DrJack's BLIPSPOT for: TUE 03/31 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 - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 79.9 - - 81.9 - - - Temp@2m Sfc.Heating - - - - - - 181 - - 79 - - - Sfc.Heating BL Depth - - - - - - 5870 - - 77 - - - BL Depth Hcrit - - - - - - 4565 - - 770 - - - Hcrit BL Top - - - - - - 6579 - - 786 - - - BL Top Hgt.Variab. - - - - - - 3436 - - 9766 - - - Hgt.Variab. W* - - - - - - 421 - - 77 - - - W* B/S - - - - - - 4 - - 1 - - - B/S BL Wind - - - - - - 18 - - 11 - - - BL Wind Direction - - - - - - 232 - - 235 - - - Direction Wind Shear - - - - - - 10 - - 0 - - - Wind Shear Max.Converg - - - - - - 6 - - -1 - - - Max.Converg CLOUDpotent - - - - - - -225 - - -7028 - - - CLOUDpotentl sfcLCL - - - - - - 6805 - - 7814 - - - sfcLCL ODpotential - - - - - - -737 - - -7301 - - - ODpotential blCL - - - - - - 7316 - - 8087 - - - blCL maxRH - - - - - - 86 - - 83 - - - maxRH CAPE - - - - - - 460 - - 330 - - - CAPE Temp@2m - - - - - - 79.9 - - 81.9 - - - Temp@2m DewPt@2m - - - - - - 52.8 - - 50.3 - - - DewPt@2m Temp@Bot - - - - - - 78.5 - - 81.0 - - - Temp@Bot DewPt@Bot - - - - - - 52.0 - - 49.6 - - - DewPt@bot Sfc.Heating - - - - - - 181 - - 79 - - - Sfc.Heating BL Depth - - - - - - 5870 - - 77 - - - BL Depth EXPERIMENT - - - - - - 42 - - 31 - - - EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 8 - - - 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] 96593 32 243 47 260 96593 89315 41 258 35 253 89315 83740 37 264 29 245 83740 79110 30 261 26 243 79110 75111 20 249 25 255 75111 71578 19 259 24 262 71578 68383 22 264 26 257 68383 65455 22 255 26 257 65455 62751 20 249 22 256 62751 60123 26 264 30 263 60123 57372 31 269 37 268 57372 54507 44 276 47 273 54507 51768 56 273 55 270 51768 49313 59 266 51 271 49313 47136 53 264 50 273 47136 45193 51 268 56 270 45193 43443 52 273 56 261 43443 41834 56 281 47 262 41834 40327 60 285 45 268 40327 38905 60 278 47 270 38905 37556 53 266 50 263 37556 36246 45 266 51 261 36246 34910 45 265 50 263 34910 33520 44 257 50 266 33520 32080 41 253 50 266 32080 30575 37 248 49 263 30575 28990 35 248 48 258 28990 27326 33 242 49 259 27326 25580 27 235 44 265 25580 23759 26 232 32 267 23759 21868 28 244 27 271 21868 19905 35 264 28 273 19905 17861 35 267 27 268 17861 15769 29 264 26 269 15769 13745 27 261 25 276 13745 11898 25 252 25 267 11898 10260 23 240 27 248 10260 8807 22 237 26 240 8807 7512 21*236 26 240 7512 6357 20*234 24 237 6357 5332 20 234 23 237 5332 4427 19 233 22 236 4427 3626 18 232 22 236 3626 2908 18 231 21 236 2908 2273 17 230 20 235 2273 1742 16 229 19 235 1742 1335 15 229 18 235 1335 1054 14 229 17 235 1054 884 13 229 15 235 884 786 10 228 11*235 786 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