KGRR [171535]: Preliminary Local Storm Report...summary

NWUS53 KGRR 171535
LSRGRR

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1135 AM EDT THU MAY 17 2007

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0325 PM HAIL 3 ESE SUNSET BEACH 42.07N 84.15W
05/15/2007 M0.25 INCH LENAWEE MI TRAINED SPOTTER

EST 40 MPH WINDS...HEAVY RAIN...MINIMAL LTG

0551 PM TSTM WND GST SCHOOLCRAFT 42.12N 85.63W
05/15/2007 E55.00 MPH KALAMAZOO MI TRAINED SPOTTER

4 TO 5 INCH DIAMETER BRANCHES DOWN.

0551 PM HAIL 4 SW PORTAGE 42.16N 85.65W
05/15/2007 E1.00 INCH KALAMAZOO MI TRAINED SPOTTER

0551 PM TSTM WND GST 4 SW PORTAGE 42.16N 85.65W
05/15/2007 E60.00 MPH KALAMAZOO MI TRAINED SPOTTER

6 INCH DIAMETER TREES DOWN

0603 PM HAIL PORTAGE 42.20N 85.59W
05/15/2007 E1.50 INCH KALAMAZOO MI TRAINED SPOTTER

0613 PM HAIL JACKSON 42.24N 84.40W
05/15/2007 E0.25 INCH JACKSON MI TRAINED SPOTTER

0618 PM TSTM WND DMG 1 NE PLEASANT LAKE 42.41N 84.32W
05/15/2007 JACKSON MI PUBLIC

6 TREES OR LARGE LIMBS KNOCKED DOWN ON GOLF COURSE

0636 PM TSTM WND DMG PAW PAW 42.22N 85.89W
05/15/2007 VAN BUREN MI LAW ENFORCEMENT

LARGE HEALTHY OAK TREE DOWN.

0640 PM TSTM WND DMG 3 W MASON 42.58N 84.50W
05/15/2007 INGHAM MI TRAINED SPOTTER

1 FOOT DIAMETER TREE DOWN

0655 PM TSTM WND DMG 1 S LANSING 42.69N 84.55W
05/15/2007 INGHAM MI TRAINED SPOTTER

3 FOOT DIAMETER TREE DOWN AND SHINGLES OFF A GREENHOUSE.

0655 PM TSTM WND GST LANSING 42.71N 84.55W
05/15/2007 M73.00 MPH INGHAM MI TRAINED SPOTTER

0700 PM TSTM WND DMG WILLIAMSTON 42.69N 84.28W
05/15/2007 INGHAM MI AMATEUR RADIO

1 1/2 FOOT DIAMETER TREE DOWN ON HOME CAUSING MAJOR ROOF
DAMAGE.

0711 PM TSTM WND DMG 2 N DIMONDALE 42.68N 84.65W
05/15/2007 EATON MI COUNTY OFFICIAL

DELTA TWP. WIRES DOWN

&&
..DOWNBURST WIND DAMAGE IN KALAMAZOO AND CALHOUN COUNTIES...

A NATIONAL WEATHER SERVICE SURVEY TEAM DETERMINED THAT THE DAMAGE
THAT OCCURRED IN KALAMAZOO AND CALHOUN COUNTIES ON THE EVENING OF
MAY 15 2007 WAS CAUSED BY STRAIGHT LINE WINDS. THUNDERSTORMS MOVED
NORTHEAST THROUGH SOUTHERN KALAMAZOO AND WESTERN CALHOUN COUNTIES. A
SWATH OF SCATTERED TREE DAMAGE STRETCHED FROM NEAR SCHOOLCRAFT TO
BATTLE CREEK. EMBEDDED WITHIN THIS AREA WAS A REGION WHERE THE
DAMAGE WAS MORE FOCUSED. THE WORST OF THE DAMAGE OCCURRED AROUND
552 PM IN AN AREA SOUTH OF PORTAGE AND NORTH OF VICKSBURG. A PATH
OF DAMAGE...ONE MILE WIDE AND ONE AND HALF MILES LONG...STARTED NEAR
THE PORTAGE ROAD AND U AVENUE INTERSECTION. THE DAMAGE CONTINUED
NORTHEAST TO JUST SOUTH OF THE 24TH STREET AND S AVENUE
INTERSECTION. HIGHEST WIND SPEED ESTIMATES OF 75 TO 85 MILES AN
HOUR WERE DETERMINED. WITHIN THIS AREA A ROOF ON A POLE BARN WAS
PARTIALLY BLOWN OFF. A GARAGE DOOR WAS BLOWN IN. THE DAMAGING
WINDS STRIPPED SOME ROOFING AND SIDING MATERIAL OFF OF SEVERAL
HOMES. MANY LARGE HEALTHY TREES WERE UPROOTED OR SNAPPED OFF. SOME
TREES WERE LYING ON HOUSES. ALL DAMAGE WAS LYING TO THE NORTHEAST
INDICATING DOWNBURST OR STRAIGHT LINE WINDS.

$$

GWETZEL

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