Alert archive / Minnesota / Tornado Warnings in 2014

Tornado Warning 10, NWS Grand Forks, ND

June 20, 2014Clay County, Wilkin County, Minnesota; Richland County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 20, 2014, 3:18 PM CDT for Clay County, Wilkin County, Minnesota; Richland County, North Dakota. It was in force for 42 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 20, 2014, 3:18 PM CDT (20:18 UTC)
Expired
Jun 20, 2014, 4:00 PM CDT
In force
42 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Clay County, MN, Wilkin County, MN, Richland County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 117 km from the middle of the area, began a volume at 20:20 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, 3:21 PM CDTFUNNEL CLOUD2 Ene Christine, NDPERSISTENT FUNNEL CLOUD NEAR RED RIVER...BETWEEN CHRISTINE ND AND WOLVERTON MN
Jun 20, 3:55 PM CDTHAIL 12 Nne Lawndale, MNDIME TO QUARTER SIZED HAIL IN VERY HEAVY RAIN.

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, 8.3 hours before the alert went out and 242 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.

107 
WFUS53 KFGF 202018
TORFGF
MNC027-167-NDC077-202100-
/O.NEW.KFGF.TO.W.0010.140620T2018Z-140620T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
318 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...
  NORTHERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA...
  NORTH CENTRAL RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 400 PM CDT

* AT 316 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR WOLVERTON...AND MOVING NORTHEAST AT 25
  MPH.

  HAZARD...TORNADO.

  SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD.

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

* THIS DANGEROUS STORM WILL BE NEAR...
  BAKER AROUND 340 PM CDT.
  BARNESVILLE AROUND 350 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 4680 9631 4651 9632 4644 9677 4661 9687
TIME...MOT...LOC 2018Z 241DEG 23KT 4657 9669

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

$$

HOPKINS
2 follow-up statements
297 
WWUS53 KFGF 202032
SVSFGF

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

NDC077-202042-
/O.CAN.KFGF.TO.W.0010.000000T0000Z-140620T2100Z/
RICHLAND ND-
332 PM CDT FRI JUN 20 2014

...THE TORNADO WARNING FOR NORTH CENTRAL RICHLAND COUNTY IS
CANCELLED...

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

LAT...LON 4665 9676 4680 9631 4651 9632 4646 9665
TIME...MOT...LOC 2032Z 241DEG 23KT 4661 9658

$$

MNC027-167-202100-
/O.CON.KFGF.TO.W.0010.000000T0000Z-140620T2100Z/
CLAY MN-WILKIN MN-
332 PM CDT FRI JUN 20 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN WILKIN AND SOUTH
CENTRAL CLAY COUNTIES UNTIL 400 PM CDT...

AT 329 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 7 MILES EAST OF WOLVERTON...AND MOVING NORTHEAST AT 25
MPH.

HAZARD...TORNADO.

SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD.

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

THE DANGEROUS STORM WILL BE NEAR...
  BAKER AROUND 340 PM CDT.
  BARNESVILLE AROUND 350 PM CDT.

FOR MOTORISTS ON INTERSTATE 94...THE DANGEROUS STORM WILL BE
BETWEEN...MILE MARKER 20 AROUND 350 PM CDT...AND MILE MARKER 26
AROUND 355 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 4665 9676 4680 9631 4651 9632 4646 9665
TIME...MOT...LOC 2032Z 241DEG 23KT 4661 9658

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

$$

HOPKINS
300 
WWUS53 KFGF 202045
SVSFGF

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

MNC027-167-202100-
/O.CON.KFGF.TO.W.0010.000000T0000Z-140620T2100Z/
CLAY MN-WILKIN MN-
345 PM CDT FRI JUN 20 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL WILKIN AND
SOUTH CENTRAL CLAY COUNTIES UNTIL 400 PM CDT...

AT 342 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR BARNESVILLE...AND MOVING NORTHEAST AT 25 MPH.

HAZARD...TORNADO.

SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD.

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

THE DANGEROUS STORM WILL BE NEAR...
  BARNESVILLE AROUND 350 PM CDT.

FOR MOTORISTS ON INTERSTATE 94...THE DANGEROUS STORM WILL BE
BETWEEN...MILE MARKER 20 AROUND 350 PM CDT...AND MILE MARKER 26
AROUND 355 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 4671 9659 4680 9631 4651 9632 4648 9649
TIME...MOT...LOC 2045Z 241DEG 23KT 4665 9647

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, 3:50 PM CDTTornado WarningFGFClay, Otter Tail, Wilkin40 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, 2014Tornado Warnings in North Dakota, 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.