Post by NHC Olney Maryland on Sept 24, 2010 10:50:51 GMT -5
BULLETIN
TROPICAL STORM MATTHEW INTERMEDIATE ADVISORY NUMBER 4A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL152010
800 AM EDT FRI SEP 24 2010
...MATTHEW HEADING TOWARD CENTRAL AMERICA...
SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...14.3N 80.7W
ABOUT 170 MI...275 KM ESE OF CABO GRACIAS A DIOS ON NIC/HON BORDER
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/HR
PRESENT MOVEMENT...W OR 275 DEGREES AT 16 MPH...26 KM/HR
MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
NONE.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A HURRICANE WARNING IS IN EFFECT FOR...
* PUERTO CABEZAS NICARAGUA TO LIMON HONDURAS...INCLUDING THE
OFFSHORE ISLANDS
A HURRICANE WATCH IS IN EFFECT FOR...
* THE COAST OF BELIZE
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* LIMON HONDURAS WESTWARD TO THE GUATEMALA BORDER
WATCHES OR WARNINGS COULD BE REQUIRED FOR THE COAST OF
GUATEMALA LATER TODAY.
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 12 TO 24
HOURS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED
TO COMPLETION.
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE
WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR
DANGEROUS.
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN
24 TO 36 HOURS.
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 MATTHEW WAS
ESTIMATED NEAR LATITUDE 14.3 NORTH...LONGITUDE 80.7 WEST. MATTHEW
IS MOVING TOWARD THE WEST NEAR 16 MPH...26 KM/HR. A GRADUAL TURN
TOWARD THE WEST-NORTHWEST AND A DECREASE IN FORWARD SPEED ARE
EXPECTED DURING THE NEXT 48 HOURS. ON THE FORECAST TRACK...THE
CENTER OF MATTHEW IS EXPECTED TO BE NEAR OR OVER NORTHEASTERN
NICARAGUA AND EASTERN HONDURAS LATER TODAY...THEN MOVE NEAR OR OVER
THE COAST OF NORTHERN HONDURAS TONIGHT AND SATURDAY.
MAXIMUM SUSTAINED WINDS REMAIN NEAR 50 MPH...85 KM/HR...WITH HIGHER
GUSTS. MATTHEW COULD BE NEAR HURRICANE STRENGTH BEFORE IT MOVES
CLOSE TO CENTRAL AMERICA LATE TODAY. SATELLITE IMAGES INDICATE THAT
STRONG SQUALLS ARE ALREADY APPROACHING THE NORTHEAST COAST OF
NICARAGUA AND EASTERN HONDURAS.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM
FROM THE CENTER. THE NOAA BUOY 42057 LOCATED IN THE NORTHWESTERN
CARIBBEAN SEA TO THE NORTH OF MATTHEW RECENTLY REPORTED GUSTS TO
43 MPH...69 KM/HR.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO FIRST REACH THE
COAST WITHIN THE HURRICANE WARNING AREA BY THIS AFTERNOON.
HURRICANE CONDITIONS ARE EXPECTED IN THE HURRICANE WARNING AREA
BY TONIGHT.
STORM SURGE...A STORM SURGE IS EXPECTED TO PRODUCE SOME COASTAL
FLOODING NEAR AND TO THE NORTH OF WHERE THE CENTER OF MATTHEW MAKES
LANDFALL. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE
AND DANGEROUS WAVES.
RAINFALL...MATTHEW IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS
OF 6 TO 10 INCHES OVER PORTIONS OF NICARAGUA AND HONDURAS...WITH
ISOLATED MAXIMUM AMOUNTS OF 15 INCHES POSSIBLE. THESE RAINFALL
TOTALS MAY PRODUCE LIFE THREATENING FLASH FLOODS AND MUD SLIDES.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1100 AM EDT.
TROPICAL STORM MATTHEW INTERMEDIATE ADVISORY NUMBER 4A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL152010
800 AM EDT FRI SEP 24 2010
...MATTHEW HEADING TOWARD CENTRAL AMERICA...
SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...14.3N 80.7W
ABOUT 170 MI...275 KM ESE OF CABO GRACIAS A DIOS ON NIC/HON BORDER
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/HR
PRESENT MOVEMENT...W OR 275 DEGREES AT 16 MPH...26 KM/HR
MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
NONE.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A HURRICANE WARNING IS IN EFFECT FOR...
* PUERTO CABEZAS NICARAGUA TO LIMON HONDURAS...INCLUDING THE
OFFSHORE ISLANDS
A HURRICANE WATCH IS IN EFFECT FOR...
* THE COAST OF BELIZE
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* LIMON HONDURAS WESTWARD TO THE GUATEMALA BORDER
WATCHES OR WARNINGS COULD BE REQUIRED FOR THE COAST OF
GUATEMALA LATER TODAY.
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 12 TO 24
HOURS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED
TO COMPLETION.
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE
WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR
DANGEROUS.
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN
24 TO 36 HOURS.
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 MATTHEW WAS
ESTIMATED NEAR LATITUDE 14.3 NORTH...LONGITUDE 80.7 WEST. MATTHEW
IS MOVING TOWARD THE WEST NEAR 16 MPH...26 KM/HR. A GRADUAL TURN
TOWARD THE WEST-NORTHWEST AND A DECREASE IN FORWARD SPEED ARE
EXPECTED DURING THE NEXT 48 HOURS. ON THE FORECAST TRACK...THE
CENTER OF MATTHEW IS EXPECTED TO BE NEAR OR OVER NORTHEASTERN
NICARAGUA AND EASTERN HONDURAS LATER TODAY...THEN MOVE NEAR OR OVER
THE COAST OF NORTHERN HONDURAS TONIGHT AND SATURDAY.
MAXIMUM SUSTAINED WINDS REMAIN NEAR 50 MPH...85 KM/HR...WITH HIGHER
GUSTS. MATTHEW COULD BE NEAR HURRICANE STRENGTH BEFORE IT MOVES
CLOSE TO CENTRAL AMERICA LATE TODAY. SATELLITE IMAGES INDICATE THAT
STRONG SQUALLS ARE ALREADY APPROACHING THE NORTHEAST COAST OF
NICARAGUA AND EASTERN HONDURAS.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM
FROM THE CENTER. THE NOAA BUOY 42057 LOCATED IN THE NORTHWESTERN
CARIBBEAN SEA TO THE NORTH OF MATTHEW RECENTLY REPORTED GUSTS TO
43 MPH...69 KM/HR.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO FIRST REACH THE
COAST WITHIN THE HURRICANE WARNING AREA BY THIS AFTERNOON.
HURRICANE CONDITIONS ARE EXPECTED IN THE HURRICANE WARNING AREA
BY TONIGHT.
STORM SURGE...A STORM SURGE IS EXPECTED TO PRODUCE SOME COASTAL
FLOODING NEAR AND TO THE NORTH OF WHERE THE CENTER OF MATTHEW MAKES
LANDFALL. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE
AND DANGEROUS WAVES.
RAINFALL...MATTHEW IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS
OF 6 TO 10 INCHES OVER PORTIONS OF NICARAGUA AND HONDURAS...WITH
ISOLATED MAXIMUM AMOUNTS OF 15 INCHES POSSIBLE. THESE RAINFALL
TOTALS MAY PRODUCE LIFE THREATENING FLASH FLOODS AND MUD SLIDES.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1100 AM EDT.