000
AXPZ20 KNHC 070830
TWDEP 

TROPICAL WEATHER DISCUSSION                                      
NWS NATIONAL HURRICANE CENTER MIAMI FL                           
1005 UTC SUN APR 07 2013

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 9N84W TO 6N92W. ITCZ AXIS FROM 6N92W TO 03N125W.
SCATTERED MODERATE ISOLATED STRONG CONVECTION 90 NM N AND 160 NM
S OF AXIS FROM 107W TO 115W.
 
...DISCUSSION...             
UPPER LEVEL TROUGH EXTENDS FROM NORTHERN BAJA CALIFORNIA TO
25N125W TO A CYCLONIC CIRCULATION NEAR 21N140W. MODERATE TO
STRONG SUBSIDENCE WITH DRY AIR AT THE MIDDLE AND UPPER LEVELS
IS ACROSS THE AREA N OF 20N W OF 120W. AN UPPER LEVEL RIDGE IS
N OF THE TROUGH AND CYCLONIC CIRCULATION W OF 125W. MOSTLY
ZONAL WESTLY UPPER LEVEL FLOW IS E OF THE TROUGH. IN THE DEEP
TROPICS AN UPPER LEVEL RIDGE EXTENDS FROM AN ANTICYCLONIC
CIRCULATION OVER PANAMA TO NICARAGUA.

SURFACE RIDGE IS N OF 15N W OF 114W. ELY WINDS 20-25 KT ARE
ALONG THE SOUTHERN PERIPHERY OF THE RIDGE FROM 10N-20N W OF
120W. THESE WINDS WILL DECREASE TO 20 KT OR LESS MON NIGHT
HOWEVER NW SWELL TO 11 FT WILL LINGER.

NLY WINDS 20-25 KT WILL CONTINUE ALONG THE COAST OF THE BAJA
CALIFORNIA PENINSULA THROUGH TUE.

$$
DGS