Alert archive / North Dakota / Tornado Warnings in 2009

Tornado Warning 18, NWS Grand Forks, ND

June 27, 2009Towner County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 27, 2009, 2:47 PM CDT for Towner County, North Dakota. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 27, 2009, 2:47 PM CDT (19:47 UTC)
Expired
Jun 27, 2009, 3:15 PM CDT
In force
28 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon

County Towner County, ND

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 27, 1:39 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 7.8 hours before the alert went out and 233 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 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, Bismarck Municip, ND at 12:00Z on 2009-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -66 square meters per square second.1939587897Sfc1 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
840 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-66 m²/s²
0-3 km storm-relative helicity
2 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 271947
TORFGF
NDC095-272015-
/O.NEW.KFGF.TO.W.0018.090627T1947Z-090627T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
247 PM CDT SAT JUN 27 2009

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN TOWNER COUNTY IN NORTHEAST NORTH DAKOTA...

* UNTIL 315 PM CDT

* AT 246 PM CDT...THE PUBLIC REPORTED A TORNADO 5 MILES NORTH OF CANDO
  ...OR 35 MILES NORTHWEST OF DEVILS LAKE...MOVING TO THE            
  SOUTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  5 MILES EAST OF CANDO AT 255 PM CDT...
  NEWVILLE AT 310 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 900 PM CDT
SATURDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

&&

LAT...LON 4859 9896 4840 9898 4852 9931 4868 9919
TIME...MOT...LOC 1947Z 298DEG 19KT 4857 9919

$$

DTR
2 follow-up statements
000 
WWUS53 KFGF 271959
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
259 PM CDT SAT JUN 27 2009

NDC095-272015-
/O.CON.KFGF.TO.W.0018.000000T0000Z-090627T2015Z/
TOWNER ND-
259 PM CDT SAT JUN 27 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR
SOUTHEASTERN TOWNER COUNTY...

AT 257 PM CDT...THE PUBLIC REPORTED NUMEROUS FUNNEL CLOUDS. THE 
FUNNELS WERE LOCATED 10 MILES 10 MILES NORTHWEST OF CANDO TO 5 MILES 
NORTHEAST OF CANDO...OR 32 MILES NORTH OF DEVILS LAKE...MOVING 
TO THE SOUTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  NEWVILLE BY 310 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
SATURDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

&&

LAT...LON 4859 9896 4840 9898 4852 9931 4868 9919
TIME...MOT...LOC 1958Z 298DEG 19KT 4854 9912

$$

DTR
000 
WWUS53 KFGF 272016
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
316 PM CDT SAT JUN 27 2009

NDC095-272025-
/O.EXP.KFGF.TO.W.0018.000000T0000Z-090627T2015Z/
TOWNER ND-
316 PM CDT SAT JUN 27 2009

...THE TORNADO WARNING FOR SOUTHEASTERN TOWNER COUNTY HAS EXPIRED...

DOPPLER RADAR INDICATED A SLIGHT WEAKENING IN THE STORMS OVER TOWNER 
COUNTY. IF THESE STORMS RE-INTENSIFY FUNNEL CLOUDS MAY FORM ONCE 
AGAIN.   

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
SATURDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4859 9896 4840 9898 4852 9931 4868 9919
TIME...MOT...LOC 1959Z 298DEG 19KT 4854 9911

$$

DTR

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, 7:45 PM CDTTornado WarningFGFGrand Forks, Steele, Traill60 min
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, 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 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; the sounding from the Mesonet's radiosonde archive.