000
AXPZ20 KNHC 140905
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC SAT FEB 14 2009

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.

...ITCZ...
AXIS ALONG 7N77W 7N88W 2N95W 5N120W 2N140W. NO SIGNIFICANT 
CONVECTION.

...DISCUSSION...
MID/UPPER LEVEL TROUGH OVER THE NW PORTION OF THE DISCUSSION AREA
FROM 32N118W TO 26N140W. AN UPPER LEVEL RIDGE IS S OF THE TROUGH 
GENERALLY S OF 25N W OF 120W. ABUNDANT MID TO UPPER LEVEL 
MOISTURE IS MOVING THROUGH THE RIDGE. A 115-120 KT JET EXTENDS 
FROM 23N140W TO 27N130W WHERE THE WINDS INCREASE TO 140-150 KT
THE JET CONTINUES ACROSS CENTRAL BAJA CALIFORNIA THEN INTO 
NORTHERN MEXICO.

AN INVERTED UPPER LEVEL TROUGH IN THE DEEP TROPICS WITH AXIS 
FROM 10N116W TO THE EQUATOR AT 118W. UPPER LEVEL RIDGE EXTENDS 
FROM COLOMBIA ACROSS CENTRAL AMERICA TO THE YUCATAN PENINSULA 
THEN N INTO THE GULF OF MEXICO. STRONG SUBSIDENCE WITH DRY 
STABLE AIR COVERS THE AREA FROM 5N-25N E OF 120N...WITH MOSTLY 
CLEAR SKIES ACROSS THIS REGION.

SURFACE RIDGE WITH AXIS FROM 30140W TO 16N112W. BROKEN TO 
OVERCAST STRATOCUMULUS CLOUDS BLANKET THE AREA N OF 15N W OF 
110W.

$$
DGS