000
AXPZ20 KNHC 241531
TWDEP 

TROPICAL WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC FRI MAR 24 2006

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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.

...ITCZ...
ITCZ AXIS 5N77W 3N85W 6N105W 2N125W EQ-140W. NO SIGNIFICANT 
CONVECTION.

...DISCUSSION...
MID/UPPER LEVEL RIDGE COVERS THE AREA W OF 117W WITH AXIS FROM 
32N120W TO 11N135W. MID TO HIGH LEVEL MOISTURE IS BEING ADVECTED 
AROUND THE RIDGE N OF 21N W OF 125W. A SHORTWAVE TROUGH MOVING N 
OF THE AREA HAS FLATTENED THE RIDGE SOME. DOWNSTREAM TROUGH AXIS 
EXTENDS FROM NORTHERN BAJA CALIFORNIA 15N116W TO 10N121W. 
MODERATE TO STRONG SUBSIDENCE...WITH DRY AT THE MID AND UPPER 
LEVELS IS W OF THE TROUGH AXIS TO 120W N OF 20N. A WEAK CYCLONIC 
CIRCULATION IS NOTED ALONG THE THE BAJA COAST NEAR 24N112W.
BROKEN CLOUDS WITH A FEW SHOWERS ARE NEAR THE TIP OF THE BAJA 
PENINSULA INTO THE SOUTHERN PORTION OF THE GULF OF CALIFORNIA. 
MID TO UPPER LEVEL RIDGE EXTENDS FROM A ANTICYCLONIC CIRCULATION 
NEAR GUATEMALA NWD INTO MEXICO. MODERATE TO STRONG SUBSIDENCE IS 
N OF THE ITCZ TO 20N E OF 105W.

COLD FRONT IS APPROACHING THE FAR NW CORNER OF THE DISCUSSION 
AREA FROM 32N131W TO 29N128W. HIGH PRES COVERS MUCH OF 
SUBTROPICAL PACIFIC WITH 1022 MB CENTER AT 28N126W WITH RIDGE 
EXTENDING FROM CENTER SE TO 18N115W AND W OF CENTER TO 27N140W.

STATIONARY FRONT ALONG THE E SLOPE OF THE SIERRA MADRE MOUNTAINS 
IN MEXICO IS PRODUCING A STRONG PRES GRADIENT AND GALE FORCE 
WINDS IN THE GULF OF TEHUANTEPEC.

$$
DGS