Alert archive / North Dakota / Tornado Warnings in 2005

Tornado Warning 29, NWS Grand Forks, ND

June 20, 2005Richland County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 20, 2005, 9:30 AM CDT for Richland 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 20, 2005, 9:30 AM CDT (14:30 UTC)
Expired: Jun 20, 2005, 9:58 AM CDT
In force: 28 min
Issued by: NWS Grand Forks, ND
Area: Counties, with a storm outline in the text

County Richland County, ND

The radar

The Aberdeen radar (KABR), 140 km from the middle of the area, began a volume at 14:30 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 20, 5:20 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 2.5 hours before the alert went out and 175 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3072 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 921 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 201430
TORFGF
NDC077-201515-
/O.NEW.KFGF.TO.W.0029.050620T1430Z-050620T1515Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
930 AM CDT MON JUN 20 2005

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA

* UNTIL 1015 AM CDT

* AT 924 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM WITH STRONG ROTATION 6 MILES NORTHEAST OF NEW
  EFFINGTON...OR 26 MILES SOUTHWEST OF WAHPETON...MOVING TO THE EAST
  AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  LAMARS AT 940 AM
  BLACKMER AT 945 AM
  FAIRMOUNT AT 950 AM

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 1000 AM CDT
MONDAY MORNING FOR NORTHWESTERN MINNESOTA AND SOUTHEAST NORTH DAKOTA.

LAT...LON 4602 9695 4594 9694 4594 9672 4594 9657
      4609 9659

$$

GUST

2 follow-up statements

000 
WWUS53 KFGF 201448
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
948 AM CDT MON JUN 20 2005

NDC077-201515-
/O.CON.KFGF.TO.W.0029.000000T0000Z-050620T1515Z/
RICHLAND ND-
948 AM CDT MON JUN 20 2005

...A TORNADO WARNING CONTINUES UNTIL 1015 AM CDT FOR SOUTHEASTERN
RICHLAND COUNTY...

AT 944 AM CDT...THE PUBLIC REPORTED A POSSIBLE TORNADO.  THE TORNADO 
WAS LOCATED EAST OF HANKINSON NEAR HIGHWAY 11...OR 20 MILES 
SOUTH OF WAHPETON...MOVING TO THE EAST AT 15 MPH.

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 1000 AM CDT
MONDAY MORNING FOR NORTHWESTERN MINNESOTA AND SOUTHEAST NORTH DAKOTA.

LAT...LON 4602 9695 4594 9694 4594 9672 4594 9657
      4609 9659

$$

GUST

000 
WWUS53 KFGF 201458
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
958 AM CDT MON JUN 20 2005

NDC077-201508-
/O.CAN.KFGF.TO.W.0029.000000T0000Z-050620T1515Z/
RICHLAND ND-
958 AM CDT MON JUN 20 2005

...THE TORNADO WARNING FOR SOUTHEASTERN RICHLAND COUNTY IS
CANCELLED...

AT 958 AM CDT...THE TORNADO IN SOUTHEASTERN RICHLAND COUNTY HAS MOVED
OUT OF THE COUNTY. SO THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 AM CDT
MONDAY MORNING FOR NORTHWESTERN MINNESOTA AND SOUTHEAST NORTH DAKOTA.

LAT...LON 4602 9695 4594 9694 4594 9672 4594 9657
      4609 9659

$$

GUST

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 7:14 AM CDT	Severe Thunderstorm Warning	FGF	Ransom	61 min
Jun 20, 7:16 AM CDT	Severe Thunderstorm Warning	FGF	Sargent	59 min
Jun 20, 7:31 AM CDT	Flash Flood Warning	FGF	Ransom, Sargent	6 hr
Jun 20, 7:32 AM CDT	Severe Thunderstorm Warning	FGF	Barnes	58 min
Jun 20, 7:55 AM CDT	Severe Thunderstorm Warning	FGF	Cass	65 min
Jun 20, 8:12 AM CDT	Severe Thunderstorm Warning	FGF	Ransom	48 min
Jun 20, 8:15 AM CDT	Severe Thunderstorm Warning	FGF	Sargent	61 min
Jun 20, 8:24 AM CDT	Severe Thunderstorm Warning	FGF	Richland	66 min
Jun 20, 8:33 AM CDT	Severe Thunderstorm Warning	FGF	Barnes	23 min
Jun 20, 9:02 AM CDT	Severe Thunderstorm Warning	FGF	Cass	43 min
Jun 20, 9:38 AM CDT	Flash Flood Warning	FGF	Richland	12 hr

Nearby

Tornado Warnings in North Dakota, 2005 Every tornado warning in 2005 Tornadoes in 2005

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; radar from the NEXRAD Level II archive.