DrJack's BLIPSPOT for: SUN 08/30 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0953z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 86.7 - - 86.7 - - 80.9 Temp@2m Sfc.Heating - - - - - - 133 - - 27 - - -9 Sfc.Heating BL Depth - - - - - - 4332 - - 78 - - 78 BL Depth Hcrit - - - - - - 3295 - - 771 - - 770 Hcrit BL Top - - - - - - 5041 - - 787 - - 787 BL Top Hgt.Variab. - - - - - - 4770 - - 9041 - - 5179 Hgt.Variab. W* - - - - - - 356 - - 59 - - 14 W* B/S - - - - - - 5 - - 2 - - 1 B/S BL Wind - - - - - - 12 - - 5 - - 3 BL Wind Direction - - - - - - 216 - - 232 - - 238 Direction Wind Shear - - - - - - 6 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -1 - - 0 - - 0 Max.Converg CLOUDpotent - - - - - - -707 - - -5021 - - -3051 CLOUDpotentl sfcLCL - - - - - - 5748 - - 5808 - - 3838 sfcLCL ODpotential - - - - - - -1891 - - -5782 - - -5157 ODpotential blCL - - - - - - 6932 - - 6569 - - 5944 blCL maxRH - - - - - - 81 - - 97 - - 73 maxRH CAPE - - - - - - 660 - - 700 - - 720 CAPE Temp@2m - - - - - - 86.7 - - 86.7 - - 80.9 Temp@2m DewPt@2m - - - - - - 64.2 - - 64.0 - - 66.8 DewPt@2m Temp@Bot - - - - - - 85.5 - - 87.0 - - 83.3 Temp@Bot DewPt@Bot - - - - - - 63.1 - - 63.1 - - 65.9 DewPt@bot Sfc.Heating - - - - - - 133 - - 27 - - -9 Sfc.Heating BL Depth - - - - - - 4332 - - 78 - - 78 BL Depth EXPERIMENT - - - - - - 22 - - 88 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 12 - - 13 - - 14 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] 99156 14 123 9 082 15 030 99156 91728 16 087 13 073 15 067 91728 85979 18 072 17 081 11 058 85979 81191 14 070 12 077 12 025 81191 77062 11 090 7 065 7 028 77062 73408 9 132 5 013 6 037 73408 70106 5 130 4 001 8 028 70106 67094 3 192 3 274 6 345 67094 64320 4 336 6 301 7 328 64320 61646 8 308 12 313 12 306 61646 58860 9 294 10 281 14 296 58860 55963 17 308 16 315 20 326 55963 53212 22 279 27 291 25 309 53212 50760 25 254 32 265 27 287 50760 48575 23 288 20 281 25 285 48575 46604 33 303 30 298 29 286 46604 44811 27 288 29 286 35 275 44811 43153 23 269 27 281 30 288 43153 41603 20 284 25 288 23 306 41603 40144 23 301 25 298 23 314 40144 38761 24 303 25 298 23 314 38761 37414 24 300 22 290 24 311 37414 36037 25 290 20 294 28 307 36037 34599 27 284 23 305 25 295 34599 33103 28 282 27 310 23 280 33103 31535 27 278 27 309 19 278 31535 29884 26 280 27 308 17 288 29884 28151 25 286 21 303 18 284 28151 26337 22 288 20 282 23 289 26337 24445 17 283 20 277 23 289 24445 22476 15 263 20 263 21 284 22476 20423 20 256 21 261 20 287 20423 18283 21 263 20 274 21 293 18283 16105 20 271 18 283 25 301 16105 14014 16 265 17 278 22 308 14014 12120 16 256 19 273 21 315 12120 10442 18 260 18 271 18 277 10442 8954 20 266 17 270 16 259 8954 7634 18 263 15 264 11 258 7634 6458 15 247 13 254 8 260 6458 5414 14*231 12 246 8 266 5414 4492 14*221 12 243 9 268 4492 3676 13 218 11 238 9 270 3676 2945 13 216 10 235 10 269 2945 2299 13 216 9 233 10 269 2299 1759 12 215 9 233 9 268 1759 1344 12 214 8 232 8 265 1344 1059 11 214 8 232 7 259 1059 886 10 213 7 232 5*246 886 787 8 214 5*232 3*238 787 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