000
AXPZ20 KNHC 300949
TWDEP 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC TUE JAN 30 2007

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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0315 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 4N78W 6N95W 4N108W 4N120W 6N140W. 
ONLY ISOLATED MODERATE CONVECTION IS NOTED WITHIN 120 NM OF AXIS 
BETWEEN 89W AND 104W.
    
...DISCUSSION...

AN UPPER CYCLONE IS CENTERED NEAR 34N124W WITH AN UPPER TROUGH S 
TO A BASE NEAR 8N125W. A MOISTURE PLUME IS ROTATING THROUGH THE 
CYCLONE...WITHIN 120 NM EITHER SIDE OF LINE 29N130W 29N113W. 

A TROPICAL UPPER ANTICYCLONE IS AT 6N90W WITH A RIDGE EXTENDING 
N CRESTING OVER THE TENNESSEE VALLEY OF THE SE CONUS. ASSOCIATED 
UPPER DIFFLUENCE UNDER THE RIDGE IS ENHANCING ISOLATED SHOWERS 
ALONG THE ITCZ AS DESCRIBED ABOVE. THE RESULTANT DEBRIS 
MOISTURE IS TRAPPED WITHIN THE AREA FROM 6N TO 10N BETWEEN 103W 
AND 88W. A MOISTURE PLUME IS OBSERVED WITHIN 360 NM EITHER SIDE 
OF LINE 18N104W 32N76W. OTHERWISE THE UPPER LEVELS ARE DRY 
THROUGHOUT THE TROPICS W OF 106W AND S OF 16N E OF 106W.     

GAP WINDS...GALE FORCE WINDS HAVE DIMINISHED IN THE GULF OF 
TEHUANTEPEC AND WIND SHOULD CONTINUE TO WEAKEN TO LESS THAN 20 
KT BY 24 HOURS. NE WINDS OF 20-25 KT EXPECTED TO CONTINUE IN THE 
GULF OF PAPAGAYO THROUGH 48 HOURS. NLY WINDS TO 20 KT WILL 
CONTINUE OVER THE GULF OF PANAMA FOR ANOTHER 48 HOURS. 

$$
NELSON