DrJack's BLIPSPOT for: SAT 10/17 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 - - - - - - 50.2 - - 50.5 - - - Temp@2m Sfc.Heating - - - - - - 128 - - 35 - - - Sfc.Heating BL Depth - - - - - - 4207 - - 75 - - - BL Depth Hcrit - - - - - - 3120 - - 768 - - - Hcrit BL Top - - - - - - 4916 - - 784 - - - BL Top Hgt.Variab. - - - - - - 1195 - - 4333 - - - Hgt.Variab. W* - - - - - - 337 - - 60 - - - W* B/S - - - - - - 3 - - 1 - - - B/S BL Wind - - - - - - 22 - - 11 - - - BL Wind Direction - - - - - - 349 - - 348 - - - Direction Wind Shear - - - - - - 11 - - 0 - - - Wind Shear Max.Converg - - - - - - 7 - - 4 - - - Max.Converg CLOUDpotent - - - - - - 308 - - -4416 - - - CLOUDpotentl sfcLCL - - - - - - 4609 - - 5200 - - - sfcLCL ODpotential - - - - - - -575 - - -12731 - - - ODpotential blCL - - - - - - 5491 - - 13515 - - - blCL maxRH - - - - - - 84 - - 63 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 50.2 - - 50.5 - - - Temp@2m DewPt@2m - - - - - - 33.1 - - 30.7 - - - DewPt@2m Temp@Bot - - - - - - 49.3 - - 49.9 - - - Temp@Bot DewPt@Bot - - - - - - 32.0 - - 29.7 - - - DewPt@bot Sfc.Heating - - - - - - 128 - - 35 - - - Sfc.Heating BL Depth - - - - - - 4207 - - 75 - - - BL Depth EXPERIMENT - - - - - - 38 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 4 - - 4 - - - 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] 97578 22 239 28 263 97578 90332 24 236 24 248 90332 84756 18 241 18 251 84756 80089 17 242 22 246 80089 76042 13 227 20 236 76042 72460 13 253 20 249 72460 69225 19 254 23 250 69225 66261 18 257 21 243 66261 63509 18 258 18 238 63509 60836 19 273 22 268 60836 58050 32 265 28 262 58050 55151 40 242 34 260 55151 52379 42 240 40 257 52379 49887 58 245 41 250 49887 47652 63 237 42 239 47652 45612 62 222 42 232 45612 43732 51 221 41 233 43732 41989 53 227 40 231 41989 40367 63 226 40 236 40367 38855 62 221 38 238 38855 37443 63 228 31 234 37443 36085 60 229 26 232 36085 34705 54 222 27 233 34705 33273 54 221 27 238 33273 31793 53 222 24 240 31793 30254 53 220 16 245 30254 28643 55 215 14 330 28643 26964 52 215 31 350 26964 25214 43 221 36 348 25214 23390 29 230 34 358 23390 21494 26 226 34 013 21494 19518 35 216 36 018 19518 17452 36 220 38 016 17452 15340 14 290 36 009 15340 13311 24 358 33 360 13311 11477 31 005 33 001 11477 9858 30 009 32 011 9858 8430 28 011 29 023 8430 7165 25 003 28 028 7165 6049 23 349 28 015 6049 5069 23*348 25 351 5069 4211 23*348 25 347 4211 3455 23 349 24 347 3455 2779 23 349 24 348 2779 2181 23 349 23 348 2181 1682 22 350 22 348 1682 1299 21 350 21 348 1299 1036 20 350 19 349 1036 876 17 350 16 349 876 784 12 349 11*348 784 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