000
AXPZ20 KNHC 060921
TWDEP 

TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC WED FEB 06 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 4N78W 8N85W TO 6N95W.ITCZ FROM 6N95W 7N105W TO 
5N140W. NO SIGNIFICANT CONVECTION.

...DISCUSSION...
UPPER LEVEL TROUGH ALONG THE BAJA CALIFORNIA COAST THEN SW TO 
20N115W TO 6N127W. AN UPPER LEVEL RIDGE IS BUILDING BEHIND THE 
THROUGH OVER THE FAR NW PORTION OF THE DISCUSSION AREA. A 95-100 
KT JETSTREAM OVER THE TOP OF THE RIDGE FROM 28N140W TO 30N130W 
TO 29N120W. MOSTLY WLY ZONAL FLOW N OF 20N E OF THE TROUGH. A 
TROUGH IN THE DEEP TROPICS WITH AXIS FROM 9N98W TO THE GALAPAGOS 
ISLAND. UPPER LEVEL MOISTURE WITHIN 400 NM E OF THE TROUGH 
OTHERWISE STRONG SUBSIDENCE WITH DRY AND STABLE AT THE MIDDLE 
AND UPPER LEVELS IS ACROSS THE OF THE REMAINDER OF THE 
DISCUSSION AREA. THE SUBSIDENCE HAS SUPPRESSED CONVECTION ALONG 
THE ITCZ AND MONSOON TROUGH.

NW SWELLS TO 10 FT CONTINUE N OF 20N W OF 135W. THE SWELLS WILL 
SPREAD TO SE OVER THE NEXT 48 HOURS.

$$
DGS