000
AXPZ20 KNHC 081004
TWDEP 

TROPICAL WEATHER DISCUSSION                                     
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
1005 UTC WED APR 08 2015

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. 
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
          
THE ITCZ IS ALONG 02N95W 05N105W 03N130W BEYOND 05N140W. 
CONVECTIVE PRECIPITATION...NUMEROUS STRONG WITHIN 300 NM TO THE 
NORTH OF THE ITCZ TO THE WEST OF 136W. SCATTERED MODERATE TO 
ISOLATED STRONG FROM 03N TO 04N BETWEEN 88W AND 90W...WITHIN 90 
NM ON EITHER SIDE OF THE ITCZ BETWEEN 105W AND 111W...FROM 09N 
TO 11N BETWEEN 114W AND 116W...AND WITHIN 360 NM TO THE NORTH OF 
THE ITCZ BETWEEN 125W AND 134W. 

...DISCUSSION... 

A SURFACE RIDGE EXTENDS FROM A 1022 MB HIGH PRESSURE CENTER THAT 
IS NEAR 34N134W...THROUGH 32N131W...TO 27N126W TO 21N117W TO 
15N107W. A SECOND 1022 MB HIGH PRESSURE CENTER IS NEAR 30N146W. 
A COLD FRONT STILL IS TO THE NORTHWEST OF THE AREA...PASSING 
THROUGH 33N150W TO 29N163W.

EXPECT NORTHEAST 20 TO 25 KT TRADE WINDS AND 8 TO 9 FOOT SEA 
HEIGHTS...IN GENERAL AND OFF AND ON...FROM 06N TO 14N FROM 116W 
WESTWARD...FOR THE NEXT 48 HOURS.

A MIDDLE LEVEL TO UPPER LEVEL TROUGH PASSES THROUGH SOUTHERN 
CALIFORNIA TO 27N124W. A SECOND MIDDLE LEVEL TO UPPER LEVEL 
TROUGH PASSES THROUGH 34N140W TO 24N141W.

AN UPPER LEVEL ANTICYCLONIC CIRCULATION CENTER IS NEAR 11N112W. 
MIDDLE LEVEL TO UPPER LEVEL CYCLONIC WIND FLOW COVERS THE 
PACIFIC OCEAN TO THE NORTHWEST OF THE LINE FROM SOUTHERN BAJA 
CALIFORNIA BEYOND 17N140W. UPPER LEVEL ANTICYCLONIC WIND FLOW 
COVERS THE PACIFIC OCEAN FROM 94W TO THE BAJA CALIFORNIA-17N140W 
LINE. 

GAP WINDS...                                                     
THE GULF OF TEHUANTEPEC...A QUICK BURST OF NORTH WINDS FROM 20 
TO 30 KNOTS AND 8 FOOT SEA HEIGHTS WILL START AROUND 
SUNRISE...AND IT WILL STOP DURING THE MIDDAY HOURS.

THE GULF OF PAPAGAYO...EXPECT PULSES OF NORTHEAST WINDS 20 TO 25 
KNOTS...AND SEA HEIGHTS RANGING FROM 8 TO 9 FEET...FROM NOW 
UNTIL THE NEXT 18 HOURS UNTIL SUNSET. THE SAME CONDITIONS WILL 
RETURN DURING THE EARLY MORNING HOURS OF THURSDAY UNTIL 
SUNRISE...AND THEN RETURN AGAIN DURING THE EARLY MORNING HOURS 
OF FRIDAY.
 
THE GULF OF PANAMA...EXPECT NORTH TO NORTHEAST WINDS 20 TO 25 KT 
AND SEA HEIGHTS LOWER THAN 8 FEET FROM 04N TO 07N BETWEEN 79W 
AND 81W UNTIL THE SUNRISE HOURS. THESE CONDITIONS WILL WEAKEN 
AFTER THE SUNRISE HOURS.

THE GULF OF CALIFORNIA...EXPECT NORTHWEST WINDS 20 TO 25 KNOTS 
AND SEA HEIGHTS LOWER THAN 8 FEET FROM 24N TO 25N FROM 108W 
EASTWARD...DURING THE LATE NIGHT HOURS OF THURSDAY/THE EARLY 
MORNING HOURS OF FRIDAY.

$$
MT