000
AXPZ20 KNHC 130914
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC MON OCT 13 2008

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W. 

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...TROPICAL WAVE...
TROPICAL WAVE N OF 12N ALONG 96W MOVING W AT 10-15 KT. NO 
SIGNIFICANT CONVECTION IS NOTED WITH THIS WAVE.

...ITCZ...
AXIS EXTENDS FROM 8N83W 7N90W 10N105W 8N120W 7N140W. SCATTERED 
MODERATE TO STRONG CONVECTION WITHIN 180 NM N OF AXIS FROM 
85W-93W AND WITHIN 240 NM S OF THE AXIS FROM 98W-104W AND WITHIN 
100 NM EITHER SIDE OF AXIS FROM 106W-112W AND WITHIN 150 NM S OF 
AXIS FROM 129W-134W. 

...DISCUSSION...
UPPER LEVEL TROUGH OVER THE FAR NW PORTION OF THE AREA WITH AXIS 
FROM 32N140W TO 17N138W WITH UPPER LEVEL RIDGE E OF THE TROUGH 
FROM 32N130W TO 23N128W. EXCEPT FOR SOME HIGH LEVEL MOISTURE N 
OF 28N W OF 130W MODERATE TO STRONG SUBSIDENCE WITH DRY STABLE
AIR AT THE MID TO UPPER LEVELS OF THE ATMOSPHERE COVERS THE AREA
N OF 15N W OF 110W. DEEP LAYER TROUGH EXTENDS FROM A CYCLONIC
CIRCULATION OVER NORTHERN UTAH ACROSS NORTHERN BAJA CALIFORNIA
TO 26N120W. LARGE UPPER LEVEL ANTICYCLONIC CIRCULATION CENTERED 
OVER S CENTRAL TEXAS WITH RIDGE ACROSS NORTHERN MEXICO INTO THE 
PACIFIC TO NEAR 18N112W. ABUNDANT TROPICAL MOISTURE CONTINUES S 
OF THE RIDGE E OF 115W. ANOTHER ANTICYCLONIC CIRCULATION IN THE 
TROPICAL PACIFIC IS CENTERED NEAR 17N122W.

THE SURFACE HIGH N OF THE AREA HAS WEAKENED SLIGHTLY AND ELY 
WINDS ACROSS THE N PORTION OF THE AREA HAVE ALSO DECREASED 
SLIGHTLY. THE REMNANT LOW OF ODILE IS CENTERED NEAR 19N105W 1008 
MB. ONLY A FEW SHOWERS ARE WITHIN 60 NM OF THE LOW CENTER.


$$
DGS