DrJack's BLIPSPOT for: THU 02/12 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 30.0 - - 30.5 - - 29.0 Temp@2m Sfc.Heating - - - - - - 67 - - 22 - - -8 Sfc.Heating BL Depth - - - - - - 74 - - 74 - - 74 BL Depth Hcrit - - - - - - 766 - - 766 - - 766 Hcrit BL Top - - - - - - 783 - - 783 - - 783 BL Top Hgt.Variab. - - - - - - 4415 - - 4235 - - 4170 Hgt.Variab. W* - - - - - - 71 - - 51 - - 21 W* B/S - - - - - - 1 - - 1 - - 1 B/S BL Wind - - - - - - 11 - - 9 - - 6 BL Wind Direction - - - - - - 309 - - 309 - - 305 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 3 - - 3 - - 2 Max.Converg CLOUDpotent - - - - - - -1640 - - -1603 - - -1076 CLOUDpotentl sfcLCL - - - - - - 2423 - - 2386 - - 1859 sfcLCL ODpotential - - - - - - -1663 - - -1711 - - -1624 ODpotential blCL - - - - - - 2446 - - 2494 - - 2407 blCL maxRH - - - - - - 100 - - 99 - - 99 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 30.0 - - 30.5 - - 29.0 Temp@2m DewPt@2m - - - - - - 22.4 - - 23.1 - - 24.0 DewPt@2m Temp@Bot - - - - - - 29.3 - - 30.0 - - 29.3 Temp@Bot DewPt@Bot - - - - - - 21.3 - - 22.1 - - 23.3 DewPt@bot Sfc.Heating - - - - - - 67 - - 22 - - -8 Sfc.Heating BL Depth - - - - - - 74 - - 74 - - 74 BL Depth EXPERIMENT - - - - - - 99 - - 98 - - 98 EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 3 - - 3 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] 95834 22 274 23 294 17 307 95834 89002 6 327 15 300 13 298 89002 83604 5 035 9 267 13 295 83604 79046 10 351 12 289 10 294 79046 75071 9 312 9 300 9 292 75071 71526 14 296 10 297 12 312 71526 68301 8 306 10 255 9 291 68301 65313 12 335 11 286 13 301 65313 62514 29 303 23 278 26 297 62514 59795 36 282 31 276 33 280 59795 56951 33 270 34 262 31 275 56951 53976 41 282 44 277 41 286 53976 51124 51 283 53 287 54 287 51124 48556 57 286 59 288 62 289 48556 46254 64 286 67 290 63 288 46254 44163 66 289 75 289 65 289 44163 42245 69 291 79 286 70 288 42245 40475 73 291 79 285 75 290 40475 38835 78 290 81 286 83 290 38835 37312 81 289 83 286 83 288 37312 35894 83 287 87 286 82 288 35894 34538 84 288 90 283 86 289 34538 33173 87 290 88 281 90 289 33173 31769 94 289 85 285 92 288 31769 30330 100 288 89 289 92 288 30330 28843 100 287 95 291 92 288 28843 27298 101 289 97 290 95 287 27298 25698 105 288 97 292 96 285 25698 24043 105 287 95 291 90 285 24043 22324 103 288 91 288 79 284 22324 20534 97 294 85 288 67 282 20534 18668 84 295 78 294 57 286 18668 16724 71 293 72 300 53 295 16724 14738 62 294 64 303 51 304 14738 12817 51 300 55 303 49 310 12817 11063 43 306 47 303 45 310 11063 9504 41 311 41 305 39 308 9504 8124 40 315 37 308 34 308 8124 6905 37 316 35 310 31 307 6905 5833 32 312 32 309 30 302 5833 4894 27 308 27 306 29 299 4894 4072 26 308 23 307 28 301 4072 3346 26 308 22 308 26 303 3346 2697 25 309 21 308 24 304 2697 2123 24 309 20 309 22 305 2123 1644 22 309 18 309 20 306 1644 1277 20 309 17 309 17 306 1277 1024 18 309 15 309 13 305 1024 871 16*308 13*309 11*305 871 783 11*309 9*309 6*305 783 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