000 AXNT20 KNHC 052136 CCA TWDAT TROPICAL WEATHER DISCUSSION...CORRECTION NWS NATIONAL HURRICANE CENTER MIAMI FL 205 PM EDT SAT JUL 05 2014 CORRECTION FOR ADJUSTMENT OF HEADER ABOVE 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...WEATHER OBSERVATIONS...RADAR...AND METEOROLOGICAL ANALYSIS. BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1715 UTC. ...SPECIAL FEATURES... REMNANT LOW ARTHUR IS CENTERED NEAR 45.0N 65.5W AT 1500 UTC, ESTIMATED MINIMUM CENTRAL PRESSURE IS 983 MB. THIS IS THE LAST ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER. PLEASE SEE PRODUCTS ISSUED BY THE CANADIAN HURRICANE CENTRE AT... WEATHER.GC.CA/HURRICANE/INDEX_E.HTML ...IN ALL LOWER CASE. ...TROPICAL WAVES... TROPICAL WAVE EXTENDS FROM 18N26W TO 7N31W AND IS MOVING W AT 15 KT. A STRONG SAHARAN AIR LAYER SIGNAL IS NOTED ON SATELLITE IMAGERY TO THE W AND NORTH OF THE WAVE THAT CONTINUES TO RESULT IN AN OVERALL LACK OF ANY SIGNIFICANT CONVECTION IN THE VICINITY OF THE WAVE AXIS. TROPICAL WAVE EXTENDS FROM 22N60W TO 12N64W IS MOVING W AT 15-20 KT. THE WAVE IS EASY TO IDENTIFY ON THE LATEST SATELLITE IMAGERY AND EXHIBITS A CLASSIC WAVE PATTERN. THERE IS NO SIGNIFICANT DEEP CONVECTION DUE TO THE WAVE REMAINING EMBEDDED WITHIN A STRONG SAHARAN AIR LAYER. SCATTERED SHOWERS ARE APPROACHING PUERTO RICO FROM THE EAST. TROPICAL WAVE EXTENDS ALONG 79W FROM 11N-21N AND IS MOVING W AT 10-15 KT. THERE IS NO SIGNIFICANT CONVECTION DUE TO THE RELATIVE STABILITY OF THE UPPER LEVEL FLOW AND DRY CONDITIONS SURROUNDING THE WAVE. ...ITCZ/MONSOON TROUGH... MONSOON TROUGH EXTENDS FROM THE AFRICAN COAST NEAR 14N17W TO 9N25W. THE INTERTROPICAL CONVERGENCE ZONE AXIS EXTENDS FROM 9N25W TO 8N29W RESUMES FROM 8N31W TO 5N52W. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS LOCATED FROM 5N-10N BETWEEN 15W AND 22W AND FROM 5N TO 8N BETWEEN 25W-36W. ...DISCUSSION... GULF OF MEXICO... UPPER LEVEL TROUGH OVER THE FAR WESTERN GULF HAS ITS AXIS EXTENDING THROUGH THE WESTERN LOUISIANA COAST TO A CYCLONIC CIRCULATION OVER MEXICO NEAR 22N98W. UPPER LEVEL RIDGE COVERS THE REMAINDER OF THE GULF. AT THE SURFACE A TROUGH IS EXTENDS FROM NEAR JACKSONVILLE FLORIDA TO 28N84W WITH SCATTERED SHOWERS AND TSTMS FROM 29N-31N BETWEEN 77W AND 80W. A STATIONARY FRONT CUTS ACROSS NW FLORIDA FROM 32N81W TO 29N86W CARIBBEAN SEA... UPPER LEVEL RIDGE ACROSS THE WESTERN CARIBBEAN W OF 80W. AN UPPER LEVEL TROUGH AXIS EXTENDS FROM HAITI TO PANAMA. MODERATE TO STRONG SUBSIDENCE WITH DRY AND STABLE AIR AT THE MIDDLE AND UPPER LEVELS IS S OF 17N E OF 81W. ...HISPANIOLA... ISOLATED SHOWERS ARE LOCATED INLAND OVER HISPANIOLA. THE PRESENCE OF AN UPPER LOW CENTERED N OF THE AREA WILL KEEP THE ISLAND IN A FAVORABLE ENVIRONMENT ALOFT TO SUPPORT CONVECTION OVER THE WEEKEND. ATLANTIC OCEAN... UPPER LEVEL TROUGH ACROSS THE WESTERN ATLANTIC FROM 29N60W TO CYCLONIC CIRCULATION NEAR 23N71W TO HAITI. AT THE SURFACE A STATIONARY FRONT EXTENDS FROM A 1019 MB LOW OFF THE COAST OF GEORGIA NEAR 31N80W TO 29N86W. A PRE-FRONTAL TROUGH IS FROM 30N81W TO 28N84W. A WELL-DEFINED AND LARGE UPPER LEVEL ANTICYCLONIC CIRCULATION IS CENTERED NEAR 17N53W AND COVERS THE AREA ROUGHLY FROM BETWEEN 40W AND 65W. WATER VAPOR IMAGERY INDICATES STRONG SUBSIDENCE IN THIS AREA. TO THE E OF THE RIDGE AN UPPER LEVEL TROUGH EXTENDS FROM A CYCLONIC CIRCULATION CENTERED NEAR 28N32W TO 10N42W. BROAD RIDGING ALOFT COVERS THE EASTERN ATLANTIC E OF THE TROUGH. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ DGS