Alert archive / North Dakota / Tornado Warnings in 2008

Tornado Warning 22, NWS Grand Forks, ND

June 23, 2008Benson County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 23, 2008, 8:13 PM CDT for Benson County, North Dakota. It was in force for 62 min. 7 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 23, 2008, 8:13 PM CDT (01:13 UTC)
Expired
Jun 23, 2008, 9:15 PM CDT
In force
62 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon

County Benson County, ND

What was reported inside it

TimeReportWhereRemark
Jun 23, 8:25 PM CDTHAIL 13 Nw Esmond, ND
Jun 23, 8:35 PM CDTHAIL 0.756 N Maddock, ND
Jun 23, 8:35 PM CDTHAIL 1.75Esmond, NDSEVERAL SECTIONS OF CROP LAND RECEIVED DAMAGE IN ESMOND AND RICH VALLEY TOWNSHIPS.
Jun 23, 8:35 PM CDTHAIL 1.75Esmond, ND
Jun 23, 8:40 PM CDTTORNADO 02 Wnw Maddock, NDA PERSISTENT FUNNEL PRODUCED A BRIEF TOUCHDOWN IN AN OPENED FIELD.
Jun 23, 9:05 PM CDTHAIL 12 S Maddock, NDHAIL FROM 905 TO 915 PM. REPORTED BY NORTH DAKOTA ARB OBSERVER.
Jun 23, 9:05 PM CDTHAIL 12 S Maddock, NDHAIL FROM 905 TO 915 PM. REPORTED BY NORTH DAKOTA ARB OBSERVER. SEVERAL SECTIONS OF CROP LAND RECEIVED DAMAGE ACROSS HESPER AND NORTH VIKING TOWNSHIPS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.2 hours before the alert went out and 159 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, Bismarck Municip, ND at 00:00Z on 2008-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 735 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 00:00Z on 2008-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
735 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
1373 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 240114
TORFGF
NDC005-240215-
/O.NEW.KFGF.TO.W.0022.080624T0113Z-080624T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
813 PM CDT MON JUN 23 2008

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN BENSON COUNTY IN NORTHEAST NORTH DAKOTA...

* UNTIL 915 PM CDT

* AT 810 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES
  NORTHEAST OF ESMOND...OR 39 MILES WEST OF DEVILS LAKE...MOVING     
  TO THE SOUTHEAST AT 21 MPH. THIS STORM ALSO HAS THE POTENTIAL TO   
  PRODUCE HAIL UP TO THE SIZE OF GOLF BALLS AND WIND UP TO 60 MPH. 

* THE TORNADO WILL BE NEAR...
  MADDOCK AT 845 PM CDT...
  FLORA AT 855 PM CDT...

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

LAT...LON 4808 9986 4809 9986 4821 9973 4786 9913
      4786 9957 4805 9987 4807 9987
TIME...MOT...LOC 0113Z 310DEG 18KT 4807 9970

$$

TG
4 follow-up statements
000 
WWUS53 KFGF 240138
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
838 PM CDT MON JUN 23 2008

NDC005-240215-
/O.CON.KFGF.TO.W.0022.000000T0000Z-080624T0215Z/
BENSON ND-
838 PM CDT MON JUN 23 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR CENTRAL
BENSON COUNTY...

AT 836 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
6 MILES SOUTHEAST OF ESMOND...OR 37 MILES WEST OF DEVILS 
LAKE...MOVING TO THE SOUTHEAST AT 16 MPH. THIS STORM ALSO HAS THE 
POTENTIAL TO PRODUCE GOLF BALL SIZE HAIL AND WINDS UP TO 60 MPH. 

* THE TORNADO WILL BE NEAR...
  MADDOCK BY 855 PM CDT...
  FLORA BY 915 PM CDT...

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

LAT...LON 4805 9975 4806 9972 4814 9960 4786 9913
      4786 9957 4802 9979
TIME...MOT...LOC 0138Z 313DEG 14KT 4799 9965

$$

TG
000 
WWUS53 KFGF 240146
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
845 PM CDT MON JUN 23 2008

NDC005-240215-
/O.CON.KFGF.TO.W.0022.000000T0000Z-080624T0215Z/
BENSON ND-
845 PM CDT MON JUN 23 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR CENTRAL
BENSON COUNTY...

AT 841 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
2 MILES NORTH OF MADDOCK...OR 31 MILES WEST OF DEVILS LAKE...MOVING 
TO THE SOUTHEAST AT 22 MPH. THIS STORM ALSO HAS A HISTORY OF 
PRODUCING GOLF BALL SIZE HAIL AND THE POTENTIAL TO PRODUCE WINDS UP 
TO 60 MPH. 

* THE TORNADO WILL BE NEAR...
  FLORA BY 855 PM CDT...

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

LAT...LON 4805 9975 4806 9972 4814 9960 4786 9913
      4786 9957 4802 9979
TIME...MOT...LOC 0145Z 313DEG 19KT 4798 9950

$$

TG
000 
WWUS53 KFGF 240203
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
902 PM CDT MON JUN 23 2008

NDC005-240215-
/O.CON.KFGF.TO.W.0022.000000T0000Z-080624T0215Z/
BENSON ND-
902 PM CDT MON JUN 23 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR SOUTH
CENTRAL BENSON COUNTY...

AT 858 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
NEAR FLORA...OR 28 MILES SOUTHWEST OF DEVILS LAKE...MOVING TO THE 
SOUTHEAST AT 22 MPH. THIS STORM ALSO HAS A HISTORY OF PRODUCING GOLF 
BALL SIZED HAIL AND THE POTENTIAL TO PRODUCE WIND UP TO 60 MPH. 

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

LAT...LON 4797 9965 4798 9962 4807 9953 4786 9913
      4786 9957 4795 9969
TIME...MOT...LOC 0202Z 313DEG 19KT 4792 9940

$$

TG
000 
WWUS53 KFGF 240215
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
915 PM CDT MON JUN 23 2008

NDC005-240225-
/O.EXP.KFGF.TO.W.0022.000000T0000Z-080624T0215Z/
BENSON ND-
915 PM CDT MON JUN 23 2008

...THE TORNADO WARNING FOR SOUTH CENTRAL BENSON COUNTY HAS EXPIRED...

AT 912 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM LOCATED 6 MILES SOUTHEAST OF FLORA...OR 27 MILES
SOUTHWEST OF DEVILS LAKE...MOVING TO THE SOUTHEAST AT 22 MPH.

THE THUNDERSTORM HAS WEAKENED AND WAS NO LONGER CONSIDERED SEVERE. SO
THE WARNING WAS ALLOWED TO EXPIRE AT 915 PM CDT. 

LAT...LON 4797 9965 4798 9962 4807 9953 4786 9913
      4786 9957 4795 9969
TIME...MOT...LOC 0203Z 313DEG 19KT 4792 9940

$$

TG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 7:25 PM CDTSevere Thunderstorm WarningFGFBenson65 min
Jun 23, 8:00 PM CDTSevere Thunderstorm WarningFGFCavalier, Towner60 min
Jun 23, 8:34 PM CDTSevere Thunderstorm WarningFGFBenson56 min
Jun 23, 8:58 PM CDTSevere Thunderstorm WarningFGFCavalier62 min
Jun 23, 9:21 PM CDTSevere Thunderstorm WarningFGFEddy54 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.