Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 189, NWS Twin Cities, MN

August 4, 2016Kanabec County, Mille Lacs County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 4, 2016, 3:46 AM CDT for Kanabec County, Mille Lacs County, Minnesota. It was in force for 44 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
Aug 4, 2016, 3:46 AM CDT (08:46 UTC)
Expired
Aug 4, 2016, 4:30 AM CDT
In force
44 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Kanabec County, MN, Mille Lacs County, MN

The radar

The Duluth radar (KDLH), 121 km from the middle of the area, began a volume at 08:48 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 00:00Z, 8.8 hours before the alert went out and 139 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 00:00Z on 2016-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1240 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, Minneapolis, MN at 00:00Z on 2016-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
1240 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
1342 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted.

298 
WUUS53 KMPX 040846
SVRMPX
MNC065-095-040930-
/O.NEW.KMPX.SV.W.0189.160804T0846Z-160804T0930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
346 AM CDT THU AUG 4 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN KANABEC COUNTY IN EAST CENTRAL MINNESOTA...
  NORTHERN MILLE LACS COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 430 AM CDT

* AT 346 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER BAYVIEW...OR
  13 MILES SOUTHEAST OF MILLE LACS LAKE...MOVING EAST AT 55 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  ISLE AROUND 350 AM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE LAKE
MILLE LACS...KNIFE LAKE...BAYVIEW AND WARMAN.

THIS INCLUDES U.S. HIGHWAY 169 BETWEEN MILE MARKERS 210 AND 229.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4615 9343 4616 9306 4598 9306 4598 9314
      4585 9314 4607 9381 4624 9381 4625 9344
TIME...MOT...LOC 0846Z 277DEG 49KT 4614 9357 

HAIL...<.75IN
WIND...60MPH
 
$$

JRB
3 follow-up statements
684 
WWUS53 KMPX 040907
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
407 AM CDT THU AUG 4 2016

MNC065-095-040930-
/O.CON.KMPX.SV.W.0189.000000T0000Z-160804T0930Z/
KANABEC MN-MILLE LACS MN-
407 AM CDT THU AUG 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM CDT
FOR NORTHERN KANABEC AND NORTHEASTERN MILLE LACS COUNTIES...

AT 407 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WARMAN...OR 15
MILES NORTHWEST OF HINCKLEY...MOVING EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHERN KANABEC AND NORTHEASTERN MILLE LACS COUNTIES...INCLUDING THE
FOLLOWING LOCATIONS: KNIFE LAKE AND WARMAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4616 9306 4598 9306 4598 9314 4585 9314
      4600 9361 4625 9359 4625 9344 4615 9343
TIME...MOT...LOC 0907Z 277DEG 42KT 4610 9323 

HAIL...<.75IN
WIND...60MPH
 
$$

JRB
697 
WWUS53 KMPX 040916
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
416 AM CDT THU AUG 4 2016

MNC095-040925-
/O.CAN.KMPX.SV.W.0189.000000T0000Z-160804T0930Z/
MILLE LACS MN-
416 AM CDT THU AUG 4 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MILLE LACS COUNTY
IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA AND THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4616 9306 4598 9306 4598 9314 4585 9314
      4594 9343 4615 9343
TIME...MOT...LOC 0915Z 277DEG 49KT 4609 9306 

$$

MNC065-040930-
/O.CON.KMPX.SV.W.0189.000000T0000Z-160804T0930Z/
KANABEC MN-
416 AM CDT THU AUG 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM CDT
FOR NORTHERN KANABEC COUNTY...

AT 415 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR GRINDSTONE
LAKE PINE COUNTY...OR 7 MILES NORTHWEST OF HINCKLEY...MOVING EAST AT
55 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
QUAMBA...KNIFE LAKE...WARMAN AND MORA AIRPORT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4616 9306 4598 9306 4598 9314 4585 9314
      4594 9343 4615 9343
TIME...MOT...LOC 0915Z 277DEG 49KT 4609 9306 

HAIL...<.75IN
WIND...60MPH
 
$$

JRB
576 
WWUS53 KMPX 040926
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
426 AM CDT THU AUG 4 2016

MNC065-040935-
/O.EXP.KMPX.SV.W.0189.000000T0000Z-160804T0930Z/
KANABEC MN-
426 AM CDT THU AUG 4 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN KANABEC COUNTY WILL
EXPIRE AT 430 AM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4616 9306 4598 9306 4598 9314 4585 9314
      4594 9343 4615 9343
TIME...MOT...LOC 0924Z 277DEG 49KT 4609 9306 

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 1:37 AM CDTSpecial Weather StatementMPXDouglas, Pope, Stevens53 min
Aug 4, 2:08 AM CDTSpecial Weather StatementMPXTodd67 min
Aug 4, 2:33 AM CDTSpecial Weather StatementMPXMorrison57 min
Aug 4, 2:40 AM CDTSevere Thunderstorm WarningMPXMorrison, Todd50 min
Aug 4, 3:23 AM CDTSpecial Weather StatementMPXMille Lacs52 min
Aug 4, 5:18 AM CDTSpecial Weather StatementMPXYellow Medicine42 min
Aug 4, 5:34 AM CDTSpecial Weather StatementMPXWright41 min
Aug 4, 5:49 AM CDTSpecial Weather StatementMPXYellow Medicine56 min
Aug 4, 6:02 AM CDTSevere Thunderstorm WarningMPXHennepin, Wright28 min
Aug 4, 6:10 AM CDTSevere Thunderstorm WarningMPXBrown, Redwood, Renville, Yellow Medicine50 min
Aug 4, 6:52 AM CDTSpecial Weather StatementMPXCarver, Hennepin, Ramsey, Washington53 min
Aug 4, 7:31 AM CDTSpecial Weather StatementMPXCarver, Dakota, Hennepin, Le Sueur, Ramsey, Rice and 2 more59 min
Aug 4, 7:52 AM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Wright26 min
Aug 4, 8:18 AM CDTSpecial Weather StatementMPXAnoka27 min
Aug 4, 8:35 AM CDTSpecial Weather StatementMPXChisago25 min
Aug 4, 12:53 PM CDTSevere Thunderstorm WarningMPXSteele22 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2016Every severe thunderstorm warning in 2016

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.