000 AXPZ20 KNHC 130941 TWDEP TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1005 UTC TUE NOV 13 2007 TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM THE EQUATOR TO 32N...EAST OF 140W. BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 0915 UTC. ...ITCZ... ITCZ AXIS IS CENTERED ALONG 10N88W 5N93W 7N107W 9N122W 9N140W. CLUSTERS OF SCATTERED MODERATE/ISOLATED STRONG CONVECTION IS WITHIN 120 NM EITHER SIDE OF THE AXIS W OF 126W. A WEAK SURFACE TROUGH IS EMBEDDED WITHIN THE ITCZ ALONG 124W/125W FROM 9N-14N WITH CLUSTERS OF SCATTERED MODERATE/ISOLATED STRONG CONVECTION WITHIN 90 NM OF THE TROUGH AXIS. ...DISCUSSION... E OF 110W... BROAD UPPER RIDGE EXTENDS ACROSS CENTRAL AMERICA FROM THE CARIBBEAN SEA TO 100W ALONG 15N. WEAK UPPER HIGH ALONG THE COAST OF MEXICO NEAR 18N102W WITH UPPER RIDGE EXTENDING SW TO 14N110W AND A WEAK INVERTED TROUGH BETWEEN THE UPPER RIDGES ALONG 10N106W TO OVER MEXICO NEAR 17N100W. DRY SOMEWHAT STABLE AIR COVERS THE AREA WITH SOME UPPER LEVEL MOISTURE OVERRIDING THE AREA N OF 10N W OF 93W PRODUCING OVERCAST CLOUDS WITH ISOLATED SHOWERS TO INLAND OVER NW NICARAGUA TO EL SALVADOR. SCATTERED SHOWERS/ISOLATED THUNDERSTORMS ARE WITHIN 75 NM ALONG THE COAST OF COLOMBIA AND PANAMA W OF 83W. W OF 110W... DEEP LAYERED SYSTEM IS OFF THE COAST OF THE BAJA PENINSULA WITH THE UPPER LOW CENTERED NEAR 27N117W AND THE UPPER TROUGH EXTENDING SW TO 20N121W. AT THE SURFACE...A 1016 MB LOW IS CENTERED NEAR 27N117W WITH A SURFACE TROUGH EXTENDING ALONG 28N115W 19N127W TO 20N133W. SCATTERED SHOWERS/THUNDERSTORMS ARE WITHIN 60 NM OF THE SURFACE TROUGH N OF 26N. SUBTROPICAL JET STREAM WITH WINDS ESTIMATED TO BE 70 TO 100 KT EXTENDS ALONG THE E OF THE UPPER TROUGH FROM 22N116W TO OVER NW MEXICO NEAR 28N109W TO ACROSS CENTRAL TEXAS. BROAD UPPER HIGH IS TO THE W CENTERED NEAR 29N133W COVERING THE AREA N OF 22N W OF 125W. A 1026 MB SURFACE HIGH IS CENTERED NEAR 31N131W WITH A SURFACE RIDGE COVERING THE AREA N OF 20N W OF 125W. $$ WALLACE