2011 Season's First Tropical Storm Forms in SW Gulf

By: National Hurricane Center
By: National Hurricane Center

WTNT31 KNHC 290015
TCPAT1

BULLETIN
TROPICAL STORM ARLENE SPECIAL ADVISORY NUMBER 1
NWS NATIONAL HURRICANE CENTER MIAMI FL AL012011
700 PM CDT TUE JUN 28 2011

...TROPICAL STORM FORMS IN THE SOUTHWESTERN GULF OF MEXICO...
...TROPICAL STORM WARNING ISSUED FOR PORTIONS OF MEXICO...

SUMMARY OF 700 PM CDT...0000 UTC...INFORMATION
----------------------------------------------
LOCATION...21.2N 93.7W
ABOUT 280 MI...450 KM ESE OF TAMPICO MEXICO
ABOUT 240 MI...385 KM E OF TUXPAN MEXICO
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES

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

THE GOVERNMENT OF MEXICO HAS ISSUED A TROPICAL STORM WARNING FOR THE
COAST OF NORTHEASTERN MEXICO FROM BARRA DE NAUTLA NORTHWARD TO
BAHIA ALGODONES.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* BARRA DE NAUTLA TO BAHIA ALGODONES

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.

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

DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 700 PM CDT...0000 UTC...THE CENTER OF TROPICAL STORM ARLENE WAS
LOCATED NEAR LATITUDE 21.2 NORTH...LONGITUDE 93.7 WEST. ARLENE IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 7 MPH...11 KM/H. A TURN
TOWARD THE WEST IS FORECAST DURING THE NEXT DAY OR SO. ON THE
FORECAST TRACK...THE CENTER OF ARLENE IS EXPECTED TO REACH THE COAST
WITHIN THE WARNING AREA ON THURSDAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 40 MPH...65 KM/H...WITH HIGHER
GUSTS. SOME STRENGTHENING IS FORECAST DURING THE NEXT DAY OR SO.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES...185
KM...MAINLY TO THE NORTHEAST OF THE CENTER.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 1003 MB...29.62 INCHES.

HAZARDS AFFECTING LAND
----------------------
ARLENE IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 4 TO 8
INCHES OVER THE MEXICAN STATES OF TAMAULIPAS AND VERACRUZ...WITH
POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 12 INCHES OVER MOUNTAINOUS
TERRAIN. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND
MUDSLIDES.

WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO REACH THE COAST
WITHIN THE WARNING AREA BY LATE WEDNESDAY...MAKING OUTSIDE
PREPARATIONS DIFFICULT OR DANGEROUS.

STORM SURGE...STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 1 TO
2 FEET ABOVE NORMAL TIDE LEVELS ALONG THE IMMEDIATE COAST NEAR AND
TO THE NORTH OF WHERE THE CENTER MAKES LANDFALL. NEAR THE
COAST...THE SURGE COULD BE ACCOMPANIED BY LARGE AND DESTRUCTIVE
WAVES.

NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1000 PM CDT.

$$
FORECASTER BROWN/KIMBERLAIN


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