000
AXPZ20 KNHC 071510
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC SAT FEB 07 2009

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

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

...ITCZ...
AXIS ALONG 4N77W 2N90W 6N140W. SCATTERED MODERATE ISOLATED 
STRONG 180 NM N OF AXIS FROM 112W-127W.

...DISCUSSION...
DEEP LAYER TROUGH EXTENDS FROM AN UPPER LEVEL CYCLONIC 
CIRCULATION OFF SOUTHERN CALIFORNIA COAST TO 32N123W 21N125W.
A FEW SHOWERS ASSOCIATED WITH THE TROUGH ARE N OF 28N BETWEEN 
118W-124W. AN UPPER LEVEL RIDGE IS BUILDING BEHIND THE TROUGH 
OVER THE FAR NW PORTION OF THE DISCUSSION AREA. A 95-110 KT JET 
STREAM EXTENDS FROM 25N133W 23N120W THEN NE ACROSS NORTHERN BAJA 
CALIFORNIA. UPPER LEVEL RIDGE IS ACROSS MEXICO. MODERATE TO 
STRONG SUBSIDENCE WITH DRY STABLE ARE COVERS THE AREA S OF 20N E 
OF 105W. SKIES ARE MOSTLY CLEAR ACROSS THIS AREA EXCEPT FOR 
BROKEN CLOUDS AND A FEW SHOWERS ALONG THE ITCZ.

DISSIPATING COLD FRONT EXTENDS FROM THE NORTHERN COAST OF BAJA 
CALIFORNIA NEAR 32N117W TO 27N119W THEN CONTINUES AS A TROUGH TO 
26N131W...WITH BROKEN STRATOCUMULUS CLOUDS N OF 15N W OF 115W.
STRONG PRES GRADIENT CONTINUES ACROSS CENTRAL AMERICA WITH GALE 
FORCE WIND THROUGH THE GULF OF PAPAGAYO...WHICH ARE EXPECTED TO 
DECREASE LATER TODAY.
  
$$
DGS