000
AXPZ20 KNHC 080955
TWDEP 

TROPICAL WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC WED JUN 08 2011

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 
0845 UTC.
 
...SPECIAL FEATURE...
TROPICAL STORM ADRIAN CENTERED AT 12.0N 100.9W AT 08/0900 UTC 
MOVING NW OR 305 DEGREES AT 4 KT.  MINIMUM CENTRAL PRESSURE... 
1000 MB.  MAXIMUM SUSTAINED WINDS 50 WITH GUSTS TO 60 KT.  SEE 
LATEST NHC ADVISORY UNDER AWIPS/WMO HEADERS MIATCPEP1/WTPZ21 
KNHC FOR MORE DETAILS.  BANDS OF DEEP CONVECTION HAS WRAPPED 
AROUND CENTER WITHIN 120 NM OF ADRIAN CENTER EXCEPT 180 NW 
QUADRANT.  SURROUNDING CONDITIONS REMAIN VERY FAVORABLE FOR 
FURTHER DEVELOPMENT AND ADRIAN EXPECTED TO BECOME HURRICANE
TODAY OR TONIGHT.

...ITCZ/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 15N93W TO 14N98W...CONTINUES FROM 
11N102W TO 10N108W THEN CONTINUES AS ITCZ TO 04N140W.  SCATTERED 
MODERATE WITHIN 90 NM OF AXIS AT 120W AND FROM 132W TO 135W. 

...DISCUSSION...
E TO W RIDGE ALONG 10N MAINTAINS STEADY ANTICYCLONIC FLOW ACROSS 
MOST OF BASIN.  RIDGE CREST ALONG 108W ENHANCES FAVORABLE 
ENVIRONMENT FOR T.S. ADRIAN DEVELOPMENT LATER TODAY AS IT 
PROVIDES LOW WIND SHEAR AND MODERATE TO STRONG UPPER LEVEL 
DIVERGENT FLOW.  WARM SEA SURFACE TEMPERATURES...ABOVE 30 C...
ALSO HELP PROVIDE ENERGY TO SYSTEM.  

...AT THE SURFACE...
HIGH PRES CENTER 1032 MB WELL NW OF AREA HAS RIDGE EXTEND TO 
18N110W PROMPTING FRESH NW WINDS ALONG BAJA CALIFORNIA COAST E 
OF 116W.  ASSOCIATED NORTHERLY SWELLS SPREAD SE INTO BASIN N OF 
10N W OF 110W AND MIX WITH SOUTHERLY SWELLS MOVING ACROSS 
EQUATOR PROPAGATING NE.  SWELL TRAINS REMAIN THROUGH FORECAST 
PERIOD.

$$
WALLY BARNES