000
ABNT20 KNHC 211143
TWOAT 
TROPICAL WEATHER OUTLOOK
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
800 AM EDT THU OCT 21 2010

FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO...

THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL
DEPRESSION NINETEEN LOCATED ABOUT 160 MILES SOUTH-SOUTHEAST OF
GRAND CAYMAN.

A BROAD LOW PRESSURE SYSTEM LOCATED ABOUT 350 MILES SOUTH-SOUTHEAST
OF THE CAPE VERDE ISLANDS IS PRODUCING A LARGE AREA OF CLOUDINESS
AND THUNDERSTORMS OVER THE FAR EASTERN TROPICAL ATLANTIC. EVEN
THOUGH THIS IS HISTORICALLY NOT A FAVORABLE AREA FOR TROPICAL
CYCLONE FORMATION IN LATE OCTOBER...THIS SYSTEM IS SHOWING SOME
SIGNS OF ORGANIZATION...AND ENVIRONMENTAL CONDITIONS ARE MARGINALLY
CONDUCIVE FOR SOME ADDITIONAL DEVELOPMENT TO OCCUR. THERE IS A LOW
CHANCE...10 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE
DURING THE NEXT 48 HOURS AS IT MOVES TO THE WEST-NORTHWEST OR
NORTHWEST AT 10 TO 15 MPH.  LOCALLY HEAVY RAINFALL IS POSSIBLE OVER
THE SOUTHERN CAPE VERDE ISLANDS TODAY AND TONIGHT.  
  
ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

PUBLIC ADVISORIES ON TROPICAL DEPRESSION NINETEEN ARE ISSUED UNDER
WMO HEADER WTNT34 KNHC AND UNDER AWIPS HEADER MIATCPAT4.
FORECAST/ADVISORIES ARE ISSUED UNDER WMO HEADER WTNT24 KNHC AND
UNDER AWIPS HEADER MIATCMAT4.

$$
FORECASTER STEWART/BLAKE