DrJack's BLIPSPOT for: WED 07/08 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 - - 1001z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 75.8 - - 79.6 - - 78.4 Temp@2m Sfc.Heating - - - - - - 145 - - 103 - - -5 Sfc.Heating BL Depth - - - - - - 1590 - - 2342 - - 78 BL Depth Hcrit - - - - - - 1339 - - 1687 - - 770 Hcrit BL Top - - - - - - 2299 - - 3051 - - 787 BL Top Hgt.Variab. - - - - - - 1382 - - 1685 - - 3746 Hgt.Variab. W* - - - - - - 257 - - 263 - - 24 W* B/S - - - - - - 9 - - 7 - - 1 B/S BL Wind - - - - - - 5 - - 7 - - 3 BL Wind Direction - - - - - - 116 - - 140 - - 149 Direction Wind Shear - - - - - - 2 - - 1 - - 0 Wind Shear Max.Converg - - - - - - -4 - - -3 - - -1 Max.Converg CLOUDpotent - - - - - - 358 - - 182 - - -1129 CLOUDpotentl sfcLCL - - - - - - 1941 - - 2870 - - 1916 sfcLCL ODpotential - - - - - - 39 - - -386 - - -1933 ODpotential blCL - - - - - - 2260 - - 3437 - - 2720 blCL maxRH - - - - - - 99 - - 94 - - 95 maxRH CAPE - - - - - - 320 - - 620 - - 1530 CAPE Temp@2m - - - - - - 75.8 - - 79.6 - - 78.4 Temp@2m DewPt@2m - - - - - - 69.6 - - 69.3 - - 72.2 DewPt@2m Temp@Bot - - - - - - 74.3 - - 78.5 - - 78.7 Temp@Bot DewPt@Bot - - - - - - 68.8 - - 68.6 - - 71.6 DewPt@bot Sfc.Heating - - - - - - 145 - - 103 - - -5 Sfc.Heating BL Depth - - - - - - 1590 - - 2342 - - 78 BL Depth EXPERIMENT - - - - - - 95 - - 76 - - 80 EXPERIMENT EXPERIMENT2 - - - - - - 15 - - 15 - - 17 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] 99489 24 097 26 092 19 088 99489 91925 21 093 21 102 19 087 91925 86100 26 090 17 097 18 079 86100 81268 22 088 16 073 19 071 81268 77114 20 084 18 074 16 077 77114 73460 19 082 14 080 16 084 73460 70163 14 080 14 077 13 073 70163 67140 10 062 12 053 14 072 67140 64342 8 031 9 028 14 041 64342 61647 5 357 9 017 11 012 61647 58860 7 002 12 005 6 012 58860 55989 5 326 13 334 7 023 55989 53257 5 262 15 296 15 331 53257 50813 14 274 20 261 21 275 50813 48644 23 273 24 260 27 266 48644 46685 34 266 33 257 36 255 46685 44889 40 263 37 257 40 251 44889 43219 47 262 45 257 42 253 43219 41653 49 261 45 259 45 252 41653 40177 44 260 40 263 44 249 40177 38779 31 258 31 268 39 247 38779 37420 27 261 26 264 33 248 37420 36033 27 263 23 262 32 248 36033 34588 25 264 22 261 30 246 34588 33089 23 264 21 257 24 252 33089 31518 22 272 19 260 20 258 31518 29865 18 276 18 264 17 258 29865 28130 16 280 15 262 14 257 28130 26312 13 285 12 257 13 248 26312 24414 10 282 11 257 12 240 24414 22443 10 269 13 262 11 263 22443 20395 9 256 12 268 13 285 20395 18267 6 254 11 272 19 266 18267 16096 11 275 13 283 14 248 16096 14004 13 283 14 282 10 259 14004 12104 12 286 11 276 12 268 12104 10422 11 281 14 281 15 268 10422 8931 12 276 17 292 13 276 8931 7604 12 273 16 300 9 282 7604 6426 10 270 14 298 8 278 6426 5383 8 267 10 289 7 260 5383 4464 6 254 5 261 7 232 4464 3654 4 225 4*179 6 204 3654 2928 4*183 6*146 7 178 2928 2287 5*128 7 142 7 168 2287 1751 6 117 7 139 7 162 1751 1340 5 114 7 138 7 157 1340 1057 5 111 7 136 6 153 1057 885 5 110 7 136 5*150 885 787 4 108 5 135 3*149 787 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