000
AXPZ20 KNHC 122126
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC SUN OCT 12 2008

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W. 

BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2115 UTC.

...TROPICAL LOWS...

THE REMNANTS OF TROPICAL DEPRESSION ODILE IS CENTERED NEAR 18.8N 
104.5W AT 2100 UTC AND IS DRIFTING NW. THE ESTIMATED MINIMUM 
CENTRAL PRESSURE IS 1007 MB. THE MAXIMUM SUSTAINED WIND SPEED IS 
25 KT WITH GUSTS TO 35 KT. ODILE COULD STILL PRODUCE ADDITIONAL 
RAINFALL AMOUNTS OF 1 TO 2 INCHES OVER PORTIONS OF SOUTHERN 
MEXICO. SEE THE LAST NHC FORECAST/ADVISORY UNDER AWIPS/WMO 
HEADERS MIATCMEP1/WTPZ21 KNHC FOR MORE DETAILS.

A 1010 MB SURFACE LOW IS ANALYZED NEAR 12N123W MOVING W AT 10 
KT. ASSOCIATED CONVECTION HAS ALMOST COMPLETELY DISSIPATED.

...TROPICAL WAVE...

A TROPICAL WAVE IS N OF 7N ALONG 93W MOVING W 10 KT. SCATTERED 
MODERATE ISOLATED STRONG CONVECTION IS NOTED WITHIN OVER THE PAC 
WATERS WITHIN 60 NM EITHER SIDE OF THE WAVE AXIS.

...ITCZ...

THE ITCZ AXIS EXTENDS FROM 07N81W TO THE TROPICAL WAVE AT 10N93W 
AND CONTINUES W FROM THE WAVE AXIS BETWEEN 07N AND 09N TO BEYOND 
140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS NOTED 
FROM 07N TO 10N W OF 92W.

...DISCUSSION...

AN UPPER CYCLONE IS JUST W OF THE DISCUSSION AREA NEAR 32N144W. 
DEBRIS MOISTURE FROM FORMER CONVECTION OVER THE SE QUADRANT IS 
SPREADING NE OVER THE DISCUSSION AREA N OF 27N W OF 132W. AN 
UPPER LEVEL ANTICYCLONE IS CENTERED OVER SW TEXAS NEAR 28N100W 
WITH A RIDGE AXIS EXTENDING W ACROSS OLD MEXICO ALONG 20N105W TO 
A CREST DEEP IN THE TROPICAL PAC NEAR 10N132W. THE REMNANTS OF 
NORBERT IS MOVING NE ALONG THE NW PERIPHERY OF THIS RIDGE WITH 
DEBRIS MOISTURE ADVECTED NE ACROSS WESTERN TEXAS. THE REMNANTS 
OF ODILE IS RIGHT UNDER THE UPPER RIDGE AXIS WITH SOME THE 
DEBRIS MOISTURE FROM PREVIOUS THUNDERSTORMS NOW SPREADING W OF 
THE PAC WATERS FROM 16N TO 22N BETWEEN 103W AND 109W. EXCEPT AS 
MENTIONED...THE UPPER LEVELS APPEAR VERY DRY W OF A LINE FROM 
23N105W TO 10N130W. THE TROPICAL E PAC E OF 120W IS 
CHARACTERIZED BY STRONG NE WINDS ALOFT SPREADING ITCZ DEBRIS 
MOISTURE S TO THE EQUATOR. 

AT THE LOW LEVELS...A RIDGE EXTENDS ALONG 32N135W TO 08N120W. 
BROKEN/OVERCAST STRATOCUMULUS CLOUDS ARE NOTED N OF 17N W OF 
120W. 

$$
NELSON