Example - Tropical Weather Outlook

ABNT20 KNHC 081755
TWOAT

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT SAT OCT 8 2011

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

THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL
STORM PHILIPPE...LOCATED ABOUT 1215 MILES WEST OF THE AZORES.

A SURFACE TROUGH LOCATED FROM THE EXTREME NORTHWESTERN CARIBBEAN SEA
ACROSS CENTRAL CUBA AND INTO THE CENTRAL BAHAMAS IS PRODUCING
WIDESPREAD CLOUDINESS AND THUNDERSTORMS OVER MUCH OF CENTRAL AND
EASTERN CUBA...ALL OF THE BAHAMAS...AND ADJACENT ATLANTIC WATERS. THE 
TROUGH HAS BECOME A LITTLE BETTER DEFINED AND SURFACE PRESSURES ARE 
SLOWLY FALLING. GRADUAL DEVELOPMENT OF THIS LARGE AREA OF DISTURBED 
WEATHER IS POSSIBLE OVER THE NEXT FEW DAYS AS IT MOVES WESTWARD OR 
NORTHWESTWARD AT 5 TO 10 MPH. THIS SYSTEM HAS A MEDIUM 
CHANCE...30 PERCENT...OF BECOMING A TROPICAL OR SUBTROPICAL CYCLONE 
DURING THE NEXT 48 HOURS. ADDITIONAL INFORMATION ON THIS DEVELOPING 
GALE AREA CAN BE FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL 
WEATHER SERVICE.

A NON-TROPICAL LOW PRESSURE SYSTEM LOCATED ABOUT 425 MILES
SOUTHWEST OF AZORES ISLANDS CONTINUES TO PRODUCE GALE FORCE WINDS OVER
AN AREA EXTENDING SEVERAL HUNDRED MILES TO THE NORTH OF THE CENTER. 
THE ASSOCIATED SHOWERS AND THUNDERSTORMS CONTINUE TO SHOW SIGNS OF
ORGANIZATION...AND THE LOW COULD ACQUIRE SUBTROPICAL CHARACTERISTICS
TONIGHT OR ON TUESDAY.  THIS SYSTEM HAS A HIGH 
CHANCE...60 PERCENT...OF BECOMING A SUBTROPICAL CYCLONE DURING THE 
NEXT 48 HOURS AS IT MOVES SLOWLY WESTWARD TODAY AND NORTHWESTWARD ON 
TUESDAY.  ADDITIONAL INFORMATION ON THIS LOW PRESSURE AREA CAN BE 
FOUND IN HIGH SEAS FORECASTS ISSUED BY THE METEO FRANCE MET OFFICE.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

&&
PUBLIC ADVISORIES ON PHILIPPE ARE ISSUED UNDER WMO HEADER WTNT32 KNHC
AND UNDER AWIPS HEADER MIATCPAT2.  FORECAST/ADVISORIES ARE ISSUED
UNDER WMO HEADER WTNT22 KNHC AND UNDER AWIPS HEADER MIATCMAT2.

HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE CAN BE 
FOUND UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC. HIGH 
SEAS FORECASTS ISSUED BY THE METEO FRANCE MET OFFICE CAN BE FOUND 
UNDER WMO HEADER FQNT50 LFPW.

$$

FORECASTER STEWART

Example - Special Tropical Weather Outlook

000
ABNT20 KNHC 242152
TWOAT 

SPECIAL TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
555 PM EDT MON AUG 24 2009

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

SPECIAL OUTLOOK ISSUED TO ADD DISCUSSION OF AREA IN THE SOUTHWESTERN
CARIBBEAN. 

UPDATED...A BROAD AREA OF LOW PRESSURE LOCATED OVER THE SOUTHWESTERN
CARIBBEAN SEA IS PRODUCING SCATTERED SHOWER AND THUNDERSTORM
ACTIVITY. ANY FURTHER DEVELOPMENT OF THIS SYSTEM SHOULD BE SLOW TO
OCCUR DUE TO PROXIMITY TO LAND. REGARDLESS OF DEVELOPMENT...HEAVY
RAINFALL IS POSSIBLE OVER NICARAGUA...COSTA RICA...AND PANAMA
TONIGHT AND TUESDAY AS THE LOW MOVES WESTWARD AT 20 TO 25 MPH.
THERE IS A LOW CHANCE...20 PERCENT...OF THIS SYSTEM BECOMING A 
TROPICAL CYCLONE DURING THE NEXT 48 HOURS.

DISORGANIZED SHOWERS AND THUNDERSTORMS A FEW HUNDRED MILES EAST OF
THE LEEWARD ISLANDS CONTINUE IN ASSOCIATION WITH A TROPICAL WAVE
INTERACTING WITH AN UPPER-LEVEL LOW. SOME SLOW DEVELOPMENT OF THIS
SYSTEM IS POSSIBLE OVER THE NEXT COUPLE OF DAYS AS IT MOVES TOWARD
THE WEST-NORTHWEST AT 20 TO 25 MPH. THERE IS A MEDIUM CHANCE...30
PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 
48 HOURS.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

$$
FORECASTER BRENNAN