DrJack's BLIPSPOT for: FRI 10/16 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 - - 76.1 - - - Temp@2m Sfc.Heating - - - - - - 13 - - -40 - - - Sfc.Heating BL Depth - - - - - - 78 - - 77 - - - BL Depth Hcrit - - - - - - 770 - - 770 - - - Hcrit BL Top - - - - - - 787 - - 786 - - - BL Top Hgt.Variab. - - - - - - 6635 - - 4410 - - - Hgt.Variab. W* - - - - - - 57 - - 38 - - - W* B/S - - - - - - 1 - - 1 - - - B/S BL Wind - - - - - - 10 - - 14 - - - BL Wind Direction - - - - - - 238 - - 290 - - - Direction Wind Shear - - - - - - 0 - - 0 - - - Wind Shear Max.Converg - - - - - - 0 - - 4 - - - Max.Converg CLOUDpotent - - - - - - -3377 - - -2495 - - - CLOUDpotentl sfcLCL - - - - - - 4165 - - 3281 - - - sfcLCL ODpotential - - - - - - -4006 - - -3731 - - - ODpotential blCL - - - - - - 4793 - - 4517 - - - blCL maxRH - - - - - - 94 - - 100 - - - maxRH CAPE - - - - - - 760 - - 560 - - - CAPE Temp@2m - - - - - - 81.7 - - 76.1 - - - Temp@2m DewPt@2m - - - - - - 65.8 - - 64.0 - - - DewPt@2m Temp@Bot - - - - - - 81.6 - - 76.3 - - - Temp@Bot DewPt@Bot - - - - - - 64.6 - - 63.6 - - - DewPt@bot Sfc.Heating - - - - - - 13 - - -40 - - - Sfc.Heating BL Depth - - - - - - 78 - - 77 - - - BL Depth EXPERIMENT - - - - - - 78 - - 100 - - - EXPERIMENT EXPERIMENT2 - - - - - - 14 - - 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] 97573 30 254 27 258 97573 90346 25 249 30 256 90346 84746 20 246 28 250 84746 80081 13 248 19 246 80081 76065 10 235 13 243 76065 72522 7 237 10 257 72522 69319 9 248 12 254 69319 66370 12 263 13 255 66370 63639 15 262 18 239 63639 61016 18 242 21 232 61016 58315 31 254 26 251 58315 55522 40 245 34 258 55522 52854 50 231 50 232 52854 50462 51 230 61 223 50462 48318 53 232 69 219 48318 46356 57 228 73 216 46356 44536 61 224 77 213 44536 42835 64 222 78 212 42835 41237 65 217 78 212 41237 39727 66 214 78 214 39727 38297 68 215 79 215 38297 36915 70 216 82 215 36915 35512 70 215 87 214 35512 34055 72 214 82 217 34055 32549 76 211 72 225 32549 30979 77 211 68 230 30979 29334 70 221 68 229 29334 27610 64 232 70 229 27610 25805 65 231 72 230 25805 23929 68 229 70 231 23929 21993 68 228 65 231 21993 19994 62 227 60 232 19994 17922 55 229 56 232 17922 15812 50 233 51 233 15812 13778 45 235 48 235 13778 11926 41 234 43 238 11926 10278 40 236 38 241 10278 8814 40 241 34 242 8814 7513 36 247 31 241 7513 6355 32 247 29 243 6355 5329 30 247 28 249 5329 4423 27 245 27 259 4423 3622 24 243 28 268 3622 2904 22 242 29 275 2904 2270 20 240 29 279 2270 1741 19 240 29 283 1741 1334 17 239 27 285 1334 1054 16 239 25 287 1054 884 14*239 21 288 884 786 10*238 14*290 786 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