DrJack's BLIPSPOT for: MON 03/18 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 = 18Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - - - - 1002z - - 1859z Update Time FCST PERIOD - - - - - - - - - 12 hr - - 6 hr FCST PERIOD Temp@2m - - - - - - - - - 46.9 - - 40.4 Temp@2m Sfc.Heating - - - - - - - - - 213 - - -7 Sfc.Heating BL Depth - - - - - - - - - 6648 - - 59 BL Depth Hcrit - - - - - - - - - 5228 - - 752 Hcrit BL Top - - - - - - - - - 7357 - - 768 BL Top Hgt.Variab. - - - - - - - - - 4027 - - 7794 Hgt.Variab. W* - - - - - - - - - 455 - - 10 W* B/S - - - - - - - - - 6 - - 1 B/S BL Wind - - - - - - - - - 13 - - 4 BL Wind Direction - - - - - - - - - 305 - - 309 Direction Wind Shear - - - - - - - - - 9 - - 0 Wind Shear Max.Converg - - - - - - - - - 4 - - 1 Max.Converg CLOUDpotent - - - - - - - - - 20 - - -3028 CLOUDpotentl sfcLCL - - - - - - - - - 7338 - - 3796 sfcLCL ODpotential - - - - - - - - - -651 - - -4176 ODpotential blCL - - - - - - - - - 8008 - - 4944 blCL maxRH - - - - - - - - - 73 - - 80 maxRH CAPE - - - - - - - - - 40 - - 40 CAPE Temp@2m - - - - - - - - - 46.9 - - 40.4 Temp@2m DewPt@2m - - - - - - - - - 17.3 - - 27.0 DewPt@2m Temp@Bot - - - - - - - - - 45.3 - - 42.0 Temp@Bot DewPt@Bot - - - - - - - - - 16.5 - - 24.8 DewPt@bot Sfc.Heating - - - - - - - - - 213 - - -7 Sfc.Heating BL Depth - - - - - - - - - 6648 - - 59 BL Depth EXPERIMENT - - - - - - - - - 0 - - 22 EXPERIMENT EXPERIMENT2 - - - - - - - - - 2 - - 3 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] 96811 26 237 29 252 96811 89470 19 231 25 259 89470 83845 17 239 15 258 83845 79179 12 263 18 254 79179 75131 17 218 13 246 75131 71531 18 252 25 271 71531 68282 24 236 29 240 68282 65280 21 228 19 227 65280 62460 30 265 29 262 62460 59731 44 267 43 264 59731 56899 53 258 51 258 56899 53957 57 253 57 254 53957 51128 63 253 63 253 51128 48571 67 251 67 253 48571 46277 67 252 68 253 46277 44190 69 259 69 258 44190 42278 78 262 75 263 42278 40521 86 259 83 263 40521 38900 86 253 89 260 38900 37396 79 253 91 258 37396 35992 79 258 91 260 35992 34647 83 259 92 262 34647 33294 87 258 92 261 33294 31903 86 255 86 261 31903 30475 82 254 78 263 30475 28996 75 254 69 266 28996 27454 65 256 61 271 27454 25847 56 262 57 277 25847 24171 46 271 55 280 24171 22432 34 285 51 281 22432 20630 28 306 45 282 20630 18755 27 313 37 284 18755 16800 24 314 31 291 16800 14807 19 316 24 297 14807 12886 14 267 19 299 12886 11144 18 245 15 287 11144 9606 18 254 14 275 9606 8245 16*268 13 287 8245 7032 15*282 13 302 7032 5954 14 297 13 310 5954 4997 14 305 14 314 4997 4152 13 308 14 318 4152 3406 13 311 14 320 3406 2738 13 312 14 322 2738 2147 12 313 14 323 2147 1654 12 314 13 324 1654 1276 11 315 11 324 1276 1016 11 315 9 322 1016 858 10 314 6*317 858 768 8 315 4*309 768 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