Alert archive / Minnesota / Tornado Warnings in 2014

Tornado Warning 11, NWS Grand Forks, ND

June 20, 2014Clay County, Otter Tail County, Wilkin County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 20, 2014, 3:50 PM CDT for Clay County, Otter Tail County, Wilkin County, Minnesota. It was in force for 40 min. 6 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 20, 2014, 3:50 PM CDT (20:50 UTC)
Expired
Jun 20, 2014, 4:30 PM CDT
In force
40 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Clay County, MN, Otter Tail County, MN, Wilkin County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 136 km from the middle of the area, began a volume at 20:51 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 20, 3:55 PM CDTHAIL 12 Nne Lawndale, MNDIME TO QUARTER SIZED HAIL IN VERY HEAVY RAIN.
Jun 20, 4:10 PM CDTFUNNEL CLOUD2 Ne Rothsay, MNPERSISTENT WALL CLOUD WITH POSSIBLE FUNNEL LOWERING.
Jun 20, 4:15 PM CDTHAIL 1.75Pelican Rapids, MNIN TOWN OF PELICAN RAPIDS. VIA FACEBOOK.
Jun 20, 4:19 PM CDTHAIL 0.75Pelican Rapids, MNDIME TO PENNY HAIL FALLING IN PELICAN RAPIDS.
Jun 20, 4:21 PM CDTFUNNEL CLOUD3 Ssw Pelican Rapids, MNROTATION INCREASING. FUNNEL EVIDENT.
Jun 20, 4:30 PM CDTFUNNEL CLOUDErhard, MNROTATION EVIDENT NEAR ERHARD AS VIEWED FROM WEST OF TOWN.

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 20, 3:18 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 8.8 hours before the alert went out and 261 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, Aberdeen, SD at 12:00Z on 2014-06-20Temperature 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, Aberdeen, SD at 12:00Z on 2014-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.1939587897Sfc1 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
2411 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
129 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.

133 
WFUS53 KFGF 202050
TORFGF
MNC027-111-167-202130-
/O.NEW.KFGF.TO.W.0011.140620T2050Z-140620T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
350 PM CDT FRI JUN 20 2014

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN CLAY COUNTY IN NORTHWEST MINNESOTA...
  NORTHWESTERN OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA...
  NORTHEASTERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 430 PM CDT

* AT 346 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR LAWNDALE...AND MOVING EAST AT 35 MPH.

  HAZARD...TORNADO.

  SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD.

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

* THIS DANGEROUS STORM WILL BE NEAR...
  PELICAN RAPIDS AROUND 410 PM CDT.
  DUNVILLA AROUND 415 PM CDT.
  LAKE LIDA AND MAPLEWOOD STATE PARK AROUND 420 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 IN GRAND
FORKS.

&&

LAT...LON 4672 9603 4671 9587 4645 9587 4649 9646
      4666 9648
TIME...MOT...LOC 2049Z 258DEG 32KT 4657 9636

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

$$

HOPKINS
1 follow-up statement
362 
WWUS53 KFGF 202118
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
418 PM CDT FRI JUN 20 2014

MNC027-167-202127-
/O.CAN.KFGF.TO.W.0011.000000T0000Z-140620T2130Z/
CLAY MN-WILKIN MN-
418 PM CDT FRI JUN 20 2014

...THE TORNADO WARNING FOR NORTHEASTERN WILKIN AND SOUTHEASTERN CLAY
COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4649 9628 4663 9628 4663 9616 4667 9614
      4671 9587 4645 9587
TIME...MOT...LOC 2117Z 258DEG 32KT 4659 9614

$$

MNC111-202130-
/O.CON.KFGF.TO.W.0011.000000T0000Z-140620T2130Z/
OTTER TAIL MN-
418 PM CDT FRI JUN 20 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN OTTER TAIL
COUNTY UNTIL 430 PM CDT...

AT 412 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED 5 MILES WEST OF PELICAN RAPIDS...AND MOVING EAST AT 35 
MPH.

HAZARD...TORNADO.

SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD.

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

THE DANGEROUS STORM WILL BE NEAR...
  LAKE LIDA AND DUNVILLA AROUND 425 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE MAPLEWOOD STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4649 9628 4663 9628 4663 9616 4667 9614
      4671 9587 4645 9587
TIME...MOT...LOC 2117Z 258DEG 32KT 4659 9614

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

$$

HOPKINS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 3:18 PM CDTTornado WarningFGFClay, Wilkin42 min
Jun 20, 4:27 PM CDTTornado WarningFGFOtter Tail48 min
Jun 20, 4:50 PM CDTSevere Thunderstorm WarningFGFRoseau55 min
Jun 20, 5:10 PM CDTTornado WarningFGFOtter Tail50 min
Jun 20, 5:40 PM CDTSevere Thunderstorm WarningFGFOtter Tail, Wadena65 min

Nearby

Tornado Warnings in Minnesota, 2014Every tornado warning in 2014Tornadoes in 2014

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.