000
AXPZ20 KNHC 091510
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC MON FEB 09 2009

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

BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.

...ITCZ...
AXIS ALONG 5N78W 2N100W 6N130W 5N140W. SCATTERED MODERATE TO 
STRONG WITHIN 150 NM N OF AXIS FROM 126W TO 138W.

...DISCUSSION...
A BROAD UPPER LEVEL RIDGE EXTENDS FROM 24N127W TO POORLY DEFINED 
ANTICYCLONIC CIRCULATION NEAR 5N117W. HIGH LEVEL MOISTURE IS 
MOVING THROUGH THE RIDGE FROM 15N-25N. MID/UPPER LEVEL TROUGH 
WITH AXIS FROM 32N122W TO 28N140W. A 95-110 KT JET STREAM 
EXTENDS FROM 24N140W TO NORTHERN BAJA CALIFORNIA NEAR 30N116W 
WHERE WINDS INCREASE TO 120 KT...THEN CONTINUES ACROSS NORTHERN 
MEXICO.

A MIDDLE TO UPPER LEVEL RIDGE WITH AXIS FROM THE CENTRAL GULF OF 
MEXICO ACROSS THE GULF OF TEHUANTEPEC TO ANTICYCLONIC 
CIRCULATION NEAR 9N84W. UPPER LEVEL TROUGH EXTENDS FROM 
NICARAGUA SW TO THE EQUATOR AT 91W. SCATTERED SHOWERS ARE WITHIN 
180 NM NW OF THE GALAPAGOS ISLANDS...OTHERWISE STRONG SUBSIDENCE 
WITH DRY STABLE AIR COVERS THE AREA S OF 20N W OF 110W. SKIES 
ARE MOSTLY CLEAR ACROSS THIS AREA EXCEPT FOR BROKEN 
STRATOCUMULUS CLOUDS ALONG THE ITCZ.

COLD FRONT EXTENDS FROM 32N120W TO 28N121W. NO SIGNIFICANT 
WEATHER ASSOCIATED WITH THE FRONT. SURFACE RIDGE WITH AXIS FROM 
30N140W 26N126W TO 25N114W. BROKEN/OVERCAST STRATOCUMULUS CLOUDS 
COVER THE AREA N OF 15N W OF 115W.

$$
DGS