Alert archive / Wisconsin / Special Weather Statements in 2021

Special Weather Statement, NWS Duluth, MN

June 11, 2021Iron County, Wisconsin

NWS Duluth, MN issued this special weather statement at Jun 11, 2021, 2:33 AM CDT for Iron County, Wisconsin. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 11, 2021, 2:33 AM CDT (07:33 UTC)
Expired
Jun 11, 2021, 3:00 AM CDT
In force
27 min
Issued by
NWS Duluth, MN

County Iron County, WI

The radar

The Duluth radar (KDLH), 155 km from the middle of the area, began a volume at 07:35 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

Green Bay/Straub, WI (KGRB), launched 00:00Z, 7.6 hours before the alert went out and 264 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, Green Bay/Straub, WI at 00:00Z on 2021-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 809 joules per kilogram.LCLLFCEL10008507005003002001001 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, Green Bay/Straub, WI at 00:00Z on 2021-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.1939Sfc1 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
809 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
1546 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 11, 12:26 AM CDT, 2 hours 7 minutes earlier.

Area forecast discussion, Jun 11, 12:26 AM CDT, 2 hours 7 minutes before
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Hazardous weather outlook, Jun 10, 9:59 PM CDT, 4 hours 34 minutes before
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In the hours before

Special weather statement, Jun 10, 9:29 PM CDT, 5 hours 4 minutes before
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Local storm report, Jun 10, 10:43 PM CDT, 3 hours 50 minutes before
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Special weather statement, Jun 11, 12:02 AM CDT, 2 hours 31 minutes before
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Special weather statement, Jun 11, 12:28 AM CDT, 2 hours 5 minutes before
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Local storm report, Jun 11, 12:53 AM CDT, 1 hour 40 minutes before
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Special weather statement, Jun 11, 2:33 AM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 6:50 AM CDTDense Fog AdvisoryDLHCarlton, Cook, Lake, Saint Louis4 hr
Jun 11, 7:00 AM CDTBeach Hazards StatementDLHCarlton, Saint Louis14 hr
Jun 11, 9:34 AM CDTSpecial Weather StatementDLHCarlton26 min
Jun 11, 9:49 AM CDTSevere Thunderstorm WarningDLHCarlton, Saint Louis26 min
Jun 11, 9:54 AM CDTSpecial Marine WarningDLH66 min
Jun 11, 11:09 AM CDTSpecial Weather StatementDLHCook21 min
Jun 11, 11:43 AM CDTSpecial Weather StatementDLHCook32 min
Jun 11, 1:14 PM CDTSpecial Weather StatementDLHCook16 min
Jun 11, 1:31 PM CDTSpecial Weather StatementDLHCook29 min
Jun 10, 7:01 PM CDTSpecial Weather StatementDLHSawyer29 min
Jun 10, 7:02 PM CDTSpecial Weather StatementDLHPrice28 min
Jun 10, 7:10 PM CDTSpecial Weather StatementDLHPrice20 min
Jun 10, 7:10 PM CDTSpecial Weather StatementDLHSawyer35 min
Jun 10, 7:25 PM CDTAreal Flood AdvisoryDLHAshland, Price, Sawyer3 hr
Jun 10, 7:31 PM CDTSpecial Weather StatementDLHSawyer29 min
Jun 10, 7:38 PM CDTSpecial Weather StatementDLHSawyer22 min
Jun 10, 7:44 PM CDTSpecial Weather StatementDLHSawyer31 min
Jun 10, 7:56 PM CDTSpecial Weather StatementDLHPrice34 min
Jun 10, 8:13 PM CDTSpecial Weather StatementDLHSawyer32 min
Jun 10, 8:21 PM CDTSevere Thunderstorm WarningDLHSawyer39 min
Jun 10, 9:01 PM CDTSpecial Weather StatementDLHSawyer14 min
Jun 10, 9:15 PM CDTSpecial Weather StatementDLHSawyer15 min
Jun 10, 9:29 PM CDTSpecial Weather StatementDLHSawyer16 min
Jun 11, 12:02 AM CDTSpecial Weather StatementDLHIron13 min
Jun 11, 9:50 AM CDTSevere Thunderstorm WarningDLHDouglas25 min
Jun 11, 10:18 AM CDTSpecial Weather StatementDLHDouglas27 min
Jun 11, 4:55 PM CDTSpecial Weather StatementDLHBayfield20 min
Jun 11, 5:16 PM CDTSevere Thunderstorm WarningDLHAshland, Bayfield44 min
Jun 11, 5:40 PM CDTSpecial Weather StatementDLHSawyer20 min
Jun 11, 5:57 PM CDTSpecial Weather StatementDLHSawyer33 min
Jun 11, 6:30 PM CDTSpecial Weather StatementDLHIron30 min

Nearby

Special Weather Statements in Wisconsin, 2021Every special weather statement in 2021

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.