Alert archive / Michigan / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 109, NWS Grand Rapids, MI

October 18, 2007Allegan County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Oct 18, 2007, 8:58 PM EDT for Allegan County, Michigan. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 18, 2007, 8:58 PM EDT (00:58 UTC)
Expired: Oct 18, 2007, 9:25 PM EDT
In force: 27 min
Issued by: NWS Grand Rapids, MI
Area: Storm-based polygon

County Allegan County, MI

The radar

The Grand Rapids radar (KGRR), 51 km from the middle of the area, began a volume at 01:00 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 18, 4:23 PM EDT	Tornado Watch	SPC	8 hr

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Oct 18, 8:34 PM EDT, 24 minutes before

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Special weather statement, Oct 18, 8:41 PM EDT, 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
841 PM EDT THU OCT 18 2007

MIZ038>040-044>046-051-190145-
CLARE-ISABELLA-LAKE-MECOSTA-MONTCALM-NEWAYGO-OSCEOLA-
841 PM EDT THU OCT 18 2007

...SPECIAL WEATHER STATEMENT...

AT 836 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES NORTHWEST OF
WHITE CLOUD TO 9 MILES SOUTHWEST OF HOWARD CITY...MOVING EAST
NORTHEAST AT 50 MPH.

FUNNEL CLOUDS...PEA SIZE HAIL...WINDS UP TO 50 MPH...FREQUENT CLOUD
TO GROUND LIGHTNING...BRIEF MODERATE DOWNPOURS...ARE POSSIBLE WITH
THESE STORMS.

LOCATIONS IN OR NEAR THE PATH INCLUDE...TRUFANT...MORLEY...HAWKINS...
STANWOOD...PARIS...REED CITY...HERSEY AND WESTVILLE

GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE
OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS
TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAVE
PASSED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT.

LAT...LON 4386 8569 4389 8560 4392 8552 4398 8505
      4336 8489 4332 8496 4329 8505 4331 8517
      4331 8577 4376 8594
TIME...MOT...LOC 0041Z 253DEG 45KT 4365 8578 4333 8551

LAURENS

Local storm report, Oct 18, 8:45 PM EDT, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
845 PM EDT THU OCT 18 2007

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

0838 PM     TSTM WND GST     SPARTA                  43.16N 85.71W
10/18/2007  M49 MPH          KENT               MI   TRAINED SPOTTER

            PEA SIZE HAIL AND WIND GUSTS TO 49 PM

&&

BMARINO

Local storm report, Oct 18, 8:51 PM EDT, 7 minutes before

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Local storm report, Oct 18, 8:54 PM EDT, 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
854 PM EDT THU OCT 18 2007

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

0852 PM     HAIL             HOLLAND                 42.77N 86.10W
10/18/2007  E0.88 INCH       OTTAWA             MI   EMERGENCY MNGR

&&

MEADE

Local storm report, Oct 18, 8:58 PM EDT, 0 minutes before

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The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 18, 8:01 PM EDT	Severe Thunderstorm Warning	GRR	Clare, Isabella	14 min
Oct 18, 8:01 PM EDT	Severe Thunderstorm Warning	GRR	Kalamazoo, Van Buren	21 min
Oct 18, 8:18 PM EDT	Severe Thunderstorm Warning	GRR	Kent, Muskegon, Ottawa	42 min
Oct 18, 8:19 PM EDT	Special Weather Statement	GRR	Newaygo	56 min
Oct 18, 8:28 PM EDT	Special Marine Warning	GRR		62 min
Oct 18, 8:30 PM EDT	Special Weather Statement	GRR	Gratiot	30 min
Oct 18, 8:41 PM EDT	Special Weather Statement	GRR	Mecosta, Montcalm, Newaygo	64 min
Oct 18, 8:45 PM EDT	Severe Thunderstorm Warning	GRR	Allegan, Ottawa	45 min
Oct 18, 8:48 PM EDT	Tornado Warning	GRR	Eaton, Ingham	27 min
Oct 18, 8:54 PM EDT	Severe Thunderstorm Warning	GRR	Montcalm	51 min
Oct 18, 8:56 PM EDT	Severe Thunderstorm Warning	GRR	Kalamazoo, Van Buren	49 min
Oct 18, 9:00 PM EDT	Severe Thunderstorm Warning	GRR	Kent	15 min
Oct 18, 9:02 PM EDT	Severe Thunderstorm Warning	GRR	Isabella, Mecosta	33 min
Oct 18, 9:09 PM EDT	Severe Thunderstorm Warning	GRR	Kent, Muskegon, Ottawa	51 min
Oct 18, 9:16 PM EDT	Severe Thunderstorm Warning	GRR	Calhoun, Kalamazoo, Van Buren	44 min
Oct 18, 9:20 PM EDT	Severe Thunderstorm Warning	GRR	Clare, Gratiot, Isabella, Montcalm	55 min
Oct 18, 9:37 PM EDT	Severe Thunderstorm Warning	GRR	Kent, Ottawa	38 min
Oct 18, 9:39 PM EDT	Severe Thunderstorm Warning	GRR	Kent, Montcalm	42 min
Oct 18, 9:59 PM EDT	Tornado Warning	GRR	Kalamazoo	31 min
Oct 18, 10:04 PM EDT	Tornado Warning	GRR	Calhoun, Eaton, Ingham, Jackson	26 min
Oct 18, 10:25 PM EDT	Tornado Warning	GRR	Calhoun	35 min
Oct 18, 10:27 PM EDT	Special Weather Statement	GRR	Isabella	33 min
Oct 18, 10:29 PM EDT	Tornado Warning	GRR	Ingham	16 min
Oct 18, 10:36 PM EDT	Severe Thunderstorm Warning	GRR	Clare, Isabella	24 min
Oct 18, 10:45 PM EDT	Tornado Warning	GRR	Ingham	15 min
Oct 18, 11:04 PM EDT	Severe Thunderstorm Warning	GRR	Eaton	21 min
Oct 18, 11:09 PM EDT	Tornado Warning	GRR	Calhoun	36 min
Oct 18, 11:25 PM EDT	Tornado Warning	GRR	Calhoun	38 min
Oct 18, 11:35 PM EDT	Severe Thunderstorm Warning	GRR	Eaton, Ingham	40 min
Oct 18, 11:52 PM EDT	Tornado Warning	GRR	Ingham, Jackson	23 min
Oct 19, 12:07 AM EDT	Severe Thunderstorm Warning	GRR	Ingham	38 min
Oct 19, 12:20 AM EDT	Tornado Warning	GRR	Ingham	25 min
Oct 19, 4:38 AM EDT	Wind Advisory	GRR	Allegan, Mason, Muskegon, Oceana, Ottawa, Van Buren	15 hr

Nearby

Severe Thunderstorm Warnings in Michigan, 2007 Every severe thunderstorm warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.