000 WTPZ23 KNHC 232042 TCMEP3 TROPICAL DEPRESSION EIGHTEEN-E FORECAST/ADVISORY NUMBER 1 NWS NATIONAL HURRICANE CENTER MIAMI FL EP182017 2100 UTC SAT SEP 23 2017 WATCHES AND WARNINGS -------------------- CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE GOVERNMENT OF MEXICO HAS ISSUED A TROPICAL STORM WARNING FROM MANZANILLO NORTHWARD TO EL ROBLITO... INCLUDING THE ISLAS MARIAS. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * THE SOUTHWESTERN COAST OF MEXICO FROM MANZANILLO NORTHWARD TO EL ROBLITO... INCLUDING THE ISLAS MARIAS A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA... IN THIS CASE WITHIN THE NEXT 24 TO 36 HOURS. TROPICAL DEPRESSION CENTER LOCATED NEAR 18.4N 105.3W AT 23/2100Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 335 DEGREES AT 4 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 18.4N 105.3W AT 23/2100Z AT 23/1800Z CENTER WAS LOCATED NEAR 18.2N 105.2W FORECAST VALID 24/0600Z 18.8N 105.5W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 50NE 0SE 0SW 50NW. FORECAST VALID 24/1800Z 19.4N 105.7W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 20NE 20SE 0SW 20NW. 34 KT... 50NE 50SE 0SW 50NW. FORECAST VALID 25/0600Z 20.2N 106.0W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 20NE 20SE 0SW 20NW. 34 KT... 50NE 50SE 0SW 50NW. FORECAST VALID 25/1800Z 21.2N 106.2W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 50NE 50SE 0SW 50NW. FORECAST VALID 26/1800Z 22.7N 107.0W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 50NE 50SE 0SW 50NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM ON DAY 4 AND 150 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 27/1800Z 24.0N 108.4W...POST-TROPICAL MAX WIND 35 KT...GUSTS 45 KT. OUTLOOK VALID 28/1800Z 26.0N 110.0W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.4N 105.3W NEXT ADVISORY AT 24/0300Z $$ FORECASTER STEWART