Tropical Storm POLO

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BULLETIN
TROPICAL STORM POLO ADVISORY NUMBER  20
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP172014
800 PM PDT SAT SEP 20 2014

...POLO CONTINUES TO WEAKEN AS IT PASSES SOUTH OF BAJA CALIFORNIA
SUR...


SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION
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LOCATION...21.6N 109.9W
ABOUT 90 MI...145 KM S OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* SOUTHERN BAJA CALIFORNIA PENINSULA FROM SANTA FE TO LA PAZ

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 800 PM PDT...0300 UTC...THE CENTER OF TROPICAL STORM POLO WAS
LOCATED NEAR LATITUDE 21.6 NORTH...LONGITUDE 109.9 WEST. POLO IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 7 MPH...11 KM/H...AND THIS
GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH SUNDAY. A TURN TOWARD
THE WEST AND A DECREASE IN FORWARD SPEED ARE FORECAST ON MONDAY.
ON THE FORECAST TRACK...THE CENTER OF POLO WILL PASS SOUTH OF THE
SOUTHERN PORTION OF THE BAJA CALIFORNIA PENINSULA DURING THE NEXT
FEW HOURS. HOWEVER...ANY DEVIATION TO THE NORTH OF THE FORECAST
TRACK COULD BRING STRONGER WINDS TO THE SOUTHERN BAJA CALIFORNIA
PENINSULA.

MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 40 MPH...65 KM/H...
WITH HIGHER GUSTS. ADDITIONAL WEAKENING IS FORECAST DURING THE NEXT
COUPLE OF DAYS. POLO IS FORECAST TO WEAKEN TO A TROPICAL DEPRESSION
ON SUNDAY...AND BECOME A REMNANT LOW SUNDAY NIGHT OR EARLY MONDAY.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 80 MILES...130
KM...MAINLY TO THE SOUTH OF THE CENTER.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1004 MB...29.65 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA
TONIGHT.

SURF...SWELLS GENERATED BY POLO WILL AFFECT THE SOUTHERN BAJA
CALIFORNIA PENINSULA AND THE SOUTHERN GULF OF CALIFORNIA THROUGH
SUNDAY. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND
RIP CURRENT CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL
WEATHER OFFICE.

RAINFALL...POLO COULD PRODUCE ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2
INCHES OVER THE EXTREME SOUTHERN BAJA CALIFORNIA PENINSULA THROUGH
SUNDAY.


NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...1100 PM PDT.
NEXT COMPLETE ADVISORY...200 AM PDT.

$$
FORECASTER BRENNAN

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