DrJack's BLIPSPOT for: FRI 07/17 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 - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 88.8 - - 92.3 - - - Temp@2m Sfc.Heating - - - - - - 224 - - 85 - - - Sfc.Heating BL Depth - - - - - - 3714 - - 78 - - - BL Depth Hcrit - - - - - - 3058 - - 771 - - - Hcrit BL Top - - - - - - 4423 - - 787 - - - BL Top Hgt.Variab. - - - - - - 1880 - - 7511 - - - Hgt.Variab. W* - - - - - - 391 - - 80 - - - W* B/S - - - - - - 21 - - 4 - - - B/S BL Wind - - - - - - 3 - - 4 - - - BL Wind Direction - - - - - - 298 - - 354 - - - Direction Wind Shear - - - - - - 3 - - 0 - - - Wind Shear Max.Converg - - - - - - -4 - - 1 - - - Max.Converg CLOUDpotent - - - - - - -3467 - - -8490 - - - CLOUDpotentl sfcLCL - - - - - - 7890 - - 9277 - - - sfcLCL ODpotential - - - - - - -7653 - - -11209 - - - ODpotential blCL - - - - - - 12076 - - 11996 - - - blCL maxRH - - - - - - 69 - - 62 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 88.8 - - 92.3 - - - Temp@2m DewPt@2m - - - - - - 57.1 - - 54.4 - - - DewPt@2m Temp@Bot - - - - - - 86.8 - - 91.3 - - - Temp@Bot DewPt@Bot - - - - - - 56.0 - - 53.4 - - - DewPt@bot Sfc.Heating - - - - - - 224 - - 85 - - - Sfc.Heating BL Depth - - - - - - 3714 - - 78 - - - BL Depth EXPERIMENT - - - - - - 0 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 9 - - 9 - - - 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] 99537 46 089 26 087 99537 91996 38 084 31 085 91996 86170 28 084 33 076 86170 81351 22 076 26 076 81351 77215 18 078 19 066 77215 73558 15 071 11 087 73558 70240 10 063 8 083 70240 67196 6 047 2 080 67196 64393 3 058 2 072 64393 61690 5 064 4 345 61690 58890 9 307 14 298 58890 56009 14 300 14 305 56009 53282 24 317 21 306 53282 50845 32 310 29 303 50845 48670 40 294 43 306 48670 46698 40 289 48 302 46698 44888 40 294 46 298 44888 43207 39 302 42 294 43207 41635 37 304 40 290 41635 40158 38 301 38 285 40158 38763 40 298 38 288 38763 37408 39 292 39 293 37408 36025 37 285 38 294 36025 34582 37 284 37 294 34582 33086 40 286 37 292 33086 31524 41 289 36 292 31524 29885 41 287 41 290 29885 28166 39 281 40 285 28166 26365 37 280 35 279 26365 24481 34 279 34 274 24481 22517 33 275 34 269 22517 20467 33 274 34 267 20467 18330 32 280 30 272 18330 16157 25 288 24 284 16157 14070 22 289 21 295 14070 12176 21 291 21 295 12176 10492 20 297 20 287 10492 8996 19 301 19 268 8996 7664 16 298 17 260 7664 6480 14 289 12 262 6480 5430 9 282 8 274 5430 4503 5*282 6 290 4503 3685 5*286 4 328 3685 2952 4 292 5 339 2952 2304 4 298 5 347 2304 1762 3 303 5 350 1762 1347 3 307 5 353 1347 1060 3 310 5 353 1060 887 3 310 5 355 887 787 2 311 4*354 787 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