000
AXPZ20 KNHC 112126
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC FRI AUG 11 2006

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 
2100 UTC.

...TROPICAL WAVES...

TROPICAL WAVE ALONG 101W FROM 2N TO 16N MOVING W 15 KT. THE WAVE 
HAS NO APPARENT SIGNATURE EXCEPT FOR A SLIGHT INFLECTION ALONG 
THE ITCZ AXIS. CONVECTION IS RELATED TO THE ITCZ.

TROPICAL WAVE ALONG 136W FROM 3N TO 16N MOVING W 15 KT. 
CONVECTION IS DIMINISHING IN SPITE OF THE FACT IT HAS GOOD 
TROPICAL WAVE SIGNATURE.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG...5N77W 9N105W 11N140W.
SCATTERED STRONG IN THE GULF OF PANAMA.
SCATTERED STRONG WITHIN 45 NM OF AXIS E OF 86W.
SCATTERED MODERATE TO STRONG WITHIN 90 NM OF 12.5N104.9W.

...DISCUSSION...

UPPER LEVELS...
MIDDLE AND UPPER LEVEL ANTICYCLONE IS CENTERED NW OF THE AREA 
WITH ASSOCIATED RIDGE BARELY IN THE AREA NORTH OF 28N WEST OF 
135W.  ANOTHER MIDDLE AND UPPER LEVEL ANTICYCLONE IS CENTERED 
OVER SOUTHERN NEW MEXICO AND WEST TEXAS AND EXTENDS OVER THE SEA 
OF CORTEZ AND THE NORTH PART OF MEXICO.

OTHERWISE BROAD WEAK TROUGH IS OVER THE AREA.

SURFACE...
MODERATE RIDGE IS NORTH OF 15N WEST OF 110W.  ELSEWHERE BROAD 
WEAK TROUGH.

OVERCAST STRATOCUMULUS IS NORTH OF 27N FROM 118W TO 132W.
ELSEWHERE BROKEN TO OCCASIONALLY SCATTERED STRATOCUMULUS IS 
NORTH OF THE ITCZ WEST OF 120W.

$$
LL