3May2012 Wrap-up

An upper low moving over a warm front that stretched across northern Lower Michigan set the stage for heavy rainfall late Wednesday night into Thursday. Training thunderstorms (storms that move over the same location) produced 5 to 7 inches of rainfall across portions of Mason and Lake counties. The heavy rainfall resulted in roads that were either flooded or washed out. Here is the radar accumulated rainfall from the event:

As the day progressed, strong to severe storms developed in the warm humid airmass. Golf ball size hail was reported in Mason and a 10 x 20 foot section of roof was blown off of a commercial building a few miles south of Lansing. Here is a list of the storm reports received at the National Weather Service:

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
421 AM EDT FRI MAY 04 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...

..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0500 AM     HEAVY RAIN       6 NNW SCOTTVILLE        44.03N 86.33W

05/03/2012  M1.24 INCH       MASON              MI   COCORAHS

            RAINFALL SINCE MIDNIGHT. 1.58 INCHES IN THE LAST 24
            HOURS.

0530 AM     HEAVY RAIN       5 N SCOTTVILLE          44.03N 86.28W

05/03/2012  M1.50 INCH       MASON              MI   BROADCAST MEDIA

            THERE WAS 1.50 INCHES OF RAIN IN 6 HOURS.

0535 AM     TSTM WND DMG     PEACOCK                 44.05N 85.89W

05/03/2012                   LAKE               MI   COUNTY OFFICIAL

            THREE TREES WERE REPORTED DOWN BETWEEN IRONS AND BALDWIN.


0645 AM     HAIL             LAKE                    43.85N 85.01W

05/03/2012  E0.25 INCH       CLARE              MI   COUNTY OFFICIAL

0700 AM     HEAVY RAIN       4 SSE STONY LAKE        43.50N 86.47W

05/03/2012  M1.03 INCH       OCEANA             MI   COCORAHS

            THIS WAS A 24 HOUR TOTAL.

0700 AM     HEAVY RAIN       2 S IRONS               44.12N 85.92W

05/03/2012  M3.10 INCH       LAKE               MI   BROADCAST MEDIA

            HEAVY RAIN REPORTED BY 9 MILE ROAD IN IRONS.

0820 AM     HEAVY RAIN       SSW CUSTER              43.95N 86.22W

05/03/2012  M1.99 INCH       MASON              MI   TRAINED SPOTTER

            THIS WAS A STORM TOTAL.

0920 AM     FLASH FLOOD      S BRANCH                43.94N 86.04W

05/03/2012                   MASON              MI   TRAINED SPOTTER

            WATER WAS REPORTED RUNNING DOWN BARNETT BLVD. THE ROAD
            WAS BEING WASHED OUT.

1144 AM     HAIL             LUDINGTON               43.96N 86.45W

05/03/2012  M0.75 INCH       MASON              MI   PUBLIC

1158 AM     HAIL             2 ESE LUDINGTON         43.94N 86.41W

05/03/2012  M0.88 INCH       MASON              MI   NWS EMPLOYEE

1210 PM     HAIL             SCOTTVILLE              43.95N 86.28W

05/03/2012  E1.75 INCH       MASON              MI   COUNTY OFFICIAL

1210 PM     HAIL             SCOTTVILLE              43.95N 86.28W

05/03/2012  E0.88 INCH       MASON              MI   COUNTY OFFICIAL

0122 PM     HAIL             1 S CUSTER              43.94N 86.22W

05/03/2012  M0.75 INCH       MASON              MI   TRAINED SPOTTER

0130 PM     HAIL             S BRANCH                43.94N 86.04W

05/03/2012  M1.00 INCH       MASON              MI   TRAINED SPOTTER

0204 PM     HAIL             5 S BALDWIN             43.83N 85.85W

05/03/2012  M0.50 INCH       LAKE               MI   TRAINED SPOTTER

0249 PM     HAIL             SHELBY                  43.61N 86.36W

05/03/2012  E0.75 INCH       OCEANA             MI   TRAINED SPOTTER

0255 PM     HAIL             4 W SHELBY              43.61N 86.44W

05/03/2012  M1.00 INCH       OCEANA             MI   TRAINED SPOTTER

0257 PM     HAIL             HART                    43.70N 86.36W

05/03/2012  M1.00 INCH       OCEANA             MI   TRAINED SPOTTER

0305 PM     HAIL             HART                    43.70N 86.36W

05/03/2012  M0.70 INCH       OCEANA             MI   TRAINED SPOTTER

0340 PM     HAIL             2 S BIG RAPIDS          43.67N 85.48W

05/03/2012  M0.50 INCH       MECOSTA            MI   TRAINED SPOTTER

0345 PM     HAIL             CLARE                   43.82N 84.77W

05/03/2012  M0.25 INCH       CLARE              MI   EMERGENCY MNGR

0350 PM     HAIL             N BIG RAPIDS            43.70N 85.48W

05/03/2012  E0.25 INCH       MECOSTA            MI   TRAINED SPOTTER

0350 PM     HAIL             W BIG RAPIDS            43.70N 85.49W

05/03/2012  E0.25 INCH       MECOSTA            MI   AMATEUR RADIO

            LASTED ABOUT 5 MINUTES.

0424 PM     HAIL             FARWELL                 43.84N 84.87W

05/03/2012  E0.25 INCH       CLARE              MI   EMERGENCY MNGR

0450 PM     HAIL             1 SE WAYLAND            42.66N 85.63W

05/03/2012  M1.00 INCH       ALLEGAN            MI   PUBLIC

0454 PM     HAIL             WHITEHALL               43.41N 86.35W

05/03/2012  E0.25 INCH       MUSKEGON           MI   AMATEUR RADIO

0454 PM     HEAVY RAIN       CHASE                   43.89N 85.64W

05/03/2012  M3.90 INCH       LAKE               MI   PUBLIC

            24 HOUR TOTAL.

0517 PM     HAIL             HASTINGS                42.65N 85.29W

05/03/2012  E0.25 INCH       BARRY              MI   PUBLIC

0520 PM     HAIL             TWIN LAKE               43.37N 86.17W

05/03/2012  M0.75 INCH       MUSKEGON           MI   TRAINED SPOTTER

            SOME BRANCHES DOWN.

0522 PM     HAIL             1 N TREMAINE CORNERS    42.92N 85.07W

05/03/2012  E0.50 INCH       IONIA              MI   EMERGENCY MNGR

0524 PM     HAIL             WAYLAND                 42.67N 85.64W

05/03/2012  M1.00 INCH       ALLEGAN            MI   PUBLIC

0530 PM     NON-TSTM WND DMG MONTAGUE                43.42N 86.36W

05/03/2012                   MUSKEGON           MI   PUBLIC

            PUBLIC REPORT OF TREES DOWN.

0535 PM     HAIL             WOODLAND                42.73N 85.13W

05/03/2012  E0.25 INCH       BARRY              MI   BROADCAST MEDIA

0536 PM     HAIL             5 S WAYLAND             42.60N 85.64W

05/03/2012  M1.00 INCH       ALLEGAN            MI   PUBLIC

0544 PM     HAIL             PLAINWELL               42.44N 85.64W

05/03/2012  M0.70 INCH       ALLEGAN            MI   TRAINED SPOTTER

0551 PM     HAIL             6 ESE WAYLAND           42.65N 85.54W

05/03/2012  E1.00 INCH       BARRY              MI   PUBLIC

0551 PM     HAIL             PLAINWELL               42.44N 85.64W

05/03/2012  M1.25 INCH       ALLEGAN            MI   PUBLIC

0552 PM     HAIL             SUNFIELD                42.76N 84.99W

05/03/2012  M0.70 INCH       EATON              MI   AMATEUR RADIO

0601 PM     HAIL             1 W NASHVILLE           42.60N 85.11W

05/03/2012  E0.50 INCH       BARRY              MI   TRAINED SPOTTER

0601 PM     HAIL             2 ESE KENTWOOD          42.89N 85.55W

05/03/2012  E1.25 INCH       KENT               MI   TRAINED SPOTTER

            THIS REPORT IS NOT VALID.

0603 PM     HAIL             3 SSW ST. JOHNS         42.96N 84.58W

05/03/2012  M0.75 INCH       CLINTON            MI   TRAINED SPOTTER

0609 PM     HAIL             VERMONTVILLE            42.63N 85.03W

05/03/2012  M0.50 INCH       EATON              MI   TRAINED SPOTTER

0610 PM     HAIL             2 NW BATH               42.84N 84.48W

05/03/2012  E0.25 INCH       CLINTON            MI   TRAINED SPOTTER

0610 PM     TSTM WND DMG     BELDING                 43.10N 85.23W

05/03/2012                   IONIA              MI   AMATEUR RADIO

            ROTTEN 5 FOOT ROUND TREE DOWN IN CITY OF BELDING. CORNER
            OF IONIA STREET AND M44.

0611 PM     TSTM WND GST     5 NNW LANSING           42.80N 84.58W

05/03/2012  M54.00 MPH       CLINTON            MI   ASOS

0613 PM     HEAVY RAIN       MONTAGUE                43.42N 86.36W

05/03/2012  M1.61 INCH       MUSKEGON           MI   CO-OP OBSERVER

            RAINFALL SINCE MIDNIGHT.

0617 PM     HAIL             1 W DEWITT              42.84N 84.60W

05/03/2012  M0.50 INCH       CLINTON            MI   COCORAHS

0620 PM     HAIL             2 NW BATH               42.84N 84.48W

05/03/2012  E0.25 INCH       CLINTON            MI   TRAINED SPOTTER

0630 PM     HAIL             4 N PAW PAW             42.28N 85.90W

05/03/2012  M0.75 INCH       VAN BUREN          MI   TRAINED SPOTTER

0641 PM     HAIL             DIMONDALE               42.65N 84.65W

05/03/2012  E0.25 INCH       EATON              MI   TRAINED SPOTTER

0646 PM     HAIL             5 SW LANSING            42.68N 84.60W

05/03/2012  E0.25 INCH       INGHAM             MI   AMATEUR RADIO

0646 PM     TSTM WND DMG     2 NNW GRAND RAPIDS      42.99N 85.68W

05/03/2012                   KENT               MI   AMATEUR RADIO

            POWER LINES DOWN.

0646 PM     FLOOD            1 WNW KALAMAZOO         42.29N 85.61W

05/03/2012                   KALAMAZOO          MI   TRAINED SPOTTER

            WATER UP TO ONE FOOT DEEP ON MAIN STREET.

0655 PM     HAIL             CHARLOTTE               42.56N 84.84W

05/03/2012  E0.25 INCH       EATON              MI   TRAINED SPOTTER

0657 PM     HAIL             4 N NASHVILLE           42.66N 85.09W

05/03/2012  M0.75 INCH       BARRY              MI   TRAINED SPOTTER

0657 PM     HAIL             YORKVILLE               42.38N 85.40W

05/03/2012  E0.25 INCH       KALAMAZOO          MI   TRAINED SPOTTER

0700 PM     HAIL             SUNFIELD                42.76N 84.99W

05/03/2012  E0.75 INCH       EATON              MI   AMATEUR RADIO

0700 PM     HAIL             OKEMOS                  42.72N 84.43W

05/03/2012  E0.25 INCH       INGHAM             MI   TRAINED SPOTTER

0705 PM     HAIL             BEDFORD                 42.40N 85.23W

05/03/2012  E0.25 INCH       CALHOUN            MI   TRAINED SPOTTER

0717 PM     FLOOD            LUTHER                  44.04N 85.68W

05/03/2012                   LAKE               MI   EMERGENCY MNGR

            EMERGENCY MANAGER CALLED TO INFORM US THAT 56TH STREET
            AND KINGS HIGHWAY IN YATES TWP IS CLOSED DUE TO 1 FOOT OF
            WATER OVER ROAD.

0725 PM     HAIL             FULTON                  42.12N 85.35W

05/03/2012  M1.00 INCH       KALAMAZOO          MI   TRAINED SPOTTER

0730 PM     HAIL             MASON                   42.58N 84.44W

05/03/2012  M1.25 INCH       INGHAM             MI   TRAINED SPOTTER

0734 PM     HAIL             MASON                   42.58N 84.44W

05/03/2012  E0.25 INCH       INGHAM             MI   TRAINED SPOTTER

0735 PM     TSTM WND DMG     5 SSE LANSING           42.67N 84.52W

05/03/2012                   INGHAM             MI   EMERGENCY MNGR

            APPROX 10 BY 20 FOOT SECTION OF ROOF RIPPED OFF
            COMMERCIAL BUILDING...BLOWN ESE. ABOUT 300 YARDS OF POWER
            POLES ALONG AURELIUS TOPPED TO THE EAST.

0735 PM     HAIL             MASON                   42.58N 84.44W

05/03/2012  E0.88 INCH       INGHAM             MI   TRAINED SPOTTER

0749 PM     HAIL             1 S MARSHALL            42.26N 84.96W

05/03/2012  E0.25 INCH       CALHOUN            MI   EMERGENCY MNGR

0753 PM     HAIL             WEBBERVILLE             42.67N 84.17W

05/03/2012  E0.25 INCH       INGHAM             MI   TRAINED SPOTTER

0753 PM     HAIL             1 SSW WAVERLY           42.73N 84.63W

05/03/2012  E0.25 INCH       EATON              MI   TRAINED SPOTTER

0753 PM     HAIL             DELTA MILLS             42.76N 84.65W

05/03/2012  E0.25 INCH       EATON              MI   TRAINED SPOTTER

0753 PM     TSTM WND GST     1 S MARSHALL            42.25N 84.96W

05/03/2012  M47.00 MPH       CALHOUN            MI   AWOS

0800 PM     HAIL             1 W MASON               42.58N 84.45W

05/03/2012  E0.25 INCH       INGHAM             MI   TRAINED SPOTTER

0821 PM     HEAVY RAIN       1 W DEWITT              42.84N 84.60W

05/03/2012  M1.59 INCH       CLINTON            MI   TRAINED SPOTTER

            RAINFALL SINCE MIDNIGHT.

0839 PM     HAIL             KENT CITY               43.22N 85.75W

05/03/2012  M0.50 INCH       KENT               MI   TRAINED SPOTTER

0857 PM     HEAVY RAIN       SUNFIELD                42.76N 84.99W

05/03/2012  M1.60 INCH       EATON              MI   TRAINED SPOTTER

            RAINFALL FROM 530 PM THROUGH 830 PM.

0910 PM     HEAVY RAIN       WHITEHALL               43.41N 86.35W

05/03/2012  M1.00 INCH       MUSKEGON           MI   TRAINED SPOTTER

            RAINFALL SINCE MIDNIGHT.

0910 PM     HAIL             GREENVILLE              43.18N 85.26W

05/03/2012  E0.70 INCH       MONTCALM           MI   TRAINED SPOTTER

0912 PM     HEAVY RAIN       OKEMOS                  42.72N 84.43W

05/03/2012  M1.10 INCH       INGHAM             MI   TRAINED SPOTTER

            RAINFALL SINCE MIDNIGHT.

1018 PM     HAIL             2 SE JACKSON            42.23N 84.38W

05/03/2012  E2.00 INCH       JACKSON            MI   TRAINED SPOTTER

1020 PM     HAIL             JACKSON                 42.25N 84.41W

05/03/2012  M1.00 INCH       JACKSON            MI   TRAINED SPOTTER

1045 PM     HAIL             SOUTH HAVEN             42.40N 86.28W

05/03/2012  E0.25 INCH       VAN BUREN          MI   BROADCAST MEDIA


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