Storm Chase Team Report
Storm Event 07-07-2012

1840 - Cemetery Hill Road - N 46.31205 degrees, W 117.95208 degrees, elevation 2,117 feet.  
           Contact rain, rain to the ground to the south of this location.  Thunder and lightening to
           the east of this location.  EMF detector indicates lightening strikes 12-24 miles.  

1842 - Severe weather warning from NWS for lightening strikes headed directly towards this location
           from the south.  Strikes of 6-12 miles on the EMF detector.

1843 - EMF indicating strikes of 0-6 miles out, lightening strikes just to the east of this location.

1844 - Columbia County under severe thunderstorm warning from NWS, to expire in approximately
            one hour.  Still getting more lightening strikes to the east of this location.   Rain bands now
            showing to the southwest.  Rain bands to the south of this location moving east.  EMF
            detector indicating strikes 0-6 miles out.  Storm is on us at this point.

1845 -  Based on real-time Doppler radar, moving our observation location to the southeast to the
            area of Covello Cemetery in an effort to stay ahead of the storm cell.

1905 - Now on Thronson Road near Covello Cemetery.  Elevation 2,583 feet.  N 46.39631 degrees,
            W 117.81316.  Wind out of the southwest at 8 mph.  

1908 - Team moved forward 1/4 mile.  Now at elevation 2,688 feet, N 46.39150 degrees, 
            W 117.81531.  Wind is out of the west and the east.  We are in the middle of a wind sheer.
            Wind is going back and forth between 8 mph and 9.8 mph.    Team Leader checked data
            logger and confirmed is recording temperature, humidity and baro data.  

1917 - Real-time Doppler radar showing indications of a possible hook south of Pomeroy, WA
            20 miles to the east of us.  We are changing our location in an effort to get a better view
            of the horizon in that area.  Cell is traveling from the south/southwest towards Pomeroy.

1918 -  Arrived at new observation location to the north, top of Morengo Grade overlooking the
            Tucannon.    Elevation 2,456 feet.  N 46.40624 degrees, W 117.76884 degrees.  Wind is
            directly out of the south at 5.6 mph.  

1920 - Moved 1/4 of a mile southeast of last location in order to get out from underneath power
            lines in the area.    Elevation 2,388 feet.  N 46.40880 degrees.  W 117.76544 degrees.  
            EMF detector reading lightening strikes 12-24 miles out due east of this location.  Rain
            line is presenting itself to the east of this location.  

1922 - Wind currently out of the south/southwest at 3.5 mph.  

1923 - Wind shift.  Now coming out of the east at 7 mph.  

1924 - Lightening strike to the south of this location close enough that we could feel the warm air
            blast off of it!

1925 - Wind has shifted again.  Now coming out of the southeast.  Team Leader believes this
            storm is turning back in on itself.  Now getting winds out of the southeast at 11 mph.  

1927 - Watching due east as indicated on Doppler radar.  We can see what appears to be a vortex
            of some kind in the area to the east indicated on Doppler.  Team Leader obtaining photo
            documentation for later analysis by Field Operations Manager Dave Davis.  We are looking 
            due east from our location towards Pomeroy, WA.  

1929 - Wind still coming out of the south/southeast at 9 mph.  

1932 - Wind still coming out of the south/southeast and it is building.  It’s now up to 11.3 mph.  

1937 -  Team has moved its position approximately one mile to the north of our last location.  
            Elevation 2,104 feet.  N 46.41394 degrees.  W 117.75379 degrees.  We are currently
            in the Morengo wind farm overlooking the Tucannon, looking east towards Pomeroy, WA.  
            The wind has shifted on us once again, out of the south/southeast at 9 mph.  

1939 - Extensive rain banding to the south of our location.  A very well structured wall cloud is
            present to the north of our location, stretching from east to west for several miles.  

1940 - Wind has shifted and is coming directly out of the east, building in intensity to 16.5 mph.
            The storm appears to be sucking in energy from the east to the west, building from a 
            visible storm cell over Pomeroy, WA.  We are seeing dissipation rain bands
            evident in between.  Still have a very well-defined wall cloud to the north of this location.
            It appears to be funneling energy from the cell to the east to a building cell to the west.  

1943 - Storm is continuing to build from the east to the west.  The wind is still directly out of the
            east, spiking from 12 to 17 mph.  

1946 - Just had a major pressure change.  Winds dieing down, the storm appears to be 
           dissipating rather rapidly.  The wall cloud to the north of this location is breaking down
           rather quickly.  

1953 - Chase team has cleared the field and returning to town to write storm report and download
           pictures for analysis.