000
AXPZ20 KNHC 051510
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC WED SEP 05 2012

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS 
BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND 
METEOROLOGICAL ANALYSIS.

BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N86W TO 10N105W TO 9N130. ITCZ 9N130W TO 
9N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 
6N-10N BETWEEN 105W-113W.

...DISCUSSION...
UPPER LEVEL TROUGH OVER THE NW PORTION OF THE DISCUSSION ARE IS 
N OF 20N W OF 130W. STRONG SUBSIDENCE WITH DRY AND STABLE AIR AT 
THE MIDDLE AND UPPER LEVELS IS ACROSS THE AREA W OF 125W 
SUPPRESSING CONVECTION ALONG THE ITCZ. UPPER LEVEL ANTICYCLONIC 
CIRCULATION OFF THE W COAST OF BAJA CALIFORNIA CENTERED NEAR 
29N118W WITH RIDGE SW FROM THE ANTICYCLONE TO 20N130W. SE OF THE 
RIDGE AN UPPER LEVEL TROUGH EXTENDS FROM CENTRAL MEXICO  TO 
20N106W TO A BROAD CYCLONIC CIRCULATION NEAR 13N120W. 

A 1008 MB LOW PRES...THE REMNANTS OF JOHN... IS CENTERED NEAR
25N120W MOVING NW AROUND 20 KT. WINDS 20-25 KT ARE WITHIN 150 E 
AND 90 NM W SEMICIRCLES OF THE LOW. THE LOW WILL CONTINUE TO 
MOVE NW OVER THE COLD WATERS AND DISSIPATE.

A 1013 MB LOW PRES...THE REMNANTS OF ILEANA...IS NEAR 18N132W IS 
DRIFTING TO THE SW. WINDS 20-25 KT ARE WITHIN 90 NM NW QUADRANT 
OF THE LOW. THIS LOW IS EXPECTED TO DISSIPATE ON THU. OTHERWISE 
HIGH PRE RIDGE IS NW OF THE TWO LOWS.

$$
DGS