Alert archive / Wisconsin / Lake Effect Snow Warnings in 2011
Lake Effect Snow Warning 1, NWS Duluth, MN
NWS Duluth, MN issued this lake effect snow warning at Jan 6, 2011, 3:24 PM CST for Ashland County, Bayfield County, Iron County, Wisconsin. It was in force for 42 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 6, 2011, 3:24 PM CST (21:24 UTC)
- Expired
- Jan 8, 2011, 9:50 AM CST
- In force
- 42 hr
- Issued by
- NWS Duluth, MN
Counties Ashland County, WI, Bayfield County, WI, Iron County, WI
The radar
The Duluth radar (KDLH), 120 km from the middle of the area, began a volume at 21:30 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
International Fa, MN (KINL), launched 12:00Z, 9.4 hours before the alert went out and 302 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
- 735 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Duluth, MN wrote its last area forecast discussion before this lake effect snow warning went out at Jan 6, 3:03 PM CST, 21 minutes earlier.
Area forecast discussion, Jan 6, 3:03 PM CST, 21 minutes before
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</html>Hazardous weather outlook, Jan 6, 4:04 AM CST, 11 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DULUTH MN 404 AM CST THU JAN 6 2011 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-071130- KOOCHICHING-NORTHERN ST. LOUIS-NORTHERN COOK/NORTHERN LAKE- NORTHERN ITASCA-CENTRAL ST. LOUIS-SOUTHERN LAKE/LAKESHORE- SOUTHERN COOK/LAKESHORE-NORTHERN CASS-SOUTHERN ITASCA- SOUTHERN CASS-CROW WING-NORTHERN AITKIN-SOUTHERN AITKIN- CARLTON/SOUTHERN ST. LOUIS-PINE-DOUGLAS-BAYFIELD-ASHLAND-IRON- BURNETT-WASHBURN-SAWYER-PRICE- 404 AM CST THU JAN 6 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEASTERN MINNESOTA AND NORTHWESTERN WISCONSIN. .DAY ONE...TODAY AND TONIGHT SNOW SHOWERS WILL CONTINUE ALONG THE SOUTH SHORE...MAINLY FROM EASTERN ASHLAND COUNTY EAST ACROSS IRON COUNTY TODAY. A LAKE EFFECT SNOW ADVISORY HAS BEEN ISSUED FOR THIS AREA. SEE THE LATEST FORECAST AND WINTER WEATHER MESSAGE FOR FURTHER DETAILS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY SIGNIFICANT LAKE EFFECT SNOW SHOWERS...WITH THE POTENTIAL FOR HEAVY SNOW...IS EXPECTED IN THE SNOWBELT FROM BAYFIELD COUNTY THROUGH ASHLAND AND IRON COUNTIES THROUGH AT LEAST THE FIRST HALF OF THE WEEKEND. A LAKE EFFECT SNOW WATCH HAS BEEN ISSUED. SEE THE LATEST FORECAST AND WINTER WEATHER MESSAGE FOR FURTHER DETAILS. WIND CHILLS IN THE 20 TO 30 BELOW RANGE ARE LIKELY EACH NIGHT FOR THE REST OF THE WEEK....ESPECIALLY FROM THE TWIN PORTS NORTH TO THE CANADIAN BORDER. WIND CHILL ADVISORIES MAY HAVE TO BE ISSUED. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. LSZ121-140>148-071130- BAYFIELD TO OAK POINT WI-GRAND PORTAGE TO GRAND MARAIS MN- GRAND MARAIS TO TACONITE HARBOR MN- TACONITE HARBOR TO SILVER BAY HARBOR MN- SILVER BAY HARBOR TO TWO HARBORS MN-TWO HARBORS TO DULUTH MN- DULUTH MN TO PORT WING WI-PORT WING TO SAND ISLAND WI- SAND ISLAND TO BAYFIELD WI-OAK POINT TO SAXON HARBOR WI- 404 AM CST THU JAN 6 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS OF WESTERN LAKE SUPERIOR. .DAY ONE...TODAY AND TONIGHT A SMALL CRAFT ADVISORY IS IN EFFECT FOR MOST OF THE WISCONSIN NEARSHORE WATERS. SEE THE LATEST MARINE FORECAST FOR DETAILS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A SMALL CRAFT ADVISORY AND A HEAVY FREEZING SPRAY WATCH ARE IN EFFECT FOR MOST OF THE WISCONSIN NEARSHORE WATERS FRIDAY AND FRIDAY NIGHT. SEE THE LATEST MARINE FORECAST FOR DETAILS. 04 MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING WEB ADDRESS: HTTP://WWW.WEATHER.GOV/DULUTH (ALL LOWER CASE)
In the hours before
Local storm report, Jan 6, 1:33 PM CST, 1 hour 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
133 PM CST THU JAN 06 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0131 PM SNOW GILE 46.43N 90.23W
01/06/2011 M1.5 INCH IRON WI TRAINED SPOTTER
SNOWFALL SINCE 10 AM THIS MORNING.
&&
KKThe office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 5, 8:56 PM CST | Small Craft Advisory | DLH | 60 hr | |
| Jan 6, 3:59 AM CST | Heavy Freezing Spray Watch | DLH | 24 hr | |
| Jan 6, 1:39 PM CST | Wind Chill Advisory | DLH | Aitkin, Carlton, Cass, Cook, Crow Wing, Itasca and 4 more | 19 hr |
| Jan 5, 6:49 PM CST | Lake Effect Snow Advisory | DLH | Ashland, Iron | 21 hr |
Nearby
Lake Effect Snow Warnings in Wisconsin, 2011Every lake effect snow warning 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.