DrJack's BLIPSPOT for: MON 10/12 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 - - - - - - 68.7 - - 69.0 - - - Temp@2m Sfc.Heating - - - - - - 35 - - -5 - - - Sfc.Heating BL Depth - - - - - - 77 - - 77 - - - BL Depth Hcrit - - - - - - 769 - - 769 - - - Hcrit BL Top - - - - - - 786 - - 786 - - - BL Top Hgt.Variab. - - - - - - 3315 - - 2874 - - - Hgt.Variab. W* - - - - - - 63 - - 35 - - - W* B/S - - - - - - 1 - - 1 - - - B/S BL Wind - - - - - - 8 - - 7 - - - BL Wind Direction - - - - - - 308 - - 309 - - - Direction Wind Shear - - - - - - 0 - - 0 - - - Wind Shear Max.Converg - - - - - - 2 - - 2 - - - Max.Converg CLOUDpotent - - - - - - -1540 - - -1636 - - - CLOUDpotentl sfcLCL - - - - - - 2326 - - 2422 - - - sfcLCL ODpotential - - - - - - -1777 - - -7006 - - - ODpotential blCL - - - - - - 2563 - - 7792 - - - blCL maxRH - - - - - - 99 - - 91 - - - maxRH CAPE - - - - - - 10 - - 0 - - - CAPE Temp@2m - - - - - - 68.7 - - 69.0 - - - Temp@2m DewPt@2m - - - - - - 61.0 - - 60.9 - - - DewPt@2m Temp@Bot - - - - - - 68.1 - - 68.9 - - - Temp@Bot DewPt@Bot - - - - - - 60.1 - - 60.2 - - - DewPt@bot Sfc.Heating - - - - - - 35 - - -5 - - - Sfc.Heating BL Depth - - - - - - 77 - - 77 - - - BL Depth EXPERIMENT - - - - - - 95 - - 63 - - - EXPERIMENT EXPERIMENT2 - - - - - - 12 - - 12 - - - 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] 97223 31 254 35 250 97223 90060 27 270 27 263 90060 84513 20 269 24 264 84513 79889 18 278 24 275 79889 75914 16 285 19 279 75914 72419 17 295 18 291 72419 69268 18 294 20 300 69268 66380 20 295 19 304 66380 63700 24 294 28 320 63700 61118 35 298 36 303 61118 58446 37 283 34 295 58446 55661 25 263 37 311 55661 52986 41 306 53 306 52986 50574 56 302 54 299 50574 48403 55 295 51 292 48403 46418 50 290 47 290 46418 44583 43 290 43 294 44583 42868 38 293 41 298 42868 41257 37 298 39 300 41257 39739 41 304 38 299 39739 38314 52 309 42 296 38314 36945 56 308 45 291 36945 35558 53 303 46 286 35558 34123 46 306 42 282 34123 32641 40 312 39 285 32641 31092 38 319 35 284 31092 29461 36 320 34 279 29461 27750 38 315 35 277 27750 25957 42 309 35 281 25957 24086 42 310 33 288 24086 22140 39 315 31 299 22140 20116 35 322 28 309 20116 18007 30 327 23 313 18007 15860 27 336 19 314 15860 13797 26 343 18 324 13797 11927 26 347 20 330 11927 10268 25 350 23 333 10268 8794 24 346 23 334 8794 7483 24 337 22 335 7483 6317 23 329 21 333 6317 5285 22 324 22 324 5285 4378 21 314 23 311 4378 3583 19 309 22 307 3583 2875 17 309 20 309 2875 2249 16 308 18 310 2249 1727 15 308 17 310 1727 1325 14 309 15 310 1325 1049 13 308 13 310 1049 882 11*308 11*310 882 786 8*308 7*309 786 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