Alert archive / North Dakota / Tornado Warnings in 2005

Tornado Warning 40, NWS Grand Forks, ND

June 23, 2005Griggs County, Steele County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 23, 2005, 4:09 PM CDT for Griggs County, Steele County, North Dakota. It was in force for 66 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 23, 2005, 4:09 PM CDT (21:09 UTC)
Expired
Jun 23, 2005, 5:15 PM CDT
In force
66 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

Counties Griggs County, ND, Steele County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 54 km from the middle of the area, began a volume at 21:10 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 23, 4:15 PM CDTFUNNEL CLOUD5 W Cooperstown, ND
Jun 23, 4:53 PM CDTHAIL 16 E Finley, 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 23, 2:25 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 9.2 hours before the alert went out and 217 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 12:00Z on 2005-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1519 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, Bismarck Municip, ND at 12:00Z on 2005-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
1519 J/kg
Mixed-layer CIN
-405 J/kg
Mixed-layer LCL
1901 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 232109
TORFGF
NDC039-091-232215-
/O.NEW.KFGF.TO.W.0040.050623T2109Z-050623T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
409 PM CDT THU JUN 23 2005

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN GRIGGS COUNTY IN SOUTHEAST NORTH DAKOTA
  STEELE COUNTY IN SOUTHEAST NORTH DAKOTA

* UNTIL 515 PM CDT

* AT 405 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM WITH STRONG ROTATION 4 MILES SOUTH OF JESSIE...OR 41
  MILES NORTH OF VALLEY CITY...MOVING TO THE EAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  COOPERSTOWN AT 415 PM
  SHARON AT 440 PM
  FINLEY AT 445 PM
  SHERBROOKE AT 455 PM

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4765 9833 4737 9837 4728 9763 4764 9759

$$

DK/JDS
2 follow-up statements
000 
WWUS53 KFGF 232123
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
423 PM CDT THU JUN 23 2005

NDC039-091-232215-
/O.CON.KFGF.TO.W.0040.000000T0000Z-050623T2215Z/
GRIGGS ND-STEELE ND-
423 PM CDT THU JUN 23 2005

...A TORNADO WARNING CONTINUES UNTIL 515 PM CDT FOR STEELE AND
EASTERN GRIGGS COUNTIES...

AT 418 PM CDT...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 5 MILES 
WEST OF COOPERSTOWN.  THE TORNADO WAS LOCATED 3 MILES NORTH OF 
COOPERSTOWN...OR 39 MILES NORTH OF VALLEY CITY...MOVING TO THE EAST 
AT 30 MPH.

THE TORNADO WILL BE NEAR...
  FINLEY BY 440 PM CDT...
  BLABON BY 445 PM CDT...
  SHERBROOKE BY 450 PM CDT...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4765 9833 4737 9837 4728 9763 4764 9759

$$

DK/JDS
000 
WWUS53 KFGF 232137
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
437 PM CDT THU JUN 23 2005

NDC039-091-232215-
/O.CON.KFGF.TO.W.0040.000000T0000Z-050623T2215Z/
GRIGGS ND-STEELE ND-
437 PM CDT THU JUN 23 2005

...A TORNADO WARNING CONTINUES UNTIL 515 PM CDT FOR STEELE AND
EASTERN GRIGGS COUNTIES...

AT 435 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH A DEVELOPING TORNADO.  THE TORNADO WAS LOCATED NEAR
FINLEY...OR 40 MILES NORTH OF VALLEY CITY...MOVING TO THE EAST AT 35
MPH.

THE TORNADO WILL BE NEAR...
  SHERBROOKE AND BLABON BY 445 PM CDT...
  8 MILES SOUTH OF GOLDEN LAKE BY 450 PM CDT...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4764 9819 4732 9822 4727 9756 4762 9752

$$

DK/JDS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 2:02 PM CDTSevere Thunderstorm WarningFGFBenson, Ramsey58 min
Jun 23, 2:10 PM CDTTornado WarningFGFBenson, Eddy50 min
Jun 23, 2:37 PM CDTTornado WarningFGFRamsey53 min
Jun 23, 2:58 PM CDTTornado WarningFGFCavalier, Pembina, Walsh62 min
Jun 23, 3:00 PM CDTTornado WarningFGFBenson, Eddy, Nelson60 min
Jun 23, 3:02 PM CDTSevere Thunderstorm WarningFGFTowner43 min
Jun 23, 3:10 PM CDTTornado WarningFGFTowner41 min
Jun 23, 3:13 PM CDTTornado WarningFGFCavalier, Ramsey62 min
Jun 23, 3:49 PM CDTSevere Thunderstorm WarningFGFGrand Forks, Griggs, Steele56 min
Jun 23, 3:57 PM CDTSevere Thunderstorm WarningFGFNelson48 min
Jun 23, 4:00 PM CDTTornado WarningFGFCavalier, Pembina, Walsh60 min
Jun 23, 4:33 PM CDTFlash Flood WarningFGFPembina5 hr
Jun 23, 4:55 PM CDTTornado WarningFGFCass, Traill65 min
Jun 23, 5:00 PM CDTTornado WarningFGFGrand Forks60 min
Jun 23, 5:15 PM CDTTornado WarningFGFSteele11 min
Jun 23, 5:59 PM CDTSevere Thunderstorm WarningFGFTraill52 min

Nearby

Tornado Warnings in North Dakota, 2005Every tornado warning in 2005Tornadoes in 2005

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.