DrJack's BLIPSPOT for: SAT 06/27 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 - - - - - - 82.3 - - 75.8 - - - Temp@2m Sfc.Heating - - - - - - 129 - - -10 - - - Sfc.Heating BL Depth - - - - - - 3817 - - 77 - - - BL Depth Hcrit - - - - - - 2886 - - 770 - - - Hcrit BL Top - - - - - - 4526 - - 786 - - - BL Top Hgt.Variab. - - - - - - 2539 - - 4090 - - - Hgt.Variab. W* - - - - - - 335 - - 33 - - - W* B/S - - - - - - 6 - - 1 - - - B/S BL Wind - - - - - - 10 - - 6 - - - BL Wind Direction - - - - - - 213 - - 235 - - - Direction Wind Shear - - - - - - 8 - - 0 - - - Wind Shear Max.Converg - - - - - - 6 - - -1 - - - Max.Converg CLOUDpotent - - - - - - -109 - - -1442 - - - CLOUDpotentl sfcLCL - - - - - - 4636 - - 2229 - - - sfcLCL ODpotential - - - - - - -1060 - - -2259 - - - ODpotential blCL - - - - - - 5586 - - 3045 - - - blCL maxRH - - - - - - 93 - - 100 - - - maxRH CAPE - - - - - - 340 - - 780 - - - CAPE Temp@2m - - - - - - 82.3 - - 75.8 - - - Temp@2m DewPt@2m - - - - - - 64.6 - - 68.4 - - - DewPt@2m Temp@Bot - - - - - - 81.1 - - 76.0 - - - Temp@Bot DewPt@Bot - - - - - - 63.5 - - 67.8 - - - DewPt@bot Sfc.Heating - - - - - - 129 - - -10 - - - Sfc.Heating BL Depth - - - - - - 3817 - - 77 - - - BL Depth EXPERIMENT - - - - - - 73 - - 100 - - - EXPERIMENT EXPERIMENT2 - - - - - - 12 - - 15 - - - 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] 99035 31 071 21 069 99035 91556 25 082 20 071 91556 85799 22 081 19 077 85799 81030 21 080 19 090 81030 76929 18 073 20 081 76929 73301 12 071 18 057 73301 70018 9 096 8 058 70018 67010 10 097 2 038 67010 64226 7 015 6 265 64226 61530 5 320 12 325 61530 58733 21 319 20 305 58733 55829 31 287 29 300 55829 53061 39 279 46 283 53061 50595 52 268 52 262 50595 48383 47 255 43 270 48383 46371 46 278 47 287 46371 44542 59 287 50 293 44542 42870 69 283 55 291 42870 41324 70 276 70 274 41324 39874 68 270 62 263 39874 38499 59 265 51 258 38499 37160 54 256 48 254 37160 35788 54 255 46 250 35788 34356 47 257 45 250 34356 32867 37 259 43 251 32867 31306 37 260 41 255 31306 29663 38 260 41 262 29663 27940 36 254 45 280 27940 26139 30 245 40 287 26139 24260 24 253 28 281 24260 22306 19 275 23 257 22306 20271 19 274 27 269 20271 18154 20 263 28 287 18154 15997 15 270 24 289 15997 13919 16 268 21 277 13919 12029 16 261 21 269 12029 10349 17 247 20 265 10349 8861 18 239 17 257 8861 7541 19 239 15 242 7541 6372 18 238 14 229 6372 5338 16*232 14 222 5338 4429 13*222 14 219 4429 3627 11 217 15 221 3627 2908 10 212 15 225 2908 2273 9 210 15 227 2273 1743 8 209 14 230 1743 1335 8 208 13 232 1335 1054 7 208 11 233 1054 884 6 207 9 234 884 786 5 207 6*235 786 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