Alert archive / North Dakota / Tornado Warnings in 2005

Tornado Warning 72, NWS Grand Forks, ND

July 8, 2005Benson County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jul 8, 2005, 12:20 AM CDT for Benson County, North Dakota. It was in force for 55 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: Jul 8, 2005, 12:20 AM CDT (05:20 UTC)
Expired: Jul 8, 2005, 1:15 AM CDT
In force: 55 min
Issued by: NWS Grand Forks, ND
Area: Counties, with a storm outline in the text

County Benson County, ND

What was reported inside it

Time	Report	Where	Remark
Jul 8, 12:30 AM CDT	TSTM WND GST 60	6 E Leeds, ND	SOME TREE LIMB DAMAGE

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.

Issued	Product	Office	Lasted
Jul 7, 6:45 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 5.3 hours before the alert went out and 177 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: 2649 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 2032 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 199 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 080520
TORFGF
NDC005-080615-
/O.NEW.KFGF.TO.W.0072.050708T0520Z-050708T0615Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1220 AM CDT FRI JUL 8 2005

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN BENSON COUNTY IN NORTHEAST NORTH DAKOTA

* UNTIL 115 AM CDT

* AT 1214 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM WITH STRONG ROTATION 3 MILES NORTH OF FILLMORE...OR 43
  MILES WEST OF DEVILS LAKE...MOVING TO THE EAST AT 25 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  BAKER AT 1230 AM
  YORK AT 1235 AM
  HARLOW AT 1240 AM
  LEEDS AT 1250 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 200 AM CDT FRIDAY
MORNING FOR NORTHEAST NORTH DAKOTA.

LAT...LON 4834 9983 4791 9978 4791 9917 4835 9923

$$
GV/JDS

1 follow-up statement

000 
WWUS53 KFGF 080539
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1239 AM CDT FRI JUL 8 2005

NDC005-080615-
/O.CON.KFGF.TO.W.0072.000000T0000Z-050708T0615Z/
BENSON ND-
1239 AM CDT FRI JUL 8 2005

...A TORNADO WARNING CONTINUES UNTIL 115 AM CDT FOR WESTERN BENSON 
COUNTY...

AT 1235 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH STRONG ROTATION.  THE TORNADO WAS LOCATED 3 MILES
EAST OF YORK...OR 32 MILES NORTHWEST OF DEVILS LAKE...MOVING TO THE
EAST AT 35 MPH.

THE TORNADO WILL BE NEAR...
  8 MILES NORTH OF BRINSMADE BY 1250 AM CDT...

IF YOU ARE IN THE PATH OF A TORNADO THE SAFEST PLACE IS A BASEMENT.
GET UNDER A STAIRWAY OR A PIECE OF STURDY FURNITURE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FRIDAY
MORNING FOR NORTHEAST NORTH DAKOTA.

LAT...LON 4835 9975 4797 9965 4798 9922 4835 9923

$$
GV/JDS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 11:35 PM CDT	Severe Thunderstorm Warning	FGF	Towner	55 min
Jul 8, 12:00 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Cavalier, Ramsey	60 min
Jul 8, 12:10 AM CDT	Severe Thunderstorm Warning	FGF	Eddy	65 min
Jul 8, 12:27 AM CDT	Severe Thunderstorm Warning	FGF	Towner	38 min
Jul 8, 12:58 AM CDT	Severe Thunderstorm Warning	FGF	Nelson, Ramsey	62 min
Jul 8, 1:15 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy	62 min
Jul 8, 1:30 AM CDT	Severe Thunderstorm Warning	FGF	Griggs	63 min
Jul 8, 2:05 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson	57 min
Jul 8, 2:25 AM CDT	Severe Thunderstorm Warning	FGF	Barnes	66 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.