000
AXPZ20 KNHC 240917
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC SUN FEB 24 2013

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 
0900 UTC.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...        
MONSOON TROUGH ALONG 9N85W 5N88W TO 04N91W. ITCZ FROM 4N91W 
5N110W 3N125W TO 4N140W. NO SIGNIFICANT CONVECTION.

...DISCUSSION...
NEARLY STATIONARY UPPER LEVEL TROUGH ACROSS THE NORTHERN PORTION 
OF THE DISCUSSION AREA WITH AXIS FROM THE CALIFORNIA/BAJA 
CALIFORNIA BORDER TO 27N140W. A WLY 95-105 KT JETSTREAM ENTERS 
THE AREA NEAR 20N140W TO 25N121W...WHERE WINDS INCREASE TO 
115-130 KT THEN ACROSS SOUTHERN BAJA CALIFORNIA INTO MEXICO. 
DENSE MIDDLE AND HIGH CLOUDS ARE WITHIN 600 NM S OF THE JET. IN 
THE DEEP TROPICS AN UPPER LEVEL TROUGH EXTENDS FROM 13N100W TO 
THE EQUATOR AT 100W. MODERATE TO STRONG SUBSIDENCE WITH DRY 
STABLE AIR AT THE MIDDLE AND UPPER LEVELS IS ACROSS THE AREA S 
OF 20N E OF 110W.

SURFACE HIGH PRES RIDGE IS N OF 15N W OF 110W. THE PRES GRADIENT 
AROUND THE SOUTHERN PERIPHERY OF THE RIDGE IS SUPPORTING 20-25 
KT ELY WINDS FROM 9N-15N W OF 120W. THESE CONDITIONS ARE 
FORECAST THROUGH MON THEN DECREASE TUE...HOWEVER LARGE NLY 
SWELLS WILL LINGER THROUGH TUE.

LOW PRES IS FORECAST TO DEVELOP ACROSS EASTERN NEW MEXICO 
COMBINED WITH THE RIDGE TO THE W WILL RESULT IN STRONG NLY 
ACROSS THE GULF OF CALIFORNIA LATER TODAY AND CONTINUE THROUGH 
TUE.

$$
DGS