000
AXPZ20 KNHC 082140
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC SAT MAR 08 2008

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W. 

BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2115 UTC.

...ITCZ...

ITCZ AXIS 01N78W TO 01N93W TO 07N112W TO 04N123W TO 07N140W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION IS LOCATED WITHIN 
60 NM EITHER SIDE OF LINE 01N90W TO 01N101W...WITHIN 90 NM 
EITHER SIDE OF LINE 12N108W TO 04N125W...AND WITHIN 60 NM OF 
08N137W.

...DISCUSSION...

W OF 102W...
A LARGE MIDDLE/UPPER LEVEL HAS ITS AXIS LOCATED ALONG 135W N OF 
ABOUT 10N WITH ANTICYCLONIC FLOW LOCATED ABOUT 10 DEGREES E OF 
THE AXIS AND 6 TO 7 DEGREES W OF THE AXIS. MOVING DOWNSTREAM A 
LARGE MIDDLE/UPPER LEVEL TROUGH HAS ITS AXIS LOCATED ALONG 114W 
N OF ABOUT 12N WITH CYCLONIC FLOW LOCATED BETWEEN 105W AND 125W. 
A NORTHWESTERLY JET STREAM HAS ITS AXIS EXTENDING THROUGH 
32N123W TO THE CENTRAL BAJA CALIFORNIA PENINSULA. SATELLITE 
CLOUD DRIFT WINDS SHOW THAT WINDS ALONG THE JET ARE IN THE 55 TO 
65 KNOT RANGE. EMBEDDED WITHIN THE TROUGH IS A MIDDLE/UPPER 
LEVEL CYCLONIC CIRCULATION THAT IS CENTERED NEAR 
22N113W...MOVING SE 10 TO 15 KNOTS. AT THE SURFACE MODERATE 
TRADE WINDS ARE LOCATED W OF ABOUT 123W. 

E OF 102W...
WINDS ALOFT IN THE EASTERN PART OF THE DISCUSSION AREA ARE 
PRIMARILY SE TO S WITH WATER VAPOR IMAGERY INDICATING STRONG 
SUBSIDENCE. AT THE SURFACE OVER THE GULF OF TEHUANTEPEC A STRONG 
GALE WARNING IS IN EFFECT WITH N WINDS OF 30 TO 45 KNOTS AND 
SEAS TO 14 FT. IN 24 HOURS WINDS WILL DROP TO BELOW GALE FORCE. 

$$
CAB