Posted on 12/20/2010 12:30:37 PM PST by Ernest_at_the_Beach
..FLASH FLOOD WATCH IN EFFECT FROM NOON PST TODAY THROUGH WEDNESDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* FLASH FLOOD WATCH FOR A PORTION OF SOUTHWEST CALIFORNIA... INCLUDING THE FOLLOWING AREAS...APPLE AND LUCERNE VALLEYS... COACHELLA VALLEY...ORANGE COUNTY COASTAL AREAS...RIVERSIDE COUNTY MOUNTAINS...SAN BERNARDINO COUNTY MOUNTAINS...SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE... SAN DIEGO COUNTY COASTAL AREAS...SAN DIEGO COUNTY DESERTS... SAN DIEGO COUNTY MOUNTAINS...SAN DIEGO COUNTY VALLEYS AND SANTA ANA MOUNTAINS AND FOOTHILLS.
* A LARGE PACIFIC PLUME OF MOISTURE AHEAD OF AN ADVANCING TROUGH OF LOW PRESSURE IS EXPECTED TO BRING HEAVY RAINS AND THE POTENTIAL FOR AREAS OF SERIOUS FLOODING...
* FROM NOON PST TODAY THROUGH WEDNESDAY AFTERNOON
* RAINFALL RATES NEAR OR GREATER THAN ONE INCH PER HOUR ARE POSSIBLE AT TIMES...ESPECIALLY IN THE MOUNTAINS.
* EXCESSIVE RUNOFF MAY ALSO CAUSE FLOODING OF MOST STREAMS AND WASHES...AND ALONG LOW LYING AREAS ADJACENT TO MAJOR RIVERS.
* MUD AND DEBRIS FLOWS AREA ALSO POSSIBLE...ESPECIALLY BELOW STEEP TERRAIN AND AREAS WITH LITTLE TO NO VEGETATION.
* RUNOFF COMING OUT OF THE MOUNTAINS WILL FILL AND COULD OVERFLOW STREAMS ON THE DESERT SLOPES OF THE MOUNTAINS...THUS THE DESERTS ARE INCLUDED IN THIS FLASH FLOOD WATCH.
* STRONG THUNDERSTORMS COULD ACCOMPANY A COLD FRONT ON WEDNESDAY. WITH THE RAINFALL ALREADY RECEIVED...THIS ADDITIONAL SIGNIFICANT RAINFALL WILL CONTINUE THE THREAT OF MUD AND DEBRIS FLOWS... PARTICULARLY IN AND AROUND THE RECENT BURN AREAS.
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.
SPECIAL WEATHER STATEMENT FOR CENTRAL AND SOUTHERN CALIFORNIA
Friday December 17, 2010 | NWS
Its been a few years since we have had a good live storm watch thread. Wear your Rubbers.
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I'll pull some stuff across.
I think they should take out a few more flood control dams so that the rivers can run their natural course. It’s the environmental correct thing to do.
I think they should take out a few more flood control dams so that the rivers can run their natural course. It’s the environmental correct thing to do.
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Here are some websites
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GOES 14 Satellite of North America,tracking the
Storm at 22,000 miles up.
Full Disc/East
http://goes.gsfc.nasa.gov/goescolor/goeseast/overview2/color_lrg/latestfull.jpg
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Appalachians and Great Lakes Snow Conditions & Weather Map
(Change it to where you are!)
http://www.snow-forecast.com/maps/dynamic/appal
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Current Winds/Speeds/Direction
(Again,change it to your local)
http://www.intellicast.com/National/Wind/Current.aspx?location=USMI0545
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North American Radar Stations
U.S. NEXRAD and TDWR Radar Stations
http://www.wunderground.com/radar/map.asp
canopfor on December 12, 2010 at 7:50 PM
I wonder if the Central Valley will, at long last, get some rainwater. Not that it matters in wintertime.
All this water is too much at once. Can you imagine all the mud and slides this will create?
SoCal gets dumped on
Hey, they elected these people didn’t they? They deserve what they get from Brown.
They’re evacuating a town near Bakersfield this afternoon.
Two thousand people. I didn’t hear the name.
In the mountains of Malibu there were fewer rock slides than I expected, but things will change for the worse later today and tonight, as the heavier rain arrives.
Here's a snapshot of rain headed toward Malibu at 12:30PM - not what I'd call heavy just yet... just a few red-spots, and they move through very quickly, as this whole front is very fast-moving.
“....but when it pours, man it pours.”
Heavy rain predicted Tuesday and Wednesday.
The rain has been pretty much continuous here since Friday afternoon...very few breaks.
Calif. rain shatters records and more is coming (How ya doin' CA/NV/WA/OR FReepers?)
OH Man that old school LOL!
McFarland
I’m confused...is this caused by global warming, or if there was a drought would that be caused by global warming?
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