000
AXPZ20 KNHC 211504
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1605 UTC FRI MAR 21 2014

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 FROM 7N78W TO 5N97W. ITCZ FROM 5N97W TO 6N110W TO 
5N121W TO 5N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION 
WITHIN 150 NM OF AXIS FROM 81W-85W.

...DISCUSSION...  

A BROAD UPPER LEVEL RIDGE OVER THE FAR WESTERN PORTION OF THE 
DISCUSSION AREA IS W OF 130W. STRONG SUBSIDENCE WITH DRY AND 
STABLE AIR AT THE MIDDLE AND UPPER LEVELS IS FROM 5N-25N W OF 
125W. AN 80-100 KT JETSTREAM ENTERS THE AREA NEAR 25N140W TO 
25N130W. AN UPPER LEVEL TROUGH IS S OF 27N BETWEEN 110W-125W. 
UPPER LEVEL DIFFLUENCE IS ENHANCING CONVECTION FROM 3N-10N 
BETWEEN 105W-122W.

IN THE DEEP TROPICS AN UPPER LEVEL ANTICYCLONIC CIRCULATION IS 
JUST INLAND OVER COLOMBIA CENTERED NEAR 3N76W WITH RIDGE 
EXTENDING FROM THE ANTICYLONE ACROSS CENTRAL AMERICA INTO MEXICO.

NLY 20-25 KT WINDS ARE BLOWING THROUGH THE GULF OF TEHUANTEPEC 
WILL DECREASE TO LESS THAN 20 KT LATER THIS AFTERNOON.

ELY WINDS CONTINUE TO BLOW THROUGH THE GULF OF PAPAGAYO AND ARE 
FORECAST TO CONTINUE THROUGH SUN.
 
$$
DGS