Alert archive / Michigan / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 70, NWS Grand Rapids, MI

June 13, 20084 counties in Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Jun 13, 2008, 3:35 AM EDT for 4 counties in Michigan. It was in force for 42 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 13, 2008, 3:35 AM EDT (07:35 UTC)
Expired: Jun 13, 2008, 4:17 AM EDT
In force: 42 min
Issued by: NWS Grand Rapids, MI
Area: Storm-based polygon

Counties Allegan County, MI, Muskegon County, MI, Ottawa County, MI, Van Buren County, MI

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 13, 1:57 AM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 7.6 hours before the alert went out and 222 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 154 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 1300 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 231 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

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 13, 1:25 AM EDT, 2 hours 10 minutes earlier.

Area forecast discussion, Jun 13, 1:25 AM EDT, 2 hours 10 minutes before

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Hazardous weather outlook, Jun 12, 7:59 PM EDT, 7 hours 36 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
759 PM EDT THU JUN 12 2008

LMZ844>849-MIZ037>040-043>046-050>052-056>059-064>067-071>074-132115-
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-
759 PM EDT THU JUN 12 2008

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

.DAY ONE...TONIGHT

SIGNIFICANT FLOODING WILL CONTINUE ACROSS MUCH OF MASON...LAKE
AND OSCEOLA COUNTIES.  PARTICULARLY HARD HIT RIVERS WILL INCLUDE THE
PINE...BIG SABLE...LINCOLN AND PERE MARQUETTE RIVERS. THESE RIVERS
WILL CONTINUE TO EXPERIENCE FLOODING.  FLOODED...WEAKENED AND WASHED
OUT ROADS WILL BE A HAZARD FOR MOTORISTS.

THERE IS THE CHANCE OF THUNDERSTORMS THROUGH THIS EVENING. NO SEVERE
WEATHER IS EXPECTED. A FEW WIND GUSTS TO 40 MPH AND SMALL HAIL WILL
BE POSSIBLE.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH WEDNESDAY

A SLIGHT RISK FOR SEVERE THUNDERSTORMS EXISTS SOUTH OF A BATTLE
CREEK TO JACKSON LINE SATURDAY INTO SATURDAY NIGHT.

A SLIGHT RISK FOR SEVERE THUNDERSTORMS EXISTS FOR THE ENTIRE REGION
ON SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED.

MJS NJJ

In the hours before

Local storm report, Jun 13, 12:14 AM EDT, 3 hours 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1214 AM EDT FRI JUN 13 2008

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

1213 AM     HAIL             LUTHER                  44.04N 85.68W
06/13/2008  M0.25 INCH       LAKE               MI   FIRE DEPT/RESCUE

            HAIL REPORTED BY FIRE DEPARTMENT.

&&

MKALEMBK

Local storm report, Jun 13, 12:52 AM EDT, 2 hours 43 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1252 AM EDT FRI JUN 13 2008

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

1208 AM     TSTM WND GST     6 N PENTWATER           43.87N 86.43W
06/13/2008  E50 MPH          MASON              MI   TRAINED SPOTTER

            WINDS ESTIMATED OVER 50 MPH WITH PEA-SIZED HAIL AND HEAVY
            RAIN.

&&

OSTUNO

Local storm report, Jun 13, 12:59 AM EDT, 2 hours 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1259 AM EDT FRI JUN 13 2008

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

1225 AM     HAIL             TUSTIN                  44.10N 85.46W
06/13/2008  E1.00 INCH       OSCEOLA            MI   BROADCAST MEDIA

&&

OSTUNO

Special weather statement, Jun 13, 1:19 AM EDT, 2 hours 16 minutes before

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Special weather statement, Jun 13, 1:51 AM EDT, 1 hour 44 minutes before

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Special weather statement, Jun 13, 2:56 AM EDT, 39 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
Jun 12, 8:26 PM EDT	Special Marine Warning	GRR		2 hr
Jun 12, 9:12 PM EDT	Severe Thunderstorm Warning	GRR	Mason	48 min
Jun 12, 9:16 PM EDT	Tornado Warning	GRR	Mason	44 min
Jun 12, 9:58 PM EDT	Special Marine Warning	GRR		92 min
Jun 12, 10:00 PM EDT	Severe Thunderstorm Warning	GRR	Mason	45 min
Jun 12, 10:07 PM EDT	Severe Thunderstorm Warning	GRR	Lake, Mason	38 min
Jun 12, 10:17 PM EDT	Tornado Warning	GRR	Lake, Mason	58 min
Jun 12, 10:22 PM EDT	Areal Flood Advisory	GRR	Lake, Mason	2 hr
Jun 12, 10:44 PM EDT	Severe Thunderstorm Warning	GRR	Mason, Oceana	46 min
Jun 12, 10:55 PM EDT	Flash Flood Warning	GRR	Lake, Mason	17 hr
Jun 12, 11:01 PM EDT	Severe Thunderstorm Warning	GRR	Lake, Osceola	59 min
Jun 12, 11:14 PM EDT	Severe Thunderstorm Warning	GRR	Lake, Mason, Newaygo, Oceana	61 min
Jun 12, 11:28 PM EDT	Special Marine Warning	GRR		92 min
Jun 12, 11:54 PM EDT	Severe Thunderstorm Warning	GRR	Lake, Osceola	51 min
Jun 12, 11:58 PM EDT	Severe Thunderstorm Warning	GRR	Mason, Oceana	47 min
Jun 13, 12:33 AM EDT	Severe Thunderstorm Warning	GRR	Lake, Mason	42 min
Jun 13, 12:55 AM EDT	Special Marine Warning	GRR		95 min
Jun 13, 1:16 AM EDT	Severe Thunderstorm Warning	GRR	Mason	29 min
Jun 13, 1:19 AM EDT	Special Weather Statement	GRR	Osceola	41 min
Jun 13, 1:51 AM EDT	Special Weather Statement	GRR	Lake, Mason, Oceana, Osceola	69 min
Jun 13, 2:32 AM EDT	Special Marine Warning	GRR		87 min
Jun 13, 2:56 AM EDT	Special Weather Statement	GRR	Lake, Mason, Mecosta, Muskegon, Newaygo, Oceana and 1 more	64 min
Jun 13, 3:03 AM EDT	Special Marine Warning	GRR		57 min
Jun 13, 3:07 AM EDT	River Flood Warning	GRR	Mason	53 hr
Jun 13, 4:13 AM EDT	Special Weather Statement	GRR	Clare, Isabella, Mecosta, Newaygo	77 min
Jun 13, 4:18 AM EDT	Special Weather Statement	GRR	Barry, Calhoun, Eaton, Ionia, Kalamazoo, Kent	72 min
Jun 13, 5:28 AM EDT	Special Weather Statement	GRR	Allegan, Van Buren	62 min
Jun 13, 5:30 AM EDT	Special Weather Statement	GRR	Gratiot, Isabella, Montcalm	60 min
Jun 13, 5:33 AM EDT	Special Weather Statement	GRR	Jackson	57 min
Jun 13, 6:14 AM EDT	Special Weather Statement	GRR	Calhoun, Eaton, Ingham, Jackson	91 min
Jun 13, 10:32 AM EDT	Flash Flood Warning	GRR	Osceola	5 hr
Jun 13, 12:36 PM EDT	Flash Flood Watch	GRR	Allegan, Barry, Calhoun, Clinton, Eaton, Gratiot and 9 more	8 hr
Jun 13, 2:17 PM EDT	Special Weather Statement	GRR	Barry, Calhoun, Eaton, Kalamazoo	58 min
Jun 13, 3:12 PM EDT	Special Weather Statement	GRR	Barry, Calhoun, Eaton, Kalamazoo	63 min
Jun 13, 3:25 PM EDT	Areal Flood Warning	GRR	Lake, Mason, Osceola	24 hr
Jun 13, 4:11 PM EDT	Special Weather Statement	GRR	Barry, Eaton, Ingham, Jackson	64 min
Jun 13, 5:05 PM EDT	Special Weather Statement	GRR	Ingham, Jackson	55 min
Jun 13, 5:55 PM EDT	Special Weather Statement	GRR	Gratiot	65 min
Jun 13, 7:23 PM EDT	Special Weather Statement	GRR	Kent	67 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2008 Every severe thunderstorm warning in 2008

Sources

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