Franklin storm history

A thunderstorm complex dropped up to 14 inches of rain on Franklin County from about Midnight to 6 am causing the worst flash flooding in county history. The rain fell at a rate of 3 inches an hour from about 2 to 3 am. A joint Federal-State Damage Assessment Team conducted for i…

A microburst caused minor damage at Sullivan Regional Airport. A small section of one hanger was removed with a door of a nearby hanger also sustaining damage. Also, one private aircraft sustained minor damage. The AWOS recorded a wind gust of 101 mph with this microburst. Furthe…

Between 6 and 9 inches of rain fell across Franklin County during a 2 day period. All of this rain caused the creeks and rivers to rise. The Meramec River, Bourbeuse River and Missouri River all went into major flood with several points cresting at record levels. Almost 415 struc…

Snow covered roads led to multiple accidents. Although only 2 to 3 inches of snow was reported, accidents caused several injuries and road closures led to long traffic delays.

Thunderstorm winds downed multiple trees along Spring Bluff Road and Highway 185. They also downed 2 limbs: an 8 inch diameter tree limb along Karen Ann Circle and a 10-12 inch diameter tree limb along George Street in Sullivan.

Thunderstorm winds downed numerous tree limbs 12 to 18 inches in diameter. A few trees were downed in an area from Grand Ave to Jefferson Ave north of 5th Street.

High temperatures in the upper 90s combined with high humidity to produce heat index values over 105 degrees for several days. The heat index peaked near 112 degrees.

Hot and extremely humid conditions led to heat index values over 105 degrees for a week. The heat index values peaked around 119 degrees.

Broadcast media from KSDK sent in a video of measured 2 inch hailstones.

A Washington School District official submitted a photo of half dollar size hail.

The Department of Highways and the public reported multiple inaccessible roads in Franklin County due to flooding. These include parts of Highway A and Highway YY due to side ditches overflowing and Highway CC due to Big Creek flooding over the road and onto the other side. Notab…

Wind gusts to near 60 mph caused minor damage across the county. A downed tree was reported blocking part of Route VV near Berger. A roof was severely damaged in Sullivan.

A mix of freezing rain, sleet, and snow fell through the morning of the 5th. After a brief break in the afternoon, more snow fell in the evening. A total of 4 to 6 inches of snow and sleet fell across the county. Up to 1.5 inches of this fell in the form of sleet along with one q…

Thunderstorm winds downed two trees 5 miles north of Gerald, which blocked Beemont School Road. The thunderstorm trekked northeast, snapping a tree just west-southwest of New Haven.

The largest hailstones were between 1.5 and 2 inches in diameter. These fell in Washington. 1 inch hailstones fell just east of New Haven.

Thunderstorm winds reportedly downed and snapped trees and large branches in and around Gray Summit and Pacific.

Medium to large tree branches fell along Route C between Port Hudson Lake Conservation Area and US 50 west of Leslie.

A large tree was reportedly snapped at its base. Other tree branches were reported to be down in Sullivan.

A swath of 1 to 1.75 inch hail was reported from Sullivan to Lonedell. Other cities include Stanton, Anaconda, St. Clair, Piney Park, and Mount Hope.

Multiple sources including the Department of Highways, law enforcement, and emergency management reported flooding in and around Sullivan, Stanton, Gerald, and Piney Park. Reports include water running over over roadways and deep pooling in yards in Sullivan and in the Melody Lak…

A large tree was uprooted near Sullivan. In the same area, there was roof damage to a home including damage to the eaves and lifted shingles on one corner of the roof.

There were reports of multiple downed trees and large branches in Washington impacting homes and power lines. AWOS at Washington Regional Airport reported a 72 mph gust at the time.

Wind chill values dropped to as low as 29 below zero with the coldest values during the nighttime hours.

A discrete thunderstorm produced sub-severe hail in Warren County before crossing the border into Franklin County and dropping quarter sized hail between Washington and Pacific.

A period of very hot and extremely humid weather began on Sunday, August 20 and lasted through Friday, August 25. The combination of heat and humidity led to heat index values of 115 to 125 as reported by numerous observation sites in the region.