Alert archive / Wisconsin / Special Weather Statements in 2011

Special Weather Statement, NWS Duluth, MN

June 7, 2011Bayfield County, Wisconsin

NWS Duluth, MN issued this special weather statement at Jun 7, 2011, 2:08 AM CDT for Bayfield County, Wisconsin. It was in force for 37 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 7, 2011, 2:08 AM CDT (07:08 UTC)
Expired
Jun 7, 2011, 2:45 AM CDT
In force
37 min
Issued by
NWS Duluth, MN

County Bayfield County, WI

The radar

The Duluth radar (KDLH), 73 km from the middle of the area, began a volume at 07:11 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

International Fa, MN (KINL), launched 00:00Z, 7.1 hours before the alert went out and 255 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, International Fa, MN at 00:00Z on 2011-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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, International Fa, MN at 00:00Z on 2011-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 square meters per square second.1939587897Sfc1 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
17 J/kg
Mixed-layer CIN
-168 J/kg
Mixed-layer LCL
1618 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

478 
WWUS83 KDLH 070708
SPSDLH

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
208 AM CDT TUE JUN 7 2011

WIZ002-070745-
BAYFIELD-
208 AM CDT TUE JUN 7 2011

...MORE STRONG STORMS MOVING ACROSS NORTHERN BAYFIELD COUNTY...

AT 207 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR PORT WING...MOVING EAST AT 45 MPH.

THIS STORM IS CAPABLE OF PRODUCING UP TO PENNY SIZE HAIL...WIND GUSTS
UP TO 40 MPH...OCCASIONAL CLOUD TO GROUND LIGHTNING...

* THE THUNDERSTORM WILL BE NEAR...
  HERBSTER BY 215 AM...
  MOQUAH BY 235 AM...
  BARKSDALE AND WASHBURN BY 240 AM...

STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK SHELTER IN 
A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED.

LAT...LON 4667 9155 4677 9151 4680 9141 4680 9138
      4684 9129 4677 9084 4673 9084 4650 9100

$$

LAMERS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 10:32 PM CDTSpecial Weather StatementDLHPine28 min
Jun 6, 10:54 PM CDTSpecial Weather StatementDLHCass81 min
Jun 6, 10:59 PM CDTSpecial Weather StatementDLHPine31 min
Jun 6, 11:31 PM CDTSpecial Weather StatementDLHPine44 min
Jun 6, 11:39 PM CDTSpecial Weather StatementDLHItasca96 min
Jun 6, 11:45 PM CDTSevere Thunderstorm WarningDLHPine27 min
Jun 7, 12:06 AM CDTAreal Flood AdvisoryDLHCass, Itasca3 hr
Jun 7, 1:02 AM CDTSevere Thunderstorm WarningDLHCass, Itasca43 min
Jun 7, 1:34 AM CDTSpecial Weather StatementDLHSaint Louis41 min
Jun 7, 1:37 AM CDTSevere Thunderstorm WarningDLHItasca, Saint Louis53 min
Jun 7, 1:38 AM CDTSpecial Marine WarningDLH52 min
Jun 7, 1:54 AM CDTSevere Thunderstorm WarningDLHItasca, Saint Louis51 min
Jun 7, 1:58 AM CDTSevere Thunderstorm WarningDLHSaint Louis47 min
Jun 7, 2:21 AM CDTSpecial Marine WarningDLH69 min
Jun 7, 2:23 AM CDTSevere Thunderstorm WarningDLHCarlton, Saint Louis52 min
Jun 7, 3:18 AM CDTSmall Craft AdvisoryDLH20 hr
Jun 7, 3:55 AM CDTSevere Thunderstorm WarningDLHSaint Louis20 min
Jun 7, 6:52 AM CDTSpecial Weather StatementDLHSaint Louis38 min
Jun 7, 7:25 AM CDTSpecial Weather StatementDLHLake, Saint Louis80 min
Jun 7, 7:31 AM CDTSpecial Weather StatementDLHItasca, Koochiching59 min
Jun 7, 8:04 AM CDTSevere Thunderstorm WarningDLHKoochiching41 min
Jun 7, 8:41 AM CDTSpecial Weather StatementDLHLake49 min
Jun 7, 9:04 AM CDTSpecial Weather StatementDLHKoochiching26 min
Jun 7, 9:13 AM CDTSpecial Marine WarningDLH62 min
Jun 7, 9:29 AM CDTSpecial Weather StatementDLHKoochiching31 min
Jun 7, 9:48 AM CDTSpecial Weather StatementDLH27 min
Jun 7, 9:53 AM CDTSpecial Weather StatementDLH22 min
Jun 7, 10:02 AM CDTSpecial Weather StatementDLH43 min
Jun 7, 12:19 AM CDTSpecial Weather StatementDLHWashburn41 min
Jun 7, 1:30 AM CDTSpecial Weather StatementDLHBayfield20 min
Jun 7, 1:45 AM CDTSevere Thunderstorm WarningDLHAshland, Bayfield30 min
Jun 7, 2:59 AM CDTSpecial Weather StatementDLHBayfield46 min

Nearby

Special Weather Statements in Wisconsin, 2011Every special weather statement in 2011

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.