DrJack's BLIPSPOT for: SAT 07/18 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 - - - - - - 93.6 - - 88.9 - - - Temp@2m Sfc.Heating - - - - - - 186 - - 53 - - - Sfc.Heating BL Depth - - - - - - 5585 - - 78 - - - BL Depth Hcrit - - - - - - 4406 - - 771 - - - Hcrit BL Top - - - - - - 6294 - - 787 - - - BL Top Hgt.Variab. - - - - - - 3447 - - 7070 - - - Hgt.Variab. W* - - - - - - 428 - - 72 - - - W* B/S - - - - - - 5 - - 2 - - - B/S BL Wind - - - - - - 16 - - 7 - - - BL Wind Direction - - - - - - 217 - - 237 - - - Direction Wind Shear - - - - - - 7 - - 0 - - - Wind Shear Max.Converg - - - - - - -2 - - -1 - - - Max.Converg CLOUDpotent - - - - - - -379 - - -3346 - - - CLOUDpotentl sfcLCL - - - - - - 6674 - - 4133 - - - sfcLCL ODpotential - - - - - - -1643 - - -4192 - - - ODpotential blCL - - - - - - 7937 - - 4979 - - - blCL maxRH - - - - - - 91 - - 86 - - - maxRH CAPE - - - - - - 1600 - - 3030 - - - CAPE Temp@2m - - - - - - 93.6 - - 88.9 - - - Temp@2m DewPt@2m - - - - - - 66.8 - - 72.9 - - - DewPt@2m Temp@Bot - - - - - - 92.1 - - 88.0 - - - Temp@Bot DewPt@Bot - - - - - - 65.8 - - 72.0 - - - DewPt@bot Sfc.Heating - - - - - - 186 - - 53 - - - Sfc.Heating BL Depth - - - - - - 5585 - - 78 - - - BL Depth EXPERIMENT - - - - - - 64 - - 42 - - - EXPERIMENT EXPERIMENT2 - - - - - - 13 - - 18 - - - 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] 99485 45 087 25 089 99485 91933 33 074 30 079 91933 86107 24 069 29 071 86107 81295 18 068 22 075 81295 77165 17 077 16 082 77165 73522 15 078 13 086 73522 70225 11 077 11 078 70225 67191 4 031 7 036 67191 64383 2 233 3 321 64383 61671 4 285 6 293 61671 58859 16 303 14 296 58859 55958 23 293 21 292 55958 53204 27 278 30 286 53204 50761 31 270 34 268 50761 48600 33 267 40 270 48600 46639 33 271 45 272 46639 44832 41 282 48 271 44832 43156 49 281 51 269 43156 41588 47 274 55 265 41588 40108 46 268 54 262 40108 38705 45 263 48 257 38705 37342 44 262 43 253 37342 35953 40 263 39 254 35953 34507 35 263 38 253 34507 33008 34 263 36 251 33008 31441 33 261 37 251 31441 29794 33 257 38 255 29794 28067 35 257 38 258 28067 26260 36 255 36 259 26260 24376 35 255 35 262 24376 22420 36 256 33 260 22420 20387 37 259 33 259 20387 18272 34 257 32 263 18272 16117 26 252 30 262 16117 14041 21 252 28 256 14041 12156 20 257 27 247 12156 10482 19 254 28 243 10482 8992 19 246 26 247 8992 7666 18 237 24 246 7666 6487 17*227 22 245 6487 5439 17*224 20 245 5439 4514 16 220 18 244 4514 3695 16 218 15 242 3695 2960 16 216 14 240 2960 2310 16 215 12 238 2310 1767 15 214 12 238 1767 1349 15 213 11 237 1349 1062 14 212 10 237 1062 887 13 212 9 237 887 787 10 212 7*237 787 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