Alert archive / North Dakota / Tornado Warnings in 2006

Tornado Warning 17, NWS Grand Forks, ND

June 5, 2006Grand Forks County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 5, 2006, 7:08 PM CDT for Grand Forks County, North Dakota. It was in force for 67 min. 6 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 5, 2006, 7:08 PM CDT (00:08 UTC)
Expired
Jun 5, 2006, 8:15 PM CDT
In force
67 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Grand Forks County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 57 km from the middle of the area, began a volume at 00:09 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 5, 7:11 PM CDTHAIL 0.753 N Niagara, ND
Jun 5, 7:15 PM CDTHAIL 0.885 E Niagara, NDHAIL FELL FOR ABOUT 8 MINUTES UNTIL 723PM.
Jun 5, 7:15 PM CDTHAIL 0.885 E Niagara, NDHAIL FELL FOR ABOUT 8 MINUTES UNTIL 823PM.
Jun 5, 7:50 PM CDTFUNNEL CLOUD2 W Emerado, NDPERSISTENT WALL CLOUD WITH FUNNEL VIEWED FROM JUST WEST OF EMERADO.
Jun 5, 7:51 PM CDTHAIL 0.756 Nw Arvilla, ND
Jun 5, 8:00 PM CDTHAIL 1Grand Forks Afb, NDGRAND FORKS AIR FORCE BASE WEATHER OBSERVER REPORTS ONE INCH HAIL AT THE BASE.

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, 0.1 hours before the alert went out and 269 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 2006-06-06Temperature 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, Bismarck Municip, ND at 00:00Z on 2006-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
2400 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
38 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.

000 
WFUS53 KFGF 060009
TORFGF
NDC035-060115-
/O.NEW.KFGF.TO.W.0017.060606T0008Z-060606T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
709 PM CDT MON JUN 5 2006

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA

* UNTIL 815 PM CDT

* AT 704 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM WITH STRONG ROTATION 2 MILES SOUTH OF NIAGARA...OR 37 
  MILES WEST OF GRAND FORKS...MOVING TO THE EAST AT 35 MPH. SPOTTERS 
  HAVE REPORTED A WALL CLOUD WITH THIS STORM.

* THE TORNADO WILL BE NEAR...
  MCCANNA BY 715 PM CDT
  ARVILLA BY 730 PM CDT
  HONEYFORD BY 735 PM CDT
  GRAND FORKS AFB...MEKINOCK AND EMERADO BY 740 PM CDT

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

LAT...LON 4808 9788 4788 9785 4787 9725 4809 9725

$$

DK/BB
1 follow-up statement
000 
WWUS53 KFGF 060023
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
723 PM CDT MON JUN 5 2006

NDC035-060115-
/O.CON.KFGF.TO.W.0017.000000T0000Z-060606T0115Z/
GRAND FORKS ND-
723 PM CDT MON JUN 5 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR CENTRAL
GRAND FORKS COUNTY...

AT 717 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH STRONG ROTATION.  THE TORNADO WAS LOCATED 3 MILES
SOUTHWEST OF MCCANNA...OR 31 MILES WEST OF GRAND FORKS...MOVING TO 
THE EAST AT 25 MPH. SPOTTERS CONTINUE TO REPORT A ROTATING WALL 
CLOUD WITH THIS DANGEROUS STORM.

THE TORNADO WILL BE NEAR...
  LARIMORE BY 730 PM CDT
  ARVILLA BY 740 PM CDT
  GRAND FORKS AFB BY 750 PM CDT
  EMERADO AND MEKINOCK BY 755 PM CDT

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

LAT...LON 4808 9788 4788 9785 4787 9725 4809 9725

$$

DK/BB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 7:00 PM CDTTornado WarningFGFRansom41 min
Jun 5, 7:01 PM CDTSevere Thunderstorm WarningFGFGrand Forks59 min
Jun 5, 7:04 PM CDTTornado WarningFGFCass56 min
Jun 5, 7:08 PM CDTTornado WarningFGFSargent54 min
Jun 5, 7:14 PM CDTSevere Thunderstorm WarningFGFSteele, Traill46 min
Jun 5, 7:38 PM CDTTornado WarningFGFRichland67 min
Jun 5, 7:58 PM CDTSevere Thunderstorm WarningFGFCass49 min
Jun 5, 8:14 PM CDTSevere Thunderstorm WarningFGFGrand Forks61 min
Jun 5, 8:44 PM CDTTornado WarningFGFRichland32 min

Nearby

Tornado Warnings in North Dakota, 2006Every tornado warning in 2006Tornadoes in 2006

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.