Alert archive / Michigan / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 19, NWS Grand Rapids, MI

June 19, 2009Calhoun County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Jun 19, 2009, 4:41 AM EDT for Calhoun County, Michigan. It was in force for 49 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: Jun 19, 2009, 4:41 AM EDT (08:41 UTC)
Expired: Jun 19, 2009, 5:30 AM EDT
In force: 49 min
Issued by: NWS Grand Rapids, MI
Area: Storm-based polygon

County Calhoun County, MI

The radar

The Grand Rapids radar (KGRR), 84 km from the middle of the area, began a volume at 08:43 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
Jun 19, 12:30 AM EDT	Severe Thunderstorm Watch	SPC	7 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.

NWS Grand Rapids, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 19, 4:25 AM EDT, 16 minutes earlier.

Area forecast discussion, Jun 19, 4:25 AM EDT, 16 minutes before

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Hazardous weather outlook, Jun 18, 4:00 PM EDT, 12 hours 41 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
400 PM EDT THU JUN 18 2009

LMZ844>849-MIZ037>040-043>046-050>052-056>059-064>067-071>074-190900-
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-
HOLLAND TO GRAND HAVEN MI-GRAND HAVEN TO WHITEHALL MI-
WHITEHALL TO PENTWATER MI-PENTWATER TO MANISTEE MI-MASON-LAKE-
OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-MONTCALM-
GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-INGHAM-
VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
400 PM EDT THU JUN 18 2009

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

.DAY ONE...TONIGHT

THUNDERSTORMS ARE LIKELY ACROSS SOUTHWEST LOWER MICHIGAN TONIGHT.
THE MAIN TIMEFRAME FOR SEVERE WEATHER WILL BE AFTER MIDNIGHT.  A FEW
OF THESE STORMS MAY BE STRONG TO SEVERE SOUTH OF LINE FROM LUDINGTON
TO ALMA. THE STRONGEST STORMS WILL BE SOUTH INTERSTATE 96
TONIGHT. THE STORMS WILL BE THE RESULT OF A WARM FRONT PUSHING
INTO LOWER MICHIGAN BY MID MORNING FRIDAY. DAMAGING WINDS...LARGE
HAIL AND HEAVY RAINFALL ARE POSSIBLE FROM THESE STORMS. FREQUENT
LIGHTNING CAN ALSO BE EXPECTED. STORMS WILL MOVE SOUTHEAST AROUND 40
MPH.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SEVERE THUNDERSTORMS ARE POSSIBLE FRIDAY AND FRIDAY NIGHT AS
DEVELOPING STORM SYSTEM TRACKS THROUGH THE STATE. THE STRONGEST
STORMS WILL TRACK SOUTH OF INTESTATE 96 DURING THE EVENING.
DAMAGING WINDS...LARGE HAIL AND VERY HEAVY RAINFALL ARE THE EXPECTED
HAZARDS FROM THESE STORMS. AN ISOLATED TORNADO IS
POSSIBLE. THE STORMS MAY CONTAIN FREQUENT LIGHTNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS POSSIBLE TONIGHT THROUGH FRIDAY NIGHT.

WDM MJS

In the hours before

Local storm report, Jun 19, 3:33 AM EDT, 1 hour 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
333 AM EDT FRI JUN 19 2009

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

0333 AM     HEAVY RAIN       2 S HOLLAND             42.75N 86.11W
06/19/2009  M1.36 INCH       ALLEGAN            MI   ASOS

            30 MINUTE RAIN TOTAL FROM 256 AM UNTIL 326 AM.

&&

GWETZEL

Local storm report, Jun 19, 3:58 AM EDT, 43 minutes before

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Local storm report, Jun 19, 4:06 AM EDT, 35 minutes before

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Local storm report, Jun 19, 4:27 AM EDT, 14 minutes before

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Local storm report, Jun 19, 4:38 AM EDT, 3 minutes before

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Local storm report, Jun 19, 4:40 AM EDT, 1 minute 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
Jun 19, 1:27 AM EDT	Special Marine Warning	GRR		108 min
Jun 19, 2:37 AM EDT	Severe Thunderstorm Warning	GRR	Allegan	53 min
Jun 19, 2:46 AM EDT	Special Marine Warning	GRR		104 min
Jun 19, 2:50 AM EDT	Flash Flood Warning	GRR	Allegan, Ottawa	6 hr
Jun 19, 3:11 AM EDT	Special Marine Warning	GRR		50 min
Jun 19, 3:35 AM EDT	Severe Thunderstorm Warning	GRR	Allegan, Van Buren	55 min
Jun 19, 4:04 AM EDT	Severe Thunderstorm Warning	GRR	Kalamazoo	41 min
Jun 19, 4:29 AM EDT	Flash Flood Watch	GRR	Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more	20 hr
Jun 19, 5:44 AM EDT	Special Weather Statement	GRR	Allegan, Barry, Calhoun, Clinton, Eaton, Gratiot and 8 more	46 min
Jun 19, 12:08 PM EDT	River Flood Warning	GRR	Kalamazoo	23 hr
Jun 19, 1:06 PM EDT	Special Weather Statement	GRR	Allegan, Barry, Calhoun, Clinton, Eaton, Ingham and 6 more	114 min
Jun 19, 1:15 PM EDT	Special Marine Warning	GRR		60 min
Jun 19, 1:34 PM EDT	Special Weather Statement	GRR	Allegan, Barry, Ionia, Kalamazoo, Van Buren	56 min
Jun 19, 7:53 PM EDT	Special Weather Statement	GRR	Ottawa	82 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2009 Every severe thunderstorm warning in 2009

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.