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       W DDDFFF BTTUWN WXYRST REPRESENT TIMES IN 2 HOUR INCREMENTS
        W 	FORECAST FOR FIRST 2 HOURS	 E.G. 06Z-08Z OR 18Z20Z
        X 	FORECAST FOR SECOND 2 HOURS     	 E.G. 08Z-10Z OR 20Z-22Z
        Y	 FORECAST FOR THIRD 2 HOURS	 E.G. 10Z-12Z OR 22Z-24Z
        R	 FORECAST FOR FOURTH 2 HOURS 	  E.G. 12Z-14Z OR D1/00Z-02Z
        S	 FORECAST FOR FIFTH 2 HOURS 	E.G. 14Z-16Z OR D1/02Z-04Z
        T	 FORECAST FOR SIXTH 2 HOURS	 E.G. 16Z-18Z OR D1/04Z-06Z
       DDD WIND DIRECTION TOWARDS WHICH CHEMICALS ARE MOVING DEGREES
       FFF		 WIND SPEED KM/HR
       B 	AIR STABILITY 1VERY UNSTABLE 2UNSTABLE 3SLIGHTLY UNSTABLE
      	 4NEUTRAL 5SLIGHTLY STABLE 6STABLE 7VERY STABLE
       TT	 TEMPERATURE CELSIUS
       U	 RELATIVE HUMIDITY 00 TO 9 110-19 220 TO 29 330 TO
     	  39 440 TO 4g 550 TO 59 660 TO 69 770 TO 79
     	  880 TO 80 990 TO 100
       W	 SIGNIFICANT WEATHER PHENOMENA 3SAND STORM 4VISIBILITY LESS
               THAN 4 KM 5DRIZZLE 6RAIN 7RAIN NO SHOWERS 8RAIN SHOWERS -
    	     OR HAIL 9THUNDERSTORMS SELEVATED INVERSION LAYER.
     N	 CLOUD COVERAGE OSCATTERED lBROKEN 2 OVERCAST
     FORECASTER/QC: ISOM/MURPHY
     
MINIMIZE CONSIDERED

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