Alert archive / North Dakota / Tornado Warnings in 2006

Tornado Warning 29, NWS Grand Forks, ND

July 30, 2006Pembina County, North Dakota; Kittson County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jul 30, 2006, 11:02 PM CDT for Pembina County, North Dakota; Kittson County, Minnesota. It was in force for 58 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
Jul 30, 2006, 11:02 PM CDT (04:02 UTC)
Expired
Jul 31, 2006, 12:00 AM CDT
In force
58 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

Counties Kittson County, MN, Pembina County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 148 km from the middle of the area, began a volume at 04:05 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
Jul 30, 11:08 PM CDTTORNADO 04 Sse Mountain, NDA TORNADO TOUCHED DOWN BRIEFLY IN A FARM YARD AND TRACKED SOUTHEASTWARD INTO OPEN PASTURELAND WHERE IT DISSIPATED. THE TORNADIC WINDS SNAPPED A POPLAR TREE OFF NEAR THE BASE AND BLEW LAWN FURNITURE AROUND THE LARGE MULTI-DWELLING YARD. A HEAVY TARPAULIN WHICH
Jul 30, 11:10 PM CDTHAIL 14 Ene St. Vincent, MNDIME TO QUARTER SIZED HAIL FELL UNTIL 1112 PM.

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

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 4.0 hours before the alert went out and 310 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, International Fa, MN at 00:00Z on 2006-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1104 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, International Fa, MN at 00:00Z on 2006-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 192 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
1104 J/kg
Mixed-layer CIN
-268 J/kg
Mixed-layer LCL
1097 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
192 m²/s²
0-3 km storm-relative helicity
465 m²/s²
Significant tornado parameter
0.0
Supercell composite
21.7

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 310402
TORFGF
MNC069-NDC067-310500-
/O.NEW.KFGF.TO.W.0029.060731T0402Z-060731T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1102 PM CDT SUN JUL 30 2006

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  PEMBINA COUNTY IN NORTHEAST NORTH DAKOTA
  NORTHWESTERN KITTSON COUNTY IN NORTHWEST MINNESOTA

* UNTIL MIDNIGHT CDT

* AT 1101 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM WITH STRONG ROTATION NEAR MOUNTAIN...OR 24 MILES EAST
  OF LANGDON...MOVING TO THE NORTHEAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  AKRA AT 1110 PM CDT
  CAVALIER AT 1115 PM CDT
  HAMILTON AT 1125 PM CDT
  BATHGATE AT 1130 PM CDT

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

LAT...LON 4878 9795 4858 9790 4899 9675 4900 9701
      4900 9745

$$

HOPPES
3 follow-up statements
000 
WWUS53 KFGF 310425
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1125 PM CDT SUN JUL 30 2006

MNC069-NDC067-310500-
/O.CON.KFGF.TO.W.0029.000000T0000Z-060731T0500Z/
KITTSON MN-PEMBINA ND-
1125 PM CDT SUN JUL 30 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR PEMBINA
AND NORTHWESTERN KITTSON COUNTIES...

AT 1123 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH STRONG ROTATION.  THE TORNADO WAS LOCATED 3 MILES
SOUTHEAST OF HENSEL...OR 20 MILES NORTHWEST OF GRAFTON...MOVING TO
THE EAST AT 30 MPH.

THE TORNADO WILL BE NEAR...
  GLASSTON BY 1135 PM CDT
  7 MILES SOUTH OF HAMILTON BY 1140 PM CDT
  BOWESMONT BY 1155 PM CDT

IF YOU ARE IN THE PATH OF A TORNADO THE SAFEST PLACE IS A BASEMENT.
GET UNDER A STAIRWAY OR A PIECE OF STURDY FURNITURE.

LAT...LON 4877 9794 4856 9791 4866 9714 4899 9675
      4900 9701

$$

HOPPES
000 
WWUS53 KFGF 310450
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1149 PM CDT SUN JUL 30 2006

MNC069-NDC067-310500-
/O.CON.KFGF.TO.W.0029.000000T0000Z-060731T0500Z/
KITTSON MN-PEMBINA ND-
1149 PM CDT SUN JUL 30 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR PEMBINA
AND NORTHWESTERN KITTSON COUNTIES...

AT 1148 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH STRONG ROTATION.  THE TORNADO WAS LOCATED 6 MILES
WEST OF BOWESMONT...OR 21 MILES NORTH OF GRAFTON...MOVING TO THE EAST
AT 30 MPH.

THE TORNADO WILL BE NEAR...
  BOWESMONT BY MIDNIGHT 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 400 AM CDT MONDAY
MORNING FOR NORTHWESTERN MINNESOTA AND NORTHEAST NORTH DAKOTA.

LAT...LON 4877 9794 4856 9791 4866 9714 4899 9675
      4900 9701

$$

HOPPES
000 
WWUS53 KFGF 310502
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1202 AM CDT MON JUL 31 2006

MNC069-NDC067-310512-
/O.EXP.KFGF.TO.W.0029.000000T0000Z-060731T0500Z/
KITTSON MN-PEMBINA ND-
1202 AM CDT MON JUL 31 2006

...THE TORNADO WARNING FOR PEMBINA AND NORTHWESTERN KITTSON COUNTIES
EXPIRED AT MIDNIGHT CDT...

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM CDT MONDAY
MORNING FOR NORTHWESTERN MINNESOTA AND NORTHEAST NORTH DAKOTA.

LAT...LON 4877 9794 4856 9791 4866 9714 4899 9675
      4900 9701

$$

HOPPES

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 10:21 PM CDTSevere Thunderstorm WarningFGFCavalier, Pembina54 min
Jul 30, 10:46 PM CDTSevere Thunderstorm WarningFGFBenson, Ramsey, Towner59 min
Jul 31, 12:07 AM CDTSevere Thunderstorm WarningFGFWalsh53 min
Jul 31, 12:54 AM CDTSevere Thunderstorm WarningFGFKittson, Marshall66 min
Jul 31, 1:16 AM CDTSevere Thunderstorm WarningFGFRoseau59 min
Jul 31, 2:43 AM CDTSevere Thunderstorm WarningFGFBeltrami, Lake of the Woods19 min

Nearby

Tornado Warnings in North Dakota, 2006Tornado Warnings in Minnesota, 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.