DrJack's BLIPSPOT for: SUN 08/16 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 - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 80.0 - - 80.9 - - - Temp@2m Sfc.Heating - - - - - - 104 - - 44 - - - Sfc.Heating BL Depth - - - - - - 78 - - 78 - - - BL Depth Hcrit - - - - - - 770 - - 771 - - - Hcrit BL Top - - - - - - 787 - - 787 - - - BL Top Hgt.Variab. - - - - - - 3231 - - 3997 - - - Hgt.Variab. W* - - - - - - 87 - - 64 - - - W* B/S - - - - - - 2 - - 3 - - - B/S BL Wind - - - - - - 7 - - 4 - - - BL Wind Direction - - - - - - 169 - - 230 - - - Direction Wind Shear - - - - - - 0 - - 0 - - - Wind Shear Max.Converg - - - - - - -3 - - 0 - - - Max.Converg CLOUDpotent - - - - - - -1045 - - -1544 - - - CLOUDpotentl sfcLCL - - - - - - 1832 - - 2331 - - - sfcLCL ODpotential - - - - - - -1301 - - -2325 - - - ODpotential blCL - - - - - - 2088 - - 3112 - - - blCL maxRH - - - - - - 95 - - 94 - - - maxRH CAPE - - - - - - 1440 - - 1400 - - - CAPE Temp@2m - - - - - - 80.0 - - 80.9 - - - Temp@2m DewPt@2m - - - - - - 74.0 - - 72.8 - - - DewPt@2m Temp@Bot - - - - - - 78.8 - - 80.3 - - - Temp@Bot DewPt@Bot - - - - - - 73.2 - - 72.3 - - - DewPt@bot Sfc.Heating - - - - - - 104 - - 44 - - - Sfc.Heating BL Depth - - - - - - 78 - - 78 - - - BL Depth EXPERIMENT - - - - - - 80 - - 76 - - - EXPERIMENT EXPERIMENT2 - - - - - - 18 - - 18 - - - 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] 99411 38 093 24 089 99411 91890 30 087 24 065 91890 86080 25 080 27 076 86080 81275 25 061 29 087 81275 77145 21 053 23 084 77145 73506 11 078 14 088 73506 70219 10 100 5 117 70219 67193 8 081 3 186 67193 64393 9 049 6 002 64393 61694 6 051 8 335 61694 58899 3 297 10 287 58899 56028 13 268 12 256 56028 53336 21 290 22 278 53336 50961 31 305 29 294 50961 48837 34 279 35 277 48837 46892 34 266 37 263 46892 45090 29 270 40 264 45090 43407 32 281 45 268 43407 41824 39 281 46 267 41824 40327 40 279 46 266 40327 38910 39 277 43 263 38910 37534 39 273 39 261 37534 36131 39 272 38 260 36131 34671 36 273 37 261 34671 33157 29 271 32 262 33157 31577 25 262 26 259 31577 29916 25 256 24 259 29916 28174 25 265 23 256 28174 26352 28 269 21 264 26352 24452 32 268 24 274 24452 22476 35 266 28 273 22476 20423 35 266 32 274 20423 18286 31 270 32 278 18286 16113 30 283 30 284 16113 14029 33 291 29 290 14029 12135 32 289 29 295 12135 10449 29 284 29 295 10449 8949 25 278 26 288 8949 7616 21 274 26 281 7616 6434 18 269 26 275 6434 5390 17 264 25 267 5390 4470 15 258 21 259 4470 3658 13 244 16 252 3658 2932 11 215 12 246 2932 2289 11 194 11 248 2289 1753 11 178 8 239 1753 1341 10 174 7 234 1341 1058 10 172 6 233 1058 886 9*170 5*232 886 787 7*169 4*230 787 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