Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 212, NWS Twin Cities, MN

August 18, 20164 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 18, 2016, 3:57 PM CDT for 4 counties in Minnesota. It was in force for 63 min. 2 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
Aug 18, 2016, 3:57 PM CDT (20:57 UTC)
Expired
Aug 18, 2016, 5:00 PM CDT
In force
63 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Faribault County, MN, Freeborn County, MN, Steele County, MN, Waseca County, MN

The radar

The Minneapolis radar (KMPX), 118 km from the middle of the area, began a volume at 20:57 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
Aug 18, 4:31 PM CDTTORNADOHollandale, MNDAMAGE PHOTOS FROM KAAL-TV BROADCAST METEOROLOGIST CLEARLY SHOW TORNADIC DAMAGE TO A CORN FIELD AND TREES ON THE NORTHWEST CORNER OF HWY 251 AND ZUYDER ZEE AVE. TORNADO WAS ONLY ABOUT 1/8 MILE LONG. DOWNBURST DAMAGE WAS ALSO PRESENT 1/2 MILE WEST OF HOLLANDALE
Aug 18, 4:31 PM CDTTORNADOHollandale, MNDAMAGE PHOTOS FROM KAAL-TV BROADCAST METEOROLOGIST CLEARLY SHOW TORNADIC DAMAGE TO A CORN FIELD AND TREES ON THE NORTHWEST CORNER OF HWY 251 AND ZUYDER ZEE AVE. TORNADO WAS ONLY ABOUT 1/8 MILE LONG. DOWNBURST DAMAGE WAS ALSO PRESENT 1/2 MILE WEST OF HOLLANDALE

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
Aug 18, 2:46 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.0 hours before the alert went out and 118 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 2016-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 133 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 2016-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.1939Sfc1 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
133 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
1165 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

444 
WUUS53 KMPX 182057
SVRMPX
MNC043-047-147-161-182200-
/O.NEW.KMPX.SV.W.0212.160818T2057Z-160818T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
357 PM CDT THU AUG 18 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN STEELE COUNTY IN SOUTH CENTRAL MINNESOTA...
  SOUTHERN WASECA COUNTY IN SOUTH CENTRAL MINNESOTA...
  FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTHEASTERN FARIBAULT COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 500 PM CDT

* AT 357 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WALDORF...OR
  21 MILES NORTHWEST OF ALBERT LEA...MOVING EAST AT 35 MPH.

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

  SOURCE...RADAR INDICATED. 

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

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  NEW RICHLAND AND FREEBORN AROUND 410 PM CDT. 
  HARTLAND AROUND 415 PM CDT. 
  CLARKS GROVE AND ELLENDALE AROUND 430 PM CDT. 
  GENEVA AROUND 435 PM CDT. 
  HOLLANDALE AROUND 440 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
MATAWAN... BARODA...ALBERT LEA AIRPORT...OTISCO AND MANCHESTER.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 35 BETWEEN MILE MARKERS 9 AND 29.
 INTERSTATE 90 BETWEEN MILE MARKERS 145 AND 173.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4367 9365 4378 9391 4385 9398 4385 9377
      4387 9377 4395 9370 4390 9305 4358 9305
TIME...MOT...LOC 2057Z 290DEG 29KT 4389 9366 

HAIL...0.75IN
WIND...60MPH
 
$$
3 follow-up statements
461 
WWUS53 KMPX 182120
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
420 PM CDT THU AUG 18 2016

MNC043-047-147-161-182200-
/O.CON.KMPX.SV.W.0212.000000T0000Z-160818T2200Z/
STEELE MN-WASECA MN-FREEBORN MN-FARIBAULT MN-
420 PM CDT THU AUG 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR SOUTHERN STEELE...SOUTHERN WASECA...FREEBORN AND NORTHEASTERN
FARIBAULT COUNTIES...

AT 420 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR HARTLAND...OR
12 MILES NORTH OF ALBERT LEA...MOVING EAST AT 35 MPH.

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

SOURCE...RADAR INDICATED. 

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

THIS SEVERE STORM WILL BE NEAR...
  CLARKS GROVE AND ELLENDALE AROUND 430 PM CDT. 
  GENEVA AROUND 435 PM CDT. 
  HOLLANDALE AROUND 440 PM CDT. 
  BLOOMING PRAIRIE AROUND 450 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
MATAWAN... BARODA...ALBERT LEA AIRPORT...OTISCO AND MANCHESTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4376 9387 4380 9380 4388 9373 4395 9370
      4390 9305 4358 9305 4367 9365
TIME...MOT...LOC 2120Z 283DEG 29KT 4383 9342 

HAIL...0.75IN
WIND...60MPH
 
$$
508 
WWUS53 KMPX 182135
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
435 PM CDT THU AUG 18 2016

MNC043-182145-
/O.CAN.KMPX.SV.W.0212.000000T0000Z-160818T2200Z/
FARIBAULT MN-
435 PM CDT THU AUG 18 2016

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR
SOUTH CENTRAL MINNESOTA.

LAT...LON 4375 9362 4383 9357 4393 9352 4390 9305
      4358 9305 4367 9365
TIME...MOT...LOC 2135Z 285DEG 35KT 4377 9321 

$$

MNC047-147-161-182200-
/O.CON.KMPX.SV.W.0212.000000T0000Z-160818T2200Z/
STEELE MN-WASECA MN-FREEBORN MN-
435 PM CDT THU AUG 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR SOUTHERN STEELE...SOUTHEASTERN WASECA AND FREEBORN COUNTIES...

AT 435 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
HOLLANDALE...OR 11 MILES NORTHEAST OF ALBERT LEA...MOVING EAST AT 40
MPH.

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

SOURCE...RADAR INDICATED. 

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

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTHERN STEELE...SOUTHEASTERN WASECA AND FREEBORN COUNTIES...
INCLUDING THE FOLLOWING LOCATIONS: MANCHESTER AND ALBERT LEA AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4375 9362 4383 9357 4393 9352 4390 9305
      4358 9305 4367 9365
TIME...MOT...LOC 2135Z 285DEG 35KT 4377 9321 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$
069 
WWUS53 KMPX 182147
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
447 PM CDT THU AUG 18 2016

MNC161-182157-
/O.CAN.KMPX.SV.W.0212.000000T0000Z-160818T2200Z/
WASECA MN-
447 PM CDT THU AUG 18 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WASECA COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA... THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR
SOUTH CENTRAL MINNESOTA.

LAT...LON 4385 9340 4392 9331 4390 9305 4358 9305
      4366 9359
TIME...MOT...LOC 2147Z 296DEG 32KT 4367 9311 

$$

MNC047-147-182200-
/O.CON.KMPX.SV.W.0212.000000T0000Z-160818T2200Z/
STEELE MN-FREEBORN MN-
447 PM CDT THU AUG 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR SOUTHEASTERN STEELE AND NORTHERN FREEBORN COUNTIES...

AT 447 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR I 90 EXIT
175... OR 7 MILES WEST OF AUSTIN...MOVING SOUTHEAST AT 35 MPH.

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

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
ALBERT LEA...BLOOMING PRAIRIE...CLARKS GROVE...ELLENDALE...ALDEN...
GENEVA...HOLLANDALE...HAYWARD...MANCHESTER AND ALBERT LEA AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4385 9340 4392 9331 4390 9305 4358 9305
      4366 9359
TIME...MOT...LOC 2147Z 296DEG 32KT 4367 9311 

HAIL...0.75IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 10:25 AM CDTRiver Flood WarningMPXHennepin, Wright7 days
Aug 18, 1:18 PM CDTSpecial Weather StatementMPXRedwood57 min
Aug 18, 1:43 PM CDTSevere Thunderstorm WarningMPXRedwood47 min
Aug 18, 1:56 PM CDTSevere Thunderstorm WarningMPXBrown, Redwood34 min
Aug 18, 2:06 PM CDTSpecial Weather StatementMPXRenville39 min
Aug 18, 2:18 PM CDTSevere Thunderstorm WarningMPXBrown, Nicollet, Redwood57 min
Aug 18, 2:26 PM CDTSpecial Weather StatementMPXBrown49 min
Aug 18, 2:59 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet61 min
Aug 18, 3:02 PM CDTSpecial Weather StatementMPXRice58 min
Aug 18, 3:41 PM CDTSpecial Weather StatementMPXSteele, Waseca64 min
Aug 18, 3:47 PM CDTSpecial Weather StatementMPXFreeborn58 min
Aug 18, 4:09 PM CDTSevere Thunderstorm WarningMPXSteele, Waseca36 min
Aug 18, 4:45 PM CDTSevere Thunderstorm WarningMPXFreeborn30 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.