

by ims1.ust.hk (iPlanet Messaging Server 5.2 Patch 1 (built Aug 19 2002))
with ESMTPS id <[email-masked]> for alau@ims-ms-daemon
(ORCPT [email-masked]); Sat, 01 Jan 2005 06:18:18 +0800 (CST)
Received: from vacuum.cso.uiuc.edu (vacuum.cso.uiuc.edu [128.174.5.113])
by mx1.ust.hk (8.12.11/8.12.11) with ESMTP id iBVMIEQG097771	for
<[email-masked]>; Sat, 01 Jan 2005 06:18:15 +0800 (HKT)
Received: from vacuum.cso.uiuc.edu (vacuum.cso.uiuc.edu [128.174.5.113])
by vacuum.cso.uiuc.edu (8.12.11/8.12.11) with ESMTP id iBVEeiuO069356; Fri,
31 Dec 2004 16:14:37 -0600
Received: from LISTSERV.UIUC.EDU by LISTSERV.UIUC.EDU
(LISTSERV-TCP/IP release          1.8e)
with spool id 89304 for [email-masked]; Fri,
31 Dec 2004 16:14:37 -0600
Received: from delyte.lib.siu.edu (delyte.lib.siu.edu [131.230.73.222])
by          vacuum.cso.uiuc.edu (8.12.11/8.12.11) with ESMTP id iBVMEaK4101072
for <[email-masked]>; Fri, 31 Dec 2004 16:14:36 -0600
Received: from delyte.lib.siu.edu (localhost [127.0.0.1])
by delyte.lib.siu.edu          (8.12.11/8.12.11) with ESMTP id iBVMEU8g003919
for          <[email-masked]>; Fri,
31 Dec 2004 16:14:31 -0600 (CST)
Received: (from ldm@localhost) by delyte.lib.siu.edu (8.12.11/8.12.11/Submit)
id iBVMEUNJ003918 for [email-masked]; Fri,
31 Dec 2004 16:14:30 -0600 (CST)
Date: Fri, 31 Dec 2004 16:14:30 -0600
From: SIU Weather Processor <[email-masked]>
Subject: Pacific-EN: Tropical Weather Discussion
Sender: WX-TROPL Tropical Storm and Hurricane WX products
<[email-masked]>
To: [email-masked]
Reply-to: [email-masked]
Message-id: <[email-masked]>
Precedence: list
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 312214
TWDEP

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC FRI DEC 31 2004

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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
2045 UTC.

..ITCZ...
ITCZ AXIS ALONG 5N77W  6N87W  3N105W 8N126W  8N140W. WIDELY
SCATTERED MODERATE CONVECTION 80 NM EITHER SIDE OF AXIS FROM
124W TO 133W.

..DISCUSSION...
W OF 110W...
LONGWAVE TROUGH ENTERING N AREA NEAR 30N123W THEN
SOUTH-SOUTHWEST THROUGH 19N125W TO 13N132W EXPECTED TO AMPLIFY
AND DRIFT E ALONG 120W DURING NEXT 48. ASSOCIATED POLAR FINGER
WITH 100 KT MAX N OF 17N...NEW 110 KT MAX BRANCH ENTERS NW AREA
SUN. MID/UPPER MOISTURE NOT AS WIDESPREAD AS EARLY IN THE
WEEK...BUT BECOMING MORE PRONOUNCED NEAR DIVERGENT QUAD OF JET
MAX N OF 16N W OF 122W. STRONG SUBSIDENCE REMAINS FROM 14N TO
22N W OF 130W W OF TROUGH AXIS.

AT THE SURFACE...
WEAK COLD FRONT FROM 30N122W TO 28N129W 28N135W ASSOCIATED WITH
TROUGH. FRONT CONTINUES TO BECOME LESS DEFINED WITH TIME.
LITTLE CONVECTION ALONG ITCZ AS UPPER RIDGE AND DRY AIRMASS
MINIMIZE IT.  MINOR CONVECTION NEAR 10N130W WHERE TROUGH AXIS
AND SUBTROPICAL RIDGE SPLIT UPPER WINDS CREATING SOME DIFFLUENCE
ALOFT.

E OF 110W...
UPPER TROUGH EXTENDS ALONG 103W ACROSS MEXICO INTO EPAC WITH
BROAD RIDGE E OF AXIS. VERY DRY MID/UPPER ATMOSPHERE WITHIN 240
NM OF AXIS AND ENTIRE S MEXICO REGION PLUS CENTRAL AMERICA.

AT THE SURFACE...
MODERATE NE AND E WINDS CROSSING HONDURAS AND NICARAGUA ENTER
EPAC WATERS N OF 8N AND E OF 100W AND MERGE IN MODERATE TO LARGE
SWELLS ALONG N OF 5N E OF 110W.

$$
ROBERTS

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
To unsubscribe from WX-TROPL send e-mail to [email-masked] with
"unsub wx-tropl" in the body of your message. For help with WX-TROPL
write to [email-masked] or see http://wxlist.5280tech.com. For more
information on tropical weather products, see the NHC Homepage
at http://www.nhc.noaa.gov.