Alert archive / North Dakota / Tornado Warnings in 2005

Tornado Warning 73, NWS Grand Forks, ND

July 10, 2005Benson County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jul 10, 2005, 6:20 PM 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 10, 2005, 6:20 PM CDT (23:20 UTC)
Expired
Jul 10, 2005, 7:15 PM 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

TimeReportWhereRemark
Jul 10, 6:45 PM CDTHAIL 0.754 Se Esmond, NDSTRONG ROTATION IN CLOUDS AS THE PASSED OVERHEAD AROUND 640 PM

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
Jul 10, 5:15 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 11.3 hours before the alert went out and 159 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 2005-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1794 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, Bismarck Municip, ND at 12:00Z on 2005-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.1939Sfc1 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
1794 J/kg
Mixed-layer CIN
-424 J/kg
Mixed-layer LCL
1953 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
36 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 102320
TORFGF
NDC005-110015-
/O.NEW.KFGF.TO.W.0073.050710T2320Z-050711T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
620 PM CDT SUN JUL 10 2005

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

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

* UNTIL 715 PM CDT

* AT 614 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM WITH STRONG ROTATION 9 MILES SOUTH OF ESMOND...OR 43
  MILES WEST OF DEVILS LAKE...MOVING TO THE NORTHEAST AT 15 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  RURAL SOUTHWESTERN BENSON COUNTY AT 630 PM
  
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 MIDNIGHT CDT
MONDAY MORNING FOR NORTHEAST NORTH DAKOTA.

LAT...LON 4789 9980 4787 9961 4817 9940 4824 9970

$$

JA/DM
1 follow-up statement
000 
WWUS53 KFGF 102344
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
644 PM CDT SUN JUL 10 2005

NDC005-110015-
/O.CON.KFGF.TO.W.0073.000000T0000Z-050711T0015Z/
BENSON ND-
644 PM CDT SUN JUL 10 2005

...A TORNADO WARNING CONTINUES UNTIL 715 PM CDT FOR SOUTHWESTERN BENSON
COUNTY...

AT 640 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH STRONG ROTATION.  THE TORNADO WAS LOCATED 5 MILES
SOUTHEAST OF ESMOND...OR 39 MILES WEST OF DEVILS LAKE...MOVING TO THE
NORTHEAST AT 15 MPH.

THE TORNADO WILL BE NEAR...
  BAKER AND 6 MILES SOUTHWEST OF HARLOW BY 715 PM CDT...

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 MIDNIGHT CDT
MONDAY MORNING FOR NORTHEAST NORTH DAKOTA.

LAT...LON 4789 9980 4787 9961 4817 9940 4824 9970

$$

JCA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 6:30 PM CDTFlash Flood WarningFGFBenson, Towner15 hr

Nearby

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