Rivers in Pennsylvania
Jordan Creek at Allentown
Below flood stage
1.60ftStage
Observed Wed, Sep 23, 6:45 AM EDT
- Flood stage
- 8.00 ft
- Forecast crest
- 1.50 ftWed, Sep 23, 8:00 AM EDT
- Record crest
- 11.82 ft2020
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 11.00 ft |
| Moderate flood | 10.00 ft |
| Minor flood | 8.00 ft |
| Action | 6.00 ft |
- 13.00 ftSeventh Street Bridge is flooded.
- 8.00 ftVillage Road in South whitehall is flooded.
- 7.10 ftRoute 309 in Whithall Township is closed due to flooding.
- 6.50 ftCovered Bridge Park begins to flood. Playground equipment and athletic fields at Jordan Park are submerged.
- 6.00 ftJordan Park begins to flood.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 9% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.
Crest history
13 crests on NOAA’s list since 1955.
| # | Date | Stage |
|---|---|---|
| 1 | August 5, 2020 | 11.82 ft |
| 2 | July 23, 1972 | 11.61 ft |
| 3 | September 9, 1987 | 10.91 ft |
| 4 | September 2, 2021 | 10.71 ft |
| 5 | October 19, 1996 | 8.01 ft |
| 6 | August 19, 1955 | 8.00 ft |
| 7 | September 18, 2004 | 7.90 ft |
| 8 | January 20, 1996 | 7.68 ft |
| 9 | January 19, 1999 | 7.25 ft |
| 10 | August 28, 2011 | 7.22 ft |
| 11 | January 28, 1996 | 7.15 ft |
| 12 | March 11, 2011 | 6.53 ft |
| 13 | September 8, 2011 | 6.10 ft |
Most recent crests
- September 2, 2021: 10.71 ft
- August 5, 2020: 11.82 ft
- September 8, 2011: 6.10 ft
- August 28, 2011: 7.22 ft
- March 11, 2011: 6.53 ft
- September 18, 2004: 7.90 ft
- January 19, 1999: 7.25 ft
- October 19, 1996: 8.01 ft
- January 28, 1996: 7.15 ft
- January 20, 1996: 7.68 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Middle Atlantic River Forecast Center. Forecasts are issued routinely year-round.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.