Alert archive / Michigan / Special Weather Statements in 2009

Special Weather Statement, NWS Grand Rapids, MI

October 6, 2009Clare County, Lake County, Osceola County, Michigan

NWS Grand Rapids, MI issued this special weather statement at Oct 6, 2009, 9:13 PM EDT for Clare County, Lake County, Osceola County, Michigan. It was in force for 92 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 6, 2009, 9:13 PM EDT (01:13 UTC)
Expired
Oct 6, 2009, 10:45 PM EDT
In force
92 min
Issued by
NWS Grand Rapids, MI

Counties Clare County, MI, Lake County, MI, Osceola County, MI

The radar

The NCL Michigan radar (KAPX), 110 km from the middle of the area, began a volume at 01:13 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 nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 1.2 hours before the alert went out and 209 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-pSkew-T log-p diagram, Detroit, MI at 00:00Z on 2009-10-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 00:00Z on 2009-10-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 305 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
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
20 J/kg
Mixed-layer CIN
-204 J/kg
Mixed-layer LCL
464 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
305 m²/s²
0-3 km storm-relative helicity
364 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Oct 6, 7:40 PM EDT, 1 hour 33 minutes earlier.

Area forecast discussion, Oct 6, 7:40 PM EDT, 1 hour 33 minutes before
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Hazardous weather outlook, Oct 6, 6:06 PM EDT, 3 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
610 AM EDT TUE OCT 6 2009

MIZ037>040-043>046-050>052-056>059-064>067-071>074-071000-
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-
INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
610 PM EDT TUE OCT 6 2009

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

.DAY ONE...TONIGHT

VERY WINDY CONDITIONS WILL DEVELOP TONIGHT.  GUSTS TO 50 MPH ARE
POSSIBLE ALONG THE LAKESHORE WITH 40 MPH GUSTS POSSIBLE INLAND.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

WINDY CONDITIONS WILL PERSIST WEDNESDAY MORNING BEFORE GRADUALLY
SUBSIDING WEDNESDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

LMZ844>849-071000-
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-
610 PM EDT TUE OCT 6 2009

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

.DAY ONE...TONIGHT

CONDITIONS WILL WORSEN RAPIDLY EARLY THIS EVENING AS WINDS SHIFT
TO THE WEST AND INCREASE TO 35 TO 45 KNOT GALES. WAVES TONIGHT
WILL BUILD INTO THE 12 TO 16 FOOT RANGE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

GALE FORCE WINDS AND WAVES OF 12 FEET OR MORE WILL PERSIST WEDNESDAY
MORNING BEFORE GRADUALLY SUBSIDING WEDNESDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

MEADE MJS

In the hours before

Special weather statement, Oct 6, 4:23 PM EDT, 4 hours 50 minutes before
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Local storm report, Oct 6, 5:55 PM EDT, 3 hours 18 minutes before
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Local storm report, Oct 6, 7:34 PM EDT, 1 hour 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
734 PM EDT TUE OCT 06 2009

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

0550 PM     NON-TSTM WND GST 4 W MUSKEGON            43.23N 86.34W
10/06/2009  M42.00 MPH       MUSKEGON           MI   OTHER FEDERAL

            GLERL OBSERVATION

0610 PM     NON-TSTM WND GST 1 W SOUTH HAVEN         42.40N 86.29W
10/06/2009  M44.00 MPH       VAN BUREN          MI   OTHER FEDERAL

            GLERL OBSERVATION

&&

JK
Local storm report, Oct 6, 9:07 PM EDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
907 PM EDT TUE OCT 06 2009

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

0855 PM     NON-TSTM WND GST 1 W SOUTH HAVEN         42.40N 86.29W
10/06/2009  M48 MPH          VAN BUREN          MI   OTHER FEDERAL

            GLERL OBSERVATION

&&

JK
Special weather statement, Oct 6, 9:12 PM EDT, 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
912 PM EDT TUE OCT 6 2009

MIZ051-052-056>059-064>067-071>074-070245-
ALLEGAN-BARRY-CALHOUN-CLINTON-EATON-GRATIOT-INGHAM-IONIA-JACKSON-
KALAMAZOO-KENT-MONTCALM-OTTAWA-VAN BUREN-
912 PM EDT TUE OCT 6 2009

...SIGNIFICANT WEATHER ADVISORY...

AT 911 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A BROKEN LINE OF STRONG THUNDERSTORMS  EXTENDING FROM CEDAR SPRINGS
TO 9 MILES SOUTHWEST OF ALLEGAN...MOVING EAST AT 50 MPH.

* LOCATIONS IN THE PATH OF THESE STORMS INCLUDE...

  BREEDSVILLE...        BLOOMINGDALE...       ALPINE...
  COMSTOCK PARK...      GRANDVILLE...         BELMONT...
  WYOMING...            BYRON CENTER...       CEDAR SPRINGS...
  ROCKFORD...           GRAND RAPIDS...       BURNIPS...
  ALLEGAN...            EAST GRAND RAPIDS...  GOBLES...
  DORR...               CUTLERVILLE...        HOPKINS...

THESE STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...STRONG WIND
GUSTS...OCCASIONAL CLOUD TO GROUND LIGHTNING...AND BRIEF DOWNPOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 4230 8413 4232 8610 4328 8557 4337 8437
      4278 8436 4278 8415
TIME...MOT...LOC 0111Z 270DEG 44KT 4319 8550 4241 8593

MJS
Special weather statement, Oct 6, 9:13 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
913 PM EDT TUE OCT 6 2009

MIZ037>040-043>046-070245-
CLARE-ISABELLA-LAKE-MASON-MECOSTA-NEWAYGO-OCEANA-OSCEOLA-
913 PM EDT TUE OCT 6 2009

...SIGNIFICANT WEATHER ADVISORY...

AT 911 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM FREESOIL TO
20 MILES SOUTH OF FREESOIL...MOVING EAST AT 50 MPH.

* LOCATIONS IN THE PATH OF THESE STORMS INCLUDE...

  SCOTTVILLE...         FREESOIL...           CUSTER...
  FOUNTAIN...           CRYSTAL VALLEY...     MEADE TWP...
  WALHALLA...           ELK TWP...            LOGAN TWP...
  BRANCH...             SAUBLE TWP...         IRONS...
  SWEETWATER TWP...     TROY TWP...           LAKE TWP...
  BALDWIN...            NEWKIRK TWP...        IDLEWILD...

THESE STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...STRONG WIND
GUSTS...OCCASIONAL CLOUD TO GROUND LIGHTNING...AND BRIEF DOWNPOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 4417 8460 4380 8461 4374 8645 4418 8624
TIME...MOT...LOC 0113Z 263DEG 48KT 4417 8613 4384 8628

MJS

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 6, 9:12 PM EDTSpecial Weather StatementGRRBarry, Clinton, Eaton, Gratiot, Ingham, Ionia and 1 more93 min
Oct 6, 9:32 PM EDTSevere Thunderstorm WarningGRRClare, Isabella, Lake, Mason, Mecosta, Newaygo and 2 more35 min
Oct 6, 9:50 PM EDTHigh Wind WarningGRRAllegan, Muskegon, Ottawa, Van Buren6 hr
Oct 6, 9:56 PM EDTStorm WarningGRR6 hr
Oct 7, 10:32 AM EDTSmall Craft AdvisoryGRR36 hr

Nearby

Special Weather Statements in Michigan, 2009Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.