Post by NHC Olney Maryland on Sept 25, 2010 11:00:13 GMT -5
BULLETIN
TROPICAL STORM MATTHEW ADVISORY NUMBER 8
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL152010
500 AM EDT SAT SEP 25 2010
...CENTER OF MATTHEW APPROACHING THE NORTHERN COAST OF HONDURAS NEAR
LA CEIBA...
SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...15.7N 86.3W
ABOUT 35 MI...55 KM ESE OF LA CEIBA HONDURAS
ABOUT 150 MI...245 KM ESE OF MONKEY RIVER TOWN BELIZE
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/HR
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 16 MPH...26 KM/HR
MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
NONE.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE COAST OF HONDURAS...INCLUDING THE OFFSHORE ISLANDS
* THE COAST OF BELIZE FROM BELIZE CITY SOUTHWARD
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* THE COAST OF BELIZE NORTH OF BELIZE CITY
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE
NEXT 24 HOURS.
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 24
HOURS.
TROPICAL STORM CONDITIONS ARE POSSIBLE ALONG THE CARIBBEAN COAST OF
GUATEMALA TODAY.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 AM EDT...0900 UTC...THE CENTER OF TROPICAL STORM MATTHEW WAS
LOCATED NEAR LATITUDE 15.7 NORTH...LONGITUDE 86.3 WEST. MATTHEW IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 16 MPH...26 KM/HR...AND THIS
MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS WITH A
GRADUAL DECREASE IN FORWARD SPEED. ON THE FORECAST TRACK...MATTHEW
WILL MOVE FROM NORTHERN HONDURAS INTO THE GULF OF HONDURAS THIS
MORNING...THEN MOVE ACROSS BELIZE AND NORTHERN GUATEMALA LATER
TODAY AND TONIGHT.
MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/HR...WITH HIGHER
GUSTS. SLIGHT STRENGTHENING IS POSSIBLE TODAY AS THE CENTER CROSSES
THE GULF OF HONDURAS...WITH WEAKENING EXPECTED AFTER LANDFALL IN
BELIZE.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM
MAINLY TO THE NORTH OF THE CENTER.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 998 MB...29.47 INCHES. LA
CEIBA RECENTLY REPORTED A PRESSURE OF 1002.7 MB MB...29.61 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM FORCE WINDS ARE OCCURRING WITHIN THE WARNING
AREA IN HONDURAS AND WILL CONTINUE TO SPREAD WESTWARD TODAY.
TROPICAL STORM FORCE WINDS WILL SPREAD INTO THE WARNING AREA IN
BELIZE LATER TODAY.
RAINFALL...MATTHEW IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS
OF 6 TO 10 INCHES OVER PORTIONS OF HONDURAS...SOUTHERN BELIZE...AND
GUATEMALA...WITH ISOLATED MAXIMUM AMOUNTS OF 15 INCHES POSSIBLE.
THESE RAINS COULD PRODUCE LIFE THREATENING FLASH FLOODS AND MUD
SLIDES.
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...800 AM EDT.
NEXT COMPLETE ADVISORY...1100 AM EDT.
TROPICAL STORM MATTHEW ADVISORY NUMBER 8
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL152010
500 AM EDT SAT SEP 25 2010
...CENTER OF MATTHEW APPROACHING THE NORTHERN COAST OF HONDURAS NEAR
LA CEIBA...
SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...15.7N 86.3W
ABOUT 35 MI...55 KM ESE OF LA CEIBA HONDURAS
ABOUT 150 MI...245 KM ESE OF MONKEY RIVER TOWN BELIZE
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/HR
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 16 MPH...26 KM/HR
MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
NONE.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE COAST OF HONDURAS...INCLUDING THE OFFSHORE ISLANDS
* THE COAST OF BELIZE FROM BELIZE CITY SOUTHWARD
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* THE COAST OF BELIZE NORTH OF BELIZE CITY
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE
NEXT 24 HOURS.
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 24
HOURS.
TROPICAL STORM CONDITIONS ARE POSSIBLE ALONG THE CARIBBEAN COAST OF
GUATEMALA TODAY.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 AM EDT...0900 UTC...THE CENTER OF TROPICAL STORM MATTHEW WAS
LOCATED NEAR LATITUDE 15.7 NORTH...LONGITUDE 86.3 WEST. MATTHEW IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 16 MPH...26 KM/HR...AND THIS
MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS WITH A
GRADUAL DECREASE IN FORWARD SPEED. ON THE FORECAST TRACK...MATTHEW
WILL MOVE FROM NORTHERN HONDURAS INTO THE GULF OF HONDURAS THIS
MORNING...THEN MOVE ACROSS BELIZE AND NORTHERN GUATEMALA LATER
TODAY AND TONIGHT.
MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/HR...WITH HIGHER
GUSTS. SLIGHT STRENGTHENING IS POSSIBLE TODAY AS THE CENTER CROSSES
THE GULF OF HONDURAS...WITH WEAKENING EXPECTED AFTER LANDFALL IN
BELIZE.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM
MAINLY TO THE NORTH OF THE CENTER.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 998 MB...29.47 INCHES. LA
CEIBA RECENTLY REPORTED A PRESSURE OF 1002.7 MB MB...29.61 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM FORCE WINDS ARE OCCURRING WITHIN THE WARNING
AREA IN HONDURAS AND WILL CONTINUE TO SPREAD WESTWARD TODAY.
TROPICAL STORM FORCE WINDS WILL SPREAD INTO THE WARNING AREA IN
BELIZE LATER TODAY.
RAINFALL...MATTHEW IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS
OF 6 TO 10 INCHES OVER PORTIONS OF HONDURAS...SOUTHERN BELIZE...AND
GUATEMALA...WITH ISOLATED MAXIMUM AMOUNTS OF 15 INCHES POSSIBLE.
THESE RAINS COULD PRODUCE LIFE THREATENING FLASH FLOODS AND MUD
SLIDES.
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...800 AM EDT.
NEXT COMPLETE ADVISORY...1100 AM EDT.