DrJack's BLIPSPOT for: WED 09/09 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 - - - - - - 87.5 - - 87.6 - - - Temp@2m Sfc.Heating - - - - - - 135 - - 30 - - - Sfc.Heating BL Depth - - - - - - 4252 - - 78 - - - BL Depth Hcrit - - - - - - 3237 - - 771 - - - Hcrit BL Top - - - - - - 4961 - - 787 - - - BL Top Hgt.Variab. - - - - - - 4547 - - 9354 - - - Hgt.Variab. W* - - - - - - 354 - - 61 - - - W* B/S - - - - - - 6 - - 2 - - - B/S BL Wind - - - - - - 10 - - 7 - - - BL Wind Direction - - - - - - 223 - - 212 - - - Direction Wind Shear - - - - - - 6 - - 0 - - - Wind Shear Max.Converg - - - - - - -3 - - -1 - - - Max.Converg CLOUDpotent - - - - - - -1874 - - -5546 - - - CLOUDpotentl sfcLCL - - - - - - 6835 - - 6333 - - - sfcLCL ODpotential - - - - - - -2944 - - -6308 - - - ODpotential blCL - - - - - - 7905 - - 7095 - - - blCL maxRH - - - - - - 85 - - 79 - - - maxRH CAPE - - - - - - 60 - - 110 - - - CAPE Temp@2m - - - - - - 87.5 - - 87.6 - - - Temp@2m DewPt@2m - - - - - - 60.4 - - 62.7 - - - DewPt@2m Temp@Bot - - - - - - 86.3 - - 87.6 - - - Temp@Bot DewPt@Bot - - - - - - 59.4 - - 61.7 - - - DewPt@bot Sfc.Heating - - - - - - 135 - - 30 - - - Sfc.Heating BL Depth - - - - - - 4252 - - 78 - - - BL Depth EXPERIMENT - - - - - - 40 - - 15 - - - EXPERIMENT EXPERIMENT2 - - - - - - 10 - - 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] 98978 14 062 13 075 98978 91558 9 081 11 058 91558 85822 13 106 4 060 85822 81065 10 107 6 115 81065 76954 6 172 3 062 76954 73311 7 154 5 273 73311 70024 5 104 8 226 70024 67025 3 103 8 201 67025 64266 2 336 7 226 64266 61612 4 304 11 244 61612 58857 12 325 8 273 58857 56028 14 300 11 283 56028 53381 11 302 11 276 53381 51022 17 324 14 299 51022 48899 22 324 25 295 48899 46956 18 315 25 283 46956 45154 17 313 21 289 45154 43471 28 311 24 300 43471 41889 35 301 30 296 41889 40397 37 297 30 294 40397 38983 36 292 29 282 38983 37610 33 279 31 276 37610 36210 29 271 34 280 36210 34752 27 268 37 283 34752 33238 26 271 33 276 33238 31653 27 273 32 274 31653 29984 27 274 32 277 29984 28234 26 279 30 273 28234 26404 25 281 29 265 26404 24497 23 275 32 267 24497 22516 23 266 30 279 22516 20455 24 267 26 282 20455 18309 20 271 23 270 18309 16126 20 274 21 271 16126 14025 22 276 21 284 14025 12123 22 269 21 288 12123 10446 18 255 18 269 10446 8963 13 252 17 263 8963 7641 13 267 16 256 7641 6464 13 264 14 245 6464 5419 12*256 14 238 5419 4495 12*241 13 225 4495 3679 11 225 12 222 3679 2947 11 222 12 219 2947 2300 11 220 12 217 2300 1760 10 219 11 214 1760 1345 10 219 11 214 1345 1060 9 219 10 214 1060 886 9 218 9 213 886 787 7 218 7*212 787 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