A thunderstorm dropped three quarter inch diameter hail near Little Girls Point on the morning of the 1st.
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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.
The episode as NWS MQT wrote it up.
A thunderstorm dropped three quarter inch diameter hail near Little Girls Point on the morning of the 1st.
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 Marquette, MI wrote its last area forecast discussion before the first event at Aug 1, 5:35 AM CST, 5 hours 31 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MARQUETTE MI 735 AM EDT WED AUG 1 2012 .SHORT TERM...(TODAY AND TONIGHT) ISSUED AT 512 AM EDT WED AUG 1 2012 THE PERSISTENT UPPER RIDGE REMAINS OVER THE PLAINS STATES THIS MORNING...WHICH IS KEEPING THE UPPER WAVES RUNNING THROUGH SRN CANADA. THE FIRST WAVE IS MOVING THROUGH SRN ONTARIO AND NRN LK SUPERIOR. THE SHOWERS/THUNDERSTORMS THAT WERE ASSOCIATED WITH THE WAVE HAVE GREATLY DIMINISHED EARLY THIS MORNING AS IT PUSHED INTO THE DRIER/STABLE AIR FROM THE HIGH OVER THE CNTRL GREAT LKS. THE SECOND WAVE IS PRODUCING ANOTHER AREA OF THUNDERSTORMS IN WRN ONTARIO...JUST TO THE EAST OF A SFC HIGH NEAR LK WINNIPEG AND ALONG A SFC TROUGH. THESE THUNDERSTORMS LOOK TO SLIDE TO THE ESE AND MAY TRY TO IMPINGE ON ON NRN LK SUPERIOR LATE THIS MORNING IF THEY CAN HOLD TOGETHER. THEN THE THIRD WAVE...WHICH MAY BE ONE OF THE WX PRODUCERS THIS AFTN AND TONIGHT...IS LOCATED IN SW SASK. CLOSER TO HOME...HIGH PRESSURE HAS BEEN DOMINATING THE UPPER GREAT LKS AND LED TO MOSTLY CLEAR SKIES AND TEMPERATURES FALLING INTO THE UPPER 40S TO LOWER 60S. TODAY...WITH THE FIRST COUPLE OF SHORTWAVES STAYING TO THE N OF UPPER MI AND HIGH PRESSURE EXITING...EXPECT A MOSTLY SUNNY START TO THE DAY. WV IMAGERY THIS MORNING SHOWING SUBSTANTIAL DRY AIR BETWEEN THE SHORTWAVES IN CANADA AND THE BETTER MOISTURE UNDER THE UPPER RIDGE IN THE PLAINS AND DAKOTAS. THIS MAY BE ONE OF THE LIMITING FACTORS FOR CONVECTION TODAY...ALTHOUGH THERE IS A LITTLE MORE MOISTURE AHEAD OF THE DAKOTAS COLD FRONT IN NRN MN WHICH HAS TRIED TO PRODUCE A FEW MID CLOUDS EARLY THIS MORNING. THE LOW AND COLD FRONT ARE EXPECTED TO SHIFT TO THE ESE TODAY...REACHING NW LAKE SUPERIOR AND SRN ONTARIO BY 00Z THURS. MEANWHILE...H850 SWRLY FLOW WILL INCREASE ACROSS THE CWA TODAY AHEAD OF THE H850 TROUGH. THIS WILL LEAD TO LIGHT/MODERATE WAA OVER THE WRN LK AND WRN LK SUPERIOR THIS AFTN. WITH DRY AIR LIKELY ASSOCIATED WITH THIS WAA...THINKING THIS WILL CAP ANY SFC BASED CONVECTION OVER THE NW HALF OF THE CWA. THUS...FEEL LIKE THE BEST CHANCE FOR CONVECTION WILL ALIGN WITH THE COLD FRONT MOVING INTO WRN LK SUPERIOR LATE IN THE AFTN AFTER THE WARM TONGUE SLIDES EAST. THEREFORE...HAVE TRIMMED BACK POPS UNTIL THE MID/LATE AFTN PERIOD OVER THE WEST TO ACCOUNT FOR THE CAPPING. IF STORMS CAN DEVELOP OVER FAR WRN UPPER MI...COULD SEE THEM BECOME STRONG AS ML CAPE VALUES LOOK TO INCREASE TO 1300-2200 J/KG AHEAD OF THE COLD FRONT IN NW WI AND WRN UPPER MI LATE THIS AFTN. 0-6KM BULK SHEAR VALUES ARE AROUND 35-40KTS...SO INSTABILITY AND SHEAR WOULD POINT TO A SEVERE POTENTIAL. WITH THE AREA OF BEST INSTABILITY AND COLD FRONT...WOULD THINK THE BEST CHANCE FOR DEVELOPMENT WOULD BE IN NW WI AND FAR WRN UPPER MI. IF STORMS DEVELOP...THEY WOULD SLIDE TO THE ESE MAINLY OVER THE COUNTIES NEAR THE WI BORDER THROUGH THE EVENING HOURS. AS FOR HIGHS TODAY...THE ABUNDANT SUNSHINE IN THE MORNING AND H875-850 TEMPS AROUND 20C W AND 18C EAST SHOULD PRODUCE HIGHS IN THE MID TO UPPER 80S OVER THE WEST. MEANWHILE...AREAS OVER THE EAST WILL BE SLIGHTLY COOLER...ESPECIALLY NEAR LK MI EAST OF GARDEN CORNERS DUE TO FLOW OFF LK MI. TONIGHT/S FORECAST WILL LARGELY DEPEND ON CONVECTIVE DEVELOPMENT...AS THE SHORTWAVE IN MANITOBA SLIDES THROUGH THE FLOW AND ACROSS SRN ONTARIO AND NRN LK SUPERIOR AND THE SFC LOW FOLLOWS SUIT. AS THAT AREA IS UNDER THE FAVORABLE LEFT FRONT OF THE UPPER JET AND BEST DYNAMICS/MOISTURE...WILL CARRY HIGHEST POPS THERE. FARTHER S OVER UPPER MI...THINGS ARE A LITTLE TRICKY. FIRST...THE AREA IS UNDER THE UNFAVORABLE RIGHT FRONT OF UPPER JET AND WITH THE EXPECTED DRY AIR HAVE VERY LARGE CONCERNS ON ANY DEVELOPMENT. THE MOISTURE THAT IS OVER SD THIS MORNING WILL TRY TO PUSH TOWARDS THE AREA...BUT WILL LIKELY BE STUCK IN WI. THINK FORCING IS THERE...WITH THE COLD FRONT MOVING THROUGH TONIGHT...BUT THE LIMITED MOISTURE MAY BE TOO MUCH TO OVERCOME FOR MORE WIDESPREAD CONVECTION. THUS...WILL LOWER POPS SOME BUT STILL KEEP IN THE CHANCE CATEGORY. WITH THE DRY AIR AROUND...THINK STRONG WINDS WOULD BE THE MAIN CONCERN WITH ANY STORMS THAT WILL DEVELOP AND CONTINUE TO MENTION THE STRONG THUNDERSTORMS IN THE HWO. FINALLY...NW FLOW AND INCREASING LLVL MOISTURE FROM CANADA BEHIND THE FRONT SHOULD LEAD TO SCATTERED STRATUS DEVELOPMENT OVER AT LEAST THE NW HALF OF THE CWA BY 12Z THURS. .LONG TERM...(THURSDAY THROUGH TUESDAY) ISSUED AT 512 AM EDT WED AUG 1 2012 WILL START OFF THE PERIOD WITH UPPER MI WEDGED BETWEEN STRONG 500MB RIDGING OVER MUCH OF THE WESTERN AND CENTRAL CONUS...AND STRONG TROUGHING CENTERED JUST NORTH OF JAMES BAY. THIS SET UP WILL SUSTAIN THE NORTHWEST FLOW OVER THE REGION THROUGH FRIDAY...AT WHICH POINT A STRONG 500MB CLOSED SHORTWAVE ALONG THE WESTERN US/CANADIAN BORDER WILL BEGIN TRACKING TOWARDS THE UPPER GREAT LAKES REGION. AS IT NEARS...EXPECT SHORTWAVE TO DEEPEN FURTHER AND STRONG TROUGHING TO DEVELOP OVER THE NORTHEAST CONUS...CONTINUING THROUGH MONDAY. NORTHWEST FLOW WILL RETURN FOR REMAINDER OF FORECAST PERIOD WITH RIDGING REGAINING CONTROL. THURSDAY MORNING WILL BEGIN WITH AN EXITING UPPER LEVEL SHORTWAVE AND SURFACE LOW PRESSURE LAGGING SLIGHTLY BEHIND OVER UPPER MI. WITH BEST FORCING OUT AHEAD OF THE ASSOCIATED SURFACE COLD FRONT...CHANCES FOR PRECIP WILL BE EXITING DURING THE DAY. HOWEVER...WITH LINGERING MOISTURE IN PLACE AND A WEAKER COLD FRONT MOVING FROM NORTH TO SOUTH ACROSS THE AREA DURING THE DAY...COULD SPAWN SOME SCATTERED PRECIP INTERIOR WEST. BEST INSTABILITY WILL BE DURING THE LATE MORNING HOURS NEAR THE WI BORDER AND FAR SOUTH CENTRAL...WITH ML CAPE VALUES BETWEEN 1000-1200 J/KG. HOWEVER...WITH HIGH PRESSURE TRYING TO MOVE IN FROM THE NORTH...FORECAST SOUNDINGS SHOW AN LARGE INFLUX OF DRY AIR IN THE MID AND UPPER LEVELS DURING THE MORNING HOURS...SO AS THIS DRY AIR CONTINUES TO WORK TO THE SURFACE...ANY REMAINING PRECIP/CONVECTION CHANCES SHOULD DIMINISH THROUGH THE AFTERNOON. WITH EXITING LOW AND INCOMING HIGH...ALONG WITH CONTINUED NORTHWESTERLY FLOW ALOFT...EXPECT COOLEST CONDITIONS NEAREST THE LAKE /UPPER 60S AND LOW 70S/. SOUTH CENTRAL COULD SEE TEMPS IN THE UPPER 70S AND LOW 80S...WITH NO LAKE INFLUENCE/LIGHT WINDS/AND SUNNY SKIES...ALSO CONTRIBUTING TO THE HIGHER INSTABILITY IN THESE AREAS. RIDGING PATTERN SHOULD REMAIN ACROSS THE UPPER GREAT LAKES THROUGH THURSDAY NIGHT. AT THIS POINT...ABOVE MENTIONED 500MB SHORTWAVE WILL HAVE MOVED INTO SASKATCHEWAN WHILE CONTINUING TO DEEPEN. DURING THE DAYTIME HOURS FRIDAY...SURFACE WINDS WILL BEGIN TO VEER TO THE SOUTH DURING PASSAGE OF SURFACE WARM FRONT...STRENGTHENING DURING THE OVERNIGHT HOURS INTO SATURDAY. THIS WILL ALLOW FOR THE INFLUX OF WAA ACROSS THE REGION FRIDAY THROUGH SATURDAY MORNING. FORECASTED NAM SOUNDINGS SHOW INFLUX OF MID LEVEL MOISTURE WITH APPROACHING MID AND HIGH CLOUDS MOVING IN BY 13Z FRIDAY. CLOUD COVER WILL CONTINUE TO SPREAD ACROSS WESTERN AND CENTRAL UPPER MI DURING THE DAY...REACHING THE EAST BY FRIDAY NIGHT. WITH SUCH A WARM MOIST AIRMASS IN PLACE...COULD SEE SHRA/TSRA DEVELOPMENT BY EARLY FRIDAY AFTERNOON AHEAD OF MAIN SYSTEM. EASTERN FRINGE OF BROAD AREA OF QVECTOR CONVERGENCE WILL REACH WESTERN UPPER MI ABOUT THIS TIME...WITH 0-3KM COMPUTED CAPE VALUES REACHING IN EXCESS OF 400 J/KG. SOUNDINGS SHOW STRONG VEERING AND SHEAR THROUGH THE COLUMN WITH A WELL DEFINED ELEVATED MIXED LAYER. HOWEVER...THE POTENTIAL OF ANY SEVERE STORM DEVELOPMENT WILL RELY SOLELY ON BREAKING THE STRONG CAP IN PLACE. IF SO...COULD SEE SOME IMPRESSIVE STORMS WEST DURING THE AFTERNOON HOURS. STORM POTENTIAL WILL CONTINUE INTO THE OVERNIGHT HOURS WITH WARM MOIST AIRMASS AND LOCATION JUST AHEAD OF SURFACE COLD FRONT...THOUGH LOSS OF DAYTIME HEATING WILL LESSEN BEST INSTABILITY. MODELS ARE IN GOOD AGREEMENT OF MAIN PRECIPITATION SHIELD REACHING WESTERN UPPER MI BY LATE FRIDAY NIGHT INTO SATURDAY MORNING...TRAVERSING THE AREA THROUGH SUNDAY MORNING. BEST INSTABILITY FOR THE SYSTEM WILL BE REACHED DURING THE EARLY AFTERNOON HOURS SATURDAY RIGHT BEFORE PASSAGE OF COLD FRONT. WITH SUCH A SETUP...EXPECT A LINE OF POTENTIALLY SEVERE STORMS TO DEVELOP AND MOVE FROM WEST TO EAST DURING THE AFTERNOON FOLLOWED BY A LARGE PRECIPITATION SHIELD. SURFACE LOW PRESSURE WILL TIGHTEN SUBSTANTIALLY DURING THIS TIME...SO EXPECT STRONG AREA OF MOISTURE /170 PERCENT OF NORMAL PWAT VALUES/ TO ORGANIZE OVER THE EASTERN UP BY SATURDAY AFTERNOON AND EVENING...WITH HIGHEST VALUES OF QPF FROM THIS SYSTEM EXPECTED. BY SUNDAY AFTERNOON...MAIN SHORTWAVE WILL BE JUST TO THE NORTH OF THE UPPER GREAT LAKES REGION...MOVING EAST TOWARDS JAMES BAY BY EVENING.THIS WILL PUT UPPER MI BACK IN NORTHWEST FLOW THROUGH THE REMAINDER OF THE FORECAST PERIOD...WITH INFLUX OF DRY AIR EFFECTIVELY CUTTING OFF PRECIP CHANCES BY SUNDAY AFTERNOON. MODELS BECOME FAIRLY UNRELIABLE AFTER THIS POINT...WITH ECMWF MODEL KEEPING US IN A DRY NORTHWEST FLOW/RIDING PATTERN...AND GFS DEVELOPING ANOTHER STRONG CLOSED OFF SHORTWAVE THAT WILL MOVE TO THE NORTH OF LAKE SUPERIOR DURING THE DAY TUESDAY. IF THE ECMWF PANS OUT...UPPER MI WILL REMAIN DRY WITH SOME PRECIP CHANCES OVER LAKE SUPERIOR. THE OPPOSITE WILL BE TRUE FOR THE GFS. WENT WITH A CONSENSUS OF THE TWO AT THIS TIME...RESULTING IN SLIGHT CHANCES THROUGH THE MORNING HOURS TUESDAY AND DIMINISHING DURING THE DAY. && .AVIATION...(FOR THE 12Z TAFS THROUGH 12Z THURSDAY MORNING) ISSUED AT 728 AM EDT WED AUG 1 2012 HIGH PRESSURE WILL EXIT THE AREA TODAY...AS A LOW PRESSURE SYSTEM NEAR LAKE WINNIPEG MOVES JUST NORTH OF LAKE SUPERIOR THIS EVENING. THIS WILL DRAG A FRONT ACROSS UPPER MICHIGAN TONIGHT. AHEAD OF THIS FRONT...GUSTY SW WINDS ARE EXPECTED AT ALL TAF SITES...WITH GUSTS IN THE 20-25KT RANGE. UNCERTAINTY REMAINS ON SHOWER/THUNDERSTORM DEVELOPMENT THIS AFTERNOON INTO TONIGHT. CURRENT THINKING IS THAT THE DRY AIR WILL WIN OUT AND KEEP THUNDERSTORMS N AND S OF THE TAF SITES. BEHIND THE FRONT...THERE IS THE POTENTIAL FOR SCT/BKN MVFR CLOUDS AFFECTING ALL OF THE TAF SITES TOWARDS DAYBREAK. && .MARINE...(FOR THE 4 AM LAKE SUPERIOR FORECAST ISSUANCE) ISSUED AT 512 AM EDT WED AUG 1 2012 A LOW PRESSURE SYSTEM MOVING THROUGH SOUTHERN CANADA TODAY AND TONIGHT WILL SWEEP A COLD FRONT ACROSS LAKE SUPERIOR. EXPECT SW WINDS AHEAD OF THIS FRONT TO GUST TO 20KTS BEFORE SHIFTING TO THE NW TO 20KTS OVERNIGHT. A HIGH PRESSURE RIDGE WILL THEN SETTLE BACK OVER LAKE SUPERIOR THURS INTO FRI. A STRONGER LOW PRESSURE SYSTEM DEVELOPING NEAR LAKE WINNIPEG ON FRIDAY WILL SHIFT ENE TO JAMES BAY BY SUNDAY MORNING AND SWEEP A COLD FRONT ACROSS LAKE SUPERIOR ON SATURDAY. WINDS COULD GUST TO 25KTS THIS WEEKEND AS THE SYSTEM MOVES THROUGH. && .MQT WATCHES/WARNINGS/ADVISORIES... UPPER MICHIGAN... NONE. LAKE SUPERIOR... NONE. LAKE MICHIGAN... NONE. && SHORT TERM...SRF LONG TERM...JMW AVIATION...SRF MARINE...SRF
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MARQUETTE MI 443 AM EDT WED AUG 1 2012 MIZ001>007-009>014-084-085-020845- KEWEENAW-ONTONAGON-NORTHERN HOUGHTON-BARAGA-MARQUETTE-ALGER-LUCE- GOGEBIC-IRON-DICKINSON-MENOMINEE-DELTA-SOUTHERN SCHOOLCRAFT- SOUTHERN HOUGHTON-NORTHERN SCHOOLCRAFT- 443 AM EDT WED AUG 1 2012 /343 AM CDT WED AUG 1 2012/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN UPPER MICHIGAN AND CENTRAL UPPER MICHIGAN. .DAY ONE...TODAY AND TONIGHT THERE IS A POSSIBILITY OF THUNDERSTORMS THIS AFTERNOON OVER WESTERN UPPER MICHIGAN AND THEN ACROSS ALL OF UPPER MICHIGAN TONIGHT. THERE IS UNCERTAINTY ON THE DEVELOPMENT OF THE THUNDERSTORMS...BUT IF THEY OCCUR THEY COULD BECOME STRONG WITH GUSTY WINDS AND HAIL. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THUNDERSTORMS ARE POSSIBLE THURSDAY...AND AGAIN FRIDAY AFTERNOON THROUGH SUNDAY. THUNDERSTORMS SATURDAY AND SATURDAY EVENING COULD BE ALSO BE STRONG TO SEVERE. .SPOTTER INFORMATION STATEMENT... THE NEED FOR WEATHER SPOTTER REPORTS MAY BE NEEDED THIS AFTERNOON INTO TONIGHT. LSZ162-240>251-263>267-020845- LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND PORTAGE MN BEYOND 5NM-SAXON HARBOR WI TO BLACK RIVER MI- BLACK RIVER TO ONTONAGON MI- ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI- UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI- EAGLE RIVER TO MANITOU ISLAND MI- MANITOU ISLAND TO POINT ISABELLE MI- POINT ISABELLE TO LOWER ENTRANCE OF PORTAGE CANAL MI- LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI INCLUDING KEWEENAW AND HURON BAYS-HURON ISLANDS TO MARQUETTE MI- MARQUETTE TO MUNISING MI-MUNISING TO GRAND MARAIS MI- GRAND MARAIS TO WHITEFISH POINT MI- LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE ROYALE NATIONAL PARK- LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER- LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI BEYOND 5NM FROM SHORE- LAKE SUPERIOR EAST OF A LINE FROM MANITOU ISLAND TO MARQUETTE MI AND WEST OF A LINE FROM GRAND MARAIS MI TO THE US/CANADIAN BORDER BEYOND 5NM FROM SHORE- LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF SHORE TO THE US/CANADIAN BORDER- 443 AM EDT WED AUG 1 2012 /343 AM CDT WED AUG 1 2012/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN LAKE SUPERIOR...CENTRAL LAKE SUPERIOR AND WESTERN LAKE SUPERIOR. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE POSSIBLE OVER LAKE SUPERIOR...MAINLY THIS AFTERNOON AND TONIGHT. SOME THUNDERSTORMS COULD BE STRONG TO SEVERE WITH WINDS OVER 35 KNOTS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THUNDERSTORMS ARE POSSIBLE ACROSS LAKE SUPERIOR THURSDAY MORNING...AND AGAIN LATE FRIDAY MORNING THROUGH SUNDAY. .SPOTTER INFORMATION STATEMENT... THE NEED FOR WEATHER SPOTTER REPORTS MAY BE NEEDED WEDNESDAY. LMZ221-248-250-020845- GREEN BAY NORTH OF LINE FROM CEDAR RIVER MI TO ROCK ISLAND PASSAGE-SEUL CHOIX POINT TO POINT DETOUR MI- 5NM EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE- 443 AM EDT WED AUG 1 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN LAKE MICHIGAN. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE POSSIBLE TONIGHT...WHICH COULD PRODUCE GUSTS OVER 35 KNOTS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THUNDERSTORMS ARE POSSIBLE THURSDAY MORNING...AND AGAIN FRIDAY NIGHT THROUGH SUNDAY. .SPOTTER INFORMATION STATEMENT... THE NEED FOR WEATHER SPOTTER REPORTS IS NOT ANTICIPATED AT THIS TIME. SRF/JMW
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MARQUETTE MI
1210 PM EDT WED AUG 01 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0850 PM TSTM WND DMG 1 SSW KIVA 46.23N 87.09W
07/29/2012 ALGER MI NWS STORM SURVEY
MICROBURST WINDS SNAPPED OFF OR UPROOTED NUMEROUS LARGE
TREES.
&&
JVOSSSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MARQUETTE MI 1259 PM EDT WED AUG 1 2012 MIZ009-011800- GOGEBIC- 1159 AM CDT WED AUG 1 2012 ...SIGNIFICANT WEATHER ALERT FOR GOGEBIC COUNTY UNTIL 100 PM CDT/200 PM EDT/... AT 1155 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 12 MILES NORTH OF UPSON...OR 16 MILES NORTHWEST OF IRONWOOD. THIS STORM WAS MOVING EAST AT 45 MPH. NICKEL SIZE HAIL AND WINDS UP TO 40 MPH ARE EXPECTED WITH THIS STORM. * LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... LITTLE GIRLS POINT... IRONWOOD... BESSEMER... WAKEFIELD... MARENISCO... LAKE GOGEBIC STATE PARK... STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. VOSS
The Duluth radar (KDLH), 142 km away, was scanning. The volume nearest the first event began at 17:07 UTC.
1 hail. Local standard time, as filed.
The spotter near Little Girls Point reported three quarter inch diameter hail on the morning of the 1st.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 2012Every state in 2012This day in weather historyWarnings in Michigan, August 2012
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: 404882.