SOARING FORECAST FOR MAY 15 - 17, 2010

WEATHER FORECAST FOR SCSA (CRYSTALAIRE - 46CN) MAY 15 - 17, 2010THIS WEEKEND (SATURDAY THROUGH MONDAY)The return of FANTASTIC soaring conditions is forecast this weekend. We haven't seen a forecast with thermal heights above 10,000 for a long time. Temps in the upper eighties this weekend will facilitate great thermal potential with predicted velocities up to 700 FPM. Monday the wind direction is forecast to change to the southeast (soaring conditions will continue to be excellent) indicating the brief passage of a low ahead of a large high pressure system that will bring hot dry offshore weather to the southwest through next week. See the jetstream graphic in this post. Pilots on Friday were flying cross-country triangles exploiting the great conditions that are here the next few days.Dr Jack's predictions indicate SATURDAY the ceiling of useable lift will be at 12,000 feet with 700 fpm of lift at the field.SUNDAYpredictions point to 700 FPM of lift at the field to 13,000 feet.MONDAYpredictions again point to 600 FPM of lift at the field to 11,000 feet.Dr. Jack's Blipmaps and soaring predictions are free with a simple registration at his website.http://www.drjack.info/The National Weather Service is predicting the following surface conditions for Saturday through Monday:SATURDAY:Sunny, Temperature: 86 degreesWind: Southwest 10 -15 mph GUSTS to 20.SUNDAY:Sunny, Temperature: 86 degreesWind: Southwest 10 -15 mph GUSTS to 20.MONDAY:Sunny, Temperature: 75 degreesWind: Southeast 5 -15 mph GUSTS possible to 20.CURRENT JETSTREAM FORECAST ON SATURDAY