Following the tragic death of three Plum residents, the community is coming together to mourn on Facebook.

Kimberly Griffith, 45, and her two daughters Brenna, 12, and Mikaela, 8, drowned Friday evening inside their vehicle after flash flooding on Washington Boulevard—near Allegheny River Boulevard—in Pittsburgh.

As of 12:45 a.m. Sunday, the "R.I.P. Brenna, Mikaela, and Kimberly Griffith" page had 576 "likes." The page is filled with comments from family, friends, classmates and community members in memory of the victims.

Posts describe Kimberly as "a wonderful Mom, wife, daughter, sister & friend" who always had a smile on her face. Brenna is described as a "fine violin student" and Mikaela was loved by her friends.

According to the trio's obituary, they are survived by Kim's husband and Brenna and Mikaela's devoted father, Chris Griffith. They also are survived by Chris and Kim's daughter, Emily, and their son, Christian.

Family and friends will be received from 5 to 9 p.m. Monday and 1 to 4 and 6 to 9 p.m. Tuesday at the Jobe Funeral Home & Crematory in Turtle Creek. A funeral service will be held at 10 a.m. Wednesday at Murrysville Community Church with interment at Plum Creek Cemetery.

In lieu of flowers, memorial contributions can be made to a memorial fund at any S&T Bank in care of Christopher Griffith. 

Plum School District will offer grief counseling on Monday and Tuesday for students and families at Center Elementary School, Oblock Junior High School, and Plum High School. Brenna and Mikaela were students at Center Elementary School.

Kimberly Griffith was a nurse at Forbes Elementary School in the Penn Hills School District. According to the district website, she also accompanied several elementary students on district field trips.

Superintendent Thomas K. Washington issued the following statement:

"I would like to express our sadness over the recent tragedy involving a member of the Penn Hills School District family. My deepest sympathies go out to the family. They are in our thoughts and prayers.”

People also can offer condolences, thoughts, support and prayers for the Griffith family and the family of the fourth victim, Mary Saflin of Oakmont, on Patch.

See related stories on Plum-Oakmont Patch: Mother, Two Daughters from Plum Drown During Flash Flooding on Friday; Remembering the Local Victims of the Flash Flooding; Oakmont Woman Identified as Last Flood Victim; Lessons Learned From Friday's Flash-Flood Tragedy; Memorial at Center Elementary Grows; Funeral Arrangements Set for Mary Saflin of Oakmont; Plum-Oakmont Communities Coping After a Tragedy; PatchCast: Flood Tragedy, New Stores & Mylan Classic Announcement; Funeral Service for Flash Flood Victims Stresses Their Faith, Legacies; Services Held for Oakmont Flood Victim; Local Authorities Look to Prevent Future Flooding.