A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >
Eastern Region Headquarters
Regional Headquarters
"How to Interpret the Hydrologic Ensemble Forecast Service (HEFS) Short-Term Probabilistic Guidance" training materials at COMET (free registration required)
|
Map Last Updated:
|
| News Legend | ||||||
|
||||||
|
Map Legend
|
||||||
|
Chance of Exceedance
|
River Forecast Centers
|
|||||
|
30%
|
Level
|
70%
|
||||
 |
Action
|
 |
||||
 |
Minor Flood
|
 |
||||
 |
Moderate Flood
|
 |
||||
 |
Major Flood
|
 |
||||
 = less than 30% chance of reaching Action level |
||||||
 = no critical levels defined for this point |
||||||
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Eastern Region Headquarters
630 Johnson Ave., Ste. 202
Bohemia, NY 11716
631-244-0100
Comments? Questions? Please Contact Us.
