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Tropical Storm NEWTON Public Advisory Number 12A
2016-09-07 19:55:08| National Hurricane Center (East Pacific)
Issued at 1200 PM MDT WED SEP 07 2016 000 WTPZ35 KNHC 071754 TCPEP5 BULLETIN TROPICAL STORM NEWTON INTERMEDIATE ADVISORY NUMBER 12A NWS NATIONAL HURRICANE CENTER MIAMI FL EP152016 1200 PM MDT WED SEP 07 2016 ...CENTER OF NEWTON LOCATED JUST SOUTH OF THE ARIZONA/MEXICO BORDER... ...HEAVY RAINS OCCURRING OVER SOUTHEASTERN ARIZONA... SUMMARY OF 1200 PM MDT...1800 UTC...INFORMATION ----------------------------------------------- LOCATION...31.2N 111.2W ABOUT 25 MI...40 KM SW OF NOGALES ARIZONA ABOUT 65 MI...105 KM SSW OF TUCSON ARIZONA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...NNE OR 15 DEGREES AT 18 MPH...30 KM/H MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. Wind advisories are in effect for portions of southeastern Arizona. Flash flood watches are in effect for southeastern Arizona and southwestern New Mexico. For storm information specific to you area in the United States, please monitor products issued by your local National Weather Service forecast office. For information in Mexico, please monitor products issued by the Meteorological Service of Mexico. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 1200 PM MDT (1800 UTC), the center of Tropical Storm Newton was located just south of the Arizona/Mexico border near latitude 31.2 North, longitude 111.2 West. Newton is moving toward the north- northeast near 18 mph (30 km/h), and this motion is expected to continue until Newton dissipates tonight. On the forecast track, the center of Newton will move into southeastern Arizona very soon. Maximum sustained winds have decreased to near 45 mph (75 km/h) with higher gusts. Continued rapid weakening is forecast, and Newton should weaken to a tropical depression over southeastern Arizona by this evening and dissipate overnight. Tropical-storm-force winds extend outward up to 90 miles (145 km) mainly to the south and east of the center. Tropical-storm-force winds, especially gusts, are occurring over elevated terrain in southeastern Arizona. Miracle Valley, Arizona, recently reported a wind gust to 58 mph (93 km/h) at an elevation of 7677 ft (2340 m). The estimated minimum central pressure is 1006 mb (29.71 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are spreading from northern portions of the Mexican state of Sonora into southeastern Arizona and should continue for the next few hours. Wind speeds atop and on the windward sides of hills and mountains are often up to 30 percent stronger than the near-surface winds indicated in this advisory, and in some elevated locations could be even greater. RAINFALL: Newton is expected to produce total rain accumulations of 3 to 6 inches, and possible isolated maximum amounts of 10 inches, over the Mexican state of Sonora. Moisture associated with Newton is expected to produce total rain accumulations of 1 to 3 inches with locally higher amounts over southeastern Arizona and southern New Mexico through Wednesday night. This heavy rainfall may cause life-threatening flash floods and mud slides in areas of mountainous terrain. SURF: Swells associated with Newton over the Gulf of California will continue to subside during the day. NEXT ADVISORY ------------- Next complete advisory at 300 PM MDT. $$ Forecaster Berg
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