Thursday, December 16, 2010

Re: [californiadisasters] Re: Pineapple Express Headed To California

Yet even the "March Miracle" fit the pattern you describe, just that
"Jan-Mar" meant "Mar" that year.

We had the year where we nearly broke the all-time seasonal rainfall record
for downtown LA, but I don't remember which year or how that rainfall was
distributed across the calendar.

I also remember the year that there was a major brush fire in the hills
above Arcadia (LA Co, S edge of ANF) the week after Christmas, because we
had as yet had no rain. The next week we got rain, and Arcadia got serious
mudflow problems from the freshly-denuded hills. That year we got, IIRC,
near-average rainfall, starting in January.

It would be interesting to track down the records and see what the common
patterns are, and what they relate to. (However, not interesting enough that
I'll ever get around to it.)


----- Original Message -----
From: "Kim Noyes" <kimnoyes@gmail.com>
To: <californiadisasters@yahoogroups.com>
Sent: Thursday, December 16, 2010 8:57 AM
Subject: Re: [californiadisasters] Re: Pineapple Express Headed To
California


I have noted in recent years that when we get off to a strong start
rain-wise we tend to fizzle down the stretch no matter how promising the
start. What determines our having a good year or at least an average year
has little to do with October-December and everything to do with
January-March..... with the rare exception of cases like 1991's March
Miracle where it all happened inside a few weeks relatively late in the
season.

Kimmer

On Thu, Dec 16, 2010 at 8:52 AM, Vic <sactovic@yahoo.com> wrote:

>
>
>
> It's La Niña -- meaning below average season rainfall -- but not yet:
> downpour forecast beginning Thursday
> San Jose Mercury News-12/15/10
> By Mark Gomez
>
> Just last week, weather scientists with the National Weather Service said
> we're in a La Niña season, meaning there is a good chance the Bay Area
will
> see below average rainfall totals this season.
>
> It certainly won't seem that way this weekend.
>
> A series of storms packing strong winds is expected to pound the Bay Area
> beginning as early as tonight and could deliver as much as five inches of
> rain to the region, according to the National Weather Service.
>
> Simply put, it's going to be "really, really wet," said Diana Henderson, a
> forecaster with the National Weather Service.
>
> More:
> http://www.mercurynews.com/top-stories/ci_16870239?nclick_check=1
>
>
> --- In
californiadisasters@yahoogroups.com<californiadisasters%40yahoogroups.com>,
> newnethboy <kef413@...> wrote:
> >
> > Actually, this is kind of unusual.
> >
> > Although, technically,
> > ---------
> > Pineapple Express (also known as Pineapple Connection) is a
> non-technical,
> > shorthand term popular in the news media for a meteorological phenomenon
> > which is characterized by a strong and persistent flow of atmospheric
> > moisture and associated heavy rainfall from the waters adjacent to the
> > Hawaiian Islands and extending to any location along the Pacific coast
of
> > North America.
> > (Wikipedia)
> > ---------
> > Our "classic" SoCal Pineapple Express comes from south of HI and is
> > characterized by warm temps and quite a bit of rainfall.
> >
> > This episode is coming from north of HI and is giving us (so far) only a
> > "misting".
> >
> > Another unusual thing as I write is that the 0400 Jetstream report shows
> a
> > Ridge down the West Coast, yet a dip in the Jetstream so that we ought
to
> > have a Trough.
>
--
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