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Date: Wed, 05 Jan 2005 03:21:28 -0600
From: SIU Weather Processor <[email-masked]>
Subject: Pacific-EN: Tropical Weather Discussion
Sender: WX-TROPL Tropical Storm and Hurricane WX products
<[email-masked]>
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X-Perlmx-Spam: Gauge=XXXIIIIIIII, Probability=38%,
Report='HASHBUSTER_BLOCK_V2 3.4, LINES_OF_YELLING_3 0.671,
__HASHBUSTER_BLOCK_V2_1 0, __HAS_MSGID 0, __LINES_OF_YELLING 0, __SANE_MSGID 0'

AXPZ20 KNHC 050920
TWDEP

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC WED JAN 05 2005

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...
INTERTROPICAL CONVERGENCE ZONE AXIS 6N77W 6N105W 8N120W 9N140W.
SCATTERED MODERATE WITH ISOLATED STRONG CONVECTION IS WITHIN 60
NM EITHER SIDE OF AXIS FROM 121W TO 130W.

..DISCUSSION...
W OF 120W...
BROAD UPPER LEVEL RIDGE WITH AXIS ALONG 125W HAS ANTICYCLONIC
CENTER NEAR 12N125W WHERE GOOD DIFFLUENT PATTERN ALOFT ENHANCES
CONVECTION ALONG ITCZ AXIS FROM 120W TO 132W.  UPPER LEVELS AREA
MOIST WEST OF THE RIDGE AXIS.

AT THE SURFACE...ONLY ITCZ CONVECTION MERITS ANY MENTION.

E OF 120W...
WELL-DEFINED MIDDLE/UPPER LEVEL TROUGH COVERS AREA FROM 118W TO
100W WITH MAIN AXIS ALONG 108W.  TROUGH LIFTING NWD FORCED BY
CYCLONIC VORTEX NEAR 37N112W BECOMING NEGATIVELY TILTED OVER SW
CONUS AND EXTEND THROUGH NW MEXICO.

MODERATE TO STRONG SUBSIDENCE S OF 25N SHOULD KEEP CENTRAL
MEXICO AND CENTRAL AMERICA UNDER DRY AIRMASS.

AT THE SURFACE...WIND FLOW ACROSS CENTRAL AMERICA FUNNELING
STRONG WINDS ACROSS PAPAGAYO...FONSECA AND TEHUANTEPEC GAPS
INCREASING SPEEDS AND BUILDING SEAS.

$$
LL

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