Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 3, NWS Twin Cities, MN

March 6, 2017Benton County, Morrison County, Stearns County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Mar 6, 2017, 4:28 PM CST for Benton County, Morrison County, Stearns County, Minnesota. It was in force for 47 min. 7 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
Mar 6, 2017, 4:28 PM CST (22:28 UTC)
Expired
Mar 6, 2017, 5:15 PM CST
In force
47 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Benton County, MN, Morrison County, MN, Stearns County, MN

The radar

The Minneapolis radar (KMPX), 118 km from the middle of the area, began a volume at 22:29 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
Mar 6, 4:30 PM CSTHAIL 0.882 W Rice, MN.
Mar 6, 4:35 PM CSTHAIL 0.5Rice, MN.
Mar 6, 4:35 PM CSTHAIL 1Rice, MN.
Mar 6, 4:43 PM CSTHAIL 1Royalton, MN.
Mar 6, 4:45 PM CSTHAIL 0.752 W Rice, MN.
Mar 6, 4:52 PM CSTHAIL 1Pierz, MN.
Mar 6, 5:06 PM CSTTSTM WND GST 62Pierz, MN.

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
Mar 6, 2:43 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.5 hours before the alert went out and 117 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 2017-03-06Temperature 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 12:00Z on 2017-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 401 square meters per square second.19395878Sfc1 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
622 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
401 m²/s²
0-3 km storm-relative helicity
365 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

101 
WUUS53 KMPX 062228
SVRMPX
MNC009-097-145-062315-
/O.NEW.KMPX.SV.W.0003.170306T2228Z-170306T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
428 PM CST MON MAR 6 2017

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northwestern Benton County in central Minnesota...
  Northeastern Stearns County in central Minnesota...
  Southeastern Morrison County in central Minnesota...

* Until 515 PM CST

* At 428 PM CST, a severe thunderstorm was located over Rice, or 14
  miles north of St. Cloud, moving northeast at 35 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,
  Pierz around 455 PM CST. 
  Lastrup around 500 PM CST. 

Other locations impacted by this severe thunderstorm include Buckman,
Opole, St. Stephen, Little Rock and Genola.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 1000 PM CST for central
Minnesota.

LAT...LON 4565 9421 4574 9443 4610 9418 4596 9386
TIME...MOT...LOC 2228Z 216DEG 32KT 4577 9426 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$
3 follow-up statements
246 
WWUS53 KMPX 062247
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
447 PM CST MON MAR 6 2017

MNC145-062257-
/O.CAN.KMPX.SV.W.0003.000000T0000Z-170306T2315Z/
Stearns MN-
447 PM CST MON MAR 6 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN STEARNS COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 1000 PM CST for central
Minnesota.

LAT...LON 4596 9386 4568 9418 4568 9420 4571 9423
      4572 9422 4573 9426 4581 9431 4607 9412
TIME...MOT...LOC 2247Z 216DEG 32KT 4591 9412 

$$

MNC009-097-062315-
/O.CON.KMPX.SV.W.0003.000000T0000Z-170306T2315Z/
Benton MN-Morrison MN-
447 PM CST MON MAR 6 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CST
FOR NORTHWESTERN BENTON AND SOUTHEASTERN MORRISON COUNTIES...

At 447 PM CST, a severe thunderstorm was located over Buckman, or 12
miles southeast of Little Falls, moving northeast at 35 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 storm will be near...
  Pierz around 455 PM CST. 
  Lastrup around 500 PM CST. 

Other locations impacted by this severe thunderstorm include Little
Rock, Buckman and Genola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 1000 PM CST for central
Minnesota.

LAT...LON 4596 9386 4568 9418 4568 9420 4571 9423
      4572 9422 4573 9426 4581 9431 4607 9412
TIME...MOT...LOC 2247Z 216DEG 32KT 4591 9412 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$
670 
WWUS53 KMPX 062259
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
459 PM CST MON MAR 6 2017

MNC009-062309-
/O.CAN.KMPX.SV.W.0003.000000T0000Z-170306T2315Z/
Benton MN-
459 PM CST MON MAR 6 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BENTON COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 1000 PM CST for central
Minnesota.

LAT...LON 4596 9386 4582 9402 4588 9426 4607 9412
TIME...MOT...LOC 2259Z 218DEG 32KT 4598 9401 

$$

MNC097-062315-
/O.CON.KMPX.SV.W.0003.000000T0000Z-170306T2315Z/
Morrison MN-
459 PM CST MON MAR 6 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CST
FOR SOUTHEASTERN MORRISON COUNTY...

At 459 PM CST, a severe thunderstorm was located near Pierz, or 16
miles east of Little Falls, moving northeast at 35 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
southeastern Morrison County, including the following locations:
Buckman and Genola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 1000 PM CST for central
Minnesota.

LAT...LON 4596 9386 4582 9402 4588 9426 4607 9412
TIME...MOT...LOC 2259Z 218DEG 32KT 4598 9401 

TORNADO...POSSIBLE
HAIL...0.88IN
WIND...60MPH
 
$$
738 
WWUS53 KMPX 062307
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
507 PM CST MON MAR 6 2017

MNC097-062317-
/O.EXP.KMPX.SV.W.0003.000000T0000Z-170306T2315Z/
Morrison MN-
507 PM CST MON MAR 6 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MORRISON COUNTY
WILL EXPIRE AT 515 PM CST...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

A tornado watch remains in effect until 1000 PM CST for central
Minnesota.

LAT...LON 4596 9386 4582 9402 4588 9426 4607 9412
TIME...MOT...LOC 2307Z 216DEG 32KT 4603 9396 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 4:04 AM CSTWind AdvisoryMPXAnoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more60 hr
Mar 6, 3:47 PM CSTSevere Thunderstorm WarningMPXRedwood, Renville, Sibley43 min
Mar 6, 4:10 PM CSTSevere Thunderstorm WarningMPXBlue Earth, Brown, Watonwan35 min
Mar 6, 4:32 PM CSTSevere Thunderstorm WarningMPXFaribault, Martin43 min
Mar 6, 4:41 PM CSTSevere Thunderstorm WarningMPXMcLeod, Meeker, Wright34 min
Mar 6, 4:50 PM CSTTornado WarningMPXWright25 min
Mar 6, 4:54 PM CSTSevere Thunderstorm WarningMPXFaribault, Freeborn21 min
Mar 6, 5:09 PM CSTSevere Thunderstorm WarningMPXBlue Earth, Faribault, Freeborn, Steele, Waseca36 min
Mar 6, 5:11 PM CSTSevere Thunderstorm WarningMPXSherburne, Wright34 min
Mar 6, 5:26 PM CSTTornado WarningMPXSherburne, Wright20 min
Mar 6, 5:42 PM CSTSevere Thunderstorm WarningMPXFreeborn, Steele, Waseca33 min
Mar 6, 5:44 PM CSTTornado WarningMPXIsanti, Mille Lacs, Sherburne31 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2017Every severe thunderstorm warning in 2017

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.