410
AXPZ20 KNHC 220821
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC MON APR 22 2024
TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM
03.4S TO 30N, EAST OF 120W INCLUDING THE GULF OF CALIFORNIA, AND
FROM THE EQUATOR TO 30N, BETWEEN 120W AND 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
0800 UTC.
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
A SURFACE TROUGH EXTENDS FROM 08N78W TO 06N95W. THE ITCZ
CONTINUES FROM 06N95W TO BEYOND 06N140W. SCATTERED MODERATE
CONVECTION IS NOTED FROM 01N TO 08N W OF 130W. SCATTERED SHOWERS
ARE NOTED ALONG THE TROUGH.
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
A SURFACE RIDGE EXTENDS FROM A HIGH PRESSURE CENTERED WELL N OF
THE AREA TO THE REVILLAGIGEDO ISLANDS. THE PRESSURE GRADIENT
BETWEEN THIS AREA OF HIGH PRESSURE AND A TROUGH WESTERN MEXICO IS
SUPPORTING GENTLE TO MODERATE WINDS WEST OF THE BAJA CALIFORNIA
PENINSULA. LIGHT TO GENTLE WINDS PREVAIL ELSEWHERE. SEAS ARE IN
THE 4-6 FT RANGE OVER THE OPEN WATERS OFF MEXICO, AND 3 FT OR
LESS OVER THE GULF OF CALIFORNIA.
FOR THE FORECAST, GENTLE TO MODERATE WINDS WINDS AND MODERATE
SEAS WILL PERSIST WEST OF THE BAJA CALIFORNIA PENINSULA THROUGH
THE MIDDLE OF THIS WEEK. WINDS WILL THEN FRESHEN THU AND FRI.
FRESH TO STRONG GAP WINDS WILL DEVELOP IN THE GULF OF TEHUANTEPEC
THIS MORNING, AND CONTINUE THROUGH TUE BEFORE DIMINISHING. SEAS
WILL PEAK NEAR 10 FT TONIGHT WITH THE GAP WINDS. ELSEWHERE,
LIGHT TO GENTLE WINDS AND MODERATE SEAS WILL PREVAIL.
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,
AND WITHIN 750 NM OF ECUADOR
LIGHT TO GENTLE WINDS, AND SEAS OF 4-6 FT PREVAIL ACROSS MOST OF THE
DISCUSSION WATERS EXCEPT OFF ECUADOR, WHERE SEAS ARE PEAKING TO 7
FT.
FOR THE FORECAST, LIGHT TO GENTLE BREEZES WILL PERSIST ACROSS THE
REGION THROUGH THE WEEK. WAVE HEIGHTS WILL BE MOSTLY 4 TO 6 FT
PRIMARILY IN SW SWELL, EXCEPT FROM 5 TO 7 FT OFF ECUADOR THROUGH
MIDWEEK. MODERATE TO OCCASIONALLY FRESH GAP WINDS WILL DEVELOP
IN THE GULF OF PAPAGAYO TUE, THEN CONTINUE THROUGH THE WEEK.
..REMAINDER OF THE AREA
A HIGH PRESSURE IS CENTERED WELL N OF THE AREA, WITH RIDGE
EXTENDING SE TO NEAR THE REVILLAGIGEDO ISLANDS. THE PRESSURE
GRADIENT BETWEEN THE AREA OF HIGH PRESSURE AND LOWER PRESSURE IN
THE VICINITY OF THE ITCZ IS SUPPORTING MODERATE TO FRESH TRADE
WINDS FROM 05N TO 20N BETWEEN 120W AND 140W, WHERE SEAS ARE IN
THE 7-9 FT RANGE. A SURFACE TROUGH IS OVER THE NW WATERS FROM
30N133W TO 25N139W. MODERATE WINDS AND SEAS OF 6-7 FT ARE WEST
OF THE TROUGH. GENTLE TO MODERATE WINDS ARE NOTED N OF 28N
BETWEEN 120W AND 128W WHERE THE PRESSURE GRADIENT IS LOCALLY
TIGHTER BETWEEN THE RIDGE AND TROUGH OVER THE GULF OF CALIFORNIA.
GENTLE WINDS ARE NOTED ELSEWHERE ACROSS THE DISCUSSION WATERS.
ASIDE FROM THE AREAS MENTIONED ABOVE, SEAS ARE IN THE 4-6 FT
RANGE.
FOR THE FORECAST, WIND SPEEDS AND WAVE HEIGHTS WILL REMAIN
SIMILAR INTO EARLY THIS WEEK, WITH AN AREA OF 8 FT SEAS
PERSISTING ROUGHLY FROM 08N TO 12N W OF 130W WITH N SWELL MIXING
WITH NE WIND WAVES. THE TROUGH WILL DISSIPATE TODAY. LOOKING
AHEAD, A WEAK SURFACE LOW WILL ENTER THE NORTH-CENTRAL PORTION OF
OUR WATERS BY MID-WEEK ENHANCING WINDS/SEAS.
ERA
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