...FLOOD WATCH NOW IN EFFECT FROM 1 PM PDT THIS AFTERNOON THROUGH
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Portions of California and Nevada, including the following
areas, in California, Greater Lake Tahoe Area, Lassen-Eastern
Plumas-Eastern Sierra Counties, Mono County and Surprise Valley
California. In Nevada, Greater Lake Tahoe Area, Greater
Reno-Carson City-Minden Area and Northern Washoe County.
* WHEN...From 1 PM PDT this afternoon through Tuesday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Area creeks and streams are running high and could flood with
heavy rain. Extensive street flooding is also possible in
* ADDITIONAL DETAILS...
- Slow moving thunderstorms will produce areas of heavy
rainfall. Soils are already saturated with creeks, streams,
and rivers running full due to ongoing snowmelt. It will not
take as much rain to cause excessive runoff. Also, heavy
rainfall may lead to flash flooding and debris flows near
- There will be a break in thunderstorm activity overnight,
with showers and storms returning Tuesday afternoon/evening.
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.