Alert archive / Minnesota / High Wind Warnings in 2019

High Wind Warning 1, NWS Duluth, MN

October 21, 2019Carlton County, Saint Louis County, Minnesota; Douglas County, Wisconsin

NWS Duluth, MN issued this high wind warning at Oct 21, 2019, 3:58 PM CDT for Carlton County, Saint Louis County, Minnesota; Douglas County, Wisconsin. It was in force for 4 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
Oct 21, 2019, 3:58 PM CDT (20:58 UTC)
Expired
Oct 21, 2019, 7:39 PM CDT
In force
4 hr
Issued by
NWS Duluth, MN

Counties Carlton County, MN, Saint Louis County, MN, Douglas County, WI

The radar

The Duluth radar (KDLH), 11 km from the middle of the area, began a volume at 21:02 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, 9.0 hours before the alert went out and 246 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 2019-10-21Temperature 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 2019-10-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 289 square meters per square second.1939587897117136Sfc1 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
1094 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
289 m²/s²
0-3 km storm-relative helicity
317 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
Oct 21, 8:53 AM CDTSpecial Weather StatementDLHCarlton7 min
Oct 21, 9:21 AM CDTSpecial Weather StatementDLHCarlton3 hr
Oct 21, 10:27 AM CDTCoastal Flood AdvisoryDLHCarlton, Saint Louis5 hr
Oct 21, 11:21 AM CDTRiver Flood WatchDLHAitkin, Crow Wing24 hr
Oct 21, 11:21 AM CDTRiver Flood WatchDLHCrow Wing, Morrison71 hr
Oct 21, 12:00 PM CDTSpecial Weather StatementDLHCarlton3 hr
Oct 21, 2:56 PM CDTSpecial Weather StatementDLHCarlton3 hr
Oct 21, 3:09 PM CDTStorm WarningDLH6 hr
Oct 21, 3:29 PM CDTLakeshore Flood WarningDLHCarlton, Saint Louis7 hr

Nearby

High Wind Warnings in Minnesota, 2019High Wind Warnings in Wisconsin, 2019Every high wind warning in 2019

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.