DrJack's BLIPSPOT for: FRI 08/28 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 - - - - - - 80.9 - - 82.0 - - - Temp@2m Sfc.Heating - - - - - - 183 - - 56 - - - Sfc.Heating BL Depth - - - - - - 2908 - - 78 - - - BL Depth Hcrit - - - - - - 2391 - - 770 - - - Hcrit BL Top - - - - - - 3617 - - 787 - - - BL Top Hgt.Variab. - - - - - - 3197 - - 7991 - - - Hgt.Variab. W* - - - - - - 341 - - 72 - - - W* B/S - - - - - - 9 - - 3 - - - B/S BL Wind - - - - - - 7 - - 5 - - - BL Wind Direction - - - - - - 347 - - 354 - - - Direction Wind Shear - - - - - - 2 - - 0 - - - Wind Shear Max.Converg - - - - - - -4 - - 2 - - - Max.Converg CLOUDpotent - - - - - - -595 - - -4300 - - - CLOUDpotentl sfcLCL - - - - - - 4212 - - 5087 - - - sfcLCL ODpotential - - - - - - -1879 - - -4957 - - - ODpotential blCL - - - - - - 5496 - - 5744 - - - blCL maxRH - - - - - - 84 - - 75 - - - maxRH CAPE - - - - - - 1120 - - 790 - - - CAPE Temp@2m - - - - - - 80.9 - - 82.0 - - - Temp@2m DewPt@2m - - - - - - 65.0 - - 62.4 - - - DewPt@2m Temp@Bot - - - - - - 79.3 - - 81.3 - - - Temp@Bot DewPt@Bot - - - - - - 63.9 - - 61.3 - - - DewPt@bot Sfc.Heating - - - - - - 183 - - 56 - - - Sfc.Heating BL Depth - - - - - - 2908 - - 78 - - - BL Depth EXPERIMENT - - - - - - 37 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 13 - - 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] 99117 26 106 18 079 99117 91681 26 086 20 091 91681 85934 19 079 20 085 85934 81155 14 091 15 088 81155 77035 11 076 11 085 77035 73393 5 087 7 083 73393 70105 7 131 5 125 70105 67074 9 166 3 184 67074 64256 9 176 9 231 64256 61532 10 238 12 205 61532 58684 14 223 10 222 58684 55737 22 239 28 250 55737 52954 33 234 36 240 52954 50470 45 244 47 240 50470 48258 54 238 53 235 48258 46256 55 234 52 233 46256 44419 58 234 53 231 44419 42713 65 227 58 228 42713 41124 82 219 73 223 41124 39640 92 215 81 223 39640 38244 90 215 84 218 38244 36895 89 217 87 216 36895 35519 89 221 85 218 35519 34089 87 226 79 221 34089 32609 77 227 74 221 32609 31065 66 227 67 224 31065 29442 57 228 62 228 29442 27740 51 222 59 231 27740 25959 49 221 51 237 25959 24102 45 229 40 250 24102 22172 38 238 33 264 22172 20163 30 249 26 276 20163 18071 21 267 19 282 18071 15941 17 261 14 276 15941 13884 18 249 13 272 13884 12009 19 243 14 273 12009 10346 15 248 15 274 10346 8874 14 271 13 287 8874 7565 11 295 12 294 7565 6400 9 314 9 305 6400 5366 7 333 7 327 5366 4454 7 344 7 347 4454 3647 7*346 7 352 3647 2924 7*348 7 355 2924 2284 7 348 7 355 2284 1749 7 347 7 355 1749 1339 7 347 7 355 1339 1057 6 346 7 355 1057 885 6 346 6*355 885 787 5 346 5*354 787 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