000 AXNT20 KNHC 221106 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 805 AM EDT SUN MAY 22 2011 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1045 UTC. ...TROPICAL WAVES... AN ATLANTIC OCEAN TROPICAL WAVE IS ALONG 23W/24W TO THE SOUTH OF 7N. BROKEN TO OVERCAST MULTILAYERED CLOUDS AND POSSIBLE RAINSHOWERS COVER THE AREA FROM THE EQUATOR TO 10N BETWEEN 20W AND 27W. THE 71W/72W TROPICAL WAVE FROM THE 22/0000 UTC ANALYSIS WAS NOT INCLUDED IN THE 22/0600 UTC ANALYSIS. WE WILL REPORT ABOUT THIS WAVE AGAIN IF AND WHEN MORE DATA ARE AVAILABLE IN ORDER TO BE ABLE TO LOCATE IT. ...THE ITCZ... FROM LIBERIA NEAR 6N10W TO 3N18W 2N34W 3N39W TO 1N46W. STRONG RAINSHOWERS AND THUNDERSTORMS ARE FROM 2N TO 3N BETWEEN THE PRIME MERIDIAN AND 4W...FROM 4N TO 10N BETWEEN 10W AND 20W...FROM THE EQUATOR TO 2N BETWEEN 38W AND 52W IN COASTAL BRAZIL AND ALONG THE BORDER WITH FRENCH GUIANA... AND FROM 6N TO 7N BETWEEN 49W AND 50W. ISOLATED MODERATE RAINSHOWERS ARE ELSEWHERE TO THE SOUTH OF 10N BETWEEN AFRICA AND SOUTH AMERICA. ...DISCUSSION... THE GULF OF MEXICO... BROAD UPPER LEVEL CYCLONIC FLOW COVERS THE GULF OF MEXICO TO THE EAST OF 90W. THIS CYCLONIC FLOW IS RELATED TO THE LARGER-SCALE CYCLONIC FLOW THAT HAS BEEN COVERING THIS AREA FOR THE LAST 4 TO 5 DAYS. THIS CYCLONIC FLOW HAD BEEN PART OF THE LARGER-SCALE CYCLONIC FLOW IN THE U.S.A. WHAT IS HAPPENING NOW IS THAT THE EASTERN U.S.A. CYCLONIC CIRCULATION CENTER HAS MOVED OFFSHORE INTO THE ATLANTIC OCEAN WITH ITS OWN TROUGH. THE CYCLONIC FLOW THAT IS IN THE GULF OF MEXICO HAS BECOME COMPARATIVELY CUT OFF FROM THE ATLANTIC OCEAN TROUGH. UPPER LEVEL ANTICYCLONIC FLOW COVERS THE AREA TO THE WEST OF 90W. THE CENTRAL U.S.A. FRONTAL BOUNDARY CONTINUES TO ORGANIZE ITSELF. BROAD SURFACE ANTICYCLONIC FLOW MOVES AROUND A 1017 MB HIGH PRESSURE CENTER THAT IS NEAR 28N85W. A SURFACE RIDGE IS IN THE NORTHERN GULF WATERS FROM THE 1017 MB HIGH CENTER WESTWARD TO THE UPPER TEXAS GULF COAST. THE CARIBBEAN SEA... UPPER LEVEL CYCLONIC FLOW WITH A TROUGH COVERS THE AREA THAT IS TO THE NORTH OF 14N TO THE WEST OF JAMAICA. THIS CYCLONIC FLOW IS CONNECTED TO THE CYCLONIC FLOW THAT IS IN THE GULF OF MEXICO TO THE EAST OF 90W. STRONG RAINSHOWERS AND THUNDERSTORMS ARE MOSTLY IN THE WATERS OF THE EASTERN PACIFIC OCEAN FROM 12N TO 14N BETWEEN 88W NEAR SOUTHERN HONDURAS AND 95W IN THE GULF OF TEHUANTEPEC OF MEXICO. BROAD UPPER LEVEL ANTICYCLONIC FLOW COVERS THE REST OF THE AREA. A SURFACE TROUGH IS ALONG 18N70W 15N72W FROM THE COASTAL WATERS OF THE DOMINICAN REPUBLIC TOWARD THE PENINSULA DE LA GUAJIRA OF NORTHEASTERN COLOMBIA. RAINSHOWERS AND LOCALLY STRONG THUNDERSTORMS ARE SCATTERED THROUGHOUT THE AREA THAT IS TO THE EAST OF 77W. THE ATLANTIC OCEAN... BROAD UPPER LEVEL CYCLONIC FLOW THAT WAS IN THE EASTERN U.S.A. HAS MOVED INTO THE ATLANTIC OCEAN. AN UPPER LEVEL TROUGH PASSES THROUGH 38N66W TO 30N70W TO 256N75W. BROAD CYCLONIC FLOW COVERS THE ATLANTIC OCEAN TO THE NORTH OF 20N TO THE WEST OF 60W. A COLD FRONT PASSES THROUGH 32N64W TO 28N68W. A SURFACE TROUGH IS ALONG 27N61W 22N66W. RAINSHOWERS ARE POSSIBLE TO THE NORTH OF 20N BETWEEN 47W AND 70W. AN UPPER LEVEL TROUGH EXTENDS FROM A 35N27W CYCLONIC CIRCULATION CENTER TO 22N31W. BROAD SURFACE ANTICYCLONIC FLOW COVERS THE ATLANTIC OCEAN TO THE NORTH OF 10N BETWEEN AFRICA AND 60W. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ MT