Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 137, NWS Twin Cities, MN

July 7, 2016Freeborn County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 7, 2016, 3:00 AM CDT for Freeborn County, Minnesota. It was in force for 30 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
Jul 7, 2016, 3:00 AM CDT (08:00 UTC)
Expired
Jul 7, 2016, 3:30 AM CDT
In force
30 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

County Freeborn County, MN

The radar

The Minneapolis radar (KMPX), 132 km from the middle of the area, began a volume at 08:00 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
Jul 7, 3:00 AM CDTTSTM WND DMG6 Ne Myrtle, MNLARGE TREE DOWN ON FARMSTEAD. TIME ESTIMATED. .
Jul 7, 3:00 AM CDTTSTM WND DMGAlbert Lea, MNTREES AND POWER LINES DOWN IN THE CITY OF ALBERT LEA. A RECREATIONAL VEHICLE AT THE FAIRGROUNDS TOOK A HIT FROM A TREE. TIME ESTIMATED.
Jul 7, 3:10 AM CDTTSTM WND DMGAlbert Lea, MNTREES DOWN. TIME ESTIMATED.

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

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 8.0 hours before the alert went out and 133 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 2016-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2016-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
2073 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

172 
WUUS53 KMPX 070800
SVRMPX
MNC047-070830-
/O.NEW.KMPX.SV.W.0137.160707T0800Z-160707T0830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
300 AM CDT THU JUL 7 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 330 AM CDT

* AT 300 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  HAYWARD...OR 8 MILES EAST OF ALBERT LEA...MOVING EAST AT 55 MPH.

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

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  ALBERT LEA...CLARKS GROVE...GLENVILLE...GENEVA...HARTLAND...
  LONDON...HOLLANDALE...HAYWARD...TWIN LAKES...MANCHESTER...
  MYRTLE AND ALBERT LEA AIRPORT.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 35 BETWEEN MILE MARKERS 1 AND 24.
 INTERSTATE 90 BETWEEN MILE MARKERS 151 AND 173.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4350 9344 4384 9353 4385 9308 4385 9305
      4373 9305 4350 9306
TIME...MOT...LOC 0800Z 256DEG 49KT 4365 9320 

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

DWE
1 follow-up statement
860 
WWUS53 KMPX 070823
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
323 AM CDT THU JUL 7 2016

MNC047-070830-
/O.CON.KMPX.SV.W.0137.000000T0000Z-160707T0830Z/
FREEBORN MN-
323 AM CDT THU JUL 7 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT
FOR NORTHEASTERN FREEBORN COUNTY...

AT 323 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER BROOKSIDE
CAMPGROUND...OR 9 MILES NORTH OF AUSTIN...MOVING EAST AT 50 MPH.

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

SOURCE...RADAR INDICATED. 

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

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHEASTERN FREEBORN COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4378 9318 4385 9330 4385 9305 4373 9305
      4374 9312
TIME...MOT...LOC 0823Z 248DEG 43KT 4381 9304 

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

DWE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 1:51 AM CDTSpecial Weather StatementMPXBlue Earth, Brown, Faribault, Freeborn, Martin, Nicollet and 4 more54 min
Jul 7, 3:35 AM CDTSpecial Weather StatementMPXSteele, Waseca25 min
Jul 7, 3:47 AM CDTSpecial Weather StatementMPXBlue Earth, Brown, Faribault, Freeborn, Martin, Watonwan88 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.