Alert archive / North Dakota / Tornado Warnings in 2008

Tornado Warning 20, NWS Grand Forks, ND

June 14, 2008Barnes County, Cass County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 14, 2008, 7:34 PM CDT for Barnes County, Cass County, North Dakota. It was in force for 41 min. 5 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 14, 2008, 7:34 PM CDT (00:34 UTC)
Expired
Jun 14, 2008, 8:15 PM CDT
In force
41 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon

Counties Barnes County, ND, Cass County, ND

What was reported inside it

TimeReportWhereRemark
Jun 14, 7:39 PM CDTTORNADO 02 N Tower City, NDTHIS TORNADO ORIGINATED IN BARNES COUNTY AND CONTINUED WITH INTERMITTENT TOUCHDOWNS INTO CASS COUNTY FOR ABOUT ONE MORE MILE. IT LIFTED ABOUT 2 MILES NORTH NORTHEAST OF TOWER CITY BY 740 PM CDT. PEAK WINDS ESTIMATED TO 80 MPH. MAXIMUM WIDTH TO 25 YDS.
Jun 14, 7:40 PM CDTTSTM WND GST 632 W Buffalo, NDGUSTS TO 63 MPH FOR 5 MINUTES UBTIL 745 PM CDT.
Jun 14, 7:58 PM CDTTSTM WND GST 703 Wsw Casselton, ND60 TO 70 MPH WIND.
Jun 14, 8:00 PM CDTTSTM WND GST 60Casselton, NDWELL DEFINED SHELF CLOUD WITH INDIVIDUAL LEADING EDGE ROTATION
Jun 14, 8:00 PM CDTHAIL 0.88Casselton, ND

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 14, 3:01 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 0.6 hours before the alert went out and 236 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 00:00Z on 2008-06-15Temperature 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, Aberdeen, SD at 00:00Z on 2008-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.1939587897117Sfc1 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
-65 J/kg
Mixed-layer LCL
2807 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 150034
TORFGF
NDC003-017-150115-
/O.NEW.KFGF.TO.W.0020.080615T0034Z-080615T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
734 PM CDT SAT JUN 14 2008

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL BARNES COUNTY IN SOUTHEAST NORTH DAKOTA...
  SOUTHWESTERN CASS COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 815 PM CDT

* AT 730 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES   
NORTHEAST OF VALLEY CITY...MOVING TO THE EAST AT 40 MPH. 

* THE TORNADO WILL BE NEAR...
  TOWER CITY AT 745 PM CDT...
  BUFFALO AT 750 PM CDT...
  WHEATLAND AT 800 PM CDT...
  CHAFFEE AT 805 PM CDT...

IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES
FOR A STURDY BUILDING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
SATURDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4696 9705 4665 9704 4690 9801 4707 9793
TIME...MOT...LOC 0034Z 288DEG 42KT 4696 9784

$$
DK
3 follow-up statements
000 
WWUS53 KFGF 150050
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
750 PM CDT SAT JUN 14 2008

NDC003-017-150115-
/O.CON.KFGF.TO.W.0020.000000T0000Z-080615T0115Z/
BARNES ND-CASS ND-
750 PM CDT SAT JUN 14 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR
SOUTHWESTERN CASS AND EAST CENTRAL BARNES COUNTIES IN SOUTHEAST NORTH
DAKOTA...

AT 744 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
NEAR TOWER CITY...OR 15 MILES EAST OF VALLEY CITY...MOVING TO THE
EAST AT 48 MPH.

* THE TORNADO WILL BE NEAR...
  EMBDEN AND 9 MILES SOUTH OF ABSARAKA BY 800 PM CDT...
  CHAFFEE AND WHEATLAND BY 805 PM CDT...
  7 MILES SOUTH OF CASSELTON BY 810 PM CDT...
  DURBIN AND 8 MILES NORTHWEST OF DAVENPORT BY 815 PM CDT...

  INTERSTATE 94 BETWEEN MILE MARKER 310 AROUND 750 PM CDT...
  AND MILE MARKER 325 AROUND 805 PM CDT...

IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES
FOR A STURDY BUILDING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
SATURDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4689 9776 4704 9776 4696 9705 4665 9704
TIME...MOT...LOC 0050Z 288DEG 42KT 4689 9759

$$

DK/BH
000 
WWUS53 KFGF 150103
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
803 PM CDT SAT JUN 14 2008

NDC003-150113-
/O.CAN.KFGF.TO.W.0020.000000T0000Z-080615T0115Z/
BARNES ND-
803 PM CDT SAT JUN 14 2008

...THE TORNADO WARNING FOR EAST CENTRAL BARNES COUNTY IS CANCELLED...

AT 803 PM CDT...TORNADO MOVED OUT OF THE WARNED AREA IN EAST CENTRAL 
BARNES COUNTY SO THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
SATURDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4681 9741 4699 9745 4696 9705 4665 9704
TIME...MOT...LOC 0103Z 288DEG 42KT 4683 9739

$$

NDC017-150115-
/O.CON.KFGF.TO.W.0020.000000T0000Z-080615T0115Z/
CASS ND-
803 PM CDT SAT JUN 14 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR CENTRAL
CASS COUNTY IN SOUTHEAST NORTH DAKOTA...

AT 758 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
3 MILES NORTHWEST OF EMBDEN...OR 26 MILES EAST OF VALLEY CITY...
MOVING TO THE EAST AT 48 MPH.

* THE TORNADO WILL BE ABOUT...
  8 MILES SOUTH OF CASSELTON BY 810 PM CDT...
  DURBIN AND 8 MILES NORTHWEST OF DAVENPORT BY 815 PM CDT...

IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES
FOR A STURDY BUILDING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
SATURDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4681 9741 4699 9745 4696 9705 4665 9704
TIME...MOT...LOC 0103Z 288DEG 42KT 4683 9739

$$

DK/BH
000 
WWUS53 KFGF 150111
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
811 PM CDT SAT JUN 14 2008

NDC017-150121-
/O.EXP.KFGF.TO.W.0020.000000T0000Z-080615T0115Z/
CASS ND-
811 PM CDT SAT JUN 14 2008

...THE TORNADO WARNING FOR CENTRAL CASS COUNTY IN SOUTHEAST NORTH
DAKOTA WILL EXPIRE AT 815 PM CDT...

DOPPLER RADAR INDICATED THE STORM WAS NO LONGER TORNADIC AND SO THE 
WARNING WILL BE ALLOWED TO EXPIRE AT 815 PM CDT. 

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
SATURDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4681 9741 4699 9745 4696 9705 4665 9704
TIME...MOT...LOC 0111Z 288DEG 42KT 4678 9727

$$

DK/BH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 7:01 PM CDTSevere Thunderstorm WarningFGFGrand Forks, Nelson, Ramsey, Walsh59 min
Jun 14, 7:32 PM CDTSevere Thunderstorm WarningFGFCass, Grand Forks, Richland, Traill58 min
Jun 14, 7:42 PM CDTSevere Thunderstorm WarningFGFBarnes, Cass, Grand Forks, Griggs, Nelson, Steele and 1 more33 min
Jun 14, 8:16 PM CDTTornado WarningFGFCass40 min
Jun 14, 8:24 PM CDTSevere Thunderstorm WarningFGFCass, Grand Forks, Traill36 min

Nearby

Tornado Warnings in North Dakota, 2008Every tornado warning in 2008Tornadoes in 2008

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.