Newport Beach, California
As of 4:37 PM PST on February 9, 2010
Rest of Tonight...Showers and slight chance of thunderstorms in the evening...then showers likely and slight chance of thunderstorms overnight. Some thunderstorms may produce small hail. Lows 40 to 45. Light winds.
Wednesday...Partly cloudy. Chance of showers in the morning. Highs 56 to 61. Light winds. Chance of measurable precipitation 50 percent.
Wednesday Night...Mostly clear. Lows 43 to 49. Light winds.
5-day forecast | Marine forecast | Pollen forecast | Air Pollution
5-day forecast
Almanac
Key: T = Trace of precipitation; MM = data not available
Air pollution
EPA forecast for: Central Coastal
Detailed forecasts from the South Coast Air Quality Management District
Weather Search
Find the Weather for any City, State or ZIP Code, or Airport Code or Country Flash Flood Watch
Issued by the National Weather Service at 2:17 PM PST on February 9, 2010
... Flash Flood Watch remains in effect through late tonight...
The Flash Flood Watch continues for
* a portion of southwest California... including the following
areas... Orange County coastal areas... San Bernardino and
Riverside County valleys-the inland Empire and Santa Ana
Mountains and foothills.
* Through late tonight
* periods of moderate rainfall are expected through tonight on
top of soil nearly saturated from recent rainfall. Periods of
high intensity rainfall late this afternoon through tonight
from thunderstorms and heavier showers could increase the
potential for flash flooding.
Precautionary/preparedness actions...
A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.
You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.
In areas which have seen fires in recent years... debris flows
will be a threat during heavy rains.
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Special Weather Statement
Issued by the National Weather Service at 9:08 am PST on February 9, 2010
... A cold and vigorous storm system will impact southwest California
today through early Wednesday...
A cold... compact low pressure system will track southward just off
the California coast today... moving inland across northern baja
early Wednesday.
This system is expected to bring precipitation today with snow
levels near 4500 to 5000 feet.
The cold front is expected to move through southwest California late
this afternoon through early evening with numerous showers
continuing overnight and decreasing Wednesday. Thunderstorms with
small hail are also possible tonight through early Wednesday. Snow
levels will lower to around 4000 feet early this evening and 3000
feet late tonight through early Wednesday.
Snow levels this low will bring snow to the upper deserts and impact
travel most mountain passes. Snowfall of 8 to 16 inches is expected
above 6000 feet with locally greater amounts. Several inches of snow
are expected at 4000 feet at several mountain passes.
Rainfall amounts are expected to range from near 1 inch at the coast
to 1.5 to 2.5 inches on the coastal mountain slopes with local
amounts to 3.5 inches. Amounts in the deserts will reach one quarter
to one half inch.
Periods of heavy precipitation are possible tonight through early
Wednesday from thunderstorms and heavier showers which could
increase the runoff and flooding potential... especially for northern
areas nearly saturated from rainfall from last weekend. A Flash
Flood Watch is posted for these areas through tonight. In areas
which have seen fires in recent years... debris flows will be a
threat during heavy rains.
509 am PST Tue Feb 9 2010
... A cold and vigorous storm system will affect southwest California
through early Wednesday...
A cold... compact low pressure system will track southward just off
the California coast today... moving inland across northern baja
tonight.
This system is expected to bring increasing light to locally
moderate precipitation today with snow levels near 4500 to 5000
feet.
The cold front is expected to move through southwest California late
this afternoon through early evening with numerous showers
continuing overnight and decreasing Wednesday. Thunderstorms with
small hail are also possible tonight through early Wednesday. Snow
levels will lower to around 4000 feet early this evening and 3000 to
3500 feet late tonight through early Wednesday.
Snow levels this low could bring snow to the upper deserts and
impact travel on Interstate 15 through the Cajon Pass and Interstate
8 through the San Diego County mountains. Snowfall of 4 to 8 inches
is expected above 5000 feet today in the San Bernardino County
mountains today... with snowfall tonight through early Wednesday of 4
to 8 inches for all mountains from 4000 to 6000 feet... and 8 to 16
inches above 6000 feet with locally greater amounts.
Rainfall amounts are expected to range from near 1 inch at the coast
to 1.5 to 2.5 inches on the coastal mountain slopes with local
amounts to 3.5 inches. Amounts in the deserts of one quarter to one
half inch.
Periods of high intensity precipitation are possible tonight through
early Wednesday from thunderstorms and heavier showers which could
increase the runoff and flooding potential... especially for northern
areas nearly saturated from rainfall from last Friday night and
Saturday. A Flash Flood Watch is posted for these areas through
tonight. In areas which have seen fires in recent years... debris
flows will be a threat during heavy rains.
Martin
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 |
National Weather Service: Flash Flood Watch , Special Weather Statement |
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Forecast
As of 4:37 PM PST on February 9, 2010
Rest of Tonight...Showers and slight chance of thunderstorms in the evening...then showers likely and slight chance of thunderstorms overnight. Some thunderstorms may produce small hail. Lows 40 to 45. Light winds.
Wednesday...Partly cloudy. Chance of showers in the morning. Highs 56 to 61. Light winds. Chance of measurable precipitation 50 percent.
Wednesday Night...Mostly clear. Lows 43 to 49. Light winds.
5-day forecast | Marine forecast | Pollen forecast | Air Pollution
Radar
|
Regional conditions
|
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5-day forecast
| Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|
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 |
|
|
 |
| Chance of T-storms | Partly Cloudy | Partly Cloudy | Partly Cloudy | Clear |
| 58° | 45° | 56° | 49° | 59° | 49° | 58° | 49° | 65° | 52° |
Almanac
Key: T = Trace of precipitation; MM = data not available
|
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Air pollution
EPA forecast for: Central Coastal
| Current | Air Quality: Good | Pollutant: OZONE |
 | ||
| Wed | Air Quality: Good | Pollutant: NO2 |
| Wed | Air Quality: Good | Pollutant: OZONE |
Weather Search
Find the Weather for any City, State or ZIP Code, or Airport Code or Country Flash Flood Watch
Issued by the National Weather Service at 2:17 PM PST on February 9, 2010
... Flash Flood Watch remains in effect through late tonight...
The Flash Flood Watch continues for
* a portion of southwest California... including the following
areas... Orange County coastal areas... San Bernardino and
Riverside County valleys-the inland Empire and Santa Ana
Mountains and foothills.
* Through late tonight
* periods of moderate rainfall are expected through tonight on
top of soil nearly saturated from recent rainfall. Periods of
high intensity rainfall late this afternoon through tonight
from thunderstorms and heavier showers could increase the
potential for flash flooding.
Precautionary/preparedness actions...
A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.
You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.
In areas which have seen fires in recent years... debris flows
will be a threat during heavy rains.
Back to top
Special Weather Statement
Issued by the National Weather Service at 9:08 am PST on February 9, 2010
... A cold and vigorous storm system will impact southwest California
today through early Wednesday...
A cold... compact low pressure system will track southward just off
the California coast today... moving inland across northern baja
early Wednesday.
This system is expected to bring precipitation today with snow
levels near 4500 to 5000 feet.
The cold front is expected to move through southwest California late
this afternoon through early evening with numerous showers
continuing overnight and decreasing Wednesday. Thunderstorms with
small hail are also possible tonight through early Wednesday. Snow
levels will lower to around 4000 feet early this evening and 3000
feet late tonight through early Wednesday.
Snow levels this low will bring snow to the upper deserts and impact
travel most mountain passes. Snowfall of 8 to 16 inches is expected
above 6000 feet with locally greater amounts. Several inches of snow
are expected at 4000 feet at several mountain passes.
Rainfall amounts are expected to range from near 1 inch at the coast
to 1.5 to 2.5 inches on the coastal mountain slopes with local
amounts to 3.5 inches. Amounts in the deserts will reach one quarter
to one half inch.
Periods of heavy precipitation are possible tonight through early
Wednesday from thunderstorms and heavier showers which could
increase the runoff and flooding potential... especially for northern
areas nearly saturated from rainfall from last weekend. A Flash
Flood Watch is posted for these areas through tonight. In areas
which have seen fires in recent years... debris flows will be a
threat during heavy rains.
509 am PST Tue Feb 9 2010
... A cold and vigorous storm system will affect southwest California
through early Wednesday...
A cold... compact low pressure system will track southward just off
the California coast today... moving inland across northern baja
tonight.
This system is expected to bring increasing light to locally
moderate precipitation today with snow levels near 4500 to 5000
feet.
The cold front is expected to move through southwest California late
this afternoon through early evening with numerous showers
continuing overnight and decreasing Wednesday. Thunderstorms with
small hail are also possible tonight through early Wednesday. Snow
levels will lower to around 4000 feet early this evening and 3000 to
3500 feet late tonight through early Wednesday.
Snow levels this low could bring snow to the upper deserts and
impact travel on Interstate 15 through the Cajon Pass and Interstate
8 through the San Diego County mountains. Snowfall of 4 to 8 inches
is expected above 5000 feet today in the San Bernardino County
mountains today... with snowfall tonight through early Wednesday of 4
to 8 inches for all mountains from 4000 to 6000 feet... and 8 to 16
inches above 6000 feet with locally greater amounts.
Rainfall amounts are expected to range from near 1 inch at the coast
to 1.5 to 2.5 inches on the coastal mountain slopes with local
amounts to 3.5 inches. Amounts in the deserts of one quarter to one
half inch.
Periods of high intensity precipitation are possible tonight through
early Wednesday from thunderstorms and heavier showers which could
increase the runoff and flooding potential... especially for northern
areas nearly saturated from rainfall from last Friday night and
Saturday. A Flash Flood Watch is posted for these areas through
tonight. In areas which have seen fires in recent years... debris
flows will be a threat during heavy rains.
Martin
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