DrJack's BLIPSPOT for: TUE 07/07 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 - - - - - - 80.8 - - 81.2 - - - Temp@2m Sfc.Heating - - - - - - 167 - - 60 - - - Sfc.Heating BL Depth - - - - - - 2304 - - 78 - - - BL Depth Hcrit - - - - - - 1903 - - 771 - - - Hcrit BL Top - - - - - - 3013 - - 787 - - - BL Top Hgt.Variab. - - - - - - 2279 - - 4894 - - - Hgt.Variab. W* - - - - - - 303 - - 72 - - - W* B/S - - - - - - 23 - - 4 - - - B/S BL Wind - - - - - - 2 - - 4 - - - BL Wind Direction - - - - - - 056 - - 357 - - - Direction Wind Shear - - - - - - 1 - - 0 - - - Wind Shear Max.Converg - - - - - - -7 - - 1 - - - Max.Converg CLOUDpotent - - - - - - 27 - - -2388 - - - CLOUDpotentl sfcLCL - - - - - - 2987 - - 3175 - - - sfcLCL ODpotential - - - - - - -672 - - -2975 - - - ODpotential blCL - - - - - - 3685 - - 3762 - - - blCL maxRH - - - - - - 91 - - 88 - - - maxRH CAPE - - - - - - 850 - - 950 - - - CAPE Temp@2m - - - - - - 80.8 - - 81.2 - - - Temp@2m DewPt@2m - - - - - - 70.0 - - 69.7 - - - DewPt@2m Temp@Bot - - - - - - 79.1 - - 80.4 - - - Temp@Bot DewPt@Bot - - - - - - 69.2 - - 68.9 - - - DewPt@bot Sfc.Heating - - - - - - 167 - - 60 - - - Sfc.Heating BL Depth - - - - - - 2304 - - 78 - - - BL Depth EXPERIMENT - - - - - - 63 - - 51 - - - EXPERIMENT EXPERIMENT2 - - - - - - 15 - - 16 - - - 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] 99400 28 083 35 090 99400 91871 29 087 27 085 91871 86047 25 079 21 081 86047 81225 22 081 17 083 81225 77094 23 081 16 095 77094 73446 24 076 20 092 73446 70143 21 074 16 075 70143 67119 12 077 11 069 67119 64331 8 096 11 073 64331 61635 6 074 13 039 61635 58825 4 328 3 021 58825 55940 9 286 8 313 55940 53221 16 282 15 300 53221 50794 21 242 28 246 50794 48632 21 241 29 242 48632 46674 36 257 39 256 46674 44874 49 254 50 253 44874 43203 55 256 55 253 43203 41635 59 257 57 253 41635 40155 59 256 58 251 40155 38751 56 257 58 254 38751 37385 53 255 57 261 37385 35990 49 253 49 264 35990 34538 46 253 42 264 34538 33033 42 254 37 262 33033 31461 37 255 32 258 31461 29808 33 258 27 258 29808 28074 29 257 29 263 28074 26260 27 257 28 262 26260 24368 24 262 28 260 24368 22401 22 271 25 263 22401 20355 20 274 21 263 20355 18225 17 270 20 260 18225 16056 15 264 16 262 16056 13967 12 265 10 268 13967 12074 11 267 10 281 12074 10398 10 267 13 288 10398 8910 9 274 12 286 8910 7587 9 281 10 290 7587 6413 9 294 7 292 6413 5374 7 306 4 300 5374 4459 5 317 2 327 4459 3650 3*330 3 358 3650 2926 2*038 4 002 2926 2286 2 057 4 360 2286 1751 2 059 5 358 1751 1340 3 059 4 358 1340 1057 3 060 4 356 1057 885 2 060 4*357 885 787 2 058 4*357 787 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