Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 37, NWS Twin Cities, MN

June 16, 2014Blue Earth County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 16, 2014, 5:31 PM CDT for Blue Earth County, Minnesota. It was in force for 44 min. 12 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 16, 2014, 5:31 PM CDT (22:31 UTC)
Expired
Jun 16, 2014, 6:15 PM CDT
In force
44 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

County Blue Earth County, MN

The radar

The Minneapolis radar (KMPX), 89 km from the middle of the area, began a volume at 22:32 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 16, 5:35 PM CDTTSTM WND DMG3 N Mapleton, MNLARGE TREE DOWN OVER HIGHWAY 22.
Jun 16, 5:35 PM CDTTSTM WND DMG3 N Mapleton, MNLARGE TREE DOWN OVER HIGHWAY 22. OCCURRED IN BEAUFORD TOWNSHIP.
Jun 16, 5:35 PM CDTTSTM WND DMG3 Se Mapleton, MNNUMEROUS TREES AND POWERLINES DOWN ALONG ROUTES 22 AND 30. TREES IN EXCESS OF 12-14 INCHES IN DIAMETER DOWNED.
Jun 16, 5:35 PM CDTTSTM WND DMGMapleton, MNLARGE GRAIN BINS BLOWN OVER. MORE THEN LIKELY EMPTY. TREES DOWN.
Jun 16, 5:40 PM CDTTSTM WND DMGGarden City, MNLARGE TREE DOWN IN TOWN.
Jun 16, 5:40 PM CDTTSTM WND GST 753 Nw Mapleton, MNLARGE TREE BRANCHES DOWN.
Jun 16, 5:44 PM CDTTSTM WND DMG2 Ese Skyline, MN10 INCH TREE BRANCH DOWN
Jun 16, 5:44 PM CDTTSTM WND GST 75Mapleton, MNEXTENSIVE TREE DAMAGE THROUGHOUT MAPLETON. NO STRUCTURAL DAMAGE FOUND.
Jun 16, 5:50 PM CDTTSTM WND GST 905 N Mapleton, MNWOODEN ELECTRICAL POLES LEANING. TREES UPROOTED. TREE AND SOME POWER LINE DAMAGE FROM MAPLETON NORTH ALONG HIGHWAY 22 TO 179TH STREET.
Jun 16, 5:50 PM CDTTSTM WND GST 1004 Nnw Minnesota Lake, MNHALF OF A METAL BUILDING SYSTEM WAS NEARLY DESTROYED. METAL WALL AND ROOF PANELS PEELED FROM THE BUILDING WITH NEAR COLLAPSE OF THE NORTH SIDE. EMPTY GRAIN BINS BENT AND NEARLY TIPPED OVER.
Jun 16, 5:57 PM CDTTSTM WND DMGVernon Center, MN10 INCH TREE BRANCH DOWN
Jun 16, 6:00 PM CDTTSTM WND DMG1 N Vernon Center, MN3 TO 6 INCH TREE BRANCHES

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
Jun 16, 12:25 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.5 hours before the alert went out and 88 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 12:00Z on 2014-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 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 12:00Z on 2014-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 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
15 J/kg
Mixed-layer CIN
-158 J/kg
Mixed-layer LCL
1817 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
264 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.

705 
WUUS53 KMPX 162231
SVRMPX
MNC013-162315-
/O.NEW.KMPX.SV.W.0037.140616T2231Z-140616T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
531 PM CDT MON JUN 16 2014

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 615 PM CDT

* AT 528 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE     
  EXTENDING FROM MINNEOPA STATE PARK TO 16 MILES NORTH OF BLUE       
  EARTH...AND MOVING EAST AT 20 MPH.

  HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE
           TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
           ROOFS AND OUTBUILDINGS.

* LOCATIONS IMPACTED INCLUDE...
  MANKATO...SKYLINE...MAPLETON...MANKATO AIRPORT...EAGLE LAKE...ST
  CLAIR...PEMBERTON AND MADISON LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT
IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE
TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT
OR SMALL INTERIOR ROOM.

&&

LAT...LON 4419 9428 4420 9415 4415 9404 4417 9403
      4417 9400 4419 9402 4421 9402 4424 9377
      4386 9378 4385 9424
TIME...MOT...LOC 2231Z 274DEG 19KT 4418 9408 4402 9403
          4386 9410

HAIL...1.00IN
WIND...70MPH

$$

LRS
1 follow-up statement
729 
WWUS53 KMPX 162250
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
550 PM CDT MON JUN 16 2014

MNC013-162315-
/O.CON.KMPX.SV.W.0037.000000T0000Z-140616T2315Z/
BLUE EARTH MN-
550 PM CDT MON JUN 16 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN BLUE
EARTH COUNTY UNTIL 615 PM CDT...

AT 545 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM MANKATO TO 16 MILES NORTH OF BLUE EARTH...AND MOVING 
EAST AT 20 MPH.

HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE
         TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
         ROOFS AND OUTBUILDINGS.

LOCATIONS IMPACTED INCLUDE...
MANKATO AIRPORT...EAGLE LAKE...ST CLAIR...PEMBERTON AND MADISON LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT
IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE
TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT
OR SMALL INTERIOR ROOM.

&&

LAT...LON 4420 9414 4415 9404 4417 9403 4417 9400
      4421 9402 4424 9377 4386 9378 4385 9411
      4386 9414
TIME...MOT...LOC 2250Z 274DEG 19KT 4417 9394 4401 9389
          4385 9396

HAIL...1.00IN
WIND...70MPH

$$

LRS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 10:50 AM CDTRiver Flood WarningMPXBrown7 days
Jun 16, 10:50 AM CDTRiver Flood WarningMPXChippewa, Lac qui Parle, Yellow Medicine24 days
Jun 16, 11:08 AM CDTFlash Flood WatchMPXBlue Earth, Brown, Faribault, Freeborn, Goodhue, Le Sueur and 10 more13 hr
Jun 16, 1:07 PM CDTSpecial Weather StatementMPXChippewa, Lac qui Parle, Swift, Yellow Medicine53 min
Jun 16, 2:10 PM CDTSpecial Weather StatementMPXLac qui Parle65 min
Jun 16, 2:21 PM CDTSpecial Weather StatementMPXChippewa, Lac qui Parle, Swift54 min
Jun 16, 2:51 PM CDTAreal Flood WarningMPXChippewa, Kandiyohi, Lac qui Parle, Renville, Swift, Yellow Medicine3 hr
Jun 16, 3:14 PM CDTAreal Flood WarningMPXBrown, Nicollet, Redwood, Renville, Sibley3 hr
Jun 16, 3:31 PM CDTSpecial Weather StatementMPXMartin44 min
Jun 16, 3:43 PM CDTAreal Flood WarningMPXBlue Earth, Faribault, Martin, Watonwan3 hr
Jun 16, 3:46 PM CDTSevere Thunderstorm WarningMPXMartin, Watonwan44 min
Jun 16, 4:08 PM CDTTornado WarningMPXMartin37 min
Jun 16, 4:19 PM CDTHigh Wind WarningMPXAnoka, Brown, Carver, Chippewa, Chisago, Dakota and 23 more9 hr
Jun 16, 4:23 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Watonwan52 min
Jun 16, 4:33 PM CDTFlash Flood WarningMPXMartin, Watonwan3 hr
Jun 16, 4:34 PM CDTSevere Thunderstorm WarningMPXMartin56 min
Jun 16, 5:00 PM CDTAreal Flood WarningMPXFreeborn, Steele, Waseca4 hr
Jun 16, 5:14 PM CDTTornado WarningMPXMartin31 min
Jun 16, 5:17 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Watonwan58 min
Jun 16, 5:28 PM CDTSevere Thunderstorm WarningMPXFaribault, Martin62 min
Jun 16, 5:31 PM CDTFlash Flood WarningMPXBlue Earth, Watonwan3 hr
Jun 16, 5:39 PM CDTTornado WarningMPXBlue Earth36 min
Jun 16, 5:56 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice, Waseca49 min
Jun 16, 6:02 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn58 min
Jun 16, 6:07 PM CDTFlash Flood WarningMPXBlue Earth, Le Sueur, Rice, Waseca3 hr
Jun 16, 6:20 PM CDTSevere Thunderstorm WarningMPXSteele40 min
Jun 16, 6:42 PM CDTFlash Flood WarningMPXBlue Earth, Faribault, Freeborn, Steele, Waseca3 hr
Jun 16, 6:59 PM CDTSevere Thunderstorm WarningMPXFreeborn31 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 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.