000
AXPZ20 KNHC 050318
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC MON JUN 05 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.

...SPECIAL FEATURE...
TROPICAL DEPRESSION TWO-E NEAR 16.4N 99.0W OR ABOUT 70 MILES OR 
110 KM EAST-SOUTHEAST OF ACAPULCO MEXICO AT 0300 UTC.  ESTIMATED 
SURFACE PRESSURE IS 1008 MB...AND MOTION EAST AT 8 KT.  THE 
PRIMARY THREAT IS HEAVY RAINFALL. SEE LATEST NHC 
FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS MIATCPEP2/WTPZ32 KNHC 
AND MIATCMEP2/WTPZ22 KNHC FOR MORE DETAILS.
 
...TROPICAL WAVES...
TROPICAL WAVE ALONG 95W FROM 3N TO 14N AND IS MOVING W 12 KT. 
CONVECTION HAS DIMINISHED.  STRONG NE WINDS ALOFT NOT CONDUCIVE 
TO DEVELOPMENT. 

..ITCZ...
INTERTROPICAL CONVERGENCE ZONE IS CENTERED ALONG...4N76W 10N100W 
5N140W. SCATTERED MODERATE CONVECTION IS WITHIN 45 NM OF THE 
POINT 7.5N79W.  SCATTERED MODERATE TO STRONG CONVECTION IS 
WITHIN 45 NM OF THE CENTRAL AMERICAN COAST FROM 82W TO 86W.
SCATTERED MODERATE WITH ISOLATED STRONG CONVECTION IS WITHIN 60 
NM OF THE POINT 6.2N86.7W.

...DISCUSSION

UPPER LEVEL FEATURES...
FLAT PATTERN IS OVER THE AREA.

NORTH OF 20N EAST OF 130W BROAD CYCLONIC CIRCULATION IS OVER THE 
AREA.  UPPER LEVEL CIRCULATION IS CENTERED NEAR 27.1N114.4W AND 
IS MOVING WEST 10 KT.  SOME CLOUDINESS IS PRESENT OVER CENTRAL 
BAJA CALIFORNIA AND SOME ISOLATED CONVECTION IS OVER THE 
MOUNTAINS OF WESTERN MEXICO.  

A LOWER LATITUDE TROUGH IS OVER THE AREA SOUTH OF 20N WEST OF A 
LINE FROM 22N105.5W TO THE ITCZ NEAR 120W AND EXTENDS WEST TO 
130W.  DRY AIR IS OBSERVED IN THE MIDDLE AND UPPER LEVELS 
IMPLYING UPPER LEVEL SUBSIDENCE WITH THIS SYSTEM.

REMAINDER OF THE AREA I.E. THE NORTHWEST PART AND THE AREA EAST 
OF THE LINE FROM 22N105.5W TO THE ITCZ NEAR 120W...IS COVERED BY 
BROAD MIDDLE AND UPPER RIDGES.

SURFACE...
A GENERAL LOW PRESSURE PATTERN IS OVER THE AREA.  WEAK RIDGE IS 
OVER THE AREA NORTH OF 15N WEST OF 125W.  REMAINDER OF THE AREA 
IS A BROAD TROUGH.
  
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LL