Post by NHC Olney Maryland on Sept 28, 2010 12:48:10 GMT -5
BULLETIN
TROPICAL DEPRESSION SIXTEEN INTERMEDIATE ADVISORY NUMBER 1A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL162010
200 PM EDT TUE SEP 28 2010
...TROPICAL DEPRESSION VERY CLOSE TO TROPICAL STORM STRENGTH...
SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...20.9N 82.5W
ABOUT 160 MI...255 KM S OF HAVANA CUBA
ABOUT 370 MI...595 KM SSW OF MIAMI FLORIDA
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/HR
PRESENT MOVEMENT...NNE OR 15 DEGREES AT 10 MPH...17 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 TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE CAYMAN ISLANDS
* THE PROVINCES OF CUBA FROM MATANZAS EASTWARD TO CIEGO DE AVILA
* THE NORTHWESTERN AND CENTRAL BAHAMAS
* JUPITER INLET SOUTHWARD TO EAST CAPE SABLE AND FLORIDA BAY
* THE FLORIDA KEYS
A TROPICAL STORM WATCH IN IN EFFECT FOR...
* NORTH OF JUPITER INLET TO SEBASTIAN INLET FLORIDA
* NORTH OF EAST CAPE SABLE TO CHOKOLOSKEE FLORIDA
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED
STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE
MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE
FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE
THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL
METEOROLOGICAL SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 200 PM EDT...1800 UTC...THE CENTER OF TROPICAL DEPRESSION
SIXTEEN WAS LOCATED NEAR LATITUDE 20.9 NORTH...LONGITUDE 82.5 WEST.
THE DEPRESSION IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 10 MPH...17
KM/HR. A GENERALLY NORTH-NORTHEASTWARD MOTION WITH SOME INCREASE IN
FORWARD SPEED IS EXPECTED OVER THE NEXT DAY OR TWO. ON THE
FORECAST TRACK THE CENTER OF THE TROPICAL CYCLONE WILL CROSS CUBA
TONIGHT AND BE NEAR SOUTHEASTERN FLORIDA BY WEDNESDAY AFTERNOON.
HOWEVER...IN THIS CASE MOST OF THE STRONG WINDS AND HEAVY RAINS ARE
OCCURING A COUPLE HUNDRED MILES TO THE EAST AND SOUTHEAST OF THE
CENTER.
MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH...55 KM/HR...WITH HIGHER
GUSTS. SOME STRENGTHENING IS FORECAST DURING THE NEXT DAY OR SO AND
THE DEPRESSION IS EXPECTED TO BECOME A TROPICAL STORM LATER
TODAY...BEFORE MERGING WITH A FRONTAL ZONE ON THURSDAY.
SURFACE OBSERVATIONS INDICATE THAT THE MINIMUM CENTRAL PRESSURE IS
1000 MB...29.53 INCHES.
HAZARDS AFFECTING LAND
----------------------
RAINFALL...THE DEPRESSION IS EXPECTED TO PRODUCE TOTAL RAIN
ACCUMULATIONS OF 5 TO 10 INCHES OVER THE CAYMAN ISLANDS...
JAMAICA...AND CUBA. ISOLATED MAXIMUM AMOUNTS OF 20 INCHES ARE
POSSIBLE OVER THE HIGHER ELEVATIONS OF CUBA AND JAMAICA. THESE
RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES.
RAIN ACCUMULATIONS OF 4 TO 8 INCHES ARE POSSIBLE OVER PORTIONS OF
EXTREME SOUTHERN FLORIDA AND THE FLORIDA KEYS.
WIND...TROPICAL STORM CONDITIONS WILL BE AFFECTING THE WARNING AREAS
IN THE CARIBBEAN TODAY AND SPREAD INTO THE BAHAMAS AND PORTIONS OF
SOUTH FLORIDA ON WEDNESDAY.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...500 PM EDT.
TROPICAL DEPRESSION SIXTEEN INTERMEDIATE ADVISORY NUMBER 1A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL162010
200 PM EDT TUE SEP 28 2010
...TROPICAL DEPRESSION VERY CLOSE TO TROPICAL STORM STRENGTH...
SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...20.9N 82.5W
ABOUT 160 MI...255 KM S OF HAVANA CUBA
ABOUT 370 MI...595 KM SSW OF MIAMI FLORIDA
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/HR
PRESENT MOVEMENT...NNE OR 15 DEGREES AT 10 MPH...17 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 TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE CAYMAN ISLANDS
* THE PROVINCES OF CUBA FROM MATANZAS EASTWARD TO CIEGO DE AVILA
* THE NORTHWESTERN AND CENTRAL BAHAMAS
* JUPITER INLET SOUTHWARD TO EAST CAPE SABLE AND FLORIDA BAY
* THE FLORIDA KEYS
A TROPICAL STORM WATCH IN IN EFFECT FOR...
* NORTH OF JUPITER INLET TO SEBASTIAN INLET FLORIDA
* NORTH OF EAST CAPE SABLE TO CHOKOLOSKEE FLORIDA
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED
STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE
MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE
FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE
THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL
METEOROLOGICAL SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 200 PM EDT...1800 UTC...THE CENTER OF TROPICAL DEPRESSION
SIXTEEN WAS LOCATED NEAR LATITUDE 20.9 NORTH...LONGITUDE 82.5 WEST.
THE DEPRESSION IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 10 MPH...17
KM/HR. A GENERALLY NORTH-NORTHEASTWARD MOTION WITH SOME INCREASE IN
FORWARD SPEED IS EXPECTED OVER THE NEXT DAY OR TWO. ON THE
FORECAST TRACK THE CENTER OF THE TROPICAL CYCLONE WILL CROSS CUBA
TONIGHT AND BE NEAR SOUTHEASTERN FLORIDA BY WEDNESDAY AFTERNOON.
HOWEVER...IN THIS CASE MOST OF THE STRONG WINDS AND HEAVY RAINS ARE
OCCURING A COUPLE HUNDRED MILES TO THE EAST AND SOUTHEAST OF THE
CENTER.
MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH...55 KM/HR...WITH HIGHER
GUSTS. SOME STRENGTHENING IS FORECAST DURING THE NEXT DAY OR SO AND
THE DEPRESSION IS EXPECTED TO BECOME A TROPICAL STORM LATER
TODAY...BEFORE MERGING WITH A FRONTAL ZONE ON THURSDAY.
SURFACE OBSERVATIONS INDICATE THAT THE MINIMUM CENTRAL PRESSURE IS
1000 MB...29.53 INCHES.
HAZARDS AFFECTING LAND
----------------------
RAINFALL...THE DEPRESSION IS EXPECTED TO PRODUCE TOTAL RAIN
ACCUMULATIONS OF 5 TO 10 INCHES OVER THE CAYMAN ISLANDS...
JAMAICA...AND CUBA. ISOLATED MAXIMUM AMOUNTS OF 20 INCHES ARE
POSSIBLE OVER THE HIGHER ELEVATIONS OF CUBA AND JAMAICA. THESE
RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES.
RAIN ACCUMULATIONS OF 4 TO 8 INCHES ARE POSSIBLE OVER PORTIONS OF
EXTREME SOUTHERN FLORIDA AND THE FLORIDA KEYS.
WIND...TROPICAL STORM CONDITIONS WILL BE AFFECTING THE WARNING AREAS
IN THE CARIBBEAN TODAY AND SPREAD INTO THE BAHAMAS AND PORTIONS OF
SOUTH FLORIDA ON WEDNESDAY.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...500 PM EDT.