28.5' - Major out of bank flow is expected near the river. The road will be impassable due to high water.
26' - Major out of bank flow is expected near the river. The water will be well over the road to the left of the bridge.
22' - Moderate out of bank flow is expected near the river. The water will overflow the road to the left of the bridge.
20' - Minor out of bank flow is expected near the river.