...SPECIAL FEATURES...
A TROPICAL WAVE IS MOVING ACROSS THE EASTERN TROPICAL ATLC
ANALYZED FROM 20N55W TO A 1008 MB LOW CENTERED IN THE SOUTHERN
EXTENT OF THE WAVE NEAR 13N50W. THIS WAVE IS EMBEDDED WITHIN A
BROAD AREA OF DEEP MOISTURE ON TPW PRODUCT. BROAD CYCLONIC FLOW
IS WELL OBSERVED IN THE LOW LEVEL CLOUD PATTERN ON SATELLITE
IMAGERY. THE CIRCULATION HAS BECOME BETTER ORGANIZED OVER THE
PAST 6-12 HOURS. THUS...THIS SYSTEM IS CLOSE TO BECOMING A
TROPICAL DEPRESSION WITH A THREAT TO THE LESSER ANTILLES AND
PUERTO RICO. TROPICAL CYCLONE WATCHES OR WARNINGS WOULD LIKELY
BE REQUIRED FOR PARTS OF THESE GROUP OF ISLANDS. INTERESTS IN
THESE AREAS SHOULD CLOSELY MONITOR THE PROGRESS OF THIS SYSTEM
AS IT MOVES WNW AT 15 TO 20 KT. AN AIR FORCE HURRICANE HUNTER
AIRCRAFT IS SCHEDULED TO INVESTIGATE THIS DISTURBANCE LATER THIS
AFTERNOON. SCATTERED MODERATE TO STRONG CONVECTION IS FROM
8N-16N BETWEEN 44W-57W.
...TROPICAL WAVES...
A TROPICAL WAVE IN THE ATLC IS ANALYZED FROM 24N36W TO 11N35W
MOVING W AT 15 KT. THIS WAVE IS LOCATED ALONG THE LEADING EDGE
OF A WEAK LOW LEVEL MOISTURE SURGE DEPICTED ON TOTAL
PRECIPITABLE WATER PRODUCT. WATER VAPOR IMAGERY INDICATES AN
UPPER LEVEL INVERTED TROUGH IS IN THE VICINITY OF THE WAVE. NO
SIGNIFICANT CONVECTION IS NOTED WITH THE WAVE AT THIS TIME.
A TROPICAL WAVE IS MOVING ACROSS CENTRAL AMERICA AND THE YUCATAN
PENINSULA...ANALYZED FROM 23N87W TO 12N85W MOVING W AT 10-15 KT.
THE WAVE IS EMBEDDED WITHIN AN AREA OF DEEP MOISTURE THAT
COVERS MOST OF THE NW CARIBBEAN. BROAD LOW LEVEL CLOUD CYCLONIC
CURVATURE IS OBSERVED ON SATELLITE DATA. SCATTERED HEAVY SHOWERS
AND THUNDERSTORMS ARE AFFECTING THE W AND NW CARIBBEAN WATERS W
OF 80W...WITH THE STRONGEST CONVECTION NOTICED WITHIN 70-130 NM
OFF THE COAST OF NORTHERN NICARAGUA AND EASTERN HONDURAS.
LOCALLY HEAVY RAINFALL TO PORTIONS OF CENTRAL AMERICA ARE
EXPECTED THROUGH OVER THE NEXT 24 HOURS.
A TROPICAL WAVE CURRENTLY OVER WEST AFRICA IS EXPECTED TO ENTER
THE EAST ATLC WATERS OVER THE NEXT 24-36 HOURS. THE CONVECTION
ASSOCIATED TO THIS WAVE IS ALREADY OVER THE EAST TROPICAL ATLC
DISCUSSED BELOW.
...ITCZ/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS ACROSS GUINEA-BISSAU IN WEST AFRICA
ENTERING THE ATLC ALONG 12N16W TO 9N19W TO 11N26W. THE ITCZ
CONTINUES FROM THIS POINT ALONG 12N33W 8N40W TO 12N49W...THEN
RESUMES S OF THE SPECIAL FEATURE TROPICAL WAVE NEAR 11N51W TO
THE COAST OF GUYANA IN SOUTH AMERICA NEAR 7N58W. SCATTERED
MODERATE TO ISOLATED STRONG CONVECTION IS WITHIN 140 NM ON
EITHER SIDE OF THE ITCZ AXIS BETWEEN 38W-50W. THIS AREA OF
CONVECTION IS ALSO ASSOCIATED TO THE SPECIAL FEATURE TROPICAL
WAVE. SCATTERED MODERATE TO STRONG CONVECTION IS FROM 7N-13N E
OF 22W ASSOCIATED TO THE NEXT TROPICAL WAVE THAT WILL BE
ENTERING THE EAST ATLC OVER THE NEXT 24-36 HOURS.
Fonte:
http://www.nhc.noaa.gov