Alert archive / North Dakota / Tornado Warnings in 2006

Tornado Warning 20, NWS Grand Forks, ND

June 5, 2006Richland County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 5, 2006, 8:44 PM CDT for Richland County, North Dakota. It was in force for 32 min. 1 report 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, 8:44 PM CDT (01:44 UTC)
Expired
Jun 5, 2006, 9:16 PM CDT
In force
32 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Richland County, ND

The radar

The Aberdeen radar (KABR), 141 km from the middle of the area, began a volume at 01:45 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, 9:00 PM CDTHAIL 0.8811 Se Hankinson, 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 5, 2:06 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.7 hours before the alert went out and 176 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 2006-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1269 joules per kilogram.LCLEL10008507005003002001001 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 2006-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.19395878Sfc1 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
1269 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1709 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 060144
TORFGF
NDC077-060230-
/O.NEW.KFGF.TO.W.0020.060606T0144Z-060606T0230Z/

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA

* UNTIL 930 PM CDT

* AT 838 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM WITH STRONG ROTATION 4 MILES WEST OF LAMARS...OR 17
  MILES NORTHWEST OF WHEATON...MOVING TO THE EAST AT 30 MPH.

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

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

LAT...LON 4603 9687 4595 9695 4595 9658 4604 9659

$$

TFGF
2 follow-up statements
000 
WWUS53 KFGF 060200
SVSFGF

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

NDC077-060230-
/O.CON.KFGF.TO.W.0020.000000T0000Z-060606T0230Z/
RICHLAND ND-
859 PM CDT MON JUN 5 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR
SOUTHEASTERN RICHLAND COUNTY...

AT 855 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH STRONG ROTATION.  THE TORNADO WAS LOCATED NEAR
LAMARS...OR 13 MILES NORTHWEST OF WHEATON...MOVING TO THE EAST AT 30
MPH.

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

LAT...LON 4603 9687 4595 9695 4595 9658 4604 9659

$$
TFGF
000 
WWUS53 KFGF 060216
SVSFGF

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

NDC077-060226-
/O.CAN.KFGF.TO.W.0020.000000T0000Z-060606T0230Z/
RICHLAND ND-
916 PM CDT MON JUN 5 2006

...THE TORNADO WARNING FOR SOUTHEASTERN RICHLAND COUNTY IS
CANCELLED...

AT 916 PM CDT...TORNADO MOVED OUT OF SOUTHEASTERN RICHLAND COUNTY. SO
THE WARNING HAS BEEN CANCELLED.

LAT...LON 4603 9687 4595 9695 4595 9658 4604 9659

$$

TFGF

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, 7:08 PM CDTTornado WarningFGFGrand Forks67 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

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.