000
AXPZ20 KNHC 101522
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC TUE FEB 10 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 EQ AT 88W 2N100W EQ AT 110W 4N140W. SCATTERED 
MODERATE ISOLATED STRONG WITHIN 180 NM N OF AXIS FROM 115W-120W 
AND FROM 127W-131W.

...DISCUSSION...
WEAK TROUGH OVER THE FAR NW PORTION OF THE DISCUSSION AREA FROM
30N140W TO CYCLONIC CIRCULATION NEAR 27N139W CONTINUING TO 
23N135W. MULTI-LAYERED CLOUDS ARE FROM 16N-28N W OF 133W. BROAD 
UPPER LEVEL RIDGE EXTENDS FROM 32N128W TO ANTICYCLONIC 
CIRCULATION NEAR 7N119W. MID/UPPER LEVEL TROUGH WITH AXIS FROM 
SE ARIZONA TO ACROSS THE BAJA PENINSULA TO 25N115W. A 95-100 KT 
JET STREAM EXTENDS FROM 24N120W ACROSS SOUTHERN BAJA CALIFORNIA 
NEAR 25N112W INTO NORTHERN MEXICO WHERE WINDS INCREASE TO 120 KT.

A MIDDLE TO UPPER LEVEL RIDGE WITH AXIS FROM COLOMBIA NW THROUGH 
CENTRAL AMERICA INTO SOUTHERN MEXICO THEN N INTO THE GULF OF 
MEXICO. UPPER LEVEL TROUGH IN THE DEEP TROPICS FROM 15N108W TO 
THE EQUATOR AT 100W. STRONG SUBSIDENCE WITH DRY STABLE AIR 
COVERS THE AREA S OF 20N W OF 110W. SKIES ARE MOSTLY CLEAR 
ACROSS THIS AREA EXCEPT FOR BROKEN STRATOCUMULUS CLOUDS ALONG 
THE ITCZ.

COLD FRONT EXTENDS FROM SW NEW MEXICO ACROSS NW MEXICO TO THE 
BAJA CALIFORNIA NEAR 27N113W THEN DISSIPATING TO 23N122W. 
SCATTERED OVER NORTHERN MEXICO N OF 30N BETWEEN 108W-111W. 
SURFACE RIDGE WITH AXIS FROM 32N137W 15N110W. BROKEN/OVERCAST 
STRATOCUMULUS CLOUDS COVER THE AREA N OF 15N W OF 110W.

$$
DGS