DrJack's BLIPSPOT for: THU 12/25 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0953z - - 1001z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 55.8 - - 53.0 - - 42.8 Temp@2m Sfc.Heating - - - - - - 85 - - 1 - - -27 Sfc.Heating BL Depth - - - - - - 1371 - - 75 - - 75 BL Depth Hcrit - - - - - - 768 - - 768 - - 768 Hcrit BL Top - - - - - - 2080 - - 784 - - 784 BL Top Hgt.Variab. - - - - - - 1034 - - 3197 - - 2387 Hgt.Variab. W* - - - - - - 202 - - 27 - - 11 W* B/S - - - - - - 2 - - 0 - - 0 B/S BL Wind - - - - - - 15 - - 10 - - 7 BL Wind Direction - - - - - - 312 - - 328 - - 335 Direction Wind Shear - - - - - - 8 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 5 - - 4 - - 2 Max.Converg CLOUDpotent - - - - - - -236 - - -1828 - - -1568 CLOUDpotentl sfcLCL - - - - - - 2316 - - 2612 - - 2352 sfcLCL ODpotential - - - - - - -4070 - - -2067 - - -11875 ODpotential blCL - - - - - - 6150 - - 2851 - - 12659 blCL maxRH - - - - - - 92 - - 92 - - 80 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 55.8 - - 53.0 - - 42.8 Temp@2m DewPt@2m - - - - - - 48.4 - - 44.4 - - 35.5 DewPt@2m Temp@Bot - - - - - - 55.0 - - 52.9 - - 43.5 Temp@Bot DewPt@Bot - - - - - - 47.9 - - 44.0 - - 35.4 DewPt@bot Sfc.Heating - - - - - - 85 - - 1 - - -27 Sfc.Heating BL Depth - - - - - - 1371 - - 75 - - 75 BL Depth EXPERIMENT - - - - - - 68 - - 66 - - 21 EXPERIMENT EXPERIMENT2 - - - - - - 7 - - 6 - - 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] 95269 79 247 84 249 82 252 95269 88263 63 251 62 254 60 257 88263 82843 48 255 52 264 54 264 82843 78340 40 271 45 273 49 268 78340 74467 35 272 33 277 42 272 74467 71029 40 273 33 265 46 279 71029 67902 52 288 49 290 56 295 67902 65027 63 296 63 299 65 301 65027 62368 74 302 71 302 65 301 62368 59791 82 304 74 304 63 309 59791 57087 85 302 80 305 79 316 57087 54260 90 298 91 303 90 309 54260 51562 91 296 93 301 99 302 51562 49148 90 300 94 307 98 308 49148 46989 96 311 105 315 105 314 46989 45031 110 317 122 312 111 313 45031 43242 124 315 126 312 115 315 43242 41600 128 312 130 315 120 317 41600 40079 118 310 128 316 120 315 40079 38657 105 310 123 315 117 313 38657 37315 103 313 116 315 115 312 37315 36009 103 314 111 316 112 313 36009 34676 102 314 108 316 107 313 34676 33286 102 315 99 314 99 313 33286 31844 100 314 92 313 99 318 31844 30334 96 311 87 312 90 312 30334 28742 92 305 83 311 84 306 28742 27070 89 300 80 309 80 305 27070 25316 90 298 79 306 76 305 25316 23483 89 301 77 305 72 303 23483 21575 84 308 73 307 68 302 21575 19588 72 311 67 310 63 304 19588 17518 60 304 64 315 58 307 17518 15409 56 298 59 315 52 310 15409 13380 50 298 53 309 48 311 13380 11539 45 300 48 306 44 311 11539 9906 41 303 44 310 40 312 9906 8459 40 304 41 314 38 317 8459 7177 41 304 40 314 37 320 7177 6045 40 304 39 316 35 323 6045 5051 38 304 36 320 29 330 5051 4186 35 304 31 323 25 337 4186 3430 31 305 27 323 25 342 3430 2758 26 306 25 325 26 341 2758 2166 19*309 25 326 25 339 2166 1673 18*310 23 327 23 338 1673 1294 16 311 21 328 21 337 1294 1033 15 312 19 328 16 336 1033 874 13 313 15 328 13*336 874 784 9 313 10*328 7*335 784 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