DrJack's BLIPSPOT for: SAT 04/11 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 - - - - - - 62.8 - - 65.4 - - 58.2 Temp@2m Sfc.Heating - - - - - - 315 - - 166 - - -20 Sfc.Heating BL Depth - - - - - - 3942 - - 3920 - - 76 BL Depth Hcrit - - - - - - 3351 - - 3044 - - 769 Hcrit BL Top - - - - - - 4651 - - 4629 - - 785 BL Top Hgt.Variab. - - - - - - 1043 - - 1343 - - 3580 Hgt.Variab. W* - - - - - - 440 - - 355 - - 14 W* B/S - - - - - - 6 - - 8 - - 1 B/S BL Wind - - - - - - 13 - - 8 - - 4 BL Wind Direction - - - - - - 318 - - 326 - - 008 Direction Wind Shear - - - - - - 5 - - 4 - - 0 Wind Shear Max.Converg - - - - - - 4 - - -5 - - 1 Max.Converg CLOUDpotent - - - - - - -700 - - -2860 - - -4724 CLOUDpotentl sfcLCL - - - - - - 5352 - - 7489 - - 5510 sfcLCL ODpotential - - - - - - -6877 - - -8842 - - -11529 ODpotential blCL - - - - - - 11528 - - 13471 - - 12314 blCL maxRH - - - - - - 73 - - 52 - - 46 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 62.8 - - 65.4 - - 58.2 Temp@2m DewPt@2m - - - - - - 42.3 - - 35.5 - - 37.4 DewPt@2m Temp@Bot - - - - - - 60.7 - - 63.8 - - 60.1 Temp@Bot DewPt@Bot - - - - - - 41.2 - - 34.5 - - 36.6 DewPt@bot Sfc.Heating - - - - - - 315 - - 166 - - -20 Sfc.Heating BL Depth - - - - - - 3942 - - 3920 - - 76 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 5 - - 4 - - 5 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] 97031 44 250 53 255 45 275 97031 89714 38 262 42 261 37 273 89714 84104 27 248 32 259 25 262 84104 79439 25 260 30 269 25 272 79439 75415 30 264 35 274 34 280 75415 71890 32 264 38 275 41 274 71890 68718 34 258 38 266 39 267 68718 65787 29 250 34 265 39 271 65787 63039 30 267 37 270 47 278 63039 60361 44 274 43 273 51 277 60361 57561 46 268 45 271 52 280 57561 54657 43 270 46 269 54 279 54657 51892 44 274 44 270 54 272 51892 49406 45 274 41 276 45 268 49406 47174 48 275 44 285 40 285 47174 45157 49 275 51 282 54 290 45157 43321 48 275 50 278 56 281 43321 41637 48 277 47 279 48 284 41637 40086 48 283 45 289 46 300 40086 38656 52 290 48 299 56 315 38656 37323 56 291 53 301 66 320 37323 36035 57 290 56 300 70 320 36035 34719 55 292 56 300 66 318 34719 33347 53 294 55 299 61 315 33347 31922 52 293 54 300 57 312 31922 30429 51 290 53 302 53 309 30429 28856 49 291 52 303 49 307 28856 27202 47 294 48 300 44 306 27202 25464 45 295 44 296 42 300 25464 23646 41 292 40 295 42 295 23646 21754 37 282 37 294 38 292 21754 19778 33 275 34 290 31 290 19778 17714 30 274 30 284 25 285 17714 15605 28 276 27 282 24 277 15605 13571 26 282 26 284 23 277 13571 11720 25 286 26 286 22 282 11720 10075 24 290 24 285 21 280 10075 8620 25 294 21 285 19 268 8620 7332 24 297 18 285 20 257 7332 6192 19 296 13 280 18 257 6192 5188 13*306 8*303 12 283 5188 4306 13*311 8*312 10 319 4306 3529 13 315 8 321 11 337 3529 2833 13 318 8 325 12 346 2833 2219 13 319 8 329 12 353 2219 1707 13 321 8 331 13 357 1707 1313 12 322 8 334 12 001 1313 1043 11 322 7 334 11 003 1043 879 11 322 7 334 8 006 879 785 9 323 6 335 4*008 785 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