000
AXPZ20 KNHC 030307
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0605 UTC TUE FEB 03 2009

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

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.

...ITCZ...
AXIS ALONG 3N78W 3N105W 6N130W 6N140W. NO SIGNIFICANT 
CONVECTION.

...DISCUSSION...
MID/UPPER LEVEL RIDGE WITH AXIS FROM 32N130W TO 25N127W. 
MODERATE TO STRONG SUBSIDENCE IS N OF 20N FROM 125W-135N. SOME 
HIGH LEVEL MOISTURE APPROACHING THE FAR NW PORTION OF THE 
DISCUSSION AREA. A WEAK MID TO UPPER LEVEL TROUGH EXTENDS FROM  
32N125W TO 27N116W. AN 85-95 KT JET STREAM EXTENDS FROM 24N120W 
ACROSS SOUTHERN BAJA CALIFORNIA WHERE WINDS INCREASE 110-125W 
KT OVER NORTHERN MEXICO. BROKEN CIRRUS CLOUDS ARE WITHIN 200 NM 
S OF THE JET. STRONG SUBSIDENCE WITH DRY AIR AT THE MIDDLE AND 
UPPER LEVELS OF THE ATMOSPHERE COVERS THE DISCUSSION AREA S OF 
20N E OF 120W...AND HAS SUPPRESSED ANY CONVECTION ALONG THE 
ITCZ. UPPER LEVEL TROUGH IN THE DEEP TROPICS WITH AXIS FROM 
16N125W TO THE EQUATOR AT 118W.

SURFACE TROUGH IS ANALYZED ALONG THE ITCZ FROM 8N99W TO 1N102W. 
A 1009 MB LOW HAS DEVELOPED ALONG THE TROUGH NEAR 4N101W
OVERCAST LOW TOP CLOUDS WITH A FEW SHOWERS ASSOCIATED WITH THE 
TROUGH ARE FROM 2N-6N BETWEEN 99W-105W. BROKEN TO OVERCAST 
STRATOCUMULUS CLOUDS BLANKET THE AREA N OF 20N W OF 125W. COLD 
FRONT CURRENTLY MOVING ACROSS THE GULF OF MEXICO WILL CONTINUE 
TO MOVE S AND THE PRES GRADIENT WILL INCREASE OVER SOUTHERN 
MEXICO AND GALE FORCE WINDS ARE EXPECTED IN THE GULF OF 
TEHUANTEPEC WITHIN 24 HOURS.
       
$$
DGS