11 PM EST Updates:

AT 1100 PM AST...0300 UTC....THE GOVERNMENT OF THE DOMINICAN REPUBLIC HAS ISSUED A TROPICAL STORM WARNING
FOR THE NORTHERN COAST OF THE DOMINICAN REPUBLIC FROM CABO ENGANO WESTWARD TO BAHIO DE MANZANILLO AT THE BORDER OF THE DOMINICAN REPUBLIC AND HAITI.
... AND A TROPICAL STORM WATCH FOR THE SOUTHERN COAST OF THE DOMINICAN REPUBLIC FROM CABO ENGANO TO PUNTA PALENQUE SOUTHWEST OF SANTO DOMINGO.

INTERESTS IN PUERTO RICO AND THE VIRGIN ISLANDS SHOULD MONITOR THE PROGRESS OF OLGA.
http://www.nhc.noaa.gov/text/refresh/MIATCPAT2+shtml/110232.shtml

***********************
SW N ATLC S OF 31N W OF 65W INCLUDING BAHAMAS
1030 PM EST MON DEC 10 2007

TROPICAL STORM WARNING FROM 19N TO 22N E OF 71W

TONIGHT AND TUE
TROPICAL STORM FORCE OR GREATER WINDS WITHIN 175 NM N SEMICIRCLE OF OLGA WITH HIGHEST WINDS 35 KT GUSTS 45 KT INCREASING TO 40 KT GUSTS 50 KT TUE.
SEAS 12 FT OR GREATER IN AREA OF TROPICAL STORM FORCE WIND OR GREATER WITH HIGHEST SEAS 18 FT.

ELSEWHERE S OF 25N E OF 76W
NE TO E WINDS 25 TO 30 KT WITH HIGHER GUSTS. SEAS 10 TO 16 FT IN E SWELL E OF BAHAMAS AND 7 TO 10 FT W OF BAHAMAS.
FROM 25N TO 28N AND S OF 28N W OF 76W
NE TO E 15 TO 20 KT. SEAS 8 TO 12 FT IN NE SWELL.
N OF 28N
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 8 FT IN SE SWELL.
NUMEROUS SQUALLS WITHIN 240 NM OF OLGA. SCATTERED SHOWERS AND TSTMS ELSEWHERE S OF 23N E OF 72W...SPREADING W.

http://www.srh.noaa.gov/shmrn.php?mz=amz080

The upper image is the JSL enhancement. The RED areas are indicators of higher intensity convection.

As evidenced by the lower image, or RGB enhancement.
Lightning strikes (bright white dots) indicating convection and an intensifying system.