000
AXPZ20 KNHC 190303 RRA
TWDEP 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC MON MAR 19 2007

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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 0230 UTC.

...ITCZ...
ITCZ 3N78W 5N90W 3N105W 4N140W. 3N78W 5N90W 3N105W 4N140W. 
SCATTERED MODERATE 60 NM WIDE 102W TO 108W. 

...DISCUSSION...

UPPER LEVELS..
MID TO UPPER LEVEL TROUGH EXTENDS FROM 32N132W TO 23N140W.
UPPER LEVEL ANTICYCLONIC FLOW IS N OF 10N E OF 130W INTO 
MEXICO...WITH A MID LEVEL ANTICYCLONIC CIRCULATION NEAR 17N105W. 
THE N PORTION OF THE RIDGE OVER MEXICO IS BEING FLATTENED BY A 
SHORT WAVE TROUGH MOVING THE THROUGH THE SOUTHERN ROCKIES AND 
THE NORTHERN MEXICAN STATE OF CHIHUAHUA. WIDELY SCATTERED 
SHOWERS ASSOCIATED WITH THE SHORT WAVE TROUGH ARE MOVING ACROSS 
NORTHERN MEXICO AND CROSSING THE RIO GRANDE INTO W TEXAS.

LOWER LEVELS...
SURFACE RIDGE IS ALONG 32N132W TO 15N111W. 
N OF 10N BETWEEN 94W AND 96W AND FROM 10N TO 14N BETWEEN 96W AND 
101W NE WINDS 20 TO 25 KT SEAS 8 TO 10 FT.
FROM 5N TO 15N W OF 120W NE WINDS 20 KT SEAS TO 9 FT.

$$
DGS