Subject: Pacific-EN: Tropical Weather Discussion

From: SIU Weather Processor <[email-masked]>
Date: Sat, 19 Apr 2003 05:04:57 -0500

AXPZ20 KNHC 191004
TWDEP

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC SAT 19 APR 2003

EASTERN PACIFIC OCEAN FROM 32N TO THE EQUATOR...EAST OF 140W.

SPECIAL FEATURES...
NO SPECIAL FEATURES.
NO TROPICAL WAVES.

BASED ON 19/0600 UTC SURFACE SYNOPTIC ANALYSIS...
..BROAD HIGH PRESSURE AND ANTICYCLONIC FLOW
   NORTH OF 10N WEST OF 110W.

INTERPRETATION OF SATELLITE IMAGERY THROUGH 19/0800 UTC...

ITCZ...
AXIS OF ITCZ-RELATED CLOUDS/CONVECTION
5N78W 5N86W 5N96W 6N110W 7N120W 6N130W 7N140W.

SCATTERED MODERATE TO ISOLATED STRONG WITHIN 90-120 NM
ON EITHER SIDE OF AXIS BETWEEN 115W AND 140W.

ISOLATED TO WIDELY SCATTERED MODERATE/LOCALLY STRONG WITHIN
60 NM ON EITHER SIDE OF AXIS BETWEEN 84W AND 87W.

ISOLATED MODERATE WITHIN 75 NM ON EITHER SIDE OF AXIS
BETWEEN 92W AND 98W.

CELLS OF ISOLATED STRONG THUNDERSTORMS IN COLOMBIA COASTAL
PLAINS FROM 3N TO 5N BETWEEN 76W AND 78W.

ELSEWHERE SOUTH OF 32N...
WATER VAPOR IMAGERY...TROUGH FROM COLORADO/NEW MEXICO BORDER
NEAR 37N106W TO NORTH CENTRAL MEXICO NEAR 27N107W. SECOND
AND COMPARATIVELY WEAKER TROUGH IN EASTERN PACIFIC FROM
31N126W TO 25N126W TO 18N127W...SURROUNDED BY DRY AIR FROM
20N TO 30N BETWEEN 26N109W 20N119W AND 130W. UPPER LEVEL
ANTICYCLONIC FLOW FROM 10N TO 24N BETWEEN 120W AND 140W.
UPPER LEVEL SW FLOW WITHIN 240-280 NM ON EITHER SIDE
OF 14N120W BEYOND 23N106W ALONG MEXICO WEST COAST.
CELL OF SHOWERS/THUNDERSTORMS WITHIN 15-30 NM RADIUS OF 12N90W.

$$
MT

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