DrJack's BLIPSPOT for: FRI 07/31 FrontRoyal_VA 709ft pt33650@38.996,-78.097,836ft BLIPSPOT sfc.temp. adjusted by -0.4 degF SPONSORED BY: Skyline Soaring Club RUC - Last Analysis,Validation Time = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - 0653z - - 0955z - - 1000z - - - Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - 77.4 - - 83.5 - - 85.6 - - - Temp@2m Sfc.Heating - - - 208 - - 237 - - 108 - - - Sfc.Heating BL Depth - - - 3105 - - 4868 - - 78 - - - BL Depth Hcrit - - - 2566 - - 3962 - - 770 - - - Hcrit BL Top - - - 3814 - - 5577 - - 787 - - - BL Top Hgt.Variab. - - - 1929 - - 1802 - - 7698 - - - Hgt.Variab. W* - - - 357 - - 437 - - 86 - - - W* B/S - - - 8 - - 29 - - 11 - - - B/S BL Wind - - - 8 - - 3 - - 1 - - - BL Wind Direction - - - 337 - - 323 - - 001 - - - Direction Wind Shear - - - 4 - - 2 - - 0 - - - Wind Shear Max.Converg - - - 3 - - -6 - - 1 - - - Max.Converg CLOUDpotent - - - -479 - - -1164 - - -6556 - - - CLOUDpotentl sfcLCL - - - 4293 - - 6741 - - 7343 - - - sfcLCL ODpotential - - - -1873 - - -6575 - - -8953 - - - ODpotential blCL - - - 5687 - - 12152 - - 9740 - - - blCL maxRH - - - 81 - - 67 - - 70 - - - maxRH CAPE - - - 0 - - 0 - - 0 - - - CAPE Temp@2m - - - 77.4 - - 83.5 - - 85.6 - - - Temp@2m DewPt@2m - - - 61.2 - - 56.6 - - 56.1 - - - DewPt@2m Temp@Bot - - - 75.7 - - 81.5 - - 84.4 - - - Temp@Bot DewPt@Bot - - - 60.4 - - 55.5 - - 55.0 - - - DewPt@bot Sfc.Heating - - - 208 - - 237 - - 108 - - - Sfc.Heating BL Depth - - - 3105 - - 4868 - - 78 - - - BL Depth EXPERIMENT - - - 23 - - 0 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - 11 - - 9 - - 10 - - - EXPERIMENT2 PROFILES OF WIND SPEED [kt] AND DIRECTION [degTrue] ----------------------------------- VALIDATION TIME --------------------------------------- Height 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z [ft] ------------------------------------------------------------------------------------------- [ft] 99535 46 085 37 076 41 078 99535 92082 39 081 35 075 34 072 92082 86328 32 073 33 080 29 074 86328 81530 29 072 31 087 23 082 81530 77386 26 081 27 081 23 081 77386 73722 19 081 20 075 22 077 73722 70410 16 072 16 086 17 074 70410 67375 15 076 15 079 14 081 67375 64570 14 083 10 064 11 069 64570 61861 14 069 8 068 5 015 61861 59044 11 026 6 058 4 339 59044 56125 16 329 10 356 11 331 56125 53344 22 330 13 340 17 324 53344 50845 26 343 21 337 22 327 50845 48599 37 337 31 342 30 343 48599 46567 40 341 50 338 56 337 46567 44735 59 342 60 335 62 340 44735 43053 72 340 67 345 72 348 43053 41475 69 340 82 352 82 348 41475 39987 68 352 80 350 80 350 39987 38577 79 357 68 346 75 356 38577 37210 84 359 60 346 65 355 37210 35817 83 358 57 348 57 343 35817 34372 76 359 55 349 48 336 34372 32877 64 353 53 344 42 341 32877 31311 56 340 53 337 39 334 31311 29660 53 332 53 338 41 330 29660 27930 48 336 48 340 41 336 27930 26122 38 336 43 340 38 343 26122 24238 30 337 35 340 32 344 24238 22281 24 341 24 337 25 338 22281 20248 21 335 17 344 18 329 20248 18135 19 319 15 332 14 327 18135 15982 17 311 15 307 13 313 15982 13912 16 322 14 304 13 303 13912 12031 14 331 12 314 11 306 12031 10361 12 346 9 326 7 307 10361 8883 10 356 6 347 5 288 8883 7572 9 352 4 335 4 291 7572 6407 9 345 4*315 3 296 6407 5373 11 334 3*315 3 302 5373 4460 10*331 3 315 3 312 4460 3652 9*333 3 319 2 323 3652 2927 8 336 3 324 2 336 2927 2286 8 337 3 327 2 346 2286 1751 8 339 2 334 2 350 1751 1340 7 340 2 338 2 356 1340 1057 7 340 2 339 2 001 1057 885 6 341 2 339 2*003 885 787 5 341 2 338 1*001 787 PARAMETER KEY: (basic parameter information is provided at http://www.drjack.info/BLIP/INFO/basic_parameters.html) (more complete parameter descriptions are at http://www.drjack.info/BLIP/RUC/INFO/parameters.html) (additional help is at http://www.drjack.info/BLIP/INFO/index.html, e.g. "For NEW USERS" section) --------------------------------------------------------------------------------------------------- Update Time = UTC Time of BLIPSPOT calculation FCST PERIOD = Hours from model initialization time Temp@2m = Temperature at 2m AGL [F] Sfc.Heating = Surface Heating of atmosphere [W/m^2] BL Depth = Depth of the Boundary (Mixing) Layer [ft] Hcrit = Height of Critical Updraft Strength [ftMSL] BL Top = Height of Boundary Layer Top (TI=0 height) [ftMSL] Hgt.Variab = Thermal Height Variability (difference between TI=+4{F} & TI=0 Heights) [ft] W* = Thermal Updraft Velocity (subtract glider sink rate to get vario) [fpm] B/S = Buoyancy/Shear Ratio (thermals may be unworkable if 5 or less) BL Wind = Wind Speed averaged through BL [kt] Direction = Wind Direction averaged through BL [degTrue] Max.Converg = Max. Vertical Velocity created by BL Convergence [x10^-2 kt] (note: BLIPMAPs provide better evaluation since convergence lines are usually mobile CLOUDpotent = Expect clouds at or above sfcLCL if positive (difference between H(TI=0) & sfcLCL) [ft] sfcLCL = Base of Lowest Clouds, if CLOUDpotent>0 (LCL = Lifting Condensation Level based upon sfc. humidity) [ftMSL] ODpotential = Expect extensive clouds at blCL if positive (difference between H(TI=0) & blCL) [ft] bLCL = Base of Extensive Clouds, if ODpotential>0 (bl CL = Condensation Level based upon BL humidity) [ftMSL] maxRH = Maximum Relative Humidity in BL [%] CAPE = Convective Available Potential Energy [J/kg] Temp@2m = Temperature at 2m AGL [F] DewPt@2m = Dew Point Temp. at 2m AGL [F] Temp@Bot = Temperature at 16m AGL (bottom of grid) [F] (intended for DrJack's use) DewPt@Bot = Dew Point Temp. at 16m AGL (bottom of grid) [F] (intended for DrJack's use) Sfc.Heating = Surface Heating of atmosphere [W/m^2] BL Depth = Depth of the Boundary (Mixing) Layer [ft] EXPERIMENT = Mystery variable for test purposes (intended for DrJack's use) * = Indicates BL Top (TI=0 Height) on profiles Note: printed heights are for 18Z - heights for other times differ slightly Results neglect thermals created by small-scale features not resolved by the smoothed model topography