000
AXPZ20 KNHC 221521
TWDEP 

TROPICAL WEATHER DISCUSSION                                     
NWS NATIONAL HURRICANE CENTER MIAMI FL                           
1605 UTC MON APR 22 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...              
MONSOON TROUGH 6N78W TO 9N87W. ITCZ 9N87W 7N115W 5N125W TO
6N135W TO 5N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION
WITHIN 200 NM S OF AXIS FROM 102W-111W. NUMEROUS MODERATE TO
STRONG WITHIN 180 NM S OF AXIS FROM 120W-127W. SCATTERED
MODERATE TO STRONG WITHIN 80 NM S OF AXIS FROM 131W-136W. 

...DISCUSSION...                                                 
UPPER LEVEL CYCLONIC CIRCULATION OVER THE FAR NW PORTION OF THE
DISCUSSION AREA CENTERED NEAR 32N134W WITH TROUGH SE OF THE
CIRCULATION TO 25N128W TO 10N118W. MODERATE TO STRONG SUBSIDENCE
WITH DRY AND STABLE AIR AT THE MIDDLE AND UPPER LEVELS N OF 15N
W OF 115W AND N OF 25N E OF 115W. BROAD UPPER LEVEL RIDGE IS E
OF THE CYCLONIC CIRCULATION AND TROUGH. A 75-95 KT JETSTREAM
EXTENDS FROM CENTRAL BAJA CALIFORNIA INTO NORTHERN MEXICO.

SURFACE RIDGE IS N OF 15N W OF 115W WITH WINDS ACROSS THE ENTIRE
AREA 20 KT OR LESS. HOWEVER CROSS EQUATORIAL SW SWELL IS S OF 12N
BETWEEN 94W-110W.

$$
DGS