Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 28, NWS Twin Cities, MN

June 9, 2015Anoka County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 9, 2015, 7:38 PM CDT for Anoka County, Minnesota. 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 9, 2015, 7:38 PM CDT (00:38 UTC)
Expired
Jun 9, 2015, 8:15 PM CDT
In force
37 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Anoka County, MN

The radar

The Minneapolis radar (KMPX), 53 km from the middle of the area, began a volume at 00:40 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, 0.6 hours before the alert went out and 54 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 2015-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 750 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 2015-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
750 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
2621 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
262 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.9

Open this sounding in Storm Lab

The text

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

593 
WUUS53 KMPX 100038
SVRMPX
MNC003-100115-
/O.NEW.KMPX.SV.W.0028.150610T0038Z-150610T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
738 PM CDT TUE JUN 9 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ANOKA COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 815 PM CDT

* AT 737 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER NOWTHEN...OR
  18 MILES SOUTHWEST OF CAMBRIDGE...MOVING EAST AT 45 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  ANDOVER AROUND 745 PM CDT.
  COON RAPIDS AND HAM LAKE AROUND 750 PM CDT.
  BLAINE AND LINO LAKES AROUND 800 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE CEDAR...
NOWTHEN...CENTERVILLE...OAK GROVE AND DAYTON.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 128 AND 129.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 4538 9302 4516 9303 4521 9342 4523 9349
      4525 9352 4539 9351
TIME...MOT...LOC 0037Z 279DEG 41KT 4532 9348 

HAIL...1.00IN
WIND...60MPH
 
$$

DWE
2 follow-up statements
268 
WWUS53 KMPX 100049
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
749 PM CDT TUE JUN 9 2015

MNC003-100115-
/O.CON.KMPX.SV.W.0028.000000T0000Z-150610T0115Z/
ANOKA MN-
749 PM CDT TUE JUN 9 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR CENTRAL ANOKA COUNTY...

AT 749 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER CEDAR...OR 16
MILES SOUTH OF CAMBRIDGE...MOVING EAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

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

THIS SEVERE STORM WILL BE NEAR...
  BLAINE AND LINO LAKES AROUND 800 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
CENTERVILLE...OAK GROVE AND CEDAR.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 128 AND 129.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 4538 9302 4516 9303 4521 9342 4523 9349
      4529 9347 4535 9343
TIME...MOT...LOC 0049Z 279DEG 41KT 4530 9329 

HAIL...0.88IN
WIND...60MPH
 
$$

DWE
396 
WWUS53 KMPX 100104
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
804 PM CDT TUE JUN 9 2015

MNC003-100115-
/O.CON.KMPX.SV.W.0028.000000T0000Z-150610T0115Z/
ANOKA MN-
804 PM CDT TUE JUN 9 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR EAST CENTRAL ANOKA COUNTY...

AT 804 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LINO LAKES...
OR 18 MILES NORTHEAST OF MINNEAPOLIS...MOVING EAST AT 45 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 EAST
CENTRAL ANOKA COUNTY...INCLUDING THE FOLLOWING LOCATIONS...
CENTERVILLE.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 128 AND 129.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4519 9329 4522 9327 4526 9325 4530 9320
      4531 9302 4516 9303
TIME...MOT...LOC 0104Z 290DEG 37KT 4521 9312 

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

DWE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 7:18 PM CDTSevere Thunderstorm WarningMPXSherburne, Wright27 min
Jun 9, 7:22 PM CDTSpecial Weather StatementMPXCarver23 min
Jun 9, 7:24 PM CDTSpecial Weather StatementMPXMcLeod, Sibley36 min
Jun 9, 7:47 PM CDTSpecial Weather StatementMPXHennepin28 min
Jun 9, 7:52 PM CDTSpecial Weather StatementMPXNicollet, Sibley23 min
Jun 9, 8:14 PM CDTSpecial Weather StatementMPXWashington31 min
Jun 9, 8:19 PM CDTSpecial Weather StatementMPXLe Sueur41 min
Jun 9, 8:54 PM CDTSpecial Weather StatementMPXSteele, Waseca36 min
Jun 9, 9:21 PM CDTSpecial Weather StatementMPXFreeborn, Steele, Waseca54 min
Jun 10, 1:41 PM CDTFlash Flood WatchMPXBlue Earth, Brown, Faribault, Freeborn, Goodhue, Le Sueur and 6 more23 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 2015Every severe thunderstorm warning in 2015

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.