[Tropical] Public Tropical Cyclone Advisory

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WTNT33 KNHC 201156
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BULLETIN
TROPICAL STORM HARVEY INTERMEDIATE ADVISORY NUMBER   6A
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL082011
700 AM CDT SAT AUG 20 2011

...CENTER OF HARVEY NOW NORTHWEST OF ROATAN...HURRICANE HUNTER
AIRCRAFT APPROACHING THE STORM...


SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...16.6N 87.0W
ABOUT 35 MI...55 KM WNW OF ISLA ROATAN HONDURAS
ABOUT 105 MI...170 KM SE OF BELIZE CITY
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H
PRESENT MOVEMENT...W OR 275 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...994 MB...29.35 INCHES


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

THE GOVERNMENT OF MEXICO HAS DISCONTINUED THE TROPICAL STORM WARNING
FOR THE SOUTHEASTERN COAST OF THE YUCATAN PENINSULA.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE BAY ISLANDS OF HONDURAS
* THE COAST OF HONDURAS FROM PUNTA PATUCA WESTWARD
* THE COAST OF GUATEMALA
* THE COAST OF BELIZE

HURRICANE CONDITIONS ARE POSSIBLE ALONG A PORTION OF THE COAST OF
BELIZE LATER TODAY.

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN
THE NEXT 24 HOURS.

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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 700 AM CDT...1200 UTC...THE CENTER OF TROPICAL STORM HARVEY WAS
LOCATED NEAR LATITUDE 16.6 NORTH...LONGITUDE 87.0 WEST.  HARVEY IS
MOVING TOWARD THE WEST NEAR 12 MPH...19 KM/H...AND THIS MOTION IS
EXPECTED TO CONTINUE THROUGH TONIGHT WITH SOME INCREASE IN FORWARD
SPEED ON SUNDAY.  ON THE FORECAST TRACK...THE CENTER OF HARVEY IS
FORECAST TO MOVE AWAY FROM THE BAY ISLANDS OF HONDURAS DURING THE
NEXT FEW HOURS AND MOVE INLAND ALONG THE COAST OF BELIZE THIS
AFTERNOON OR TONIGHT.

MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH...95 KM/H...WITH HIGHER
GUSTS.  SOME STRENGTHENING IS FORECAST...AND HARVEY COULD BECOME A
HURRICANE BEFORE IT MOVES INLAND THIS AFTERNOON OR TONIGHT.  AN AIR
FORCE RESERVE HURRICANE HUNTER AIRCRAFT IS CURRENTLY APPROACHING
HARVEY.

TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 40 MILES...65 KM
FROM THE CENTER.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 994 MB...29.35 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL-STORM-FORCE WINDS ARE EXPECTED OVER THE BAY ISLANDS
AND ALONG THE NORTHERN COAST OF HONDURAS DURING THE MORNING AND INTO
THE AFTERNOON.  TROPICAL-STORM-FORCE WINDS ARE ALSO EXPECTED ALONG
THE COASTS OF GUATEMALA...BELIZE...AND THE SOUTHEASTERN YUCATAN
PENINSULA OF MEXICO BY THIS AFTERNOON.  HURRICANE-FORCE WINDS ARE
POSSIBLE ALONG A PORTION OF THE COAST OF BELIZE THIS AFTERNOON OR
TONIGHT.

RAINFALL...HARVEY IS EXPECTED TO PRODUCE TOTAL RAINFALL
ACCUMULATIONS OF 3 TO 6 INCHES ACROSS HONDURAS...GUATEMALA...
BELIZE...AND THE YUCATAN PENINSULA OF MEXICO...WITH POSSIBLE
ISOLATED MAXIMUM AMOUNTS OF 10 INCHES.  THESE RAINS COULD PRODUCE
LIFE-THREATENING FLASH FLOODS AND MUDSLIDES...ESPECIALLY OVER
HIGHER TERRAIN.

STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 2
TO 4 FEET ABOVE NORMAL TIDE LEVELS ALONG THE COAST NEAR AND TO THE
NORTH OF WHERE HARVEY MAKES LANDFALL.  NEAR THE COAST...THE SURGE
WILL BE ACCOMPANIED BY LARGE AND DAMAGING WAVES.


NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1000 AM CDT.

$$
FORECASTER BEVEN



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