Post by NHC Olney Maryland on Sept 25, 2010 11:02:20 GMT -5
BULLETIN
TROPICAL STORM MATTHEW ADVISORY NUMBER 9
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL152010
1100 AM EDT SAT SEP 25 2010
...MATTHEW FORECAST TO WEAKEN BUT EXPECTED TO PRODUCE TORRENTIAL
RAINS OVER CENTRAL AMERICA...
SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...16.2N 87.8W
ABOUT 45 MI...75 KM E OF MONKEY RIVER TOWN BELIZE
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/HR
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 15 MPH...24 KM/HR
MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
THE GOVERNMENT OF HONDURAS HAS DISCONTINUED THE TROPICAL STORM
WARNING EAST OF PUNTA SAL ON THE NORTH COAST OF HONDURAS.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE COAST OF HONDURAS FROM PUNTA SAL WESTWARD...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 12 HOURS.
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 12
HOURS.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM EDT...1500 UTC...THE CENTER OF TROPICAL STORM MATTHEW WAS
LOCATED NEAR LATITUDE 16.2 NORTH...LONGITUDE 87.8 WEST. MATTHEW IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...24 KM/HR...AND THIS
MOTION WITH A DECREASE IN FORWARD SPEED IS EXPECTED DURING THE NEXT
DAY OR TWO. THE FORECAST TRACK BRINGS THE BROAD CIRCULATION
ASSOCIATED WITH MATTHEW ACROSS BELIZE AND GUATEMALA DURING THE NEXT
24 TO 48 HOURS.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 40 MPH...65 KM/HR...
WITH HIGHER GUSTS. MATTHEW IS FORECAST TO BECOME A TROPICAL
DEPRESSION LATER TODAY AND DISSIPATE OVER CENTRAL AMERICA IN THE
NEXT DAY OR TWO.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM
TO THE NORTH OF THE CENTER.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM FORCE WINDS...MAINLY IN GUSTS...ARE OCCURRING
OVER THE COASTAL SECTIONS OF WESTERN HONDURAS AND WILL LIKELY
SPREAD WESTWARD 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...BELIZE...
GUATEMALA...AND THE MEXICAN STATE OF CHIAPAS WITH ISOLATED MAXIMUM
AMOUNTS OF 15 INCHES POSSIBLE. THESE RAINS COULD PRODUCE LIFE
THREATENING FLASH FLOODS AND MUD SLIDES. A HEAVY RAIN THREAT SHOULD
CONTINUE OVER CENTRAL AMERICA EVEN AFTER MATTHEW DISSIPATES.
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...200 PM EDT.
NEXT COMPLETE ADVISORY...500 PM EDT.
TROPICAL STORM MATTHEW ADVISORY NUMBER 9
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL152010
1100 AM EDT SAT SEP 25 2010
...MATTHEW FORECAST TO WEAKEN BUT EXPECTED TO PRODUCE TORRENTIAL
RAINS OVER CENTRAL AMERICA...
SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...16.2N 87.8W
ABOUT 45 MI...75 KM E OF MONKEY RIVER TOWN BELIZE
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/HR
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 15 MPH...24 KM/HR
MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
THE GOVERNMENT OF HONDURAS HAS DISCONTINUED THE TROPICAL STORM
WARNING EAST OF PUNTA SAL ON THE NORTH COAST OF HONDURAS.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE COAST OF HONDURAS FROM PUNTA SAL WESTWARD...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 12 HOURS.
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 12
HOURS.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM EDT...1500 UTC...THE CENTER OF TROPICAL STORM MATTHEW WAS
LOCATED NEAR LATITUDE 16.2 NORTH...LONGITUDE 87.8 WEST. MATTHEW IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...24 KM/HR...AND THIS
MOTION WITH A DECREASE IN FORWARD SPEED IS EXPECTED DURING THE NEXT
DAY OR TWO. THE FORECAST TRACK BRINGS THE BROAD CIRCULATION
ASSOCIATED WITH MATTHEW ACROSS BELIZE AND GUATEMALA DURING THE NEXT
24 TO 48 HOURS.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 40 MPH...65 KM/HR...
WITH HIGHER GUSTS. MATTHEW IS FORECAST TO BECOME A TROPICAL
DEPRESSION LATER TODAY AND DISSIPATE OVER CENTRAL AMERICA IN THE
NEXT DAY OR TWO.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM
TO THE NORTH OF THE CENTER.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM FORCE WINDS...MAINLY IN GUSTS...ARE OCCURRING
OVER THE COASTAL SECTIONS OF WESTERN HONDURAS AND WILL LIKELY
SPREAD WESTWARD 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...BELIZE...
GUATEMALA...AND THE MEXICAN STATE OF CHIAPAS WITH ISOLATED MAXIMUM
AMOUNTS OF 15 INCHES POSSIBLE. THESE RAINS COULD PRODUCE LIFE
THREATENING FLASH FLOODS AND MUD SLIDES. A HEAVY RAIN THREAT SHOULD
CONTINUE OVER CENTRAL AMERICA EVEN AFTER MATTHEW DISSIPATES.
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...200 PM EDT.
NEXT COMPLETE ADVISORY...500 PM EDT.