Flood — Armstrong, Pennsylvania

2004-09-17 to 2004-09-18 · Armstrong, Pennsylvania

Wider weather episode

By 4 PM EDT on 17th, a courthouse was threatened by a mud slide in Kittanning; and numerous roads were flooded countywide, including Rte 66 between Ford City and Leechburg. By 11 PM, Bradys Bend had 5.7 inches of rain; and Red Bank Creek, on the border of Armstrong and Clarion counties, continued to flood. St Charles on the Red Bank Creek crested around 17.9 ft around dawn (flood stage 17). On the Clarion River, Cooksburg rose above flood stage (13 ft) at 2 AM EDT on 18th, crested 16.5 at 8 AM on 18th, and fell below flood stage 8 PM EDT 18th.The Allegheny River rose above flood stage 4 AM EDT 18th, and fell below flood stage by 9 PM EDT on 19th. Here are city, flood stage, crest, and time: Rimer (19 ft), 19.5 at 10 AM 18th; Mosgrove (19), 20.4 at 10 AM 18th; Kittanning (21), 22.2 at 9 AM EDT 18th; Freeport (23), 24.1 at 10 AM EDT on 18th. Crooked Creek at Idaho had a record crest of 19.33 ft at 8 AM on 18th (previous record 18.6). Buffalo Creek at Freeport had a record crest of 15.28 at 8 PM on 17th (previous record 13.6). Total of 56 structures damaged or destroyed, including 3 businesses and 1 church. (IVAN)

Source: NOAA Storm Events Database, event_id 5422646. Narrative written by the NWS forecast office that issued the report.