South Fork Roanoke River near Shawsville
Flood levels
Official flood levels at this gauge: action stage begins at 4.0 ft; minor flooding begins at 5.0 ft; moderate flooding begins at 7.0 ft; major flooding begins at 9.0 ft.
| Action stage | 4.0 ft |
|---|---|
| Minor flooding | 5.0 ft |
| Moderate flooding | 7.0 ft |
| Major flooding | 9.0 ft |
Highest recorded crests
- 11.1 ft on Jun 21, 1972 (historic crest)
- 9.3 ft on Sep 29, 2015 (historic crest)
- 9.3 ft on Sep 21, 1979 (historic crest)
- 9.2 ft on Oct 11, 2018 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 5.0 ft | Minor overbank flooding begins adjacent to the river. |
|---|---|
| 7.0 ft | Fields up and downstream from the gage are flooded. Water reaches the base of several elevated homes on Old Roanoke Road off of route 460. |
| 7.5 ft | Water over Old Roanoke Road off Route 460 between Shawsville and Lafayette. |
| 8.0 ft | Water reaches the base of the river gage. |
| 9.0 ft | Water reaches bottom of route 638 bridge upstream from the gage. |
| 9.5 ft | Flooding begins on portions of Alleghany Springs Road (Route 637) downstream from the gage. |
Forecast office: NWS Blacksburg · River Forecast Center: Southeast River Forecast Center.
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Nearby stations and gauges
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- Roanoke River at Lafayette NWS gauge · 7.3 mi
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