Alert archive / Michigan / Winter Storm Watches in 2016
Winter Storm Watch 4, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this winter storm watch at Dec 6, 2016, 2:05 PM EST for 7 counties in Michigan. It took effect at Dec 8, 2016, 12:00 AM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 6, 2016, 2:05 PM EST (19:05 UTC)
- In effect from
- Dec 8, 2016, 12:00 AM EST
- Expired
- Dec 7, 2016, 3:58 AM EST
- In force
- Issued by
- NWS Grand Rapids, MI
Counties Allegan County, MI, Kalamazoo County, MI, Lake County, MI, Mason County, MI, Oceana County, MI, Ottawa County, MI, Van Buren County, MI
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.1 hours before the alert went out and 224 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1035 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm watch 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 winter storm watch went out at Dec 6, 12:51 PM EST, 1 hour 14 minutes earlier.
Area forecast discussion, Dec 6, 12:51 PM EST, 1 hour 14 minutes before
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</html>Hazardous weather outlook, Dec 6, 6:04 AM EST, 8 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND RAPIDS MI 604 AM EST TUE DEC 6 2016 MIZ037>040-043>046-050>052-056>059-064>067-071>074-071115- MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON- MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON- INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON- 604 AM EST TUE DEC 6 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY LAKE EFFECT SNOW...POTENTIALLY HEAVY...IS EXPECTED FROM LATE WEDNESDAY NIGHT THROUGH FRIDAY ACROSS WESTERN LOWER MICHIGAN. ACCUMULATING SNOW IS EXPECTED FROM ROUGHLY U.S. HIGHWAY 131 WESTWARD TO THE LAKESHORE. HAZARDOUS TRAVEL IS POSSIBLE TOWARD LAKE MICHIGAN ESPECIALLY FROM THURSDAY INTO FRIDAY. ADDITIONAL ACCUMULATING SNOW IS POSSIBLE OVER THE WEEKEND AS AN AREA OF LOW PRESSURE MOVES THROUGH THE GREAT LAKES REGION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. LMZ844>849-071115- 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- 604 AM EST TUE DEC 6 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...TODAY AND TONIGHT WINDS AND WAVES WILL INCREASE TONIGHT MAKING CONDITIONS HAZARDOUS TO SMALLER CRAFT. WAVES WILL LIKELY INCREASE INTO THE 6 TO 10 FOOT RANGE TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY ROUGH CONDITIONS WILL CONTINUE ON LAKE MICHIGAN FROM WEDNESDAY THROUGH FRIDAY. CONDITIONS WILL REMAIN HAZARDOUS TO SMALLER CRAFT DURING THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. DUKE
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 6, 4:02 AM EST | Small Craft Advisory | GRR | 8 days |
Nearby
Winter Storm Watches in Michigan, 2016Every winter storm watch in 2016
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.