000
AXPZ20 KNHC 190941
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC THU APR 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...ITCZ...

AXIS 5N77W 6N93W 8N105W 4N120W 4N140W. SCATTERED MODERATE 
ISOLATED STRONG CONVECTION WITHIN 120 NM EITHER SIDE OF A 4N88W 
5N95W LINE. 

...DISCUSSION...

W OF 105W...
LARGE MIDDLE/UPPER LEVEL TROUGH COVERS THE AREA N OF ABOUT 18N 
BETWEEN 110W AND 135W WITH THE AXIS ALONG 121W. THE TROUGH IS 
MOVING E 10 TO 15 KT. A STRONG JET THAT ORIGINATES FROM NEAR THE 
DATE LINE EXTENDS THROUGH 20N140W TO NEAR 18N125W...CLOUD DRIFT 
WINDS INDICATE 80 TO 90 KNOT WINDS ALONG THE JET AXIS. A WEAKER 
BRANCH EXTENDS FROM NEAR 16N125W ACROSS THE S CENTRAL BAJA 
CALIFORNIA PENINSULA WITH THE STRONGEST WINDS...TO ABOUT 70 
KNOTS...LOCATED E OF 116W. ANTICYCLONIC FLOW ALOFT COVERS THE 
DEEP TROPICS W OF 115W. AT THE SURFACE...TYPICAL NORTHEASTERLY 
TRADES OF 20 TO 25 KNOTS COVER MOST OF THE AREA. WINDS ARE 
EXPECTED TO DECREASE SLIGHTLY OVER THE NEXT TWO DAYS.

E OF 105W...
WATER VAPOR IMAGERY INDICATES A BROAD AREA OF CYCLONIC FLOW 
ALOFT CENTERED NEAR 5N108W. A MIDDLE/UPPER LEVEL RIDGE COVERS 
THE AREA N OF 10N ACROSS MOST OF CENTRAL AMERICA AND INTO THE 
GULF OF MEXICO AND MEXICO E OF 105W.

$$
CAB