During the morning of the 30th, a large cluster of thunderstorms known as a Mesoscale Convective System (MCS) moved into Arkansas from the southwest.   The MCS weakened, leaving behind a Mesoscale Convective Vortex (MCV) or small area of circulation aloft.  During the afternoon, this MCV helped to trigger new storms and a few tornadoes.

Flash Flood in BOONE, ARKANSAS
From 30-JUL-09 13:00:00 to 30-JUL-09 15:00:00 (CST-6)
Location: HARRISON
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Newspaper

Trees and brush were washed down Crooked Creek and piled up against the Hudson Road bridge. The county road department had to use a grappling truck to clear out the brush pile-up.

Tornado in DALLAS, ARKANSAS
From 30-JUL-09 13:42:00 to 30-JUL-09 13:47:00 (CST-6)
Location: MT OLIVE
Tornado F-scale: EF1
Property damage: 15.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Dozens of trees were snapped off or blown down.  A few of the falling trees knocked down power lines.  No damage to structures was found.  The majority of the tree damage was in areas close to Arkansas Highway 9.

Tornado in ARKANSAS, ARKANSAS
From 30-JUL-09 14:23:00 to 30-JUL-09 14:46:00 (CST-6)
Location: ARKANSAS POST
Tornado F-scale: EF2
Property damage: 850.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado began in southeastern Arkansas County, northeast of Arkansas Post.  Initially, the tornado was weak and its track was mostly over open farm land.  The porch of an old mobile home, being used as a hunting camp, was torn off.  The tornado soon moved into the White River National Wildlife Refuge and intensified greatly.  The U.S. Fish and Wildlife Service estimated that 1750 acres of timber were destroyed within the refuge.  Most of these old-growth trees were snapped off.  Three families were camping at Jacks Bay in the refuge.  No one was injured, but the campers were unable to exit the refuge because Jacks Bay Road, the only road out of that section of the refuge, was blocked by fallen trees.  It took several hours for county, state, and federal crews to reopen the road.  Altogether, they had to cut trees off 2537 feet of roadway.  A few of the falling trees knocked down power lines.  The tornado crossed the White River, into Phillips County, east-northeast of Weber.
This tornado was destined to be one for the record books.  The total path length in Arkansas and Phillips counties was by far the longest tornado track ever recorded in Arkansas during the month of July.  Also, it was only the eighth tornado in Arkansas history to achieve a rating of F2/EF2 in the month of July.

Flash Flood in BAXTER, ARKANSAS
From 30-JUL-09 13:30:00 to 30-JUL-09 15:30:00 (CST-6)
Location: MOUNTAIN HOME
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Many locations were flooded north of Mountain Home.

Flash Flood in CLARK, ARKANSAS
From 30-JUL-09 10:15:00 to 30-JUL-09 14:15:00 (CST-6)
Location: HOLLYWOOD
Flood cause: Heavy Rain
Property damage: 125.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A portion of Arkansas Highway 53 South was flooded. A gas station on U.S. Highway 67 had to be closed due to minor flooding. A severe washout occurred on Old Gurdon Highway between Gurdon and Beirne, with at least 75% of the road surface washed away on one part of the road. A part of Vaden Road east of Curtis was washed away, as was a bridge on Mount Olive Road. Also, Cedar Grove Road was damaged, as was a bridge on Central Road. Terre Noire and Bell Creeks flooded Davidson Campground, causing people to move their campers and RVs to higher ground.

Tornado in LINCOLN, ARKANSAS
From 30-JUL-09 15:11:00 to 30-JUL-09 15:14:00 (CST-6)
Location: CUMMINS
Tornado F-scale: EF0
Property damage: 30.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

All of the damage from this tornado occurred on the farm at Cummins Prison, well away from the prison building itself.  A farm shop building had a metal door blown in and a metal wall peeled back.  Quite a few trees had large limbs torn off, and a few trees were uprooted altogether.