DrJack's BLIPSPOT for: THU 05/16 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 = 15Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1001z - - 1554z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m - - - - - - 72.7 - - 75.2 - - 69.6 Temp@2m Sfc.Heating - - - - - - 161 - - 77 - - -18 Sfc.Heating BL Depth - - - - - - 3392 - - 77 - - 77 BL Depth Hcrit - - - - - - 2680 - - 770 - - 769 Hcrit BL Top - - - - - - 4101 - - 786 - - 786 BL Top Hgt.Variab. - - - - - - 3239 - - 6387 - - 3834 Hgt.Variab. W* - - - - - - 343 - - 78 - - 19 W* B/S - - - - - - 5 - - 2 - - 1 B/S BL Wind - - - - - - 12 - - 8 - - 4 BL Wind Direction - - - - - - 337 - - 343 - - 003 Direction Wind Shear - - - - - - 5 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -5 - - 2 - - 1 Max.Converg CLOUDpotent - - - - - - -73 - - -3581 - - -1849 CLOUDpotentl sfcLCL - - - - - - 4174 - - 4368 - - 2635 sfcLCL ODpotential - - - - - - -1174 - - -3936 - - -3463 ODpotential blCL - - - - - - 5275 - - 4722 - - 4249 blCL maxRH - - - - - - 94 - - 95 - - 84 maxRH CAPE - - - - - - 80 - - 330 - - 300 CAPE Temp@2m - - - - - - 72.7 - - 75.2 - - 69.6 Temp@2m DewPt@2m - - - - - - 56.9 - - 58.5 - - 60.5 DewPt@2m Temp@Bot - - - - - - 71.3 - - 74.2 - - 70.7 Temp@Bot DewPt@Bot - - - - - - 55.8 - - 57.6 - - 60.0 DewPt@bot Sfc.Heating - - - - - - 161 - - 77 - - -18 Sfc.Heating BL Depth - - - - - - 3392 - - 77 - - 77 BL Depth EXPERIMENT - - - - - - 76 - - 82 - - 37 EXPERIMENT EXPERIMENT2 - - - - - - 9 - - 11 - - 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] 98380 16 090 12 057 16 055 98380 90996 20 075 16 088 16 063 90996 85344 15 078 24 094 16 084 85344 80658 9 101 17 082 18 084 80658 76598 10 117 10 089 12 073 76598 72988 12 120 8 112 7 113 72988 69706 9 135 3 255 7 112 69706 66684 14 175 9 257 4 305 66684 63894 7 158 11 241 14 258 63894 61201 10 269 15 262 25 271 61201 58386 21 274 19 269 25 264 58386 55432 30 271 25 279 27 276 55432 52580 31 268 34 276 27 274 52580 50007 28 270 36 267 26 272 50007 47701 29 268 24 261 32 272 47701 45614 28 255 21 281 30 265 45614 43724 23 252 37 280 26 283 43724 42012 22 279 38 270 46 295 42012 40454 27 299 28 300 54 292 40454 39010 33 309 35 320 50 309 39010 37650 36 312 45 337 47 315 37650 36331 35 312 55 336 57 324 36331 34988 38 312 60 338 61 326 34988 33589 45 313 59 344 62 326 33589 32138 49 311 44 333 54 324 32138 30622 46 308 41 314 45 332 30622 29025 37 314 37 314 39 336 29025 27347 33 320 34 313 34 321 27347 25594 30 323 31 314 31 303 25594 23766 25 329 28 317 26 292 23766 21863 23 336 27 316 24 295 21863 19880 20 330 23 321 20 309 19880 17813 18 320 19 326 14 323 17813 15699 17 331 20 325 10 324 15699 13659 17 332 21 328 13 325 13659 11811 16 330 21 332 18 322 11811 10176 15 333 18 326 18 314 10176 8728 14 341 18 325 16 312 8728 7440 13 339 17 330 16 320 7440 6295 13 336 15 331 15 329 6295 5280 13 335 14 332 15 334 5280 4384 13*336 13 336 14 341 4384 3593 13*336 13 338 14 351 3593 2883 12 337 12 339 13 358 2883 2255 12 337 12 341 13 000 2255 1731 12 337 12 342 13 001 1731 1328 11 337 11 343 12 001 1328 1051 10 337 11 343 10 001 1051 882 10 338 10 343 8*002 882 786 8 338 8*343 4*003 786 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