Recap of Thunderstorms Tuesday Morning


Strong to severe thunderstorms moved through the region late Monday night and into Tuesday morning out ahead of a cold front.  Originally a broken line of thunderstorms in Wisconsin and Upper Michigan, the storms merged into a squall line as they began crossing Lake Michigan.  Strong wind gusts in the 40 to 50 mph range were reported along this line of storms, with some locations along the lakeshore receiving wind gusts in the 55 to 70 mph range. 

Numerous reports of trees being blown down, branches snapping off, and power outages were received.  One of the harder hit areas was Newaygo County, where perhaps 100 trees or more were taken down.  The White Cloud airport also had a hanger door blown off as the line moved through.  Another area particularly impacted was Holland, where many trees and branches came down plus power outages were also occurring.  Hail was not a major factor with these storms, although 0.75" diameter hail was reported at Hoffmaster State Park.

Along with the severe weather came the side benefit of much needed rainfall.  There were numerous reports of around 1.00" of rain along and east of U.S. 131, with some areas like Grand Haven and South Haven receiving well over 1.50" of new rain.  Areas east of U.S. 131 generally received much less in the way of rainfall.


Below is a hourly radar loop of the event, which starts at 11 PM Monday night and Ends at 6 AM Tuesday morning (click to enlarge).

 

 

PRELIMINARY LOCAL STORM REPORT...SUMMARY  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
1037 AM EDT TUE JUL 31 2012  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
 
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
 
 
..REMARKS..  
 
1212 AM TSTM WND DMG WALKERVILLE 43.71N 86.12W  
07/31/2012 OCEANA MI 911 CALL CENTER  
 
REPORT OF ONE TREE DOWN.  
 
1215 AM TSTM WND GST MEARS 43.68N 86.42W  
07/31/2012 E40.00 MPH OCEANA MI TRAINED SPOTTER  
 
1215 AM TSTM WND DMG HESPERIA 43.57N 86.04W  
07/31/2012 NEWAYGO MI 911 CALL CENTER  
 
ABOUT A HUNDRED TREES DOWN ACROSS NEWAYGO COUNTY NORTH  
AND EAST OF A LINE FROM HESPERIA TO NEWAYGO.  
 
1230 AM TSTM WND DMG 2 E WHITE CLOUD 43.57N 85.73W  
07/31/2012 NEWAYGO MI BROADCAST MEDIA  
 
TREES BLOCKING ROAD EAST OF WHITE CLOUD ON M20. TIME  
ESTIMATED FROM RADAR.  
 
1233 AM TSTM WND GST 3 NE WHITE CLOUD 43.60N 85.73W  
07/31/2012 E50.00 MPH NEWAYGO MI BROADCAST MEDIA  
 
WIND GUSTS ESTIMATED 45 TO 50 FROM WZZM TV.  
 
1234 AM TSTM WND DMG HESPERIA 43.57N 86.04W  
07/31/2012 NEWAYGO MI BROADCAST MEDIA  
 
FOX 17 VIEWER REPORTS TREES DOWN IN HESPERIA.  
 
1237 AM TSTM WND DMG 3 NE WHITE CLOUD 43.60N 85.73W  
07/31/2012 NEWAYGO MI BROADCAST MEDIA  
 
WZZM TV VIEWER REPORTS A LARGE TREE BRANCH DOWN. LOST  
POWER.  
 
1237 AM TSTM WND DMG WHITE CLOUD 43.57N 85.77W  
07/31/2012 NEWAYGO MI EMERGENCY MNGR  
 
HANGER DOOR BLOWN OFF AT WHITE CLOUD AIRPORT. MANY TREES  
AND BRANCHES DOWN ACROSS THE AREA. MOST TREES WERE ROTTED  
WITH THE LARGEST TREES UP TO ONE AND A HALF FEET IN  
DIAMETER. TIME ESTIMATED FROM RADAR.  
 
1245 AM HEAVY RAIN LUDINGTON 43.96N 86.45W  
07/31/2012 M0.80 INCH MASON MI BROADCAST MEDIA  
 
1258 AM TSTM WND DMG WHITE CLOUD 43.57N 85.77W  
07/31/2012 NEWAYGO MI 911 CALL CENTER  
 
REPORTS OF TREES AND POWER LINES DOWN IN WHITE CLOUD AND  
AREAS NORTH...AND ALSO IN THE CITY OF NEWAYGO.  
 
1258 AM TSTM WND DMG 4 ESE TWIN LAKE 43.34N 86.10W  
07/31/2012 MUSKEGON MI 911 CALL CENTER  
 
TREES AND POWER LINES DOWN IN CEDAR CREEK TWP.  
 
0100 AM HEAVY RAIN PENTWATER 43.78N 86.43W  
07/31/2012 M0.91 INCH OCEANA MI MESONET  
 
STORM TOTAL RAINFALL.  
 
0100 AM HEAVY RAIN 5 SE PENTWATER 43.74N 86.36W  
07/31/2012 M0.92 INCH OCEANA MI MESONET  
 
STORM TOTAL RAINFALL AT THE MSU ENVIRO-WEATHER SITE NEAR  
HART.  
 
0100 AM TSTM WND DMG HOWARD CITY 43.40N 85.47W  
07/31/2012 MONTCALM MI LAW ENFORCEMENT  
 
CENTRAL DISPATCH REPORTS SCATTERED TO NUMEROUS TREES DOWN  
ACROSS THE NORTHERN PORTION OF MONTCALM COUNTY...MAINLY  
AROUND THE HOWARD CITY AREA. TIME IS ESTIMATED FROM  
RADAR.  
 
0115 AM TSTM WND GST 5 NE ROCKFORD 43.17N 85.49W  
07/31/2012 E55.00 MPH KENT MI TRAINED SPOTTER  
 
ESTIMATED 50 TO 60 MPH. SOME SMALL LIMBS DOWN.  
 
0115 AM TSTM WND GST 4 W MUSKEGON 43.23N 86.34W  
07/31/2012 E40.00 MPH MUSKEGON MI OFFICIAL NWS OBS  
 
0120 AM HAIL MUSKEGON 43.22N 86.25W  
07/31/2012 E0.25 INCH MUSKEGON MI BROADCAST MEDIA  
 
HAIL REPORTED IN BRONSON PARK BY WZZM TV.  
 
0122 AM TSTM WND GST MUSKEGON 43.22N 86.25W  
07/31/2012 M39.00 MPH MUSKEGON MI AMATEUR RADIO  
 
MEASURED AT HERITAGE LANDING.  
 
0125 AM HEAVY RAIN KENT CITY 43.22N 85.75W  
07/31/2012 M1.00 INCH KENT MI TRAINED SPOTTER  
 
0125 AM TSTM WND GST KENT CITY 43.22N 85.75W  
07/31/2012 M37.00 MPH KENT MI TRAINED SPOTTER  
 
0133 AM TSTM WND GST 4 NNW GRAND RAPIDS 43.02N 85.68W  
07/31/2012 M34.00 MPH KENT MI BROADCAST MEDIA  
 
0140 AM HAIL HOFFMASTER STATE PARK 43.12N 86.26W  
07/31/2012 M0.75 INCH MUSKEGON MI TRAINED SPOTTER  
 
0145 AM TSTM WND GST GRAND HAVEN 43.06N 86.22W  
07/31/2012 M52.00 MPH OTTAWA MI TRAINED SPOTTER  
 
MEASURED IN DOWNTOWN GRAND HAVEN. TIME IS ESTIMATED FROM  
RADAR.  
 
0150 AM HAIL FERRYSBURG 43.08N 86.22W  
07/31/2012 E0.25 INCH OTTAWA MI TRAINED SPOTTER  
 
0200 AM HEAVY RAIN 2 ENE LUDINGTON 43.97N 86.41W  
07/31/2012 M1.16 INCH MASON MI AWOS  
 
STORM TOTAL RAINFALL AT THE LUDINGTON AWOS.  
 
0201 AM FLASH FLOOD SPARTA 43.16N 85.71W  
07/31/2012 KENT MI BROADCAST MEDIA  
 
WZZM TV VIEWER REPORTED FLASH FLOODING ON SOUTH UNION  
AVENUE IN SPARTA.  
 
0220 AM TSTM WND GST 3 WNW HOLLAND STATE PAR 42.80N 86.26W  
07/31/2012 M47.00 MPH LMZ846 MI OFFICIAL NWS OBS  
 
0230 AM TSTM WND DMG 5 WNW HOLLAND 42.81N 86.21W  
07/31/2012 OTTAWA MI PUBLIC  
 
NUMEROUS TREES AND BRANCHES...SOME ROTTEN...WERE UPROOTED  
OR SNAPPED OFF NEAR JAMES ST AND LAKESHORE DRIVE. SOME  
PORTIONS OF THE ROAD ARE BLOCKED BY DEBRIS. TIME OF  
STRONGEST WIND GUST IS ESTIMATED FROM RADAR.  
 
0230 AM TSTM WND GST 5 WNW HOLLAND 42.81N 86.20W  
07/31/2012 E70.00 MPH OTTAWA MI AMATEUR RADIO  
 
ESTIMATED WIND GUST AT THE WESTERN EDGE OF LAKE MACATAWA.  
TIME IS ESTIMATED FROM RADAR.  
 
0230 AM TSTM WND GST DORR 42.73N 85.72W  
07/31/2012 E50.00 MPH ALLEGAN MI TRAINED SPOTTER  
 
TOP OF A MAPLE TREE SNAPPED OFF BY WIND. DIAMETER OF  
PORTION SNAPPED OFF IS JUST OVER ONE-FOOT.  
 
0230 AM TSTM WND DMG 5 W HOLLAND 42.77N 86.20W  
07/31/2012 OTTAWA MI AMATEUR RADIO  
 
TWO THIRTY INCH DIAMETER TREES IN FAIR HEALTH SNAPPED OFF  
AT 10 FEET AND 30 FEET ABOVE GROUND ON THE WEST EDGE OF  
LAKE MACATAWA. TIME IS RADAR ESTIMATED.  
 
0236 AM TSTM WND GST 6 WSW HOLLAND 42.75N 86.22W  
07/31/2012 M65.00 MPH LMZ845 MI OFFICIAL NWS OBS  
 
MEASURED AT THE END OF THE HOLLAND PIER.  
 
0240 AM TSTM WND DMG 2 S HOLLAND 42.75N 86.11W  
07/31/2012 ALLEGAN MI TRAINED SPOTTER  
 
TWO FOOT DIAMETER TREE DOWN NEAR CENTRAL AVE AND 32ND ST.  
NUMEROUS LIMBS AND BRANCHES HAVE ALSO COME DOWN. TIME IS  
ESTIMATED FROM RADAR.  
 
0300 AM HEAVY RAIN 4 NE TWIN LAKE 43.41N 86.12W  
07/31/2012 M2.00 INCH MUSKEGON MI PUBLIC  
 
STORM TOTAL RAINFALL.  
 
0300 AM HEAVY RAIN 4 N OLIVE CENTER 42.97N 86.08W  
07/31/2012 M1.14 INCH OTTAWA MI MESONET  
 
MEASURED AT THE MSU ENVIRO-WEATHER SITE NEAR WEST OLIVE.  
 
0300 AM HEAVY RAIN 3 N MUSKEGON 43.27N 86.26W  
07/31/2012 M0.91 INCH MUSKEGON MI MESONET  
 
STORM TOTAL RAINFALL IN NORTH MUSKEGON.  
 
0300 AM HEAVY RAIN GRAND HAVEN 43.06N 86.22W  
07/31/2012 M1.70 INCH OTTAWA MI TRAINED SPOTTER  
 
STORM TOTAL RAINFALL.  
 
0305 AM TSTM WND GST 2 W SOUTH HAVEN 42.40N 86.32W  
07/31/2012 M58.00 MPH LMZ844 MI OFFICIAL NWS OBS  
 
SOUTH HAVEN GLERL OBSERVATION.  
 
0315 AM TSTM WND DMG SAUGATUCK 42.66N 86.20W  
07/31/2012 ALLEGAN MI 911 CALL CENTER  
 
TREES AND WIRES DOWN. SOME TREES BLOCKING ROADS.  
 
0335 AM TSTM WND DMG 4 WSW CONCORD 42.16N 84.71W  
07/31/2012 JACKSON MI COUNTY OFFICIAL  
 
TREE BLOCKING PART OF M60 AT 30 MILE ROAD.  
 
0400 AM HEAVY RAIN 4 SW SPARTA 43.12N 85.76W  
07/31/2012 M1.08 INCH KENT MI MESONET  
 
STORM TOTAL RAINFALL AT THE MSU ENVIRO-WEATHER SITE NEAR  
SPARTA.  
 
0400 AM HEAVY RAIN 3 SE CEDAR SPRINGS 43.19N 85.51W  
07/31/2012 M0.91 INCH KENT MI MESONET  
 
STORM TOTAL RAINFALL.  
 
0400 AM HEAVY RAIN 5 SSE SAUGATUCK 42.60N 86.16W  
07/31/2012 M1.12 INCH ALLEGAN MI MESONET  
 
CORRECTED FOR RAINFALL TOTAL. STORM TOTAL RAINFALL AT THE  
MSU ENVIRO-WEATHER SITE NEAR FENNVILLE.  
 
0400 AM HEAVY RAIN 2 S HOLLAND 42.75N 86.11W  
07/31/2012 M0.88 INCH ALLEGAN MI ASOS  
 
STORM TOTAL RAINFALL AT HOLLAND TULIP CITY AIRPORT.  
 
0525 AM HEAVY RAIN FERRY 43.58N 86.22W  
07/31/2012 M1.80 INCH OCEANA MI PUBLIC  
 
STORM TOTAL RAINFALL IN FERRY TOWNSHIP.  
 
0600 AM HEAVY RAIN SOUTH HAVEN 42.40N 86.28W  
07/31/2012 M1.68 INCH VAN BUREN MI TRAINED SPOTTER  
 
STORM TOTAL RAINFALL.  
 
0623 AM HEAVY RAIN BLOOMINGDALE 42.38N 85.96W  
07/31/2012 M1.39 INCH VAN BUREN MI CO-OP OBSERVER  
 
STORM TOTAL RAINFALL.  
 
0700 AM HEAVY RAIN 4 WSW FREMONT 43.44N 86.02W  
07/31/2012 M2.04 INCH NEWAYGO MI CO-OP OBSERVER  
 
STORM TOTAL RAINFALL.  
 
0700 AM HEAVY RAIN HOLLAND 42.78N 86.11W  
07/31/2012 M1.23 INCH OTTAWA MI CO-OP OBSERVER  
 
STORM TOTAL RAINFALL AT THE HOLLAND WASTEWATER TREATMENT  
PLANT.  
 
0700 AM HEAVY RAIN 5 NW GRANT 43.39N 85.88W  
07/31/2012 M1.71 INCH NEWAYGO MI COCORAHS  
 
STORM TOTAL RAINFALL.  
 
0700 AM HEAVY RAIN 2 SE SCOTTVILLE 43.93N 86.25W  
07/31/2012 M1.49 INCH MASON MI CO-OP OBSERVER  
 
STORM TOTAL RAINFALL.  
 
0700 AM HEAVY RAIN 2 SSE NORTON SHORES 43.13N 86.24W  
07/31/2012 M1.16 INCH MUSKEGON MI COCORAHS  
 
STORM TOTAL RAINFALL.  
 
0844 AM HEAVY RAIN MEARS 43.68N 86.42W  
07/31/2012 M1.20 INCH OCEANA MI TRAINED SPOTTER  
 
STORM TOTAL RAINFALL.  
 
0933 AM HEAVY RAIN 1 NW BANGOR 42.33N 86.13W  
07/31/2012 M1.32 INCH VAN BUREN MI TRAINED SPOTTER  
 
STORM TOTAL  



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