000
AXPZ20 KNHC 270922
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC TUE JUN 27 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...TROPICAL WAVES...
TROPICAL WAVE ALONG 82W N OF 5N HAS BEEN MOVING W AT 12 KT THE 
PAST FEW DAYS. BROAD CYCLONIC TURNING NOTED ALONG THE WAVE AT 6N 
WITH SCATTERED MODERATE ISOLATED STRONG CONVECTION FLARING OVER 
AND ALONG BOTH COASTS OF COSTA RICA. 

TROPICAL WAVE ALONG 101.5W HAS MOVED W AT 10 KT THE PAST 24 
HOURS. SCATTERED MODERATE CONVECTION WITHIN 90 NM OF AXIS FROM 
6N TO 13N.

TROPICAL WAVE ALONG 112W FROM 6N TO 15N MOVING W AT 11 KT. 
ISOLATED MODERATE CONVECTION NOTED WITHIN 90 NM OF WAVE AXIS 
WITH CYCLONIC TURNING WITHIN THE ITCZ AT 10N.

TROPICAL WAVE ALONG 132W FROM 5N TO 14N MOVING W AT 12 KT THE 
PAST 24 HOURS. CYCLONIC TURNING NOTED ALONG THE WAVE AXIS AT 
NEAR 9N.

..ITCZ...
INTERTROPICAL CONVERGENCE ZONE IS ALONG THE LINE...5N77W 10N115W 
5N140W. SCATTERED MODERATE TO STRONG CONVECTION WITHIN 120 NM OF 
THE COAST OF COLOMBIA NORTH OF 3N.

...DISCUSSION...
UPPER LEVELS...
MIDDLE AND UPPER TROUGH IS NORTH OF 20N W OF 130W.  LITTLE 
CLOUDINESS AND NO WEATHER IS ASSOCIATED WITH THIS SYSTEM.  
ANOTHER MIDDLE AND UPPER TROUGH IS NEAR THE BAJA CALIFORNIA.  AN 
ASSOCIATED CYCLONIC CIRCULATION IS NEAR 31N121W.  LITTLE IN THE 
WAY OF CLOUDS OR WEATHER IS ASSOCIATED WITH THIS SYSTEM ALSO.

SOUTH OF 20N THE FLOW IS BROADLY CYCLONIC WITH A BROAD LOW 
PRESSURE REGION CENTERED ON THE EQUATOR FROM 95W TO 130W.  
OUTSIDE OF THE ITCZ REGION THIS AREA WEST OF 105W IS DRY IN THE 
MIDDLE AND UPPER LEVELS IMPLYING UPPER LEVEL SUBSIDENCE.  UPPER 
LEVEL MOISTURE ASSOCIATED WITH THE ITCZ IS FROM 5N TO 14N EAST 
OF ABOUT 133W.  EAST OF 105W THE UPPER FLOW IS DIFLUENT WITH 
AREAS OF MULTI LEVEL CLOUDS AND AREAS OF CONVECTION.

SURFACE...
BROAD RIDGE NORTH OF 15N W OF 110W.  ELSEWHERE BROAD TROUGH.
AREA OF OVERCAST STRATOCUMULUS IS NORTH OF 14N FROM 120W TO 132W 
FROM 15N TO 25N AND FROM 120W TO 130W N OF 25N. BROKEN CUMULUS 
IS W OF THIS AREA FROM 14N TO 25N.

GAPS WINDS...NE WINDS 20 TO 25 KT IN AND TO SW OF GULF OF 
TEHUANTEPEC THROUGH 48 HOURS.

$$
LL