Alert archive / Minnesota / Tornado Warnings in 2011

Tornado Warning 7, NWS Duluth, MN

May 28, 2011Lake County, Minnesota

NWS Duluth, MN issued this tornado warning at May 28, 2011, 3:00 PM CDT for Lake County, Minnesota. It was in force for 45 min. 9 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
May 28, 2011, 3:00 PM CDT (20:00 UTC)
Expired
May 28, 2011, 3:45 PM CDT
In force
45 min
Issued by
NWS Duluth, MN
Area
Storm-based polygon

County Lake County, MN

The radar

The Duluth radar (KDLH), 88 km from the middle of the area, began a volume at 20:02 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.

What was reported inside it

TimeReportWhereRemark
May 28, 3:04 PM CDTTSTM WND DMG7 Ne Wales, MNSOME TREES AND TREE LIMBS BLOWN DOWN IN AN AREA BETWEEN MARBLE LAKE AND KANE LAKE. LIKELY ASSOCIATED WITH A DOWNBURST BEFORE A TORNADO FORMED JUST EAST.
May 28, 3:07 PM CDTTORNADO 08 Ne Wales, MNTREE DAMAGE WAS NOTED ALONG A 1.9 MILE LONG PATH IN THE SUPERIOR NATIONAL FOREST ALONG FOREST ROUTE 107. THIS CONSISTED OF A FEW SNAPPED AND UPROOTED TREES...ALONG WITH BROKEN TREE LIMBS. PATH WIDTH 350 YARDS. LASTED APPROX 3 MINUTES. RATED AN EF-0 ON ENHANCED
May 28, 3:20 PM CDTTSTM WND DMG7 Wnw Silver Bay, MNSOME SPORADIC MINOR TREE DAMAGE ALONG HIGHWAY 15. SOME BROKEN TREE LIMBS AND A FEW TREES BLOWN DOWN.
May 28, 3:25 PM CDTFUNNEL CLOUD5 W Silver Bay, MNROTATING WALL CLOUD WITH BRIEF FUNNELS OR VORTICIES DIPPING OUT OF THE BASE OF THE CLOUD. NO CONTACT WITH THE GROUND HAS BEEN OBSERVED.
May 28, 3:28 PM CDTTSTM WND DMG4 Nnw Silver Bay, MNSOME TREE LIMBS BROKEN OFF NEAR LAX LAKE.
May 28, 3:28 PM CDTHAIL 15 N Silver Bay, MN
May 28, 3:32 PM CDTFUNNEL CLOUD4 N Silver Bay, MNLOW HANGING...ROTATING FUNNEL / CLOUDS OBSERVED PASSING OVER LAX LAKE ON WEST SIDE OF TETTEGOUCHE STATE PARK. TIME IS ESTIMATED.
May 28, 3:35 PM CDTFUNNEL CLOUD3 N Silver Bay, MNBETTER FUNNEL CLOSE TO THE GROUND. FROM PREVIOUS REPORT 10 MINUTES AGO.
May 28, 3:40 PM CDTHAIL 0.751 W Illgen City, MNSOME GUSTY WINDS AND HEAVY RAIN WITH THE HAIL.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 28, 2:11 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 8.0 hours before the alert went out and 199 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 12:00Z on 2011-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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, International Fa, MN at 12:00Z on 2011-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
456 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
185 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.

152 
WFUS53 KDLH 282000
TORDLH
MNC075-282045-
/O.NEW.KDLH.TO.W.0007.110528T2000Z-110528T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DULUTH MN
300 PM CDT SAT MAY 28 2011

THE NATIONAL WEATHER SERVICE IN DULUTH MN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN LAKE COUNTY IN NORTHEAST MINNESOTA...

* UNTIL 345 PM CDT

* AT 257 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 18 MILES WEST OF
  BEAVER BAY...OR 41 MILES NORTHEAST OF DULUTH...MOVING EAST AT 30
  MPH.

* THIS POSSIBLE TORNADO WILL BE NEAR...
  SILVER BAY AND BEAVER BAY BY 330 PM...
  FINLAND BY 335 PM...
  ILLGEN CITY BY 340 PM...
  LITTLE MARAIS BY 345 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF 
BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 70 MPH.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 4747 9108 4741 9110 4731 9120 4721 9134
      4725 9175 4738 9175
TIME...MOT...LOC 2000Z 262DEG 28KT 4730 9163

$$

LAMERS
4 follow-up statements
056 
WWUS53 KDLH 282011
SVSDLH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
311 PM CDT SAT MAY 28 2011

MNC075-282045-
/O.CON.KDLH.TO.W.0007.000000T0000Z-110528T2045Z/
LAKE MN-
311 PM CDT SAT MAY 28 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN LAKE COUNTY UNTIL
345 PM CDT...

AT 309 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 9 MILES NORTHEAST OF WALES...OR 44 MILES SOUTH OF
ELY...MOVING EAST AT 35 MPH.

IN ADDITION TO THE TORNADO...THIS STORM IS LIKELY PRODUCING GOLF 
BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

THIS POSSIBLE TORNADO WILL BE NEAR...
  SILVER BAY AND BEAVER BAY AROUND 330 PM CDT.
  FINLAND AROUND 335 PM CDT.
  ILLGEN CITY AROUND 340 PM CDT.
  LITTLE MARAIS AROUND 345 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4726 9167 4738 9166 4747 9108 4741 9110
      4731 9120 4721 9134
TIME...MOT...LOC 2011Z 264DEG 29KT 4730 9151

$$

LAMERS
977 
WWUS53 KDLH 282018
SVSDLH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
318 PM CDT SAT MAY 28 2011

MNC075-282045-
/O.CON.KDLH.TO.W.0007.000000T0000Z-110528T2045Z/
LAKE MN-
318 PM CDT SAT MAY 28 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL LAKE COUNTY
UNTIL 345 PM CDT...

AT 315 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 9 MILES NORTHWEST OF BEAVER BAY...OR 45 MILES
SOUTHEAST OF ELY...MOVING EAST AT 35 MPH.

AT 314 PM CDT...A TRAINED SPOTTER OBSERVED ROTATION AND A WALL CLOUD 
ABOUT 8 MILES WEST OF SILVER BAY. ROTATING WALL CLOUDS OFTEN PRECEDE 
TORNADO DEVELOPMENT. 

GOLF BALL SIZE HAIL AND DESTRUCTIVE WINDS WILL ALSO BE POSSIBLE.

THIS POSSIBLE TORNADO WILL BE NEAR...
  SILVER BAY AND BEAVER BAY AROUND 330 PM CDT.
  FINLAND AROUND 335 PM CDT.
  ILLGEN CITY AROUND 340 PM CDT.
  LITTLE MARAIS AROUND 345 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4724 9130 4728 9158 4740 9155 4747 9108
      4741 9110 4731 9120
TIME...MOT...LOC 2017Z 264DEG 29KT 4731 9145

$$

LAMERS
635 
WWUS53 KDLH 282028
SVSDLH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
328 PM CDT SAT MAY 28 2011

MNC075-282045-
/O.CON.KDLH.TO.W.0007.000000T0000Z-110528T2045Z/
LAKE MN-
328 PM CDT SAT MAY 28 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL LAKE COUNTY
UNTIL 345 PM CDT...

AT 325 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A DEVELOPING 
FUNNEL CLOUD.  A TORNADO MAY DEVELOP AT ANY TIME. THIS POSSIBLE 
TORNADO WAS LOCATED NEAR SILVER BAY...OR 47 MILES SOUTHEAST OF 
ELY...MOVING EAST AT 35 MPH.

QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS WILL ALSO BE 
POSSIBLE WITH THIS STORM.

THIS POSSIBLE TORNADO WILL BE NEAR...
  FINLAND AROUND 335 PM CDT.
  ILLGEN CITY AROUND 340 PM CDT.
  LITTLE MARAIS AROUND 345 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4726 9129 4730 9148 4742 9142 4747 9108
      4741 9110 4731 9120
TIME...MOT...LOC 2028Z 264DEG 29KT 4732 9132

$$

LAMERS
677 
WWUS53 KDLH 282044
SVSDLH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
344 PM CDT SAT MAY 28 2011

MNC075-282054-
/O.EXP.KDLH.TO.W.0007.000000T0000Z-110528T2045Z/
LAKE MN-
344 PM CDT SAT MAY 28 2011

...THE TORNADO WARNING FOR SOUTH CENTRAL LAKE COUNTY WILL EXPIRE AT
345 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA...OVER WESTERN LAKE SUPERIOR.

ADDITIONAL THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN DULUTH MN.

LAT...LON 4726 9129 4730 9148 4742 9142 4747 9108
      4741 9110 4731 9120
TIME...MOT...LOC 2044Z 264DEG 29KT 4733 9113

$$

LAMERS

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 11:30 AM CDTSpecial Weather StatementDLHKoochiching30 min
May 28, 11:57 AM CDTSevere Thunderstorm WarningDLHKoochiching48 min
May 28, 12:36 PM CDTSevere Thunderstorm WarningDLHKoochiching39 min
May 28, 12:53 PM CDTSpecial Weather StatementDLHItasca32 min
May 28, 1:21 PM CDTSpecial Weather StatementDLHKoochiching24 min
May 28, 1:24 PM CDTSpecial Weather StatementDLHKoochiching36 min
May 28, 1:33 PM CDTSevere Thunderstorm WarningDLHKoochiching33 min
May 28, 1:46 PM CDTSpecial Weather StatementDLHKoochiching29 min
May 28, 1:58 PM CDTSpecial Weather StatementDLHSaint Louis32 min
May 28, 2:04 PM CDTSpecial Weather StatementDLHSaint Louis36 min
May 28, 2:19 PM CDTSpecial Weather StatementDLHKoochiching26 min
May 28, 2:25 PM CDTSevere Thunderstorm WarningDLHLake, Saint Louis50 min
May 28, 2:46 PM CDTSevere Thunderstorm WarningDLHLake, Saint Louis44 min
May 28, 2:55 PM CDTSpecial Weather StatementDLH20 min
May 28, 3:05 PM CDTSpecial Marine WarningDLH55 min
May 28, 3:23 PM CDTSpecial Weather StatementDLHSaint Louis37 min
May 28, 3:33 PM CDTSevere Thunderstorm WarningDLHCook, Lake19 min
May 28, 3:37 PM CDTSpecial Weather StatementDLHSaint Louis23 min
May 28, 4:01 PM CDTSpecial Marine WarningDLH59 min
May 28, 4:13 PM CDTSpecial Weather StatementDLHLake47 min
May 28, 4:35 PM CDTSevere Thunderstorm WarningDLHCook, Lake25 min
May 28, 4:41 PM CDTSpecial Marine WarningDLH46 min
May 28, 5:08 PM CDTSevere Thunderstorm WarningDLHAitkin, Pine37 min
May 28, 5:36 PM CDTSevere Thunderstorm WarningDLHCarlton, Pine39 min
May 28, 5:39 PM CDTSevere Thunderstorm WarningDLHLake, Saint Louis51 min
May 28, 5:59 PM CDTSpecial Marine WarningDLH61 min
May 28, 6:03 PM CDTSevere Thunderstorm WarningDLHCarlton, Saint Louis42 min
May 28, 6:40 PM CDTSpecial Weather StatementDLHCarlton35 min

Nearby

Tornado Warnings in Minnesota, 2011Every tornado warning in 2011Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.