Damaging Winds in Michigan, July 30, 2006

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
748 AM EDT SUN JUL 30 2006

.UPDATED...

THE CONVECTIVE COMPLEX OVER WI HAS CREATED AN MCV AND THAT WILL MOVE
SOUTHEAST OVER SOUTHWEST LOWER MICHIGAN BY LATE MORNING TOUCHING OFF
THUNDERSTORMS ON THE LAKE BREEZE BOUNDARY. THOSE STORMS WILL THEN
MOVE SOUTHEAST ACROSS THE REST OF THE CWA DURING THE AFTERNOON.
AS A RESULT...I UPDATED THE ZONE FORECAST TO ALLOW THE THUNDERSTORMS
CROSS THE ENTIRE CWA.

&&

.GRR WATCHES/WARNINGS/ADVISORIES...NONE.

&&

WDM

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1125 AM EDT SUN JUL 30 2006

LMZ844>849-MIZ037>040-043>046-050>052-056>059-064>067-071>074-311000-
ST JOSEPH TO SOUTH HAVEN-SOUTH HAVEN TO HOLLAND-
HOLLAND TO GRAND HAVEN-GRAND HAVEN TO WHITEHALL-
WHITEHALL TO PENTWATER-PENTWATER TO MANISTEE-MASON-LAKE-OSCEOLA-
CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-MONTCALM-GRATIOT-
OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-INGHAM-VAN BUREN-
KALAMAZOO-CALHOUN-JACKSON-
1125 AM EDT SUN JUL 30 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER
MICHIGAN.

.DAY ONE...THIS AFTERNOON AND TONIGHT
SEVERE THUNDERSTORMS ARE EXPECTED TODAY. A LINE OF STRONG TO
SEVERE STORMS MOVING SOUTHEAST ACROSS LAKE MICHIGAN WILL BE
CAPABLE OF PRODUCING WIND GUSTS OVER 60 MPH...BRIEF HEAVY RAIN...
AND FREQUENT DEADLY LIGHTNING OVER THE LAKE AND OVER MUCH OF
SOUTHWEST MICHIGAN. AFTER THE STORMS MOVE ONSHORE...THERE WILL BE
AN ENHANCED RIP CURRENT THREAT AT THE AREA BEACHES THIS AFTERNOON
AND EVENING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
BOTH MONDAY AND TUESDAY AFTERNOON TEMPERATURES SHOULD REACH THE
MID TO UPPER 90S INLAND OF LAKE MICHIGAN. DEW POINTS SHOULD REMAIN
IN THE LOWER TO MID 70S DURING THAT TIME. THIS COMBINATION OF HEAT
AND HUMIDITY WOULD RESULT IN HEAT INDICES NEAR 105 DEGREES FOR
SEVERAL HOURS BOTH AFTERNOONS. A HEAT ADVISORY MAY BE NEEDED FOR
MONDAY AND TUESDAY AFTERNOONS.

THERE IS A CHANCE OF THUNDERSTORMS FROM TUESDAY NIGHT INTO EARLY
THURSDAY MORNING. THE GREATEST RISK OF ORGANIZED STRONG TO SEVERE
STORM WILL BE AHEAD OF A CANADIAN COLD FRONT THAT WILL COOL THINGS
OF SIGNIFICANTLY BY THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS EXPECTED TODAY AND WILL BE POSSIBLE AGAIN
WEDNESDAY AFTERNOON AND EVENING.

WDM TJT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1139 AM EDT SUN JUL 30 2006

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

1020 AM     MARINE TSTM WIND 8 NW LUDINGTON          44.04N 86.56W
07/30/2006  M45.00 MPH       LMZ849             MI   OFFICIAL NWS OBS

            MEASURED AT BIG SABLE POINT

&&

NJJ

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1141 AM EDT SUN JUL 30 2006

MIZ044-045-050-051-056-057-064-301615-
ALLEGAN-KENT-MECOSTA-MONTCALM-MUSKEGON-NEWAYGO-OTTAWA-
1141 AM EDT SUN JUL 30 2006

...SPECIAL WEATHER STATEMENT...

AT 1135 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM BIG RAPIDS TO
SAUGATUCK...MOVING EAST AT 25 MPH.

WINDS UP TO 50 MPH...CONTINUOUS CLOUD TO GROUND LIGHTNING...AND BRIEF
HEAVY DOWNPOURS ARE EXPECTED WITH THESE STORMS.

THE STORMS WILL REACH HOWARD CITY AT 1150 AM...GRAND RAPIDS 1215
PM...AND ALLEGAN AT 1230 PM.

STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES...AND MOVE INDOORS
IF POSSIBLE. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE
OBJECTS TO BLOW AROUND.

HEAVY RAINFALL CAN LEAD TO FLOODING OF LOW LYING AREAS SUCH AS
DITCHES AND UNDERPASSES.

SEEK SHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAS PASSED.

OSTUNO