Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 21, NWS Duluth, MN

June 29, 2014Ashland County, Iron County, Wisconsin

NWS Duluth, MN issued this severe thunderstorm warning at Jun 29, 2014, 6:53 PM CDT for Ashland County, Iron County, Wisconsin. It was in force for 52 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 29, 2014, 6:53 PM CDT (23:53 UTC)
Expired
Jun 29, 2014, 7:45 PM CDT
In force
52 min
Issued by
NWS Duluth, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Ashland County, WI, Iron County, WI

The radar

The Duluth radar (KDLH), 145 km from the middle of the area, began a volume at 23:56 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.

What was reported inside it

TimeReportWhereRemark
Jun 29, 7:25 PM CDTHAIL 1.5Montreal, WIPICTURE POSTED TO FACEBOOK PAGE
Jun 29, 7:27 PM CDTHAIL 1Gile, WI
Jun 29, 7:27 PM CDTHAIL 1.25Gile, WI

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.9 hours before the alert went out and 275 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 12:00Z on 2014-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2014-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 square meters per square second.193958Sfc1 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
-140 J/kg
Mixed-layer LCL
755 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
5 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.

153 
WUUS53 KDLH 292353
SVRDLH
WIC003-051-300045-
/O.NEW.KDLH.SV.W.0021.140629T2353Z-140630T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DULUTH MN
653 PM CDT SUN JUN 29 2014

THE NATIONAL WEATHER SERVICE IN DULUTH MN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN ASHLAND COUNTY IN NORTHWEST WISCONSIN...
  NORTHERN IRON COUNTY IN NORTHWEST WISCONSIN...

* UNTIL 745 PM CDT

* AT 653 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CLAM LAKE...
  AND MOVING NORTHEAST AT 45 MPH.

  HAZARD...QUARTER SIZE HAIL.

  SOURCE...TRAINED WEATHER SPOTTERS.

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MORSE AROUND 705 PM CDT.
  MELLEN AROUND 710 PM CDT.
  UPSON AROUND 725 PM CDT.
  IRON BELT AROUND 730 PM CDT.
  PENCE AROUND 735 PM CDT.
  GILE AND MONTREAL AROUND 740 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4623 9093 4626 9092 4656 9042 4639 9013
      4634 9010 4632 9000 4631 8997 4605 9091
TIME...MOT...LOC 2353Z 245DEG 39KT 4617 9083

HAIL...1.00IN
WIND...<50MPH

$$

GSF
4 follow-up statements
572 
WWUS53 KDLH 300008
SVSDLH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
708 PM CDT SUN JUN 29 2014

WIC003-051-300045-
/O.CON.KDLH.SV.W.0021.000000T0000Z-140630T0045Z/
IRON WI-ASHLAND WI-
708 PM CDT SUN JUN 29 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
ASHLAND AND NORTHERN IRON COUNTIES UNTIL 745 PM CDT...

AT 707 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MORSE...AND
MOVING NORTHEAST AT 45 MPH.

HAZARD...QUARTER SIZE HAIL.

SOURCE...TRAINED WEATHER SPOTTERS.

IMPACT...DAMAGE TO VEHICLES IS EXPECTED.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  MELLEN AROUND 715 PM CDT.
  UPSON AROUND 735 PM CDT.
  PENCE AND IRON BELT AROUND 740 PM CDT.
  GILE AND MONTREAL AROUND 745 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4623 9093 4626 9092 4656 9042 4639 9013
      4634 9010 4632 9000 4631 8997 4605 9091
TIME...MOT...LOC 0007Z 244DEG 32KT 4621 9067

HAIL...1.00IN
WIND...<50MPH

$$

GSF
233 
WWUS53 KDLH 300022
SVSDLH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
722 PM CDT SUN JUN 29 2014

WIC003-051-300045-
/O.CON.KDLH.SV.W.0021.000000T0000Z-140630T0045Z/
IRON WI-ASHLAND WI-
722 PM CDT SUN JUN 29 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
ASHLAND AND NORTHERN IRON COUNTIES UNTIL 745 PM CDT...

AT 719 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES EAST OF
MORSE...AND MOVING EAST AT 35 MPH.

HAZARD...QUARTER SIZE HAIL.

SOURCE...TRAINED WEATHER SPOTTERS.

IMPACT...DAMAGE TO VEHICLES IS EXPECTED.

THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF CENTRAL
ASHLAND AND NORTHERN IRON COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4613 9061 4629 9066 4648 9027 4639 9013
      4634 9010 4632 9000 4631 8997
TIME...MOT...LOC 0022Z 257DEG 30KT 4622 9049

HAIL...1.00IN
WIND...<50MPH

$$

GSF
906 
WWUS53 KDLH 300030
SVSDLH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
730 PM CDT SUN JUN 29 2014

WIC003-051-300045-
/O.CON.KDLH.SV.W.0021.000000T0000Z-140630T0045Z/
IRON WI-ASHLAND WI-
730 PM CDT SUN JUN 29 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
ASHLAND AND NORTHERN IRON COUNTIES UNTIL 745 PM CDT...

AT 729 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES EAST OF
MORSE...AND MOVING EAST AT 35 MPH.

HAZARD...QUARTER SIZE HAIL.

SOURCE...TRAINED WEATHER SPOTTERS.

IMPACT...DAMAGE TO VEHICLES IS EXPECTED.

THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF CENTRAL 
ASHLAND AND NORTHERN IRON COUNTIES. A SECOND SEVERE STORM WAS 
LOCATED NEAR GILE AND QUARTER SIZE HAIL WAS REPORTED AT 729 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4613 9061 4629 9066 4648 9027 4639 9013
      4634 9010 4632 9000 4631 8997
TIME...MOT...LOC 0029Z 257DEG 30KT 4623 9041

HAIL...1.00IN
WIND...<50MPH

$$

GSF
092 
WWUS53 KDLH 300046
SVSDLH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
746 PM CDT SUN JUN 29 2014

WIC003-051-300056-
/O.EXP.KDLH.SV.W.0021.000000T0000Z-140630T0045Z/
IRON WI-ASHLAND WI-
746 PM CDT SUN JUN 29 2014

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL ASHLAND AND NORTHERN
IRON COUNTIES HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

LAT...LON 4613 9061 4629 9066 4648 9027 4639 9013
      4634 9010 4632 9000 4631 8997
TIME...MOT...LOC 0030Z 257DEG 30KT 4623 9040

$$

GSF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 7:25 PM CDTSpecial Weather StatementDLHBurnett, Douglas, Washburn50 min
Jun 28, 8:23 PM CDTSpecial Weather StatementDLHWashburn37 min
Jun 28, 8:50 PM CDTSpecial Weather StatementDLHSawyer40 min
Jun 29, 11:50 AM CDTSpecial Weather StatementDLHBayfield40 min
Jun 29, 12:23 PM CDTSevere Thunderstorm WarningDLHAshland, Bayfield37 min
Jun 29, 12:32 PM CDTSpecial Weather StatementDLHDouglas28 min
Jun 29, 12:59 PM CDTSpecial Weather StatementDLHBayfield31 min
Jun 29, 1:15 PM CDTSpecial Weather StatementDLHBayfield45 min
Jun 29, 1:38 PM CDTSpecial Weather StatementDLHAshland22 min
Jun 29, 2:50 PM CDTSpecial Weather StatementDLHDouglas25 min
Jun 29, 3:40 PM CDTSpecial Weather StatementDLHDouglas35 min
Jun 29, 6:33 PM CDTSpecial Weather StatementDLHIron12 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2014Every severe thunderstorm warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.