Alert archive / Michigan / Lake Effect Snow Warnings in 2013

Lake Effect Snow Warning 2, NWS Grand Rapids, MI

January 31, 201313 counties in Michigan

NWS Grand Rapids, MI issued this lake effect snow warning at Jan 31, 2013, 3:19 AM EST for 13 counties in Michigan. It was in force for 58 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jan 31, 2013, 3:19 AM EST (08:19 UTC)
Expired: Feb 2, 2013, 1:00 PM EST
In force: 58 hr
Issued by: NWS Grand Rapids, MI

Counties Allegan County, MI, Barry County, MI, Calhoun County, MI, Eaton County, MI, Ionia County, MI, Kalamazoo County, MI, Kent County, MI, Mason County, MI, Muskegon County, MI, Newaygo County, MI, Oceana County, MI, Ottawa County, MI, Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 15 km from the middle of the area, began a volume at 08:23 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 00:00Z, 8.3 hours before the alert went out and 258 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: 691 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -53 m²/s²
0-3 km storm-relative helicity: 45 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this lake effect snow 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 lake effect snow warning went out at Jan 31, 12:18 AM EST, 3 hours 1 minute earlier.

Area forecast discussion, Jan 31, 12:18 AM EST, 3 hours 1 minute before

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Hazardous weather outlook, Jan 30, 6:36 PM EST, 8 hours 43 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
636 PM EST WED JAN 30 2013

MIZ037>040-043>046-050>052-056>059-064>067-071>074-311145-
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-
INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
636 PM EST WED JAN 30 2013

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

.DAY ONE...TONIGHT

RISES ON SMALLER STREAMS AND RIVERS WILL CONTINUE TO POSE A
FLOODING THREAT TONIGHT. ICE JAMS WILL ALSO POSE A FLOODING THREAT
TONIGHT.

ICY CONDITIONS ARE EXPECTED TO DEVELOP ON AREA ROADWAYS THIS EVENING
AS TEMPERATURES WILL FALL BELOW FREEZING. SNOW IS LIKELY TO
ACCUMULATE ON TOP OF ANY ICE THAT FORMS ON ROADS AND RESULT IN
HAZARDOUS TRAVEL CONDITIONS THIS EVENING AND TONIGHT.

SNOW WILL FALL THROUGH TONIGHT WITH THE HIGHEST SNOW AMOUNTS EXPECTED
NEAR THE LAKE SHORE AND ALONG AND WEST OF HIGHWAY US 131. GUSTY
WINDS WILL ALSO PRODUCE NEAR ZERO VISIBILITIES AT TIMES TONIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SNOW OFF OF LAKE MICHIGAN WILL CONTINUE TO FALL THURSDAY AND SOME
OF FRIDAY. CONTINUED TRAVEL IMPACTS WILL BE LIKELY FROM THIS
ADDITIONAL SNOW.

RIVER RISES AND POTENTIAL ICE JAMS WILL CONTINUE TO BRING A FLOOD
THREAT INTO EARLY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT SNOW TOTALS...OR ANY INSTANCES
OF FLOODING TO THE NATIONAL WEATHER SERVICE.

LMZ844>849-311145-
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-
636 PM EST WED JAN 30 2013

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

.DAY ONE...TONIGHT

WIND AND WAVES WILL BE HAZARDOUS TO SMALL CRAFT THROUGH TONIGHT.
SNOW SHOWERS TONIGHT WILL REDUCE VISIBILITIES TO NEAR ZERO AT
TIMES.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

WIND AND WAVES WILL BE HAZARDOUS TO SMALL CRAFT THURSDAY THROUGH
SATURDAY.

SNOW SHOWERS SATURDAY WILL REDUCE VISIBILITIES TO NEAR ZERO AT
TIMES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

WDM NJJ

In the hours before

Local storm report, Jan 30, 9:33 PM EST, 5 hours 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
933 PM EST WED JAN 30 2013

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

0925 PM     HEAVY RAIN       OKEMOS                  42.72N 84.43W
01/30/2013  M1.21 INCH       INGHAM             MI   TRAINED SPOTTER

            TOTAL RAINFALL BEGINNING 4 AM 29 JANUARY THROUGH 9 PM 30
            JANUARY. DEER CREEK AT GRAND RIVER ROAD IN WILLIAMSTON IS
            OUT OF ITS BANKS.

&&

EBW

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 30, 10:22 PM EST	River Flood Advisory	GRR	Kalamazoo	13 hr
Jan 30, 10:40 PM EST	River Flood Warning	GRR	Muskegon	40 hr
Jan 30, 10:53 PM EST	River Flood Warning	GRR	Isabella	12 hr
Jan 31, 11:43 AM EST	River Flood Advisory	GRR	Kent	58 hr
Jan 31, 11:43 AM EST	River Flood Advisory	GRR	Kent	48 hr
Jan 31, 11:43 AM EST	River Flood Advisory	GRR	Isabella	23 hr
Jan 31, 2:39 PM EST	River Flood Advisory	GRR	Newaygo	45 hr

Nearby

Lake Effect Snow Warnings in Michigan, 2013 Every lake effect snow warning 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.