Alert archive / Michigan / Special Weather Statements in 2010

Special Weather Statement, NWS Grand Rapids, MI

May 31, 2010Clinton County, Michigan

NWS Grand Rapids, MI issued this special weather statement at May 31, 2010, 1:08 PM EDT for Clinton County, Michigan. It was in force for 67 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 31, 2010, 1:08 PM EDT (17:08 UTC)
Expired: May 31, 2010, 2:15 PM EDT
In force: 67 min
Issued by: NWS Grand Rapids, MI

County Clinton County, MI

The radar

The Grand Rapids radar (KGRR), 75 km from the middle of the area, began a volume at 17:09 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, 5.1 hours before the alert went out and 101 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: 673 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 1435 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: -2 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.

859 
WWUS83 KGRR 311708
SPSGRR

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
108 PM EDT MON MAY 31 2010

MIZ058-059-311815-
CLINTON-IONIA-
108 PM EDT MON MAY 31 2010

...SIGNIFICANT WEATHER ADVISORY...

AT 104 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 15 MILES WEST OF ST.
JOHNS TO 25 MILES SOUTHWEST OF ST. JOHNS...MOVING EAST AT 25 MPH.

NICKEL SIZE HAIL...WINDS GREATER THAN 40 MPH...CONTINUOUS CLOUD TO
GROUND LIGHTNING...BRIEF HEAVY DOWNPOURS...ARE POSSIBLE WITH THESE
STORMS.

LOCATIONS IMPACTED INCLUDE...
  PEWAMO...             WESTPHALIA...         FOWLER...
  EAGLE...              RILEY...              WACOUSTA...
  ST. JOHNS...          DEWITT...             BATH...
  SLEEPY HOLLOW STATE PARK...                 ELSIE...


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 THESE STORMS HAVE PASSED.

&&

LAT...LON 4312 8437 4279 8438 4278 8500 4300 8502
TIME...MOT...LOC 1708Z 253DEG 21KT 4298 8488 4279 8496

$$

OSTUNO

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 6:12 AM EDT	Special Weather Statement	GRR	Allegan, Kent	63 min
May 31, 6:41 AM EDT	Severe Thunderstorm Warning	GRR	Allegan, Kent, Montcalm, Ottawa	64 min
May 31, 7:13 AM EDT	Severe Thunderstorm Warning	GRR	Allegan, Kent, Muskegon, Ottawa, Van Buren	12 min
May 31, 7:45 AM EDT	Special Weather Statement	GRR	Lake, Mason, Oceana, Osceola	60 min
May 31, 7:49 AM EDT	Special Weather Statement	GRR	Kent	56 min
May 31, 8:42 AM EDT	Special Weather Statement	GRR	Isabella	33 min
May 31, 8:53 AM EDT	Special Weather Statement	GRR	Clare	67 min
May 31, 10:40 AM EDT	Special Weather Statement	GRR	Calhoun, Kalamazoo	80 min
May 31, 11:52 AM EDT	Special Weather Statement	GRR	Barry, Eaton	53 min
May 31, 1:29 PM EDT	Special Weather Statement	GRR	Allegan	61 min
May 31, 1:36 PM EDT	Special Weather Statement	GRR	Isabella	54 min
May 31, 1:49 PM EDT	Special Weather Statement	GRR	Newaygo	56 min
May 31, 2:04 PM EDT	Severe Thunderstorm Warning	GRR	Kent	41 min
May 31, 2:31 PM EDT	Areal Flood Advisory	GRR	Ionia, Kent, Montcalm	3 hr
May 31, 2:33 PM EDT	Special Weather Statement	GRR	Isabella	42 min
May 31, 2:45 PM EDT	Special Weather Statement	GRR	Montcalm	30 min
May 31, 2:55 PM EDT	Special Weather Statement	GRR	Montcalm	65 min
May 31, 3:30 PM EDT	River Flood Warning	GRR	Kent	5 hr
May 31, 3:36 PM EDT	Special Weather Statement	GRR	Isabella	54 min
May 31, 4:00 PM EDT	Flash Flood Warning	GRR	Kent	5 hr
May 31, 4:50 PM EDT	Special Weather Statement	GRR	Jackson	55 min
May 31, 6:34 PM EDT	Areal Flood Advisory	GRR	Jackson	3 hr

Nearby

Special Weather Statements in Michigan, 2010 Every special weather statement in 2010

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.