Alert archive / North Dakota / Tornado Warnings in 2009

Tornado Warning 15, NWS Grand Forks, ND

June 26, 2009Grand Forks County, Steele County, Traill County, North Dakota; Polk County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 26, 2009, 7:45 PM CDT for Grand Forks County, Steele County, Traill County, North Dakota; Polk County, Minnesota. It was in force for 60 min. 5 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 26, 2009, 7:45 PM CDT (00:45 UTC)
Expired
Jun 26, 2009, 8:45 PM CDT
In force
60 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon

Counties Polk County, MN, Grand Forks County, ND, Steele County, ND, Traill County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 37 km from the middle of the area, began a volume at 00:45 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 26, 7:45 PM CDTTSTM WND DMG3 Se Tabor, MNSEVERAL LARGE 6-8 INCH BRANCHES BROKEN DOWN IN SHELTER BELT.
Jun 26, 7:45 PM CDTHAIL 0.752 Nw Emerado, NDMULTIPLE FUNNEL CLOUDS REPORTED BETWEEN REYNOLDS AND GRAND FORKS
Jun 26, 7:46 PM CDTTSTM WND GST 584 Nnw Grand Forks, NDMEASURED AT ND DOT RWIS SITE ALONG I-29 NEAR MP145.
Jun 26, 8:08 PM CDTHAIL 1.755 Wnw Thompson, ND
Jun 26, 8:18 PM CDTHAIL 1.754 Nw Thompson, 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 26, 2:53 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 26, 6:43 PM CDTTornado WatchSPC4 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 0.8 hours before the alert went out and 291 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 2009-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1750 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2009-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
1750 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
1586 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.8

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 270045
TORFGF
MNC119-NDC035-091-097-270145-
/O.NEW.KFGF.TO.W.0015.090627T0045Z-090627T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
745 PM CDT FRI JUN 26 2009

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA...
  THIS INCLUDES THE CITY OF GRAND FORKS...
  NORTHWESTERN POLK COUNTY IN NORTHWEST MINNESOTA...
  NORTHEASTERN STEELE COUNTY IN SOUTHEAST NORTH DAKOTA...
  NORTHWESTERN TRAILL COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 845 PM CDT

* AT 743 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A BRIEF        
  TORNADOES ALONG A LINE EXTENDING FROM 3 MILES SOUTH OF ARDOCH TO 6  
  MILES SOUTH OF HOLMES. THESE TORNADO PRODUCING STORMS WERE NEARLY  
  STATIONARY.

* TORNADO PRODUCING STORMS WILL BE NEAR...
  7 MILES WEST OF MANVEL AND HOLMES AT 850 PM CDT...

  INTERSTATE 29 BETWEEN MILE MARKERS 122 AND 157...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 MIDNIGHT CDT SATURDAY MORNING
FOR NORTHWEST MINNESOTA AND EASTERN NORTH DAKOTA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM CDT
FRIDAY EVENING FOR NORTHWEST MINNESOTA AND NORTHEAST NORTH DAKOTA.

&&

LAT...LON 4811 9652 4744 9733 4742 9772 4785 9770
      4816 9732
TIME...MOT...LOC 0044Z 270DEG 0KT 4816 9732 4763 9732

$$

DK/JK
5 follow-up statements
000 
WWUS53 KFGF 270052
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
752 PM CDT FRI JUN 26 2009

MNC119-NDC035-091-097-270145-
/O.CON.KFGF.TO.W.0015.000000T0000Z-090627T0145Z/
GRAND FORKS ND-STEELE ND-TRAILL ND-POLK MN-
752 PM CDT FRI JUN 26 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
SOUTHEASTERN GRAND FORKS...NORTHWESTERN POLK...NORTHEASTERN STEELE
AND NORTHWESTERN TRAILL COUNTIES...

AT 751 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING TORNADOES. THESE TORNADO
PRODUCING STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 3 MILES
SOUTH OF ARDOCH TO 6 MILES SOUTH OF HOLMES. THESE TORNADO PRODUCING
STORMS WERE NEARLY STATIONARY.

* TORNADO PRODUCING STORMS WILL BE NEAR...
  HOLMES AND 7 MILES WEST OF MANVEL BY 845 PM CDT...

THIS STORM IS CAPABLE OF PRODUCING STRONG WINDS IN EXCESS OF 65 MPH 
IN GRAND FORKS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT SATURDAY MORNING
FOR NORTHWEST MINNESOTA AND EASTERN NORTH DAKOTA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM CDT
FRIDAY EVENING FOR NORTHWEST MINNESOTA AND NORTHEAST NORTH DAKOTA.

&&

LAT...LON 4811 9652 4744 9733 4742 9772 4785 9770
      4816 9732
TIME...MOT...LOC 0051Z 270DEG 0KT 4816 9732 4763 9732

$$

DK/JK
000 
WWUS53 KFGF 270107
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
807 PM CDT FRI JUN 26 2009

MNC119-NDC035-091-097-270145-
/O.CON.KFGF.TO.W.0015.000000T0000Z-090627T0145Z/
GRAND FORKS ND-STEELE ND-TRAILL ND-POLK MN-
807 PM CDT FRI JUN 26 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR EASTERN
GRAND FORKS...NORTHWESTERN POLK...EXTREME NORTHEASTERN STEELE AND
NORTHWESTERN TRAILL COUNTIES...

AT 805 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING TORNADOES. THESE TORNADO
PRODUCING STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 3 MILES
SOUTH OF ARDOCH TO 6 MILES NORTH OF MAYVILLE...MOVING TO THE EAST AT
15 MPH.

* TORNADO PRODUCING STORMS WILL BE NEAR...
  THOMPSON AND REYNOLDS BY 825 PM CDT...
  
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT SATURDAY MORNING
FOR NORTHWEST MINNESOTA AND EASTERN NORTH DAKOTA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM CDT
FRIDAY EVENING FOR NORTHWEST MINNESOTA AND NORTHEAST NORTH DAKOTA.

&&

LAT...LON 4811 9652 4756 9719 4767 9749 4801 9731
      4815 9720
TIME...MOT...LOC 0106Z 272DEG 27KT 4816 9731 4758 9734

$$

DK/JK
000 
WWUS53 KFGF 270123
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
823 PM CDT FRI JUN 26 2009

MNC119-NDC035-091-097-270145-
/O.CON.KFGF.TO.W.0015.000000T0000Z-090627T0145Z/
GRAND FORKS ND-STEELE ND-TRAILL ND-POLK MN-
823 PM CDT FRI JUN 26 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR EASTERN
GRAND FORKS...NORTHWESTERN POLK...EXTREME NORTHEASTERN STEELE AND
NORTHWESTERN TRAILL COUNTIES...

AT 820 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING TORNADOES. THESE TORNADO
PRODUCING STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 3 MILES
SOUTH OF OSLO TO 4 MILES SOUTHWEST OF BUXTON...MOVING TO THE EAST AT
30 MPH.

* TORNADO PRODUCING STORMS WILL BE NEAR...
  THOMPSON BY 825 PM CDT...
  REYNOLDS BY 835 PM CDT...
 
THIS STORM PRODUCED GOLFBALL SIZED HAIL 4 MILES NW OF THOMPSON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT SATURDAY MORNING
FOR NORTHWEST MINNESOTA AND EASTERN NORTH DAKOTA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM CDT
FRIDAY EVENING FOR NORTHWEST MINNESOTA AND NORTHEAST NORTH DAKOTA.

&&

LAT...LON 4811 9652 4756 9719 4767 9749 4801 9731
      4815 9720
TIME...MOT...LOC 0121Z 272DEG 27KT 4815 9714 4757 9717

$$

DK/JK
000 
WWUS53 KFGF 270128
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
828 PM CDT FRI JUN 26 2009

NDC091-270138-
/O.CAN.KFGF.TO.W.0015.000000T0000Z-090627T0145Z/
STEELE ND-
828 PM CDT FRI JUN 26 2009

...THE TORNADO WARNING FOR EXTREME NORTHEASTERN STEELE COUNTY IS
CANCELLED...

AT 828 PM CDT...TORNADO MOVED OUT OF THE WARNED AREA IN EXTREME
NORTHEASTERN STEELE COUNTY. SO THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT SATURDAY MORNING
FOR NORTHWEST MINNESOTA AND EASTERN NORTH DAKOTA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM CDT
FRIDAY EVENING FOR NORTHWEST MINNESOTA AND NORTHEAST NORTH DAKOTA.

LAT...LON 4762 9724 4770 9727 4783 9710 4786 9694
      4785 9684 4759 9715
TIME...MOT...LOC 0128Z 239DEG 15KT 4764 9717

$$

MNC119-NDC035-097-270145-
/O.CON.KFGF.TO.W.0015.000000T0000Z-090627T0145Z/
GRAND FORKS ND-TRAILL ND-POLK MN-
828 PM CDT FRI JUN 26 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
SOUTHEASTERN GRAND FORKS...WEST CENTRAL POLK AND NORTH CENTRAL TRAILL
COUNTIES...

AT 828 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
3 MILES SOUTHWEST OF REYNOLDS...OR 20 MILES SOUTH OF GRAND FORKS...
MOVING TO THE NORTHEAST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  REYNOLDS BY 840 PM CDT...
  7 MILES SOUTH OF THOMPSON BY 845 PM CDT...

  INTERSTATE 29 BETWEEN MILE MARKER 122 AROUND 840 PM CDT...
  AND MILE MARKER 126 AROUND 845 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT SATURDAY MORNING
FOR NORTHWEST MINNESOTA AND EASTERN NORTH DAKOTA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM CDT
FRIDAY EVENING FOR NORTHWEST MINNESOTA AND NORTHEAST NORTH DAKOTA.

&&

LAT...LON 4762 9724 4770 9727 4783 9710 4786 9694
      4785 9684 4759 9715
TIME...MOT...LOC 0128Z 239DEG 15KT 4764 9717

$$

DK/JK
000 
WWUS53 KFGF 270141
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
841 PM CDT FRI JUN 26 2009

MNC119-NDC035-097-270151-
/O.EXP.KFGF.TO.W.0015.000000T0000Z-090627T0145Z/
GRAND FORKS ND-TRAILL ND-POLK MN-
841 PM CDT FRI JUN 26 2009

...THE TORNADO WARNING FOR SOUTHEASTERN GRAND FORKS...WEST CENTRAL
POLK AND NORTH CENTRAL TRAILL COUNTIES WILL EXPIRE AT 845 PM CDT...

DOPPLER RADAR INDICATED THE STORM WAS NO LONGER SEVERE AND SO THE
WARNING WILL BE ALLOWED TO EXPIRE AT 845 PM CDT. 

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT SATURDAY MORNING
FOR NORTHWEST MINNESOTA AND EASTERN NORTH DAKOTA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM CDT
FRIDAY EVENING FOR NORTHWEST MINNESOTA AND NORTHEAST NORTH DAKOTA.

LAT...LON 4762 9724 4770 9727 4783 9710 4786 9694
      4785 9684 4759 9715
TIME...MOT...LOC 0141Z 239DEG 15KT 4767 9710

$$

DK/JK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 7:12 PM CDTFlash Flood WarningFGFGrand Forks, Nelson14 hr
Jun 26, 8:45 PM CDTSpecial Weather StatementFGFTraill60 min
Jun 26, 9:06 PM CDTTornado WarningFGFTraill54 min
Jun 26, 9:32 PM CDTFlash Flood WarningFGFBenson, Eddy, Nelson, Ramsey, Towner, Walsh11 hr
Jun 26, 9:52 PM CDTRiver Flood WarningFGFWalsh5 days
Jun 26, 10:11 PM CDTFlash Flood WarningFGFGrand Forks, Traill11 hr
Jun 27, 7:04 AM CDTAreal Flood WarningFGFCavalier, Towner5 hr
Jun 27, 7:55 AM CDTAreal Flood WarningFGFNelson, Walsh3 days
Jun 27, 8:53 AM CDTAreal Flood WarningFGFGrand Forks, Traill3 days
Jun 27, 10:10 AM CDTAreal Flood AdvisoryFGFBenson, Ramsey26 hr
Jun 27, 10:33 AM CDTRiver Flood WarningFGFGrand Forks5 days
Jun 27, 10:33 AM CDTRiver Flood WarningFGFGrand Forks, Walsh6 days
Jun 27, 11:47 AM CDTAreal Flood AdvisoryFGFCavalier, Towner24 hr
Jun 27, 1:24 PM CDTSevere Thunderstorm WarningFGFCavalier, Ramsey, Towner51 min
Jun 27, 2:39 PM CDTSpecial Weather StatementFGFWalsh21 min
Jun 27, 2:47 PM CDTTornado WarningFGFTowner28 min
Jun 27, 3:22 PM CDTSevere Thunderstorm WarningFGFRamsey, Towner53 min
Jun 27, 4:20 PM CDTSpecial Weather StatementFGFNelson55 min
Jun 27, 4:33 PM CDTRiver Flood WarningFGFRichland4 days
Jun 27, 6:39 PM CDTSpecial Weather StatementFGFCass51 min
Jun 26, 8:51 PM CDTTornado WarningFGFPolk39 min
Jun 26, 10:01 PM CDTSpecial Weather StatementFGFNorman59 min
Jun 27, 9:57 AM CDTRiver Flood WarningFGFKittson6 days

Nearby

Tornado Warnings in North Dakota, 2009Tornado Warnings in Minnesota, 2009Every tornado warning in 2009Tornadoes in 2009

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.