DrJack's BLIPSPOT for: WED 07/15 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 - - - - - - 93.6 - - 96.2 - - - Temp@2m Sfc.Heating - - - - - - 200 - - 84 - - - Sfc.Heating BL Depth - - - - - - 3277 - - 3623 - - - BL Depth Hcrit - - - - - - 2702 - - 2489 - - - Hcrit BL Top - - - - - - 3986 - - 4332 - - - BL Top Hgt.Variab. - - - - - - 1329 - - 2244 - - - Hgt.Variab. W* - - - - - - 366 - - 290 - - - W* B/S - - - - - - 6 - - 5 - - - B/S BL Wind - - - - - - 11 - - 10 - - - BL Wind Direction - - - - - - 291 - - 284 - - - Direction Wind Shear - - - - - - 5 - - 4 - - - Wind Shear Max.Converg - - - - - - 3 - - 3 - - - Max.Converg CLOUDpotent - - - - - - -3287 - - -3536 - - - CLOUDpotentl sfcLCL - - - - - - 7273 - - 7869 - - - sfcLCL ODpotential - - - - - - -7686 - - -7281 - - - ODpotential blCL - - - - - - 11672 - - 11613 - - - blCL maxRH - - - - - - 63 - - 44 - - - maxRH CAPE - - - - - - 1030 - - 1430 - - - CAPE Temp@2m - - - - - - 93.6 - - 96.2 - - - Temp@2m DewPt@2m - - - - - - 64.5 - - 64.5 - - - DewPt@2m Temp@Bot - - - - - - 91.9 - - 95.4 - - - Temp@Bot DewPt@Bot - - - - - - 63.4 - - 63.4 - - - DewPt@bot Sfc.Heating - - - - - - 200 - - 84 - - - Sfc.Heating BL Depth - - - - - - 3277 - - 3623 - - - BL Depth EXPERIMENT - - - - - - 0 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 12 - - 12 - - - 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] 99327 44 084 43 087 99327 91860 37 083 34 085 91860 86133 31 082 27 079 86133 81370 24 080 24 065 81370 77249 16 085 21 063 77249 73596 12 092 14 054 73596 70281 7 082 10 045 70281 67232 1 129 11 006 67232 64416 5 094 10 326 64416 61704 8 352 7 294 61704 58895 8 299 10 313 58895 56017 3 239 14 285 56017 53302 12 353 15 241 53302 50860 26 332 19 308 50860 48682 30 322 28 315 48682 46724 25 308 25 317 46724 44926 19 303 25 319 44926 43254 20 313 25 308 43254 41687 19 308 24 297 41687 40213 18 310 23 294 40213 38818 17 316 23 301 38818 37466 17 320 23 307 37466 36087 18 310 19 301 36087 34648 20 296 17 284 34648 33156 21 295 21 283 33156 31594 21 290 25 287 31594 29955 21 281 27 286 29955 28235 20 281 28 287 28235 26432 20 292 27 297 26432 24551 22 293 28 302 24551 22596 23 278 28 285 22596 20560 21 268 24 266 20560 18437 15 284 18 258 18437 16271 15 290 16 260 16271 14184 15 290 14 286 14184 12283 15 286 16 299 12283 10588 16 275 17 296 10588 9078 16 269 16 302 9078 7735 16 275 15 317 7735 6541 16 292 14 319 6541 5483 16 302 11 299 5483 4549 13*293 10*284 4549 3722 12*291 10*283 3722 2981 12 291 10 283 2981 2325 12 291 10 284 2325 1776 11 291 10 285 1776 1355 11 291 9 285 1355 1065 10 292 9 286 1065 889 9 292 8 286 889 788 8 291 6 286 788 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