NHC Graphical Outlook Archive

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GIS data: .shp

ZCZC MIATWOEP ALL
TTAA00 KNHC DDHHMM

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 AM PDT SUN AUG 21 2011

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

THE NATIONAL HURRICANE CENTER HAS ISSUED THE FINAL ADVISORY ON
GREG...WHICH IS NOW A POST-TROPICAL CYCLONE LOCATED LOCATED ABOUT
850 MILES WEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA.

1. THERE HAS BEEN NO CHANGE IN THE ORGANIZATION OF SHOWERS AND
THUNDERSTORMS ASSOCIATED WITH AN ELONGATED AREA OF LOW PRESSURE
LOCATED ABOUT 425 MILES SOUTH-SOUTHWEST OF MANZANILLO MEXICO DURING
THE PAST SEVERAL HOURS.  STRONG UPPER-LEVEL WINDS OVER THIS SYSTEM
ARE EXPECTED TO INCREASE FURTHER OVER THE NEXT COUPLE OF DAYS AND
WILL LIKELY INHIBIT ANY POTENTIAL FOR DEVELOPMENT.  THIS SYSTEM HAS
A LOW CHANCE...NEAR 0 PERCENT...OF BECOMING A TROPICAL CYCLONE AS
IT MOVES LITTLE DURING THE NEXT 48 HOURS.

2. SHOWERS AND THUNDERSTORMS OVER THE GULF OF THE TEHUANTEPEC HAVE
FORMED IN ASSOCIATION WITH THE SOUTHERN END OF THE TROPICAL WAVE
THAT PRODUCED TROPICAL STORM HARVEY.  DEVELOPMENT...IF ANY...OF
THIS DISTURBANCE IS EXPECTED TO BE SLOW TO OCCUR.  THIS SYSTEM HAS
A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING
THE NEXT 48 HOURS AS IT MOVES GENERALLY WESTWARD AT AROUND 10 MPH.  

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

$$
FORECASTER KIMBERLAIN
NNNN

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