DrJack's BLIPSPOT for: THU 06/18 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 = 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 - - - - - - 81.6 - - 82.3 - - - Temp@2m Sfc.Heating - - - - - - 102 - - 74 - - - Sfc.Heating BL Depth - - - - - - 2332 - - 78 - - - BL Depth Hcrit - - - - - - 1781 - - 770 - - - Hcrit BL Top - - - - - - 3041 - - 787 - - - BL Top Hgt.Variab. - - - - - - 1672 - - 4753 - - - Hgt.Variab. W* - - - - - - 277 - - 78 - - - W* B/S - - - - - - 2 - - 1 - - - B/S BL Wind - - - - - - 24 - - 14 - - - BL Wind Direction - - - - - - 256 - - 255 - - - Direction Wind Shear - - - - - - 16 - - 0 - - - Wind Shear Max.Converg - - - - - - 3 - - 1 - - - Max.Converg CLOUDpotent - - - - - - 166 - - -3741 - - - CLOUDpotentl sfcLCL - - - - - - 2875 - - 4528 - - - sfcLCL ODpotential - - - - - - -1977 - - -5388 - - - ODpotential blCL - - - - - - 5018 - - 6175 - - - blCL maxRH - - - - - - 89 - - 96 - - - maxRH CAPE - - - - - - 1600 - - 310 - - - CAPE Temp@2m - - - - - - 81.6 - - 82.3 - - - Temp@2m DewPt@2m - - - - - - 71.0 - - 64.8 - - - DewPt@2m Temp@Bot - - - - - - 80.8 - - 82.0 - - - Temp@Bot DewPt@Bot - - - - - - 69.8 - - 64.1 - - - DewPt@bot Sfc.Heating - - - - - - 102 - - 74 - - - Sfc.Heating BL Depth - - - - - - 2332 - - 78 - - - BL Depth EXPERIMENT - - - - - - 57 - - 84 - - - EXPERIMENT EXPERIMENT2 - - - - - - 15 - - 13 - - - 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] 98985 32 082 15 100 98985 91465 21 087 20 078 91465 85665 17 093 27 078 85665 80872 19 084 25 080 80872 76781 17 086 19 074 76781 73190 9 110 10 080 73190 69932 10 122 7 140 69932 66921 10 140 5 148 66921 64134 9 098 6 227 64134 61451 10 047 8 188 61451 58670 18 286 14 300 58670 55814 35 254 23 279 55814 53111 30 242 34 250 53111 50676 29 248 42 232 50676 48487 34 251 43 233 48487 46499 40 258 36 236 46499 44665 44 263 40 243 44665 42955 49 263 61 234 42955 41362 59 260 78 227 41362 39872 69 248 77 225 39872 38466 76 238 73 227 38466 37102 73 236 72 236 37102 35712 70 241 72 243 35712 34267 67 245 71 244 34267 32771 62 244 67 244 32771 31209 60 246 65 248 31209 29568 63 251 65 248 29568 27848 69 255 65 246 27848 26048 74 256 65 246 26048 24172 75 255 64 246 24172 22224 71 254 61 251 22224 20202 60 257 60 258 20202 18101 50 264 57 263 18101 15964 53 268 55 267 15964 13905 59 266 53 265 13905 12031 58 259 52 261 12031 10364 54 255 52 257 10364 8882 51 253 52 254 8882 7566 49 249 50 254 7566 6397 46 244 48 254 6397 5362 41 242 44 255 5362 4449 37 244 39 255 4449 3643 30*249 34 255 3643 2921 28*253 31 255 2921 2283 26 255 30 255 2283 1749 25 256 28 255 1749 1339 23 257 27 255 1339 1057 21 257 24 256 1057 885 18 257 20*256 885 787 12 257 14*255 787 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