Rainshadow Posted September 5, 2018 Report Share Posted September 5, 2018 The GFS which brought you a stalling sub 900mb hurricane that ended as a snow storm in Canada has made another gem (we are not talking global gem) with the 12z run today. It is predicting 38 consecutive three hour periods (114 hours in all) of measurable precipitation in Philadelphia. Mind you, it might have been years since the last time Philadelphia had 38 consecutive hours of measurable precipitation. Anyway between 2 pm Thursday and 8 am Tuesday, forecast the number of 3 hour periods (can't be more than 39) (they run 2-5, 5-8, 8-11 & 11-2 am/pm) of measurable precipitation for PHL. The person who comes closest, wins the sleeve of cat golf balls that Parsley can't give away. If you win it & are at the outing, I'll give you the sleeve there. If not, we will mail them to you. If you guess the # on the dime, there may be an upgrade to Kirkland Balls. We are so confident you can outforecast the GFS in this regard, we are giving you the first two three hour periods away. The deadline for entry is 8 pm EDT on Thursday the 6th. Good luck! Quote Link to comment Share on other sites More sharing options...
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