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Eastern Pacific Tropical Weather Discussion (Text)



000
AXPZ20 KNHC 260920
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
1005 UTC SUN APR 26 2015

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...              

ITCZ AXIS EXTENDS FROM 07N93W TO 04N104W TO 06N114W TO 05N122W 
TO 08N129W TO 06N140W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION WITHIN 120 NM S OF AXIS BETWEEN 103W AND 110W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 04N TO 09N 
BETWEEN 123W AND 128W.

...DISCUSSION... 

A BROAD LONG WAVE TROUGH DOMINATES MID-UPPER LEVELS N OF 15N W 
OF 110W. A SHORT WAVE TROUGH IS EVIDENT ON WATER VAPOR IMAGERY 
FROM CENTRAL ARIZONA W-SW TO 26N118W TO 25N135W. A COLD FRONT IS 
MOVING S ALONG THE COAST OF SOUTHERN CALIFORNIA.

NEARLY STATIONARY SUBTROPICAL RIDGE ANCHORED BY 1027 MB HIGH 
CENTERED NEAR 31N135W EXTENDS ACROSS MOST OF THE DISCUSSION AREA 
N OF 16N W OF 114W. SCATTEROMETER DATA CONTINUES TO SHOW AN AREA 
OF FRESH TO STRONG NE WINDS BETWEEN 11N-20N W OF 125W. WIND 
WAVES GENERATED BY THE ENHANCED TRADES ARE SUPPORTING 8-10 FT 
COMBINED SEAS IN WESTERN WATERS N OF THE ITCZ. 

SCATTEROMETER DATA ALSO SHOWS FRESH TO STRONG NW WINDS ALONG THE 
BAJA CALIFORNIA COAST. FRESH NW SWELL WILL SWEEP S OF 30N W OF 
124W TODAY THROUGH MON...WITH SEA HEIGHTS PEAKING AT 10-11 FT 
TONIGHT. EXTREME NORTHERN GULF OF CALIFORNIA CAN EXPECT 20-25 KT 
W-SW WINDS FOR A FEW HOURS THIS MORNING.

$$ 
MUNDELL

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Page last modified: Sunday, 26-Apr-2015 09:20:49 UTC