Alert archive / Minnesota / Tornado Warnings in 2009

Tornado Warning 17, NWS Grand Forks, ND

June 26, 2009Norman County, Polk County, Minnesota; Traill County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 26, 2009, 9:06 PM CDT for Norman County, Polk County, Minnesota; Traill County, North Dakota. It was in force for 54 min. 3 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, 9:06 PM CDT (02:06 UTC)
Expired
Jun 26, 2009, 10:00 PM CDT
In force
54 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon

Counties Norman County, MN, Polk County, MN, Traill County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 34 km from the middle of the area, began a volume at 02:09 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 26, 9:10 PM CDTTSTM WND DMG5 N Hillsboro, NDSEMI TRACTOR AND TRAILER BLOWN OFF I-29 NORTH OF HILLSBORO... EXACT LOCATION UNKNOWN AT THIS TIME.
Jun 26, 9:30 PM CDTFUNNEL CLOUD4 Sse Hillsboro, NDPERSISTENT WALL CLOUD WITH FUNNEL VIEWED BY FIRE DEPT PERSONNEL.
Jun 26, 9:50 PM CDTTORNADO 01 Sw Caledonia, NDA TORNADO TRACKED FOR ABOUT A MILE TO NEAR CALEDONIA BY 953 PM CDT. SEVERAL TREE LIMBS WERE BROKEN DOWN AND A FEW SHINGLES WERE TORN OFF OF HOMES. PEAK WINDS ESTIMATED TO 80 MPH.

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

International Fa, MN (KINL), launched 00:00Z, 2.1 hours before the alert went out and 290 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 2009-06-27Temperature 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, International Fa, MN at 00:00Z on 2009-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2632 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
23 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 270206
TORFGF
MNC107-119-NDC097-270300-
/O.NEW.KFGF.TO.W.0017.090627T0206Z-090627T0300Z/

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN NORMAN COUNTY IN NORTHWEST MINNESOTA...
  SOUTHWESTERN POLK COUNTY IN NORTHWEST MINNESOTA...
  EASTERN TRAILL COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 1000 PM CDT

* AT 905 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES
  SOUTHEAST OF HILLSBORO...OR 35 MILES NORTH OF FARGO...MOVING TO THE
  NORTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  CALEDONIA AT 930 PM CDT...
  SHELLY AT 940 PM CDT...
  NIELSVILLE AT 950 PM CDT...

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 4768 9686 4758 9683 4754 9660 4729 9690
      4740 9719
TIME...MOT...LOC 0206Z 220DEG 16KT 4737 9701

$$

DK/JK
3 follow-up statements
000 
WWUS53 KFGF 270229
SVSFGF

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

MNC107-119-NDC097-270300-
/O.CON.KFGF.TO.W.0017.000000T0000Z-090627T0300Z/
NORMAN MN-TRAILL ND-POLK MN-
929 PM CDT FRI JUN 26 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
NORTHWESTERN NORMAN...SOUTHWESTERN POLK AND SOUTHEASTERN TRAILL
COUNTIES...

AT 929 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
NEAR HILLSBORO...OR 35 MILES SOUTH OF GRAND FORKS...MOVING TO THE 
NORTHEAST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  CALEDONIA BY 955 PM CDT...
  NIELSVILLE AND SHELLY BY 1000 PM CDT...

  INTERSTATE 29 BETWEEN MILE MARKERS 106 AND 107 AT 930 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 4768 9686 4758 9683 4754 9660 4729 9690
      4740 9719
TIME...MOT...LOC 0229Z 235DEG 18KT 4741 9705

$$

DK/JK
000 
WWUS53 KFGF 270250
SVSFGF

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

MNC107-119-NDC097-270300-
/O.CON.KFGF.TO.W.0017.000000T0000Z-090627T0300Z/
NORMAN MN-TRAILL ND-POLK MN-
950 PM CDT FRI JUN 26 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
NORTHWESTERN NORMAN...SOUTHWESTERN POLK AND NORTHEASTERN TRAILL
COUNTIES...

AT 949 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
2 MILES WEST OF CALEDONIA...OR 32 MILES SOUTH OF GRAND FORKS...MOVING
TO THE NORTHEAST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  CALEDONIA BY 955 PM CDT...
  NIELSVILLE AND SHELLY BY 1000 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 4746 9706 4768 9686 4758 9683 4754 9660
      4736 9681
TIME...MOT...LOC 0249Z 235DEG 18KT 4747 9693

$$

DK/JK
000 
WWUS53 KFGF 270257
SVSFGF

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

MNC107-119-NDC097-270307-
/O.EXP.KFGF.TO.W.0017.000000T0000Z-090627T0300Z/
NORMAN MN-TRAILL ND-POLK MN-
957 PM CDT FRI JUN 26 2009

...THE TORNADO WARNING FOR NORTHWESTERN NORMAN...SOUTHWESTERN POLK
AND NORTHEASTERN TRAILL COUNTIES WILL EXPIRE AT 1000 PM CDT...

DOPPLER RADAR INDICATED THE STORM WAS NO LONGER SEVERE AND SO THE
WARNING WILL BE ALLOWED TO EXPIRE AT 1000 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 4746 9706 4768 9686 4758 9683 4754 9660
      4736 9681
TIME...MOT...LOC 0257Z 235DEG 18KT 4749 9688

$$

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 WarningFGFPolk14 hr
Jun 26, 7:45 PM CDTTornado WarningFGFPolk60 min
Jun 26, 8:45 PM CDTSpecial Weather StatementFGFPennington, Polk60 min
Jun 26, 8:51 PM CDTTornado WarningFGFPolk39 min
Jun 26, 10:01 PM CDTSpecial Weather StatementFGFNorman59 min
Jun 26, 10:11 PM CDTFlash Flood WarningFGFNorman, Polk11 hr
Jun 27, 8:53 AM CDTAreal Flood WarningFGFMarshall, Norman, Pennington, Polk, Red Lake3 days
Jun 27, 9:57 AM CDTRiver Flood WarningFGFKittson6 days
Jun 27, 10:33 AM CDTRiver Flood WarningFGFPolk5 days
Jun 27, 10:33 AM CDTRiver Flood WarningFGFMarshall, Polk6 days
Jun 26, 9:32 PM CDTFlash Flood WarningFGFBenson, Eddy, Nelson, Ramsey, Towner, Walsh11 hr
Jun 26, 9:52 PM CDTRiver Flood WarningFGFWalsh5 days
Jun 27, 7:04 AM CDTAreal Flood WarningFGFCavalier, Towner5 hr
Jun 27, 7:55 AM CDTAreal Flood WarningFGFNelson, Walsh3 days
Jun 27, 10:10 AM CDTAreal Flood AdvisoryFGFBenson, Ramsey26 hr
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

Nearby

Tornado Warnings in Minnesota, 2009Tornado Warnings in North Dakota, 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.