Alert archive / North Dakota / Tornado Warnings in 2006

Tornado Warning 13, NWS Grand Forks, ND

June 5, 2006Nelson County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 5, 2006, 6:33 PM CDT for Nelson County, North Dakota. It was in force for 42 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 5, 2006, 6:33 PM CDT (23:33 UTC)
Expired
Jun 5, 2006, 7:15 PM CDT
In force
42 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Nelson County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 87 km from the middle of the area, began a volume at 23:34 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, 6:35 PM CDTHAIL 0.752 Nw Mapes, ND
Jun 5, 6:40 PM CDTHAIL 0.881 W Michigan, ND

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 12:00Z, 11.6 hours before the alert went out and 234 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 2006-06-05Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 12:00Z on 2006-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1404 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
19 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 052333
TORFGF
NDC063-060015-
/O.NEW.KFGF.TO.W.0013.060605T2333Z-060606T0015Z/

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN NELSON COUNTY IN NORTHEAST NORTH DAKOTA

* UNTIL 715 PM CDT

* AT 629 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM WITH STRONG ROTATION 3 MILES SOUTH OF LAKOTA...OR 26
  MILES EAST OF DEVILS LAKE...MOVING TO THE EAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  MAPES BY 640 PM CDT
  MICHIGAN BY 650 PM CDT
  PETERSBURG BY 705 PM CDT
  8 MILES SOUTH OF DAHLEN BY 715 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 700 PM CDT MONDAY
EVENING FOR NORTHWESTERN MINNESOTA AND SOUTHEAST NORTH DAKOTA.

LAT...LON 4808 9840 4790 9841 4793 9791 4818 9793

$$

DK/BB
2 follow-up statements
000 
WWUS53 KFGF 052348
SVSFGF

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

NDC063-060015-
/O.CON.KFGF.TO.W.0013.000000T0000Z-060606T0015Z/
NELSON ND-
648 PM CDT MON JUN 5 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR NORTHERN
NELSON COUNTY...

AT 646 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH STRONG ROTATION.  THE TORNADO WAS LOCATED 4 MILES
SOUTHWEST OF MAPES...OR 30 MILES EAST OF DEVILS LAKE...MOVING TO THE
EAST AT 25 MPH.

THE TORNADO WILL BE NEAR...
  MICHIGAN BY 700 PM CDT
  PETERSBURG BY 715 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 700 PM CDT MONDAY
EVENING FOR NORTHWESTERN MINNESOTA AND SOUTHEAST NORTH DAKOTA.

LAT...LON 4808 9840 4790 9841 4793 9791 4818 9793

$$
DK
000 
WWUS53 KFGF 060016
SVSFGF

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

NDC063-060026-
/O.EXP.KFGF.TO.W.0013.000000T0000Z-060606T0015Z/
NELSON ND-
716 PM CDT MON JUN 5 2006

...THE TORNADO WARNING FOR NORTHERN NELSON COUNTY HAS EXPIRED...

DOPPLER RADAR INDICATED THE STORM WAS NO LONGER SEVERE AND SO THE
WARNING WAS ALLOWED TO EXPIRE AT 715 PM CDT. 

LAT...LON 4808 9840 4790 9841 4793 9791 4818 9793

$$
DK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 1:57 PM CDTSevere Thunderstorm WarningFGFRichland63 min
Jun 5, 2:13 PM CDTSevere Thunderstorm WarningFGFCass62 min
Jun 5, 6:07 PM CDTSevere Thunderstorm WarningFGFGriggs, Nelson, Steele53 min
Jun 5, 6:13 PM CDTSevere Thunderstorm WarningFGFBarnes62 min
Jun 5, 6:28 PM CDTTornado WarningFGFBarnes43 min
Jun 5, 6:55 PM CDTSevere Thunderstorm WarningFGFCass65 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.