPH. ONE HALF INCH DIAMETER HAIL...WINDS UP TO 50 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...BRIEF HEAVY DOWNPOURS...ARE POSSIBLE WITH THIS STORM. * THE THUNDERSTORM WILL BE NEAR... CARLETON BY 905 PM EDT... GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED. MR
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 8:17 PM EDT | Special Marine Warning | DTX | 58 min | |
| Sep 3, 8:24 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee, Monroe | 30 min |
| Sep 3, 8:32 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Oakland | 53 min |
| Sep 3, 8:46 PM EDT | Special Marine Warning | DTX | 42 min | |
| Sep 3, 9:08 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair | 37 min |
| Sep 3, 9:13 PM EDT | Special Marine Warning | DTX | 77 min | |
| Sep 3, 9:38 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 40 min |
| Sep 3, 10:41 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 29 min |
| Sep 4, 12:15 AM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 45 min |
| Sep 4, 12:39 AM EDT | Severe Thunderstorm Warning | DTX | Saint Clair, Sanilac, Tuscola | 81 min |
| Sep 4, 12:53 AM EDT | Special Marine Warning | DTX | 73 min | |
| Sep 4, 3:42 AM EDT | Small Craft Advisory | DTX | 5 days |
Nearby
Severe Thunderstorm Warnings in Michigan, 2011Every severe thunderstorm warning in 2011
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; radar from the NEXRAD Level II archive.