At 3:43 a.m. on Saturday, the National Weather Service issued an updated flood watch in effect until noon for Tompkins and Cortland counties.
The weather service adds, "Flash flooding caused by excessive rainfall continues to be possible."
"Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations," describes the weather service. "You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued."
Deciphering advisories, watches, and warnings: Understanding weather alerts
Flash flood warning: Take action!
A flash flood warning is issued when a flash flood is either imminent or already occurring. In flood-prone areas, it's crucial to move immediately to higher ground. A flash flood is a sudden