Post by NHC Olney Maryland on Sept 28, 2010 10:54:49 GMT -5
BULLETIN
TROPICAL DEPRESSION MATTHEW ADVISORY NUMBER 10
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL152010
400 PM CDT SAT SEP 25 2010
...LARGE CIRCULATION OF MATTHEW DRENCHING CENTRAL AMERICA...
SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...17.4N 89.4W
ABOUT 105 MI...170 KM SW OF CHETUMAL MEXICO
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/HR
PRESENT MOVEMENT...NW OR 310 DEGREES AT 14 MPH...22 KM/HR
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 400 PM CDT...2100 UTC...THE CENTER OF TROPICAL DEPRESSION MATTHEW
WAS LOCATED NEAR LATITUDE 17.4 NORTH...LONGITUDE 89.4 WEST. THE
DEPRESSION IS MOVING TOWARD THE NORTHWEST NEAR 14 MPH...22 KM/HR.
HOWEVER...MATTHEW IS FORECAST TO SLOW DOWN SIGNIFICANTLY AND BECOME
NEARLY STATIONARY DURING THE NEXT DAY OT TWO.
MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH...55 KM/HR...WITH HIGHER
GUSTS. GRADUAL WEAKENING IS FORECAST...AND MATTHEW WILL LIKELY
BECOME A REMNANT LOW IN A DAY OR TWO.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1003 MB...29.62 INCHES.
HAZARDS AFFECTING LAND
----------------------
RAINFALL...MATTHEW IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS
OF 6 TO 10 INCHES OVER PORTIONS OF 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 COMPLETE ADVISORY...1000 PM CDT.
TROPICAL DEPRESSION MATTHEW ADVISORY NUMBER 10
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL152010
400 PM CDT SAT SEP 25 2010
...LARGE CIRCULATION OF MATTHEW DRENCHING CENTRAL AMERICA...
SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...17.4N 89.4W
ABOUT 105 MI...170 KM SW OF CHETUMAL MEXICO
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/HR
PRESENT MOVEMENT...NW OR 310 DEGREES AT 14 MPH...22 KM/HR
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 400 PM CDT...2100 UTC...THE CENTER OF TROPICAL DEPRESSION MATTHEW
WAS LOCATED NEAR LATITUDE 17.4 NORTH...LONGITUDE 89.4 WEST. THE
DEPRESSION IS MOVING TOWARD THE NORTHWEST NEAR 14 MPH...22 KM/HR.
HOWEVER...MATTHEW IS FORECAST TO SLOW DOWN SIGNIFICANTLY AND BECOME
NEARLY STATIONARY DURING THE NEXT DAY OT TWO.
MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH...55 KM/HR...WITH HIGHER
GUSTS. GRADUAL WEAKENING IS FORECAST...AND MATTHEW WILL LIKELY
BECOME A REMNANT LOW IN A DAY OR TWO.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1003 MB...29.62 INCHES.
HAZARDS AFFECTING LAND
----------------------
RAINFALL...MATTHEW IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS
OF 6 TO 10 INCHES OVER PORTIONS OF 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 COMPLETE ADVISORY...1000 PM CDT.