Alert archive / Minnesota / Winter Storm Warnings in 2014

Winter Storm Warning 6, NWS Duluth, MN

March 17, 20148 counties in Minnesota; 7 counties in Wisconsin

NWS Duluth, MN issued this winter storm warning at Mar 17, 2014, 4:41 AM CDT for 8 counties in Minnesota; 7 counties in Wisconsin. It took effect at Mar 18, 2014, 12:00 AM CDT. It was in force for 27 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
Mar 17, 2014, 4:41 AM CDT (09:41 UTC)
In effect from
Mar 18, 2014, 12:00 AM CDT
Expired
Mar 19, 2014, 3:14 AM CDT
In force
27 hr
Issued by
NWS Duluth, MN

Counties Aitkin County, MN, Carlton County, MN, Cass County, MN, Cook County, MN, Crow Wing County, MN, Lake County, MN, Pine County, MN, Saint Louis County, MN, Ashland County, WI, Bayfield County, WI, Burnett County, WI, Douglas County, WI, Iron County, WI, Sawyer County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 27 km from the middle of the area, began a volume at 09:47 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

Minneapolis, MN (KMPX), launched 00:00Z, 9.7 hours before the alert went out and 230 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-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2014-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2014-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
1285 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
187 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 winter storm 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 winter storm warning went out at Mar 17, 4:23 AM CDT, 18 minutes earlier.

Area forecast discussion, Mar 17, 4:23 AM CDT, 18 minutes before
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Hazardous weather outlook, Mar 16, 3:21 PM CDT, 13 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DULUTH MN
321 PM CDT SUN MAR 16 2014

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-171130-
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-
321 PM CDT SUN MAR 16 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MINNESOTA AND
NORTHWEST WISCONSIN.

.DAY ONE...THIS AFTERNOON AND TONIGHT

WIDESPREAD LIGHT SNOW WILL SPREAD ACROSS THE NORTHLAND TONIGHT.
MOST AREAS CAN EXPECT AN INCH OR TWO OF SNOW ACCUMULATION...WITH
THE HIGHER AMOUNTS ALONG THE BORDERLAND AND THE NORTH SHORE OF
LAKE SUPERIOR.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THE SNOW WILL CONTINUE INTO MONDAY...GRADUALLY ENDING FROM WEST TO
EAST. MOST LOCATIONS WILL SEE AN ADDITIONAL INCH OR LESS. THE
EXCEPTION WILL BE ALONG THE NORTH SHORE OF LAKE SUPERIOR AND THE
TIP OF THE ARROWHEAD...WHERE ANOTHER INCH OR TWO IS POSSIBLE...FOR
EVENT TOTAL SNOWFALL AMOUNTS OF 2 TO 4 INCHES. LOCALLY HIGHER
AMOUNTS ARE POSSIBLE.

STRONG LOW PRESSURE SYSTEM WILL AFFECT THE UPPER GREAT LAKES
REGION TUESDAY THROUGH WEDNESDAY. THIS SYSTEM WILL HAVE THE
POTENTIAL TO BRING A CORRIDOR OF HEAVY SNOW TO A PORTION OF THE
NORTHLAND. HOWEVER...THERE IS STILL A HIGH LEVEL OF UNCERTAINTY
INTO THE PLACEMENT OF THE HEAVIEST SNOWFALL AMOUNTS. CONTINUE TO
MONITOR THE FORECAST AS THIS SYSTEM EVOLVES.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND
TONIGHT.

STEWART

MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING WEB ADDRESS:
HTTP://WWW.WEATHER.GOV/DULUTH (ALL LOWER CASE)

The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 17, 4:41 AM CDTWinter Storm WatchDLHCass, Itasca, Saint Louis11 hr
Mar 17, 3:24 PM CDTWinter Weather AdvisoryDLHAitkin, Cass, Cook, Crow Wing, Itasca, Lake and 1 more40 hr
Mar 17, 3:24 PM CDTWinter Storm WatchDLHPrice5 hr

Nearby

Winter Storm Warnings in Minnesota, 2014Winter Storm Warnings in Wisconsin, 2014Every winter storm warning in 2014

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.