Alert archive / Minnesota / Winter Storm Warnings in 2013

Winter Storm Warning 2, NWS Duluth, MN

January 28, 20134 counties in Minnesota

NWS Duluth, MN issued this winter storm warning at Jan 28, 2013, 2:52 PM CST for 4 counties in Minnesota. It took effect at Jan 28, 2013, 4:00 PM CST. It was in force for 18 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 28, 2013, 2:52 PM CST (20:52 UTC)
In effect from
Jan 28, 2013, 4:00 PM CST
Expired
Jan 29, 2013, 9:34 AM CST
In force
18 hr
Issued by
NWS Duluth, MN

Counties Cass County, MN, Itasca County, MN, Koochiching County, MN, Saint Louis County, MN

The radar

The Duluth radar (KDLH), 130 km from the middle of the area, began a volume at 20:50 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 12:00Z, 8.9 hours before the alert went out and 303 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 12:00Z on 2013-01-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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 12:00Z on 2013-01-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -49 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
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
444 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-49 m²/s²
0-3 km storm-relative helicity
-8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 28, 4:11 AM CSTWinter Storm WatchDLHAitkin, Cass, Cook, Crow Wing, Itasca, Koochiching and 2 more11 hr
Jan 28, 5:55 AM CSTDense Fog AdvisoryDLHCarlton, Saint Louis4 hr
Jan 28, 2:52 PM CSTWinter Weather AdvisoryDLHAitkin, Carlton, Cass, Cook, Crow Wing, Lake and 1 more19 hr
Jan 28, 2:52 PM CSTFreezing Rain AdvisoryDLHAitkin, Carlton, Cook, Lake, Pine, Saint Louis19 hr

Nearby

Winter Storm Warnings in Minnesota, 2013Every winter storm 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.