Alert archive / Michigan / Special Weather Statements in 2012

Special Weather Statement, NWS Grand Rapids, MI

March 30, 20128 counties in Michigan

NWS Grand Rapids, MI issued this special weather statement at Mar 30, 2012, 2:12 PM EDT for 8 counties in Michigan. It was in force for 78 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: Mar 30, 2012, 2:12 PM EDT (18:12 UTC)
Expired: Mar 30, 2012, 3:30 PM EDT
In force: 78 min
Issued by: NWS Grand Rapids, MI

Counties Allegan County, MI, Barry County, MI, Calhoun County, MI, Eaton County, MI, Ingham County, MI, Jackson County, MI, Kalamazoo County, MI, Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 68 km from the middle of the area, began a volume at 18:14 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 12:00Z, 6.2 hours before the alert went out and 197 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 955 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 177 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 Mar 30, 1:32 PM EDT, 40 minutes earlier.

Area forecast discussion, Mar 30, 1:32 PM EDT, 40 minutes before

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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Mar 30, 5:45 AM EDT, 8 hours 27 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
545 AM EDT FRI MAR 30 2012

MIZ037>040-043>046-050>052-056>059-064>067-071>074-310915-
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-
INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
545 AM EDT FRI MAR 30 2012

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

.DAY ONE...TODAY AND TONIGHT

A MIXTURE OF SNOW AND SLEET MAY CREATE TRAVEL DIFFICULTIES THIS
MORNING NORTH OF INTERSTATE 96 AND EAST OF HIGHWAY 131. ONE TO THREE
INCHES OF SNOW IS LIKELY NORTH OF A REED CITY TO MOUNT PLEASANT LINE.

THUNDERSTORMS ARE POSSIBLE TODAY ALONG AND SOUTH OF THE INTERSTATE
96 CORRIDOR. THE STORMS MAY CONTAIN HAIL THE SIZE OF DIMES AS WELL
AS LOCALLY HEAVY RAINFALL AS THEY MOVE EAST AT 30 MPH. URBAN AND
SMALL STREAM FLOODING IS POSSIBLE.

FREEZING TEMPERATURES ARE POSSIBLE TONIGHT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THUNDERSTORMS ARE POSSIBLE MONDAY AND MONDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY... BUT REPORTS OF SNOW
AND SLEET AMOUNTS WOULD BE APPRECIATED. ALSO RELAY HAIL SIZE AND
RAINFALL AMOUNTS ASSOCIATED WITH ANY THUNDERSTORMS TODAY.

LMZ844>849-310915-
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-
545 AM EDT FRI MAR 30 2012

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

.DAY ONE...TODAY AND TONIGHT

EAST WINDS TO 30 KNOTS WILL CREATE CONDITIONS HAZARDOUS TO SMALL
CRAFT TODAY.

THUNDERSTORMS ARE POSSIBLE TODAY SOUTH OF WHITEHALL. THE STORMS MAY
CONTAIN HAIL THE SIZE OF DIMES AS WELL AS LOCALLY HEAVY RAINFALL AS
THEY MOVE EAST AT 30 MPH.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THUNDERSTORMS ARE POSSIBLE MONDAY AND MONDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

MEADE

In the hours before

Local storm report, Mar 30, 10:21 AM EDT, 3 hours 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1021 AM EDT FRI MAR 30 2012

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

1019 AM     FREEZING RAIN    GRANT                   43.33N 85.81W
03/30/2012  E0.00 INCH       NEWAYGO            MI   PUBLIC

            FREEZING RAIN NOW CAUSING A LIGHT GLAZE ON TREES AND
            WIRES.

&&

RSUTTLE

Special weather statement, Mar 30, 10:43 AM EDT, 3 hours 29 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1043 AM EDT FRI MAR 30 2012

MIZ058-059-065>067-072>074-301600-
BARRY-CALHOUN-CLINTON-EATON-INGHAM-IONIA-JACKSON-KALAMAZOO-
1043 AM EDT FRI MAR 30 2012

...SIGNIFICANT WEATHER ADVISORY...

THUNDERSTORMS WILL CONTINUE ACROSS LOWER MICHIGAN THROUGH AROUND
NOON TODAY.

PEA SIZE HAIL...WIND GUSTS AROUND 40 MPH...DANGEROUS LIGHTNING AND
BRIEF MODERATE DOWNPOURS ARE POSSIBLE WITH THESE STORMS THIS
MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW
AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK
SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED.

&&

LAT...LON 4242 8577 4242 8555 4277 8555 4277 8531
      4312 8531 4312 8437 4278 8436 4278 8416
      4276 8415 4208 8413 4207 8576
TIME...MOT...LOC 1440Z 256DEG 51KT 4241 8528

MACZKO

Local storm report, Mar 30, 10:46 AM EDT, 3 hours 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1046 AM EDT FRI MAR 30 2012

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

1046 AM     HAIL             KALAMAZOO               42.28N 85.59W
03/30/2012  M0.25 INCH       KALAMAZOO          MI   EMERGENCY MNGR

&&

RSUTTLE

Local storm report, Mar 30, 11:19 AM EDT, 2 hours 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1119 AM EDT FRI MAR 30 2012

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

1118 AM     SNOW             TUSTIN                  44.10N 85.46W
03/30/2012  M1.0 INCH        OSCEOLA            MI   BROADCAST MEDIA

            MEASURED ON ROADWAY.

&&

RSUTTLE

Special weather statement, Mar 30, 1:18 PM EDT, 54 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
118 PM EDT FRI MAR 30 2012

MIZ073-074-301815-
CALHOUN-JACKSON-
118 PM EDT FRI MAR 30 2012

...SIGNIFICANT WEATHER ADVISORY...

AT 111 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORMS EXTENDING FROM COLDWATER TO HILLSDALE...MOVING
NORTHEAST AT 70 MPH.

ONE HALF INCH DIAMETER HAIL...WINDS GREATER THAN 30 MPH...OCCASIONAL
CLOUD TO GROUND LIGHTNING...BRIEF HEAVY DOWNPOURS...ARE POSSIBLE WITH
THES STORMS.

LOCATIONS IMPACTED INCLUDE...
  TEKONSHA...           HOMER...              PULASKI...
  BABCOCK...            ALBION...             PARMA...
  HANOVER...            CONCORD...            LIBERTY TWP...
  HORTON...             SANDSTONE...          SPRING ARBOR...
  VANDERCOOK LAKE...    CLARK LAKE...         RIVES JUNCTION...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW
AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK
SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED.

&&

LAT...LON 4207 8414 4207 8510 4242 8442 4242 8413
      4208 8412
TIME...MOT...LOC 1716Z 247DEG 61KT 4190 8517

JK

Special weather statement, Mar 30, 2:12 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
212 PM EDT FRI MAR 30 2012

MIZ064>067-071>074-301930-
ALLEGAN-BARRY-CALHOUN-EATON-INGHAM-JACKSON-KALAMAZOO-VAN BUREN-
212 PM EDT FRI MAR 30 2012

...SIGNIFICANT WEATHER ADVISORY...

ISOLATED THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH LOWER MICHIGAN
THIS AFTERNOON.

PEA TO DIME SIZE HAIL...WIND GUSTS AROUND 35 MPH...DANGEROUS
LIGHTNING AND BRIEF MODERATE DOWNPOURS ARE POSSIBLE WITH THESE
STORMS THROUGH 3PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW
AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK
SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED.

&&

LAT...LON 4207 8618 4207 8622 4224 8622 4224 8636
      4247 8625 4277 8621 4278 8416 4207 8414
TIME...MOT...LOC 1811Z 258DEG 49KT 4226 8501

MACZKO

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 30, 4:59 AM EDT	Small Craft Advisory	GRR		14 hr
Mar 30, 6:58 AM EDT	Special Weather Statement	GRR	Allegan, Barry, Kent, Muskegon, Ottawa	2 hr
Mar 30, 9:15 AM EDT	Special Weather Statement	GRR	Allegan, Barry, Calhoun, Clinton, Eaton, Gratiot and 9 more	90 min
Mar 30, 10:43 AM EDT	Special Weather Statement	GRR	Barry, Calhoun, Clinton, Eaton, Ingham, Ionia and 2 more	77 min
Mar 30, 1:18 PM EDT	Special Weather Statement	GRR	Jackson	57 min
Mar 30, 3:18 PM EDT	Freeze Warning	GRR	Clare, Isabella, Lake, Mason, Mecosta, Newaygo and 1 more	13 hr

Nearby

Special Weather Statements in Michigan, 2012 Every special weather statement in 2012

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.