000
AXPZ20 KNHC 222154
TWDEP 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC MON JAN 22 2007

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS 
BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND 
METEOROLOGICAL ANALYSIS.

BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2145 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 3N78W 5N88W 8N103W 6N122W 4N130W 
4N140W. NO SIGNIFICANT CONVECTION IS NOTED.

...DISCUSSION...

WELL DEFINED UPPER LOW IS CENTERED OVER THE SONORA DESERT OF NW 
MEXICO NEAR 30N11W. ASSOCIATED TRAILING UPPER TROUGH EXTENDS 
FROM THE UPPER LOW SW TO NEAR 14N140W. S OF THE TROUGH 
AXIS...SATELLITE DERIVED WINDS SHOW SWLY JET WITH WINDS UP TO  
120 KT THROUGH SRN BAJA AND ACROSS NRN MEXICO. NRLY FLOW ON THE 
W SIDE OF THE UPPER LOW IS SUPPORTING DECENT COLD AIR ADVECTION 
ALONG THE BAJA COAST. AT THE SURFACE...COLD FRONT HAS PUSHED 
THROUGH BAJA TOWARD CABO CORRIENTES. WINDS WILL INCREASE OVER 
THE NORTHERN GULF OF CALIFORNIA AS THE COLDER AIR FILTERS SWD 
OVER SLIGHTLY WARMER WATERS...BRINGING FRESH NWLY WINDS TO SRN 
BAA WITHIN THE NEXT 24 TO 48 HOURS.

MODERATE TO FRESH GAP WINDS PERSIST OVER GULF OF PAPAGAYO AREA. 
THIS WILL PERSIST FOR THE NEXT SEVERAL DAYS DUE TO STRONG ELY 
FLOW OVER THE CARIBBEAN.

FURTHER W...SATELLITE IMAGERY IS SHOWING LARGE FIELDS OF 
STRATOCUMULUS EXTENDING OVER MUCH OF THE PACIFIC WATERS N OF 13N 
AND W OF 120W. AT THE SURFACE...MORNING SCATTEROMETER DATA SHOW 
FRESH TO STRONG TRADE WIND FLOW OVER MUCH OF THIS AREA S OF A 
1032 MB HIGH PRES CELL TO THE N.

$$
CHRISTENSEN