Alert archive / North Dakota / Tornado Warnings in 2008

Tornado Warning 5, NWS Grand Forks, ND

May 24, 20084 counties in North Dakota

NWS Grand Forks, ND issued this tornado warning at May 24, 2008, 7:59 PM CDT for 4 counties in North Dakota. It was in force for 61 min. 3 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
May 24, 2008, 7:59 PM CDT (00:59 UTC)
Expired
May 24, 2008, 9:00 PM CDT
In force
61 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon

Counties Barnes County, ND, Cass County, ND, Ransom County, ND, Sargent County, ND

The radar

The Aberdeen radar (KABR), 103 km from the middle of the area, began a volume at 01:00 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
May 24, 8:20 PM CDTTORNADO 03 Ssw Englevale, NDPERSISTENT FUNNEL WITH BRIEF TORNADO TOUCHDOWN
May 24, 8:40 PM CDTHAIL 0.8810 W Lisbon, ND
May 24, 8:50 PM CDTHAIL 0.75Lisbon, ND

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

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.0 hours before the alert went out and 161 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 2008-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 189 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 2008-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
189 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
853 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 250100
TORFGF
NDC003-017-073-081-250200-
/O.NEW.KFGF.TO.W.0005.080525T0059Z-080525T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
759 PM CDT SAT MAY 24 2008

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BARNES COUNTY IN SOUTHEAST NORTH DAKOTA...
  EXTREME SOUTHWESTERN CASS COUNTY IN SOUTHEAST NORTH DAKOTA...
  RANSOM COUNTY IN SOUTHEAST NORTH DAKOTA...
  NORTHWESTERN SARGENT COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 900 PM CDT

* AT 756 PM CDT...THE PUBLIC REPORTED A TORNADO 6 MILES WEST OF
  OAKES...OR 52 MILES SOUTH OF VALLEY CITY...MOVING TO THE 
  NORTHEAST AT 45 MPH.

* THE TORNADO WILL BE ABOUT...
  6 MILES NORTHWEST OF STIRUM AT 810 PM CDT...
  7 MILES SOUTHEAST OF ENGLEVALE AT 815 PM CDT...
  ELLIOTT AT 820 PM CDT...
  LISBON AT 825 PM CDT...

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

LAT...LON 4607 9798 4612 9803 4627 9802 4629 9805
      4654 9805 4672 9777 4638 9733
TIME...MOT...LOC 0059Z 230DEG 46KT 4619 9803

$$

JK/PR
3 follow-up statements
000 
WWUS53 KFGF 250116
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
815 PM CDT SAT MAY 24 2008

NDC003-017-073-081-250200-
/O.CON.KFGF.TO.W.0005.000000T0000Z-080525T0200Z/
RANSOM ND-SARGENT ND-BARNES ND-CASS ND-
815 PM CDT SAT MAY 24 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR EXTREME
SOUTHWESTERN CASS...SOUTHEASTERN BARNES...NORTHWESTERN SARGENT AND
RANSOM COUNTIES IN SOUTHEAST NORTH DAKOTA...

AT 813 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
4 MILES SOUTHWEST OF ENGLEVALE...OR 40 MILES SOUTH OF VALLEY CITY...
MOVING TO THE NORTHEAST AT 45 MPH.

* THE TORNADO WILL BE NEAR...
  ENGLEVALE AND ELLIOTT BY 820 PM CDT...
  6 MILES SOUTHEAST OF FORT RANSOM BY 825 PM CDT...
  7 MILES NORTHWEST OF LISBON BY 830 PM CDT...
  7 MILES SOUTHEAST OF NOME BY 840 PM CDT...

IN ADDITION TO THE TORNADO...THIS STORM MAY PRODUCE QUARTER
SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT SUNDAY MORNING FOR
NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4607 9798 4612 9803 4627 9802 4629 9805
      4654 9805 4672 9777 4638 9733
TIME...MOT...LOC 0115Z 215DEG 42KT 4637 9794

$$

JK
000 
WWUS53 KFGF 250139
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
838 PM CDT SAT MAY 24 2008

NDC081-250148-
/O.CAN.KFGF.TO.W.0005.000000T0000Z-080525T0200Z/
SARGENT ND-
838 PM CDT SAT MAY 24 2008

...THE TORNADO WARNING FOR NORTHWESTERN SARGENT COUNTY IS
CANCELLED...

AT 838 PM CDT...TORNADO MOVED OUT OF THE WARNED AREA IN NORTHWESTERN
SARGENT COUNTY. SO THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT SUNDAY MORNING FOR
NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4629 9805 4654 9805 4672 9777 4638 9733
      4631 9802 4612 9803 4627 9802
TIME...MOT...LOC 0138Z 200DEG 33KT 4655 9783

$$

NDC003-017-073-250200-
/O.CON.KFGF.TO.W.0005.000000T0000Z-080525T0200Z/
RANSOM ND-BARNES ND-CASS ND-
838 PM CDT SAT MAY 24 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR EXTREME
SOUTHWESTERN CASS...SOUTHEASTERN BARNES AND RANSOM COUNTIES IN
SOUTHEAST NORTH DAKOTA...

AT 823 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
NEAR ENGLEVALE...OR 35 MILES SOUTH OF VALLEY CITY...MOVING TO THE
NORTHEAST AT 45 MPH.

* THE TORNADO WILL BE NEAR...
  NOME BY 850 PM CDT...

IN ADDITION TO THE TORNADO...THIS STORM MAY PRODUCE QUARTER
SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT SUNDAY MORNING FOR
NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4629 9805 4654 9805 4672 9777 4638 9733
      4631 9802 4612 9803 4627 9802
TIME...MOT...LOC 0138Z 200DEG 33KT 4655 9783

$$

JK/PR
000 
WWUS53 KFGF 250154
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
852 PM CDT SAT MAY 24 2008

NDC003-017-073-250202-
/O.EXP.KFGF.TO.W.0005.000000T0000Z-080525T0200Z/
RANSOM ND-BARNES ND-CASS ND-
852 PM CDT SAT MAY 24 2008

...THE TORNADO WARNING FOR EXTREME SOUTHWESTERN CASS...SOUTHEASTERN
BARNES AND RANSOM COUNTIES IN SOUTHEAST NORTH DAKOTA WILL EXPIRE AT
900 PM CDT...

DOPPLER RADAR INDICATED THE STORM WAS NO LONGER TORNADIC AND SO THE
WARNING WILL BE ALLOWED TO EXPIRE AT 900 PM CDT. 

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT SUNDAY MORNING FOR
NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4629 9805 4654 9805 4672 9777 4638 9733
      4631 9802 4612 9803 4627 9802
TIME...MOT...LOC 0152Z 200DEG 33KT 4667 9775

$$

JK/PR

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 8:25 PM CDTSevere Thunderstorm WarningFGFBarnes, Cass, Ransom46 min
May 24, 8:45 PM CDTSevere Thunderstorm WarningFGFBarnes, Cass, Ransom, Richland60 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; radar from the NEXRAD Level II archive.