Alert archive / North Dakota / Tornado Warnings in 2009

Tornado Warning 7, NWS Grand Forks, ND

June 18, 2009Richland County, North Dakota; Wilkin County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 18, 2009, 6:15 PM CDT for Richland County, North Dakota; Wilkin County, Minnesota. It was in force for 37 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 18, 2009, 6:15 PM CDT (23:15 UTC)
Expired
Jun 18, 2009, 6:52 PM CDT
In force
37 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon

Counties Wilkin County, MN, Richland County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 165 km from the middle of the area, began a volume at 23:15 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 18, 6:29 PM CDTTSTM WND GST 583 W Tenney, MNPEAK WINDS NEAR TENNEY RWIS SITE ON HIGHWAY 75.

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 18, 1:50 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 11.3 hours before the alert went out and 205 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 12:00Z on 2009-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 725 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, Aberdeen, SD at 12:00Z on 2009-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
725 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
995 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
31 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 182315
TORFGF
MNC167-NDC077-190015-
/O.NEW.KFGF.TO.W.0007.090618T2315Z-090619T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
615 PM CDT THU JUN 18 2009

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA...
  THIS INCLUDES THE CITY OF WAHPETON...
  SOUTHERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 715 PM CDT

* AT 612 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES WEST OF
  WAHPETON...MOVING TO THE NORTHEAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  WAHPETON AT 625 PM CDT...
  BRECKENRIDGE AT 630 PM CDT...
  8 MILES NORTHWEST OF DORAN AT 640 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
THURSDAY EVENING FOR NORTHWESTERN MINNESOTA AND SOUTHEAST NORTH
DAKOTA.

&&

LAT...LON 4620 9629 4603 9629 4605 9678 4631 9673
TIME...MOT...LOC 2314Z 245DEG 10KT 4626 9666

$$

HOPKINS
2 follow-up statements
000 
WWUS53 KFGF 182339
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
639 PM CDT THU JUN 18 2009

MNC167-NDC077-190015-
/O.CON.KFGF.TO.W.0007.000000T0000Z-090619T0015Z/
WILKIN MN-RICHLAND ND-
639 PM CDT THU JUN 18 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR EAST
CENTRAL RICHLAND AND SOUTHERN WILKIN COUNTIES...

AT 639 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
2 MILES NORTHEAST OF BRECKENRIDGE...OR 2 MILES NORTHEAST OF
WAHPETON...MOVING TO THE NORTHEAST AT 10 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4620 9629 4603 9629 4605 9678 4631 9673
TIME...MOT...LOC 2339Z 245DEG 10KT 4629 9657

$$

HOPKINS
000 
WWUS53 KFGF 182352
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
652 PM CDT THU JUN 18 2009

MNC167-NDC077-190002-
/O.CAN.KFGF.TO.W.0007.000000T0000Z-090619T0015Z/
WILKIN MN-RICHLAND ND-
652 PM CDT THU JUN 18 2009

...THE TORNADO WARNING FOR EAST CENTRAL RICHLAND AND SOUTHERN WILKIN
COUNTIES IS CANCELLED...

AT 652 PM CDT...TORNADO MOVED OUT OF THE WARNED AREA IN SOUTHERN 
WILKIN AND EAST CENTRAL RICHLAND COUNTIES SO THE WARNING HAS BEEN 
CANCELLED.

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

LAT...LON 4620 9629 4603 9629 4605 9678 4631 9673
TIME...MOT...LOC 2352Z 245DEG 10KT 4630 9652

$$

HOPKINS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 1:54 PM CDTSpecial Weather StatementFGFRansom36 min
Jun 18, 2:18 PM CDTSpecial Weather StatementFGFPembina57 min
Jun 18, 2:23 PM CDTSevere Thunderstorm WarningFGFPembina52 min
Jun 18, 2:31 PM CDTSpecial Weather StatementFGFRansom29 min
Jun 18, 2:55 PM CDTSevere Thunderstorm WarningFGFCavalier65 min
Jun 18, 3:16 PM CDTSevere Thunderstorm WarningFGFPembina42 min
Jun 18, 3:22 PM CDTFlash Flood WarningFGFCavalier, Pembina18 hr
Jun 18, 3:23 PM CDTSevere Thunderstorm WarningFGFBarnes, Ransom41 min
Jun 18, 3:56 PM CDTSpecial Weather StatementFGFCavalier34 min
Jun 18, 4:05 PM CDTFlash Flood WarningFGFCavalier17 hr
Jun 18, 4:19 PM CDTSevere Thunderstorm WarningFGFCass, Ransom, Richland56 min
Jun 18, 4:26 PM CDTSevere Thunderstorm WarningFGFRansom, Sargent64 min
Jun 18, 4:28 PM CDTAreal Flood AdvisoryFGFBarnes, Cass, Ransom5 hr
Jun 18, 4:46 PM CDTSevere Thunderstorm WarningFGFCass, Richland59 min
Jun 18, 4:52 PM CDTTornado WarningFGFRichland53 min
Jun 18, 5:02 PM CDTSevere Thunderstorm WarningFGFRansom, Richland, Sargent58 min
Jun 18, 5:33 PM CDTTornado WarningFGFRichland57 min
Jun 18, 5:38 PM CDTTornado WarningFGFRichland52 min
Jun 18, 6:41 PM CDTAreal Flood AdvisoryFGFCavalier, Towner3 hr
Jun 18, 1:26 PM CDTSevere Thunderstorm WarningFGFOtter Tail64 min
Jun 18, 3:43 PM CDTSpecial Weather StatementFGFKittson32 min
Jun 18, 4:32 PM CDTSpecial Weather StatementFGFBecker28 min
Jun 18, 6:30 PM CDTTornado WarningFGFOtter Tail, Wilkin60 min
Jun 18, 6:50 PM CDTSevere Thunderstorm WarningFGFGrant55 min

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.