DrJack's BLIPSPOT for: FRI 09/25 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 - - - - - - 0659z - - 1001z - - 1333z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 65.1 - - 65.8 - - 56.5 Temp@2m Sfc.Heating - - - - - - 141 - - 3 - - -24 Sfc.Heating BL Depth - - - - - - 2483 - - 76 - - 76 BL Depth Hcrit - - - - - - 1971 - - 769 - - 769 Hcrit BL Top - - - - - - 3192 - - 785 - - 785 BL Top Hgt.Variab. - - - - - - 834 - - 3756 - - 262 Hgt.Variab. W* - - - - - - 298 - - 43 - - 14 W* B/S - - - - - - 3 - - 1 - - 1 B/S BL Wind - - - - - - 18 - - 10 - - 5 BL Wind Direction - - - - - - 357 - - 349 - - 333 Direction Wind Shear - - - - - - 10 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 6 - - 3 - - 1 Max.Converg CLOUDpotent - - - - - - -2304 - - -4099 - - -1780 CLOUDpotentl sfcLCL - - - - - - 5497 - - 4884 - - 2565 sfcLCL ODpotential - - - - - - -11859 - - -10124 - - -9593 ODpotential blCL - - - - - - 15051 - - 10909 - - 10378 blCL maxRH - - - - - - 52 - - 57 - - 58 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 65.1 - - 65.8 - - 56.5 Temp@2m DewPt@2m - - - - - - 44.0 - - 47.4 - - 48.3 DewPt@2m Temp@Bot - - - - - - 63.9 - - 65.8 - - 59.0 Temp@Bot DewPt@Bot - - - - - - 42.8 - - 46.3 - - 47.7 DewPt@bot Sfc.Heating - - - - - - 141 - - 3 - - -24 Sfc.Heating BL Depth - - - - - - 2483 - - 76 - - 76 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 5 - - 7 - - 7 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] 98522 12 110 6 045 5 032 98522 91170 9 086 5 356 6 019 91170 85480 7 093 6 351 7 036 85480 80737 3 275 9 319 7 020 80737 76651 5 267 9 308 5 005 76651 73044 6 121 3 286 5 308 73044 69791 6 071 3 163 10 293 69791 66812 3 009 3 101 8 294 66812 64050 5 012 3 033 7 290 64050 61375 7 319 4 314 7 292 61375 58594 9 286 5 251 4 256 58594 55721 8 276 7 253 6 276 55721 52990 5 274 11 267 11 282 52990 50539 1 302 11 269 12 273 50539 48335 4 336 10 285 12 271 48335 46326 11 305 7 295 14 281 46326 44477 16 304 10 330 13 285 44477 42767 16 311 23 326 12 331 42767 41174 15 319 21 312 17 327 41174 39682 15 207 11 321 19 308 39682 38278 24 197 4 280 19 316 38278 36921 26 196 10 229 22 327 36921 35539 28 195 11 240 22 332 35539 34099 29 195 9 288 23 344 34099 32605 28 197 17 325 32 351 32605 31040 30 206 27 330 40 344 31040 29395 23 231 31 335 37 336 29395 27671 16 306 33 346 35 338 27671 25864 17 330 36 353 34 351 25864 23979 10 346 36 358 32 005 23979 22023 11 358 28 005 29 016 22023 19994 18 342 21 012 24 021 19994 17883 19 020 15 021 15 010 17883 15731 23 031 22 027 24 016 15731 13665 32 029 32 029 32 026 13665 11797 33 032 32 027 31 029 11797 10145 28 037 27 022 28 027 10145 8680 28 041 26 023 27 023 8680 7381 29 040 26 026 27 016 7381 6231 29 038 25 026 27 012 6231 5216 29 033 25 018 28 013 5216 4327 27 024 25 003 31 013 4327 3545 22*006 24 352 32 007 3545 2845 20*359 23 351 32 360 2845 2227 20 358 22 350 29 356 2227 1711 19 357 21 350 26 353 1711 1315 18 357 19 350 22 348 1315 1044 17 356 17 349 16 342 1044 879 15 356 14 349 11*338 879 785 11 355 10*349 5*333 785 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