I received the following analysis of the recent rains
this morning from another list. As you can see, April
is not shaping up well at all.
An interesting comment on the current unprecedented
stormy pattern at
the bottom of today's Bay Area NWS forcast discussion.
For years
I've been a reader of the terse forecast discussions
that has become
a valuable education in California weather.
THE PERSISTENCE OF THIS PATTERN IS BECOMING QUITE
REMARKABLE. THE
COMPLETE LACK OF A HUDSON BAY LOW AND THE STRONG
POSITIVE ANOMALY
THAT HAS PERSISTED OVER GREENLAND HAVE ESSENTIALLY
BLOCKED SYSTEMS
FROM MOVING DUE EAST INTO CANADA AND FORCED THEM SOUTH
INTO THE US.
THE OTHER MAJOR ANCHOR FOR MAINTAINING THIS PATTERN
HAS BEEN THE
PERSISTENT BROAD UPPER RIDGE NEAR 160W. THIS HAS BEEN
SUPPORTED BY
THE ALMOST CONTINUOUS KONA LOW TYPE SYSTEMS THAT HAVE
PLAGUED
HAWAII FOR ALMOST TWO MONTHS. THE HEATING GENERATED BY
THE
PERSISTENT CONVECTION HELPS BUILD THE RIDGE TO THE
NORTH WHICH
AMPLIFIES THE DOWNSTREAM TROUGHS WHICH HAPPENS TO BE
THE SYSTEMS
THAT HAVE BEEN TRACKING INTO CALIFORNIA FOR OVER A
MONTH. FINALLY
THE CONVECTION OVER AUSTRALIA THAT HAS SUPPORTED
MULTIPLE TROPICAL
CYCLONES IS ALSO HELPING TO ANCHOR THE LONG WAVE
PATTERN. THE RIDGE
BUILDING NORTH OF THIS CONVECTION HAS AMPLIFIED THE
VERY DEEP
TROUGHS THAT HAVE BEEN DEVELOPING EAST OF JAPAN WHICH
HAS ALSO
HELPED BUILD THE BROAD LONG WAVE RIDGE DOWNSTREAM NEAR
160W.
UNTIL WE SEE ANY OF THESE THREE MAJOR ANCHOR POINTS
BREAK DOWN THE
UNUSUALLY WET AND COLD PATTERN FOR CALIFORNIA WILL
CONTINUE. RIGHT
NOW THIS LOOKS LIKE IT WILL CONTINUE INTO NEXT WEEK AT
LEAST.
--- Jim Bartolini <nytgems@pacbell.net> wrote:
> ...but only for "this" year........
>
> Jim ............. :-)
>
> =====================================
> Jim Bartolini nytgems@pacbell.net
> =====================================
> ----- Original Message -----
> From: Lumpy Darkness
> To: The Astronomy Connection
> Sent: Wednesday, March 29, 2006 5:35 PM
> Subject: Re: [TAC] winter, was H-!!
>
>
> On 3/29/06, Jim Bartolini <nytgems@pacbell.net>
> wrote:
> >
> > Not to worry, guys. You have all the time in
> the world; the DSO's aren't
> > going anywhere......... ;-)
> >
> >
> But the spring skies are...
>
Best regards,
Thomas
Thomas Taylor
tgtaylor7@yahoo.com
http://profiles.yahoo.com/tgtaylor7
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Received on Wed Mar 29 20:06:50 2006