Alert archive / Minnesota / Winter Storm Warnings in 2013

Winter Storm Warning 1, NWS Duluth, MN

January 24, 20134 counties in Minnesota

NWS Duluth, MN issued this winter storm warning at Jan 24, 2013, 3:38 PM CST for 4 counties in Minnesota. It took effect at Jan 24, 2013, 9:00 PM CST. It was in force for 6 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 24, 2013, 3:38 PM CST (21:38 UTC)
In effect from
Jan 24, 2013, 9:00 PM CST
Expired
Jan 25, 2013, 2:44 AM CST
In force
6 hr
Issued by
NWS Duluth, MN

Counties Cook County, MN, Koochiching County, MN, Lake County, MN, Saint Louis County, MN

The radar

The Duluth radar (KDLH), 107 km from the middle of the area, began a volume at 21:39 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, 9.6 hours before the alert went out and 348 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 2013-01-24Temperature 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 12:00Z on 2013-01-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939587897117136156Sfc1 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
1215 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
93 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 24, 3:24 AM CSTWinter Weather AdvisoryDLHAitkin, Carlton, Cass, Itasca, Pine, Saint Louis23 hr
Jan 24, 12:54 PM CSTWinter Storm WatchDLHCook, Koochiching, Lake, Saint Louis3 hr
Jan 23, 7:37 PM CSTLake Effect Snow WarningDLHIron10 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.