Alert archive / Minnesota / Tornado Warnings in 2015

Tornado Warning 34, NWS Grand Forks, ND

June 27, 2015Grant County, Otter Tail County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 27, 2015, 9:08 PM CDT for Grant County, Otter Tail County, Minnesota. It was in force for 52 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
Jun 27, 2015, 9:08 PM CDT (02:08 UTC)
Expired
Jun 27, 2015, 10:00 PM CDT
In force
52 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Grant County, MN, Otter Tail County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 196 km from the middle of the area, began a volume at 02:10 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, 9:15 PM CDTHAIL 1.252 Sw Dalton, MNLARGE HAIL AND VERY HEAVY RAIN WAS REPORTED ALONG INTERSTATE 94 BETWEEN THE DALTON AND ASHBY EXITS.
Jun 27, 9:25 PM CDTFUNNEL CLOUD3 Ne Elbow Lake, MNA PERSISTENT WALL CLOUD AND BRIEF FUNNEL WERE OBSERVED ...PHOTOGRAPHED AND REPORTED VIA SOCIAL MEDIA AS IT PASSED BETWEEN ELBOW LAKE AND ASHBY.

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

Minneapolis, MN (KMPX), launched 00:00Z, 2.1 hours before the alert went out and 226 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 2015-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 29 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 00:00Z on 2015-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
29 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1918 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

478 
WFUS53 KFGF 280208
TORFGF
MNC051-111-280300-
/O.NEW.KFGF.TO.W.0034.150628T0208Z-150628T0300Z/

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA...
  GRANT COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 1000 PM CDT
    
* AT 907 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR DALTON...OR 11 MILES SOUTH OF FERGUS
  FALLS...MOVING SOUTHEAST AT 40 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

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

* THIS DANGEROUS STORM WILL BE NEAR...
  ELBOW LAKE AND ASHBY AROUND 920 PM CDT.
  ERDAHL AROUND 925 PM CDT.
  BARRETT AROUND 930 PM CDT.
  HOFFMAN AROUND 940 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 4615 9616 4626 9592 4611 9577 4576 9576
      4576 9601
TIME...MOT...LOC 0207Z 318DEG 35KT 4612 9601 

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

$$

DK
2 follow-up statements
880 
WWUS53 KFGF 280221
SVSFGF

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

MNC111-280230-
/O.CAN.KFGF.TO.W.0034.000000T0000Z-150628T0300Z/
OTTER TAIL MN-
921 PM CDT SAT JUN 27 2015

...THE TORNADO WARNING FOR SOUTH CENTRAL OTTER TAIL COUNTY IS
CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED. 
THEREFORE THE WARNING HAS BEEN CANCELLED.

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

LAT...LON 4576 9601 4608 9605 4611 9596 4611 9577
      4576 9576
TIME...MOT...LOC 0220Z 318DEG 35KT 4602 9588 

$$

MNC051-280300-
/O.CON.KFGF.TO.W.0034.000000T0000Z-150628T0300Z/
GRANT MN-
921 PM CDT SAT JUN 27 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR EASTERN
GRANT COUNTY...
    
AT 920 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR ERDAHL...OR 20 MILES SOUTHEAST OF FERGUS FALLS...
MOVING SOUTHEAST AT 40 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

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

THIS DANGEROUS STORM WILL BE NEAR...
  ERDAHL AROUND 925 PM CDT.
  BARRETT AROUND 930 PM CDT.
  HOFFMAN AROUND 940 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 4576 9601 4608 9605 4611 9596 4611 9577
      4576 9576
TIME...MOT...LOC 0220Z 318DEG 35KT 4602 9588 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

DK
450 
WWUS53 KFGF 280258
SVSFGF

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

MNC051-280307-
/O.EXP.KFGF.TO.W.0034.000000T0000Z-150628T0300Z/
GRANT MN-
958 PM CDT SAT JUN 27 2015

...THE TORNADO WARNING FOR EASTERN GRANT COUNTY WILL EXPIRE AT 1000
PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS EXITED THE WARNED AREA. 
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4576 9601 4608 9605 4611 9596 4611 9577
      4576 9576
TIME...MOT...LOC 0256Z 318DEG 35KT 4602 9588 

$$

SPEICHER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 7:30 PM CDTSevere Thunderstorm WarningFGFClay, Wilkin30 min
Jun 27, 8:08 PM CDTTornado WarningFGFClay, Otter Tail, Wilkin52 min
Jun 27, 8:58 PM CDTSpecial Weather StatementFGFOtter Tail62 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.