Hurricane Ernesto

Public Advisory 23A



957
WTNT35 KNHC 071159
TCPAT5

BULLETIN
TROPICAL STORM ERNESTO INTERMEDIATE ADVISORY NUMBER 23A
NWS NATIONAL HURRICANE CENTER MIAMI FL AL052012
800 AM EDT TUE AUG 07 2012

...ERNESTO CONTINUES TO HEADS TOWARD THE YUCATAN PENINSULA...


SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...17.8N 84.4W
ABOUT 250 MI...405 KM E OF BELIZE CITY
ABOUT 180 MI...285 KM NE OF ISLA ROATAN HONDURAS
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...WNW OR 295 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...989 MB...29.20 INCHES


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

THE GOVERNMENT OF MEXICO HAS REPLACED THE TROPICAL STORM WATCH
WITH A TROPICAL STORM WARNING FOR THE WEST COAST OF THE YUCATAN
PENINSULA FROM CELESTUN SOUTHWARD AND WESTWARD TO CHILITEPEC.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WARNING IS IN EFFECT FOR...
* CHETUMAL TO PUNTA ALLEN ON THE EAST COAST OF THE YUCATAN PENINSULA
* THE ENTIRE COAST OF BELIZE

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE COAST OF HONDURAS FROM THE HONDURAS/NICARAGUA BORDER WESTWARD
TO PUNTA SAL...INCLUDING THE BAY ISLANDS
* NORTH OF PUNTA ALLEN TO CANCUN ON THE EAST COAST OF THE YUCATAN
PENINSULA
* FROM CELESTUN SOUTHWARD TO CHILITEPEC ALONG THE WEST COAST OF
THE YUCATAN PENINSULA.

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* THE COAST OF HONDURAS FROM WEST OF PUNTA SAL TO THE
HONDURAS/GUATEMALA BORDER

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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 800 AM EDT...1200 UTC...THE CENTER OF TROPICAL STORM ERNESTO WAS
LOCATED NEAR LATITUDE 17.8 NORTH...LONGITUDE 84.4 WEST. ERNESTO IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 13 MPH...20 KM/H. THIS
GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH TONIGHT...FOLLOWED BY
A TURN TOWARD THE WEST ON WEDNESDAY. ON THE FORECAST TRACK...THE
CENTER WILL BE PASSING NORTH OF THE COAST OF HONDURAS TODAY...AND
WILL APPROACH THE EAST COAST OF THE YUCATAN PENINSULA TONIGHT. THE
CENTER OF ERNESTO IS FORECAST TO MOVE ACROSS THE YUCATAN PENINSULA
LATE TONIGHT AND EARLY WEDNESDAY...AND EMERGE OVER THE BAY OF
CAMPECHE WEDNESDAY AFTERNOON.

MAXIMUM SUSTAINED WINDS ARE NEAR 65 MPH...100 KM/H...WITH HIGHER
GUSTS. STRENGTHENING IS EXPECTED...AND ERNESTO IS FORECAST TO
BECOME A HURRICANE BEFORE IT REACHES THE YUCATAN PENINSULA.
WEAKENING IS EXPECTED AS ERNESTO MOVES OVER LAND.

TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 125 MILES...205 KM
FROM THE CENTER.

THE MINIMUM CENTRAL PRESSURE ESTIMATED FROM AIR FORCE HURRICANE
HUNTER DATA IS 989 MB...29.20 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED IN THE TROPICAL STORM
WARNING AREA ALONG THE COAST OF HONDURAS THROUGH TODAY. HURRICANE
CONDITIONS ARE EXPECTED TO REACH THE COASTS OF BELIZE AND MEXICO
TONIGHT OR EARLY WEDNESDAY...WITH TROPICAL STORM CONDITIONS POSSIBLE
BY THIS AFTERNOON. TROPICAL STORM CONDITIONS ARE EXPECTED ALONG
PORTIONS OF THE WEST COAST OF THE YUCATAN PENINSULA BY WEDNESDAY
AFTERNOON.

RAINFALL...ERNESTO IS EXPECTED TO PRODUCE RAINFALL ACCUMULATIONS OF
3 TO 5 INCHES ALONG THE NORTHERN COAST OF HONDURAS...WITH ISOLATED
MAXIMUM AMOUNTS OF 8 INCHES OVER MOUNTAINOUS TERRAIN. TOTAL
RAINFALL AMOUNTS OF 4 TO 8 INCHES WITH ISOLATED MAXIMUM AMOUNTS
OF 12 INCHES ARE EXPECTED OVER BELIZE...THE SOUTHERN PORTIONS OF
THE YUCATAN PENINSULA...AND NORTHERN GUATEMALA. THESE RAINS ARE
LIKELY TO CAUSE DANGEROUS FLASH FLOODS AND MUD SLIDES OVER
HIGHER TERRAIN.

STORM SURGE...A DANGEROUS STORM SURGE WILL RAISE WATER LEVELS BY
AS MUCH AS 2 TO 4 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 WILL BE ACCOMPANIED
BY LARGE AND DANGEROUS WAVES.


NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1100 AM EDT.

$$
FORECASTER PASCH