000 AXPZ20 KNHC 262148 TWDEP TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 2205 UTC THU OCT 26 2006 TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND METEOROLOGICAL ANALYSIS. BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 2000 UTC. ...SPECIAL FEATURE... .TROPICAL DEPRESSION EIGHTEEN E NEAR 17.0N 104.7W 1008 MB AT 2100 UTC OCT 26 MOVING WNW OR 290 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SCATTERED MODERATE TO STRONG CONVECTION WITHIN 90 NM OF CENTER. FORECAST/ADVISORIES ON TROPICAL DEPRESSION EIGHTEEN-E ARE ISSUED UNDER WMO HEADER WTPZ23 KNHC AND UNDER AWIPS HEADER MIATCMEP3. ...ITCZ... ITCZ AXIS IS CENTERED ALONG 7N78W 10N110W 9N123W 10N140W. CONVECTION...SCATTERED MODERATE ISOLATED STRONG 70NM WIDE 78W TO 81W. SCATTERED STRONG 90NM WIDE 123W TO 126W. ...DISCUSSION... BROAD CYCLONIC CIRCULATION AT UPPER LEVELS NEAR 27N138W IS DRIFTING W WITH A TROUGH THROUGH 32N124W. TROPICAL MOISTURE IS WITHIN 200 NM OF A LINE FROM 18N140W TO CENTRAL BAJA CALIFORNIA AND IS MOVING RAPIDLY NE INTO NORTHERN MEXICO AND THE SW U. S. A LARGE RIDGE EXTENDS FROM NEAR 20N105W TO 8N130W. THE RIDGE IS EMBEDDED IN A LARGE AREA OF DRY AIR. AT THE SURFACE A TROPICAL WAVE NEAR 137W IS MOVING W 10-15 KT WITH LITTLE SIGNIFICANT CONVECTION. A RIDGE EXTENDS FROM 32N 130W TO 20N120W. $$ FETORRES