Alert archive / Minnesota / Tornado Warnings in 2015

Tornado Warning 24, NWS Grand Forks, ND

June 27, 2015Marshall County, Polk County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 27, 2015, 6:04 PM CDT for Marshall County, Polk County, Minnesota. It was in force for 41 min. 4 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 27, 2015, 6:04 PM CDT (23:04 UTC)
Expired
Jun 27, 2015, 6:45 PM CDT
In force
41 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Marshall County, MN, Polk County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 81 km from the middle of the area, began a volume at 23:06 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 27, 6:11 PM CDTHAIL 1.752 S March, MNRELAYED VIA SOCIAL MEDIA
Jun 27, 6:35 PM CDTFUNNEL CLOUD2 Wsw Angus, MNPERSISTENT WALL CLOUD AND FUNNEL WERE VIEWED FROM THE SHERACK AREA. REPORT AND PHOTO POSTED VIA SOCIAL MEDIA. TIME APPROXIMATED BASED ON RADAR.
Jun 27, 6:35 PM CDTFUNNEL CLOUD2 Wsw Angus, MNPERSISTENT WALL CLOUD AND FUNNEL WERE VIEWED FROM THE SHERACK AREA. REPORT AND PHOTO POSTED VIA SOCIAL MEDIA.. TIME APPROXIMATED BASED ON RADAR.
Jun 27, 6:37 PM CDTHAIL 1Angus, MNHAIL COVERED THE GROUND.

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 27, 2:42 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 11.1 hours before the alert went out and 264 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, International Fa, MN at 12:00Z on 2015-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 90 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, International Fa, MN at 12:00Z on 2015-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
90 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
1586 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
39 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.

830 
WFUS53 KFGF 272304
TORFGF
MNC089-119-272345-
/O.NEW.KFGF.TO.W.0024.150627T2304Z-150627T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
604 PM CDT SAT JUN 27 2015

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN MARSHALL COUNTY IN NORTHWESTERN MINNESOTA...
  NORTH CENTRAL POLK COUNTY IN NORTHWESTERN MINNESOTA...

* UNTIL 645 PM CDT
    
* AT 603 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER MARCH...OR 23 MILES NORTH OF GRAND
  FORKS...MOVING SOUTHEAST AT 15 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS AND VEHICLES. 

* THIS DANGEROUS STORM WILL BE NEAR...
  WARREN AROUND 625 PM CDT.
  ANGUS AND RADIUM AROUND 645 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
GRAND FORKS.

&&

LAT...LON 4814 9701 4830 9697 4830 9657 4801 9659
TIME...MOT...LOC 2303Z 298DEG 14KT 4823 9688 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

JK
2 follow-up statements
237 
WWUS53 KFGF 272329
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
629 PM CDT SAT JUN 27 2015

MNC089-272338-
/O.CAN.KFGF.TO.W.0024.000000T0000Z-150627T2345Z/
MARSHALL MN-
629 PM CDT SAT JUN 27 2015

...THE TORNADO WARNING FOR SOUTHWESTERN MARSHALL COUNTY IS
CANCELLED...
    
THE TORNADIC 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 CDT FOR NORTHWESTERN
MINNESOTA.

LAT...LON 4811 9691 4817 9688 4817 9658 4801 9659
TIME...MOT...LOC 2328Z 311DEG 25KT 4810 9676 

$$

MNC119-272345-
/O.CON.KFGF.TO.W.0024.000000T0000Z-150627T2345Z/
POLK MN-
629 PM CDT SAT JUN 27 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR NORTH
CENTRAL POLK COUNTY...
    
AT 628 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR ANGUS...OR 18 MILES NORTHEAST OF GRAND FORKS...
MOVING SOUTHEAST AT 30 MPH.

HAZARD...TORNADO AND GOLF 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 DANGEROUS STORM WILL BE NEAR...
  ANGUS AROUND 635 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.

&&

LAT...LON 4811 9691 4817 9688 4817 9658 4801 9659
TIME...MOT...LOC 2328Z 311DEG 25KT 4810 9676 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$
JK
364 
WWUS53 KFGF 272342
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
642 PM CDT SAT JUN 27 2015

MNC119-272351-
/O.EXP.KFGF.TO.W.0024.000000T0000Z-150627T2345Z/
POLK MN-
642 PM CDT SAT JUN 27 2015

...THE TORNADO WARNING FOR NORTH CENTRAL POLK COUNTY WILL EXPIRE AT
645 PM CDT...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED. 
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL 
AND GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTHWESTERN
MINNESOTA.

LAT...LON 4811 9691 4817 9688 4817 9658 4801 9659
TIME...MOT...LOC 2339Z 298DEG 14KT 4810 9676 

$$

JK

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 27, 2:30 PM CDTSpecial Weather StatementFGFLake of the Woods30 min

Nearby

Tornado Warnings in Minnesota, 2015Every tornado warning in 2015Tornadoes in 2015

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.