Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

The Pacific Streamline Analysis is a Forecast Chart produced by the National Weather Service located in Honolulu, Hawaii.

A streamline analysis is a depiction of the surface wind field. Streamlines are drawn parallel to the wind. Surface meteorological features are then analyzed and drawn on to the chart using weather symbols. For more information on what these weather symbols represent, see the Symbols & Test Chart below.

Public Forecast

Marine Forecast

Radar

Satellite

Area Forecast Discussion

Active Tropical Cyclones

Palau Sector

Yap Sector

Marianas Sector

Chuuk Sector

Pohnpei/Kosrae Sector

Marshall Islands Sector

GUM RSS Feed