Alert archive / Michigan / Winter Storm Watches in 2011
Winter Storm Watch 2, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this winter storm watch at Feb 18, 2011, 3:54 PM EST for 23 counties in Michigan. It took effect at Feb 20, 2011, 7:00 AM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 18, 2011, 3:54 PM EST (20:54 UTC)
- In effect from
- Feb 20, 2011, 7:00 AM EST
- Expired
- Feb 19, 2011, 4:09 PM EST
- In force
- Issued by
- NWS Grand Rapids, MI
All 23 counties
Allegan County, MI, Barry County, MI, Calhoun County, MI, Clare County, MI, Clinton County, MI, Eaton County, MI, Gratiot County, MI, Ingham County, MI, Ionia County, MI, Isabella County, MI, Jackson County, MI, Kalamazoo County, MI, Kent County, MI, Lake County, MI, Mason County, MI, Mecosta County, MI, Montcalm County, MI, Muskegon County, MI, Newaygo County, MI, Oceana County, MI, Osceola County, MI, Ottawa County, MI, Van Buren County, MI
The radar
The Grand Rapids radar (KGRR), 27 km from the middle of the area, began a volume at 21:00 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, 8.9 hours before the alert went out and 165 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
- 2222 m above ground
- 0-6 km bulk shear
- 82 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 1 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 Feb 18, 3:30 PM EST, 24 minutes earlier.
Area forecast discussion, Feb 18, 3:30 PM EST, 24 minutes before
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</html>Hazardous weather outlook, Feb 18, 6:05 AM EST, 9 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND RAPIDS MI 605 AM EST FRI FEB 18 2011 MIZ037>040-043>046-050>052-056>059-064>067-071>074-191115- MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON- MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON- INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON- 605 AM EST FRI FEB 18 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...TODAY AND TONIGHT WINDS GUSTING OVER 40 MPH MAY CAUSE SCATTERED POWER OUTAGES TODAY. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY HEAVY SNOW AND FREEZING RAIN COULD ICE UP THE ROADS ON SUNDAY AND INTO THE MONDAY MORNING COMMUTE. ANOTHER STORM COULD DROP SNOW AND FREEZING RAIN ON THURSDAY AND FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. LMZ844>849-191115- 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- 605 AM EST FRI FEB 18 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN. .DAY ONE...TODAY AND TONIGHT WEST GALES TO 40 KNOTS AND WAVES TO 10 FEET WILL POSE A HAZARD TO MARINERS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY WINDS AND WAVES WILL POSE A HAZARD TO SMALL CRAFT OVER THE WEEKEND AND INTO NEXT WEEK. OSTUNO
In the hours before
Local storm report, Feb 18, 1:07 PM EST, 2 hours 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
107 PM EST FRI FEB 18 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0100 PM NON-TSTM WND GST 2 N WALKER 43.03N 85.76W
02/18/2011 M37 MPH KENT MI COUNTY OFFICIAL
&&
HOVINGLocal storm report, Feb 18, 1:24 PM EST, 2 hours 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
124 PM EST FRI FEB 18 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0116 PM NON-TSTM WND GST EAST GRAND RAPIDS 42.94N 85.61W
02/18/2011 M45 MPH KENT MI TRAINED SPOTTER
&&
WFELVERLocal storm report, Feb 18, 2:09 PM EST, 1 hour 45 minutes before
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</html>Local storm report, Feb 18, 2:19 PM EST, 1 hour 35 minutes before
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</html>Local storm report, Feb 18, 2:37 PM EST, 1 hour 17 minutes before
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</html>Local storm report, Feb 18, 2:39 PM EST, 1 hour 15 minutes before
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</html>The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 3:44 AM EST | Wind Advisory | GRR | Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more | 20 hr |
| Feb 18, 1:35 PM EST | River Flood Advisory | GRR | Ionia | 56 hr |
| Feb 18, 1:35 PM EST | River Flood Advisory | GRR | Clinton | 21 hr |
| Feb 18, 1:35 PM EST | River Flood Advisory | GRR | Kalamazoo | 44 hr |
Nearby
Winter Storm Watches in Michigan, 2011Every winter storm watch in 2011
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.