California Weather Forecast: Storm causes massive flooding

By on Dec 23, 2010 in Current Events, United States, Weather, World Comments
Photo credit: News-worthy.info

In what seems to be a La Nina weather effect, a Southern California storm has brought down a huge amount of rain that flooded the streets and prompted residents to evacuate their homes, according to international weather news updates on Thursday, December 23, 2010. California authorities are now on alert for possible landslide brought about by the heavy downpour. The amount of rain dumped over Los Angeles in a span of one week has hit half of the annual rainfall that the area is experiencing for the whole year.

The record volume of rain over Southern California is causing concern that the weather problem may affect other parts of the United States (US).

Other US areas that has been experiencing heavy rainfall are nearby Arizona, Nevada and Utah. This prompted authorities to issue flood warnings and emergency orders.

The weather disturbance is expected to be in New Mexico by Thursday and the Gulf Coast area during the weekend.

Governor Arnold Schwarzenegger already declared a state of emergency even before the storm reached California due to heavy rains and reported mudlides in Laguna Beach, California. According to earlier reports, there are about 25 to 30 people who were evacuated from their residences in Silverado Canyon, Orange County.

The rainfall is estimated to be at 1in (2.5cm) per hour, caused landslide in the area of Interstate 10 that affected three lanes near the city of Pomona.

Two creeks have overflowed in the Highland, some 65 miles (104km) east of Los Angeles.

There were 232 homes near a large hillsides in La Canada Flintridge and La Crescenta, in the outskirts of LA.

Here is the latest Storm Summary Message from the The Hydrometeorological Prediction Center of National Oceanic and Atmospheric Administration‘s (NOAA):

STORM SUMMARY NUMBER 17 FOR WESTERN U.S. HEAVY PRECIPITATION EVENT
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
700 PM PST WED DEC 22 2010

…MAJOR HEAVY RAIN AND MOUNTAIN SNOW EVENT BEGINS TO WIND DOWN
ACROSS THE WESTERN U.S. AS THE LAST OF A SERIES OF MOISTURE-LADEN
PACIFIC STORMS MOVES INLAND…

FLOOD AND FLASH FLOOD WATCHES…WARNINGS…AND ADVISORIES CONTINUE
TO BE IN EFFECT ACROSS SOUTHERN CALIFORNIA…WESTERN
ARIZONA…SOUTHERN NEVADA…AND EXTREME SOUTHWESTERN UTAH.

WINTER STORM WARNINGS…WATCHES…AND WINTER WEATHER ADVISORIES
ARE IN EFFECT FOR THE SOUTHERN PART OF THE SIERRA NEVADA…AS WELL
AS THE HIGHER ELEVATIONS OF UTAH…ARIZONA…COLORADO…AND NEW
MEXICO. WINTER WEATHER ADVISORIES ARE IN EFFECT FOR PARTS OF
SOUTHERN WASHINGTON STATE AND NORTH-CENTRAL IDAHO. IN
ADDITION…FREEZING RAIN ADVISORIES HAVE BEEN ISSUED FOR A SMALL
PORTION OF SOUTHERN WASHINGTON AND NORTHERN OREGON.

FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES…WARNINGS AND ADVISORIES…PLEASE SEE WWW.WEATHER.GOV

AT 600 PM PST…NATIONAL WEATHER SERVICE RADARS AND SURFACE
OBSERVATIONS CONTINUE TO INDICATE AREAS OF LIGHT TO MODERATE
RAIN…LOCALLY HEAVY…MOVING ACROSS PARTS OF SOUTHERN
CALIFORNIA…SOUTHERN NEVADA INTO ARIZONA AND UTAH. SCATTERED
AREAS OF LIGHT RAIN AND SNOW WERE OCCURRING ACROSS THE
INTERMOUNTAIN WEST AS FAR NORTH AS THE EASTERN PART OF WASHINGTON
STATE INTO NORTHERN IDAHO.



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