000
AXPZ20 KNHC 250926
TWDEP 

TROPICAL WEATHER DISCUSSION                                     
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
1005 UTC WED MAR 11 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...
 
MONSOON TROUGH FROM 4N92W TO A 1013 MB LOW NEAR 4N97W TO 4N110W. 
ITCZ FROM 4N110W TO 7N130W TO 4N140W. SCATTERED MODERATE 
ISOLATED STRONG CONVECTION WITHIN 180 NM N OF AXIS FROM 120W TO 
126W.

...DISCUSSION... 

AN UPPER LEVEL SHORTWAVE TROUGH ACROSS THE NW PORTION OF THE 
AREA EXTENDS FROM 32N131W TO 20N140W. A BROAD UPPER LEVEL RIDGE 
IS N OF 20N BETWEEN 120W-130W. A BROAD UPPER LEVEL TROUGH IS E 
OF THE RIDGE N OF 20N...WITH THE FLOW BEING MOSTLY ZONAL. IN THE 
DEEP TROPICS AN UPPER LEVEL TROUGH EXTENDS FROM 15N98W TO THE 
EQUATOR AT 91W. AN UPPER LEVEL ANTICYCLONIC CIRCULATION IS 
CENTERED OVER PANAMA.

A SURFACE RIDGE IS N OF 11N W OF 110W. NW SWELL FROM 8N-15N W OF 
125W...WITH SEAS TO 9 FT. THE SWELL WILL SUBSIDE TO LESS THAN 8 
FT WED NIGHT. ALSO NW SWELL TO 9 FT IS NEAR THE COAST OF BAJA 
CALIFORNIA...N OF 25N BETWEEN 115W-123W. THE SWELL WILL CONTINUE 
TO THU THEN SUBSIDE THU NIGHT. CROSS EQUATORIAL SW SWELL IS S OF 
2N BETWEEN 1002-120W WILL SPREAD NNE THE NEXT 48 HOURS.

$$ 
DGS