Alert archive / Minnesota / Tornado Warnings in 2017

Tornado Warning 16, NWS Twin Cities, MN

June 13, 2017Chippewa County, Swift County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 13, 2017, 5:45 PM CDT for Chippewa County, Swift County, Minnesota. It was in force for 45 min. 1 report 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 13, 2017, 5:45 PM CDT (22:45 UTC)
Expired
Jun 13, 2017, 6:30 PM CDT
In force
45 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.5 in

Counties Chippewa County, MN, Swift County, MN

The radar

The Minneapolis radar (KMPX), 188 km from the middle of the area, began a volume at 22:46 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 13, 6:22 PM CDTFUNNEL CLOUD1 N Holloway, MNPICTURE SUBMITTED VIA TWITTER.

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 12:00Z, 10.8 hours before the alert went out and 185 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 2017-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 900 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 2017-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 165 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
900 J/kg
Mixed-layer CIN
-194 J/kg
Mixed-layer LCL
780 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
165 m²/s²
0-3 km storm-relative helicity
193 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

754 
WFUS53 KMPX 132245
TORMPX
MNC023-151-132330-
/O.NEW.KMPX.TO.W.0016.170613T2245Z-170613T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
545 PM CDT TUE JUN 13 2017

The National Weather Service in The Twin Cities has issued a

* Tornado Warning for...
  Northwestern Chippewa County in west central Minnesota...
  Southwestern Swift County in west central Minnesota...

* Until 630 PM CDT
    
* At 545 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Milan, or 14 miles northwest of Montevideo, moving
  north at 25 mph.

  HAZARD...Tornado and ping pong ball size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This tornadic thunderstorm will remain over mainly rural areas of
  northwestern Chippewa and southwestern Swift Counties, including
  the following locations: Benson Airport, Danvers, Hagen and
  Holloway.

This includes the following highways...
 U.S. Highway 12 between mile markers 24 and 40.
 U.S. Highway 59 between mile markers 138 and 148.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4534 9600 4533 9562 4506 9586 4508 9595
      4510 9598
TIME...MOT...LOC 2245Z 191DEG 24KT 4509 9592 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

BORGHOFF
2 follow-up statements
197 
WWUS53 KMPX 132300
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
600 PM CDT TUE JUN 13 2017

MNC023-132310-
/O.CAN.KMPX.TO.W.0016.000000T0000Z-170613T2330Z/
Chippewa MN-
600 PM CDT TUE JUN 13 2017

...THE TORNADO WARNING FOR NORTHWESTERN CHIPPEWA COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 4534 9597 4534 9573 4533 9569 4515 9586
      4515 9596
TIME...MOT...LOC 2300Z 191DEG 24KT 4519 9589 

$$

MNC151-132330-
/O.CON.KMPX.TO.W.0016.000000T0000Z-170613T2330Z/
Swift MN-
600 PM CDT TUE JUN 13 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
SOUTHWESTERN SWIFT COUNTY...
    
At 600 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Holloway, or 18 miles northwest of Montevideo,
moving north at 30 mph.

HAZARD...Tornado and ping pong ball size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This tornadic thunderstorm will remain over mainly rural areas of
southwestern Swift County, including the following locations: Danvers
and Holloway.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4534 9597 4534 9573 4533 9569 4515 9586
      4515 9596
TIME...MOT...LOC 2300Z 191DEG 24KT 4519 9589 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

BORGHOFF
388 
WWUS53 KMPX 132308
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
608 PM CDT TUE JUN 13 2017

MNC151-132330-
/O.CON.KMPX.TO.W.0016.000000T0000Z-170613T2330Z/
Swift MN-
608 PM CDT TUE JUN 13 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
SOUTHWESTERN SWIFT COUNTY...
    
At 607 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Holloway, or 21 miles north of Montevideo, moving
north at 30 mph.

HAZARD...Tornado and baseball size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This tornadic thunderstorm will remain over mainly rural areas of
southwestern Swift County, including the following locations: Danvers
and Holloway.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4534 9595 4534 9573 4533 9569 4519 9585
      4520 9594
TIME...MOT...LOC 2307Z 191DEG 24KT 4524 9588 

TORNADO...RADAR INDICATED
HAIL...2.75IN

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 6:51 AM CDTSevere Thunderstorm WarningMPXStevens24 min
Jun 13, 7:15 AM CDTSevere Thunderstorm WarningMPXDouglas, Pope, Stevens60 min
Jun 13, 8:15 AM CDTSpecial Weather StatementMPXDouglas, Pope60 min
Jun 13, 8:51 AM CDTSpecial Weather StatementMPXTodd24 min
Jun 13, 9:20 AM CDTSpecial Weather StatementMPXMorrison25 min
Jun 13, 10:19 AM CDTSpecial Weather StatementMPXStearns86 min
Jun 13, 5:07 PM CDTSpecial Weather StatementMPXLac qui Parle38 min
Jun 13, 5:16 PM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle, Swift44 min
Jun 13, 6:18 PM CDTTornado WarningMPXPope, Stevens, Swift57 min
Jun 13, 6:52 PM CDTTornado WarningMPXStevens38 min
Jun 13, 6:59 PM CDTTornado Warning Tornado observedMPXDouglas, Pope, Stevens32 min

Nearby

Tornado Warnings in Minnesota, 2017Every tornado warning in 2017Tornadoes 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.