[AZ-Observing] Re: Clouds: Pick Your Poison

  • From: billferris@xxxxxxx
  • To: az-observing@xxxxxxxxxxxxx
  • Date: Thu, 11 Jun 2009 19:13:12 -0400

Flagstaff got its typical two-week stretch of clear, summer weather during 
the first half of May. Then the clouds and rain came. The last half of May 
featured typical monsoonal activity; clear in the morning, followed by 
increasing cloudiness and afternoon thundestorms. June hasn't seen as much rain 
but the clouds and cool weather have been constant. In all but name only, the 
summer monsoon started almost a month ago.
Bill in Flag

-----Original Message-----
From: tpolakis@xxxxxxx <tpolakis@xxxxxxx>
To: AZ-Observing@xxxxxxxxxxxxx
Sent: Thu, 11 Jun 2009 3:42 pm
Subject: [AZ-Observing] Clouds: Pick Your Poison



This afternoon's forecast discussion for the extended period (early next
eek) says:
"BOTH THE GFS AND ECMWF INDICATE THE MONSOON HIGH...CURRENTLY OVER CENTRAL
EXAS...MAY BEGIN PUSHING NORTHWARD...TRYING TO FIND ITS USUAL SUMMER HOME
PWARDS THE FOUR CORNERS REGION.
LOTS COULD HAPPEN BETWEEN NOW AND THEN...BUT SHOULD THE HIGH TAKE SUCH A
OSITION...THE RESULT WOULD BE A MORE MOIST SOUTHERLY FLOW...POSSIBLY
PENING THE GATES FOR THE ARIZONA SUMMER CONVECTIVE SEASON TO GET UNDER WAY.
HOWEVER...SHOULD THE WEST COAST LOW CUT OFF FURTHER EAST OVER AZ...OR
EMAIN AN OPEN WAVE ALONG THE WEST COAST...WE WOULD EXPECT CONTINUED BELOW
ORMAL TEMPS...BREEZY TO LOCALLY WINDY CONDITIONS OUT WEST...AND PERIODS OF
AINLY HIGH LEVEL CLOUDS RIGHT /IN OTHER WORDS...MORE OF THE SAME"

o the chances of the typically clearest month in Arizona being clear at
ll are looking slim.  We may proceed from Spring high cloudiness into
ummer monsoon humid
ity without a break.  If it's any consolation, the past
eek centered on Full Moon has been cloudy.
Tom
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