000
AXPZ20 KNHC 180310
TWDEP 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC THU JAN 18 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0245 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 3N78W 4N90W 3N100W 4N110W 5N120W 
5N130W 5N140W. SCATTERED MODERATE WITHIN 60 NM OF AXIS BETWEEN 
86W AND 93W.

...DISCUSSION...

AN UPPER TROUGH  EXTENDS FROM 32N121W TO A CYCLONIC CIRCULATION 
NEAR 24N134W. A RIDGE IS LOCATED  NW OF THE REGION IS PUSHING  
SUBSIDING DRY AIR BEHIND THE TROUGH. WINDS OF 80-100 KT ARE 
WITHIN A JET STREAM CORE SE OF THE TROUGH ABOUTN 150 NM EITHER 
SIDE OF LINE 18N124W 23N117W NEWD ACROSS SRN BAJA CALIFORNIA AND 
ACROSS NRN MEXICO INTO TEXAS. ABUNDANT MID AND UPPER LEVEL DEEP 
TROPICAL MOISTURE WITHIN ABOUT 800 NM SE OF THE JET STREAM IS 
BEING ADVECTED NEWD TOWARDS MUCH OF BAJA CALIFORNIA...MEXICO AND 
THE SRN AND E UNITED STATES.

AT THE SURFACE...A STRONG RIDGE CONTINUES TO CAUSE STRONG TRADES 
IN AREAS W OF 120W.
A GALE WARNING IS IN EFFECT FOR THE GULF OF TEHUANTEPEC. 
ELSEWHERE 25-30 KT OVER THE GULF OF PAPAGAYO WITH PERSISTING 
THROUGH FRI.

$$
TORRES