DrJack's BLIPSPOT for: TUE 09/08 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 - - - - - - 0955z - - 1000z - - - Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 81.7 - - 83.0 - - - Temp@2m Sfc.Heating - - - - - - 180 - - 59 - - - Sfc.Heating BL Depth - - - - - - 4580 - - 78 - - - BL Depth Hcrit - - - - - - 3606 - - 770 - - - Hcrit BL Top - - - - - - 5289 - - 787 - - - BL Top Hgt.Variab. - - - - - - 2122 - - 7098 - - - Hgt.Variab. W* - - - - - - 391 - - 71 - - - W* B/S - - - - - - 28 - - 11 - - - B/S BL Wind - - - - - - 3 - - 1 - - - BL Wind Direction - - - - - - 275 - - 199 - - - Direction Wind Shear - - - - - - 2 - - 0 - - - Wind Shear Max.Converg - - - - - - -7 - - 0 - - - Max.Converg CLOUDpotent - - - - - - -898 - - -5703 - - - CLOUDpotentl sfcLCL - - - - - - 6188 - - 6491 - - - sfcLCL ODpotential - - - - - - -4334 - - -6451 - - - ODpotential blCL - - - - - - 9623 - - 7238 - - - blCL maxRH - - - - - - 81 - - 74 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 81.7 - - 83.0 - - - Temp@2m DewPt@2m - - - - - - 57.5 - - 57.5 - - - DewPt@2m Temp@Bot - - - - - - 80.1 - - 82.1 - - - Temp@Bot DewPt@Bot - - - - - - 56.5 - - 56.5 - - - DewPt@bot Sfc.Heating - - - - - - 180 - - 59 - - - Sfc.Heating BL Depth - - - - - - 4580 - - 78 - - - BL Depth EXPERIMENT - - - - - - 25 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 9 - - 10 - - - 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] 99187 18 109 10 095 99187 91693 17 106 12 102 91693 85897 13 096 15 108 85897 81103 9 090 16 101 81103 76978 5 141 5 072 76978 73337 10 164 6 258 73337 70047 7 134 5 251 70047 67037 6 059 2 169 67037 64257 11 001 7 029 64257 61586 13 334 11 352 61586 58807 14 348 14 347 58807 55919 26 339 25 338 55919 53184 35 331 37 334 53184 50753 36 333 41 329 50753 48592 39 334 40 326 48592 46639 42 339 32 339 46639 44851 55 354 71 353 44851 43197 81 353 81 350 43197 41645 75 352 72 352 41645 40177 62 350 62 353 40177 38786 50 347 55 354 38786 37430 45 345 47 346 37430 36045 43 344 42 327 36045 34599 40 339 39 320 34599 33096 39 337 34 324 33096 31517 40 330 34 319 31517 29852 37 319 37 313 29852 28104 35 311 38 314 28104 26275 33 313 35 306 26275 24372 28 308 30 299 24372 22396 27 300 29 300 22396 20342 24 303 23 306 20342 18207 19 299 18 303 18207 16040 13 294 15 290 16040 13959 9 292 12 283 13959 12067 7 286 9 277 12067 10385 7 293 8 272 10385 8895 9 291 9 275 8895 7577 8 284 7 261 7577 6407 5 288 5 236 6407 5371 4*286 5 228 5371 4457 3*281 4 217 4457 3648 3 279 3 211 3648 2924 3 274 3 206 2924 2283 2 272 2 206 2283 1749 2 272 2 202 1749 1338 2 272 2 201 1338 1056 2 271 1 199 1056 885 2 272 1*201 885 787 2 271 1*199 787 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