000 WTPZ35 KNHC 240239 TCPEP5 BULLETIN TROPICAL STORM SEYMOUR ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL EP202016 900 PM MDT SUN OCT 23 2016 ...SEYMOUR CONTINUES TO STRENGTHEN... ...EXPECTED TO BECOME A HURRICANE ON MONDAY... SUMMARY OF 900 PM MDT...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...14.4N 107.1W ABOUT 370 MI...590 KM SSW OF MANZANILLO MEXICO MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 900 PM MDT (0300 UTC), the center of Tropical Storm Seymour was located near latitude 14.4 North, longitude 107.1 West. Seymour is moving toward the west-northwest near 15 mph (24 km/h), and this general motion is expected continue during the next couple of days. Maximum sustained winds have increased to near 50 mph (85 km/h) with higher gusts. Additional strengthening is forecast during the next 48 hours, and Seymour is forecast to become a hurricane on Monday. Tropical-storm-force winds extend outward up to 45 miles (75 km) from the center. The estimated minimum central pressure is 1002 mb (29.59 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 300 AM MDT. $$ Forecaster Stewart