WTPZ32 KNHC 151434 RRA

TCPEP2



BULLETIN

TROPICAL STORM NORMA ADVISORY NUMBER   5

NWS NATIONAL HURRICANE CENTER MIAMI FL       EP172017

900 AM MDT FRI SEP 15 2017



...NORMA STRENGTHENING AND FORECAST TO BECOME A HURRICANE BY

TONIGHT...





SUMMARY OF 900 AM MDT...1500 UTC...INFORMATION

----------------------------------------------

LOCATION...18.7N 109.7W

ABOUT 85 MI...135 KM E OF SOCORRO ISLAND

ABOUT 290 MI...465 KM S OF CABO SAN LUCAS MEXICO

MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H

PRESENT MOVEMENT...NNW OR 340 DEGREES AT 2 MPH...4 KM/H

MINIMUM CENTRAL PRESSURE...996 MB...29.42 INCHES





WATCHES AND WARNINGS

--------------------

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.



INTERESTS IN BAJA CALIFORNIA SUR SHOULD MONITOR THE PROGRESS OF

NORMA.  A HURRICANE OR TROPICAL STORM WATCH COULD BE REQUIRED LATER

TODAY FOR PORTIONS OF THE PENINSULA.





DISCUSSION AND 48-HOUR OUTLOOK

------------------------------

AT 900 AM MDT (1500 UTC), THE CENTER OF TROPICAL STORM NORMA WAS

LOCATED NEAR LATITUDE 18.7 NORTH, LONGITUDE 109.7 WEST.  NORMA IS

MOVING TOWARD THE NORTH-NORTHWEST NEAR 2 MPH (4 KM/H), AND THIS

SLOW MOTION IS EXPECTED TO CONTINUE THROUGH EARLY SATURDAY.  A

FASTER NORTHWARD MOTION SHOULD BEGIN BY EARLY SUNDAY.



MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 65 MPH (100 KM/H)

WITH HIGHER GUSTS.  ADDITIONAL STRENGTHENING IS FORECAST DURING THE

NEXT 48 HOURS, AND NORMA IS EXPECTED TO BECOME A HURRICANE BY

TONIGHT.



TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 70 MILES (110 KM)

FROM THE CENTER.



THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 996 MB (29.42 INCHES).





HAZARDS AFFECTING LAND

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