25kts-1011mb - sistema extratropical
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ImageShack.usAtlantic Tropical Weather Discussion
000
AXNT20 KNHC 220607
TWDAT
TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
205 AM EDT SAT MAY 22 2010
TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA...CENTRAL
AMERICA...GULF OF MEXICO...CARIBBEAN SEA...NORTHERN SECTIONS OF
SOUTH AMERICA...AND ATLANTIC OCEAN TO THE AFRICAN COAST FROM THE
EQUATOR TO 32N. THE FOLLOWING INFORMATION IS BASED ON SATELLITE
IMAGERY...METEOROLOGICAL ANALYSIS...WEATHER OBSERVATIONS...AND
RADAR.
BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0515 UTC...
...SPECIAL FEATURES...AS OF 22/0300 UTC...A SURFACE TROUGH IS JUST E OF THE BAHAMAS
ALONG 30N73W 25N73W 20N71W. A 1012 MB LOW IS EMBEDDED ON THE
TROUGH AXIS NEAR 25N73W. SCATTERED SHOWERS ARE OVER THE SOUTHERN
BAHAMAS AND ALONG THE COAST OF HISPANIOLA.
THIS LOW IS FORECAST
TO DISSIPATE OVER THE NEXT 24 HOURS...
WHILE A NEW LOW FORMS SOME
240 NM FURTHER E. THIS NEW LOW WILL BE A DEEP LAYERED LOW WITH
AN UPPER LEVEL LOW ABOVE IT PROVIDING DIFFLUENCE E OF THE UPPER
CENTER AND CONVECTION.
THIS SURFACE LOW WILL DEEPEN OVER THE
NEXT 72 HOURS AND THE PRESSURE GRADIENT WILL TIGHTEN N OF THE
CENTER. GALE FORCE WINDS ARE FORECAST TO BEGIN ON SUNDAY 1800
UTC. THE AREA OF GALE FORCE WINDS WILL MOVE N WITH TIME AS THE
LOW CENTER TRACKS N.
...TROPICAL WAVES...TROPICAL WAVE IS ALONG
34W/35W S OF 10N MOVING W AT 10-15 KT.
THE WAVE CONTINUES TO SHOW SLIGHT LOW-LEVEL CYCLONIC FLOW IN THE
VICINITY OF THE WAVE AXIS S OF 7N AND COINCIDES WITH A RELATIVE
MAXIMUM IN THE TOTAL PRECIPITABLE WATER IMAGERY BETWEEN 27W-41W.
ISOLATED MODERATE CONVECTION IS FROM 4N-7N BETWEEN 31W-41W.
TROPICAL WAVE IS ALONG
58W S OF 11N MOVING W AT 10-15 KT. THIS
WAVE ALSO COINCIDES WITH A MAXIMUM IN TOTAL PRECIPITABLE WATER
AS IT MOVES OVER PORTIONS OF THE TROPICAL W ATLC AND SECTIONS OF
SURINAME AND GUYANA. SCATTERED MODERATE TO ISOLATED STRONG
CONVECTION IS FROM 2N-9N BETWEEN 53W-60W.
TROPICAL WAVE IS ANALYZED FROM 11N78W TO
EASTERN PANAMA NEAR
9N79W AND INTO THE E PACIFIC REGION MOVING W-NW AT 5-10 KT.
SOUTHEASTERLY LOW TO MID-LEVEL FLOW WILL CONTINUE TO ADVECT
MOISTURE ASSOCIATED WITH THE WAVE ACROSS PORTIONS OF THE SW
CARIBBEAN AND EVENTUALLY INLAND PORTIONS OF CENTRAL AMERICA OVER
THE NEXT 24 HOURS. WIDELY SCATTERED MODERATE CONVECTION REMAINS
LARGELY SOUTH OF 12N BETWEEN 73W-80W AND CONTINUES TO BE
ENHANCED BY A FAVORABLE UPPER LEVEL ENVIRONMENT.
TROPICAL WAVE IS ANALYZED
FROM N NICARAGUA AT 13N86W TO THE E
PACIFIC REGION NEAR 6N90W MOVING W-NW AT 5-10 KT. NORTHERN
PORTIONS OF THE WAVE CONTINUE SUPPORTING SCATTERED MODERATE
CONVECTION OVER PORTIONS OF CENTRAL AMERICA FROM 10N-16N
BETWEEN 84W-91W. A FAVORABLE UPPER LEVEL ENVIRONMENT WILL ALSO
CONTRIBUTE TO SUSTAINED CONVECTION OVER THE NEXT 24 HOURS OVER
NICARAGUA AND HONDURAS AS ENERGY FROM THE WAVE FRACTURES AND
MOVES NW.
