TROPICAL STORM HARVEY ADVISORY 4

[Nws Olney Maryland]

BULLETIN
TROPICAL STORM HARVEY ADVISORY NUMBER 4
NWS NATIONAL HURRICANE CENTER MIAMI FL AL082011
500 PM EDT FRI AUG 19 2011

...HARVEY STRENGTHENING AS IT APPROACHES THE BAY ISLANDS...


SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...16.5N 84.7W
ABOUT 125 MI...205 KM E OF ISLA ROATAN HONDURAS
ABOUT 240 MI...390 KM ESE OF BELIZE CITY
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES


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

THE GOVERNMENT OF MEXICO HAS ISSUED A TROPICAL STORM WARNING FOR THE
SOUTHEASTERN COAST OF THE YUCATAN PENINSULA FROM PUNTA GRUESA
SOUTHWARD TO CHETUMAL.

THE GOVERNMENT OF HONDURAS HAS DISCONTINUED THE TROPICAL STORM WATCH
EAST OF PUNTA PATUCA.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE BAY ISLANDS OF HONDURAS
* THE COAST OF BELIZE
* THE SOUTHEASTERN COAST OF THE YUCATAN PENINSULA FROM PUNTA GRUESA
SOUTHWARD TO CHETUMAL

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* THE COAST OF HONDURAS FROM PUNTA PATUCA WESTWARD
* THE COAST OF GUATEMALA

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

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE AT ANY TIME WITHIN THE
NEXT 48 HOURS.

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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 PM EDT...2100 UTC...THE CENTER OF TROPICAL STORM HARVEY WAS
LOCATED NEAR LATITUDE 16.5 NORTH...LONGITUDE 84.7 WEST. HARVEY IS
MOVING TOWARD THE WEST NEAR 12 MPH...19 KM/H...AND A GENERAL
WESTWARD TO WEST-NORTHWESTWARD MOTION IS EXPECTED DURING
THE NEXT COUPLE OF DAYS. ON THE FORECAST TRACK...THE CENTER OF
HARVEY WILL PASS NEAR THE BAY ISLANDS OF HONDURAS TONIGHT AND
MOVE ACROSS THE COAST OF BELIZE SATURDAY OR SATURDAY NIGHT.

MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 45 MPH...75 KM/H...
WITH HIGHER GUSTS. ADDITIONAL STRENGTHENING IS FORECAST AS HARVEY
APPROACHES THE BAY ISLANDS AND BELIZE.

TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM
FROM THE CENTER.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 1002 MB...29.59 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL-STORM-FORCE WINDS ARE EXPECTED OVER THE BAY ISLANDS
OF HONDURAS TONIGHT...AND OVER THE COAST OF BELIZE AND THE
SOUTHEASTERN YUCATAN PENINSULA OF MEXICO SATURDAY OR SATURDAY
NIGHT. TROPICAL-STORM-FORCE WINDS ARE POSSIBLE ALONG THE NORTHERN
COAST OF HONDURAS TONIGHT...AND ALONG THE NORTHERN COAST OF
GUATEMALA ON SATURDAY.

RAINFALL...HARVEY IS EXPECTED TO PRODUCE TOTAL RAINFALL
ACCUMULATIONS OF 3 TO 5 INCHES ACROSS HONDURAS...GUATEMALA...AND
BELIZE AND THE YUCATAN PENINSULA OF MEXICO...WITH POSSIBLE ISOLATED
MAXIMUM AMOUNTS OF 8 INCHES. THESE RAINS COULD PRODUCE
LIFE-THREATENING FLASH FLOODS AND MUDSLIDES...ESPECIALLY OVER
HIGHER TERRAIN.


NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...800 PM EDT.
NEXT COMPLETE ADVISORY...1100 PM EDT.