Alert archive / Michigan / Special Weather Statements in 2013

Special Weather Statement, NWS Grand Rapids, MI

May 20, 2013Newaygo County, Michigan

NWS Grand Rapids, MI issued this special weather statement at May 20, 2013, 12:32 PM EDT for Newaygo County, Michigan. It was in force for 43 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: May 20, 2013, 12:32 PM EDT (16:32 UTC)
Expired: May 20, 2013, 1:15 PM EDT
In force: 43 min
Issued by: NWS Grand Rapids, MI

County Newaygo County, MI

The radar

The Grand Rapids radar (KGRR), 73 km from the middle of the area, began a volume at 16:33 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 4.5 hours before the alert went out and 206 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: 22 J/kg
Mixed-layer CIN: -355 J/kg
Mixed-layer LCL: 1270 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 276 m²/s²
0-3 km storm-relative helicity: 330 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 May 20, 11:24 AM EDT, 1 hour 8 minutes earlier.

Area forecast discussion, May 20, 11:24 AM EDT, 1 hour 8 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, May 20, 4:54 AM EDT, 7 hours 38 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
454 AM EDT MON MAY 20 2013

MIZ037>040-043>046-050>052-056>059-064>067-071>074-210900-
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-
INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
454 AM EDT MON MAY 20 2013

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

.DAY ONE...TODAY AND TONIGHT

A FEW THUNDERSTORMS AREA POSSIBLE THIS MORNING BUT THUNDERSTORMS
ARE EXPECTED TO BE MORE WIDESPREAD THIS AFTERNOON AND TONIGHT.
THIS AFTERNOON AND TONIGHT A FEW OF THE STORMS MAY HAVE LARGE
HAIL AND DAMAGING WINDS. STORMS WILL MOVE NORTHEAST AT 25 MPH. AN
ISOLATED TORNADO IS POSSIBLE.

SOME LOCALIZED FLOODING MAY OCCUR IN LOCATIONS THAT SEE REPEATED
THUNDERSTORMS ACTIVITY THIS AFTERNOON INTO TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THUNDERSTORMS WILL BE POSSIBLE FROM TUESDAY THROUGH WEDNESDAY
EVENING. SOME OF THESE THUNDERSTORMS COULD PRODUCE DAMAGING WINDS
AND LARGE HAIL. AT THIS TIME...WEDNESDAY AFTERNOON AND EVENING
LOOKS TO BE THE BEST CHANCE FOR DAMAGING WINDS AND LARGE HAIL.

SOME LOCALIZED FLOODING MAY OCCUR IN LOCATIONS THAT SEE REPEATED
THUNDERSTORMS THROUGH WEDNESDAY EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY INSTANCES OF HAIL...STORM
DAMAGE...HEAVY RAINFALL OR LOCALIZED FLOODING THIS WEEK.

LMZ844>849-210900-
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-
454 AM EDT MON MAY 20 2013

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

.DAY ONE...TODAY AND TONIGHT

PERIODS OF THUNDERSTORMS ARE EXPECTED THROUGH TONIGHT. AREAS OF
FOG ARE ALSO EXPECTED.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

FOG IS EXPECTED TO REDUCE VISIBILITIES OVER LAKE MICHIGAN EACH
MORNING THROUGH MID WEEK. THUNDERSTORMS WILL BE POSSIBLE THROUGH
WEDNESDAY EVENING OVER LAKE MICHIGAN.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY INSTANCES OF HAIL OR
DAMAGING WINDS.

WDM

In the hours before

Special weather statement, May 20, 12:32 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1232 PM EDT MON MAY 20 2013

MIZ044-050-056-057-201715-
KENT-MUSKEGON-NEWAYGO-OTTAWA-
1232 PM EDT MON MAY 20 2013

...SIGNIFICANT WEATHER ADVISORY...

AT 1230 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF RAPIDLY DEVELOPING THUNDERSTORMS ALONG A LINE EXTENDING FROM
HOLTON TO FRUITPORT...MOVING NORTHEAST AT 40 MPH.

ONE HALF INCH DIAMETER HAIL...WIND GUSTS GREATER THAN 40 MPH...ARE
POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
  REEMAN...             BRUNSWICK...          HESPERIA...
  BRIDGETON...          RAVENNA...            FREMONT...
  ASHLAND TWP...        BAILEY...             CASNOVIA...
  GRANT...              NEWAYGO...            BROHMAN...
  WHITE CLOUD...        ENSLEY TWP...         WOODVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW
AROUND. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAVE
PASSED.

&&

LAT...LON 4347 8604 4359 8604 4382 8566 4381 8556
      4333 8556 4296 8619 4347 8625
TIME...MOT...LOC 1631Z 231DEG 36KT 4344 8613 4312 8609

MEADE

The office that day

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

Issued	Product	Office	Counties	Lasted
May 20, 1:15 PM EDT	Special Weather Statement	GRR	Mecosta, Osceola	45 min
May 20, 1:50 PM EDT	Severe Thunderstorm Warning	GRR	Mecosta	40 min
May 20, 2:24 PM EDT	Severe Thunderstorm Warning	GRR	Newaygo	51 min
May 20, 2:31 PM EDT	Severe Thunderstorm Warning	GRR	Mecosta	44 min
May 20, 2:56 PM EDT	Severe Thunderstorm Warning	GRR	Clare	64 min
May 20, 3:24 PM EDT	Severe Thunderstorm Warning	GRR	Kent	51 min
May 20, 3:41 PM EDT	Severe Thunderstorm Warning	GRR	Ionia, Montcalm	64 min
May 20, 4:10 PM EDT	Severe Thunderstorm Warning	GRR	Clare, Gratiot, Isabella	65 min
May 20, 5:13 PM EDT	Severe Thunderstorm Warning	GRR	Gratiot	47 min
May 20, 5:47 PM EDT	Severe Thunderstorm Warning	GRR	Clinton	43 min
May 20, 6:07 PM EDT	Severe Thunderstorm Warning	GRR	Ingham	38 min

Nearby

Special Weather Statements in Michigan, 2013 Every special weather statement in 2013

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.