DrJack's BLIPSPOT for: FRI 07/11 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 - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 87.8 - - 89.2 - - 82.9 Temp@2m Sfc.Heating - - - - - - 213 - - 124 - - -7 Sfc.Heating BL Depth - - - - - - 4616 - - 4497 - - 78 BL Depth Hcrit - - - - - - 3724 - - 3356 - - 771 Hcrit BL Top - - - - - - 5325 - - 5206 - - 787 BL Top Hgt.Variab. - - - - - - 2752 - - 3812 - - 4328 Hgt.Variab. W* - - - - - - 416 - - 349 - - 30 W* B/S - - - - - - 17 - - 14 - - 3 B/S BL Wind - - - - - - 4 - - 4 - - 2 BL Wind Direction - - - - - - 174 - - 187 - - 103 Direction Wind Shear - - - - - - 1 - - 2 - - 0 Wind Shear Max.Converg - - - - - - 3 - - 9 - - -1 Max.Converg CLOUDpotent - - - - - - -94 - - -495 - - -1908 CLOUDpotentl sfcLCL - - - - - - 5420 - - 5702 - - 2695 sfcLCL ODpotential - - - - - - -841 - - -1340 - - -3477 ODpotential blCL - - - - - - 6166 - - 6546 - - 4264 blCL maxRH - - - - - - 78 - - 77 - - 100 maxRH CAPE - - - - - - 1000 - - 1290 - - 2750 CAPE Temp@2m - - - - - - 87.8 - - 89.2 - - 82.9 Temp@2m DewPt@2m - - - - - - 66.6 - - 66.8 - - 73.3 DewPt@2m Temp@Bot - - - - - - 86.0 - - 87.9 - - 83.2 Temp@Bot DewPt@Bot - - - - - - 65.6 - - 65.8 - - 72.5 DewPt@bot Sfc.Heating - - - - - - 213 - - 124 - - -7 Sfc.Heating BL Depth - - - - - - 4616 - - 4497 - - 78 BL Depth EXPERIMENT - - - - - - 11 - - 9 - - 99 EXPERIMENT EXPERIMENT2 - - - - - - 13 - - 14 - - 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] 99036 33 084 33 082 32 082 99036 91560 33 079 31 074 32 083 91560 85821 31 080 26 079 30 078 85821 81076 23 083 19 088 23 069 81076 76997 17 092 15 075 16 062 76997 73380 14 097 14 082 11 063 73380 70086 16 095 13 089 12 055 70086 67057 14 090 12 102 9 057 67057 64261 9 062 9 088 8 067 64261 61572 6 051 5 057 7 068 61572 58785 12 008 9 040 5 046 58785 55927 14 314 14 334 10 001 55927 53229 10 265 11 313 9 340 53229 50808 15 316 11 308 9 293 50808 48630 18 300 15 296 13 265 48630 46647 23 286 21 288 22 279 46647 44834 20 278 21 282 24 288 44834 43164 13 311 13 293 16 280 43164 41602 25 327 20 352 4 274 41602 40127 20 328 13 333 4 351 40127 38729 13 312 16 295 13 328 38729 37372 16 299 18 289 18 345 37372 35983 13 280 17 286 12 001 35983 34533 14 275 19 287 10 327 34533 33027 16 283 20 294 18 321 33027 31450 14 284 18 293 20 319 31450 29795 9 240 14 273 12 300 29795 28065 14 230 20 267 14 290 28065 26258 16 254 18 278 15 289 26258 24378 11 261 13 297 14 298 24378 22427 9 260 11 272 12 303 22427 20396 9 273 10 274 11 307 20396 18278 10 283 10 301 9 320 18278 16117 8 287 7 308 6 333 16117 14032 9 285 6 301 6 301 14032 12138 12 281 9 290 9 293 12138 10460 11 269 13 287 11 293 10460 8974 8 257 10 283 9 291 8974 7652 5 245 8 274 7 294 7652 6473 4 227 5 252 6 292 6473 5425 4*197 4*224 4 278 5425 4499 4*186 4*203 3 231 4499 3680 4 179 4 194 3 192 3680 2947 4 175 5 188 3 172 2947 2300 4 172 5 184 2 160 2300 1760 5 170 5 181 3 146 1760 1345 4 169 5 178 3 130 1345 1059 4 168 5 178 3 120 1059 886 4 169 4 178 3 112 886 787 3 170 4 178 2*103 787 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