DrJack's BLIPSPOT for: WED 09/02 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 - - - - - - 90.9 - - 92.4 - - 85.1 Temp@2m Sfc.Heating - - - - - - 182 - - 54 - - -25 Sfc.Heating BL Depth - - - - - - 4058 - - 79 - - 78 BL Depth Hcrit - - - - - - 3230 - - 771 - - 771 Hcrit BL Top - - - - - - 4767 - - 788 - - 787 BL Top Hgt.Variab. - - - - - - 2649 - - 7687 - - 1829 Hgt.Variab. W* - - - - - - 379 - - 72 - - 22 W* B/S - - - - - - 69 - - 3 - - 1 B/S BL Wind - - - - - - 1 - - 4 - - 5 BL Wind Direction - - - - - - 290 - - 139 - - 144 Direction Wind Shear - - - - - - 4 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -3 - - -1 - - -2 Max.Converg CLOUDpotent - - - - - - -375 - - -5156 - - -2904 CLOUDpotentl sfcLCL - - - - - - 5142 - - 5944 - - 3691 sfcLCL ODpotential - - - - - - -1842 - - -6004 - - -5292 ODpotential blCL - - - - - - 6609 - - 6792 - - 6079 blCL maxRH - - - - - - 76 - - 80 - - 93 maxRH CAPE - - - - - - 2610 - - 2290 - - 2520 CAPE Temp@2m - - - - - - 90.9 - - 92.4 - - 85.1 Temp@2m DewPt@2m - - - - - - 70.9 - - 68.9 - - 71.4 DewPt@2m Temp@Bot - - - - - - 89.3 - - 91.7 - - 86.6 Temp@Bot DewPt@Bot - - - - - - 69.8 - - 67.9 - - 70.8 DewPt@bot Sfc.Heating - - - - - - 182 - - 54 - - -25 Sfc.Heating BL Depth - - - - - - 4058 - - 79 - - 78 BL Depth EXPERIMENT - - - - - - 5 - - 19 - - 72 EXPERIMENT EXPERIMENT2 - - - - - - 15 - - 15 - - 17 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] 99060 23 125 9 164 4 195 99060 91637 16 098 5 145 4 066 91637 85870 8 046 5 122 10 025 85870 81061 4 029 8 072 7 063 81061 76926 3 014 9 082 7 091 76926 73297 6 018 9 045 5 090 73297 70023 4 203 6 350 2 075 70023 67022 3 068 6 360 10 360 67022 64254 1 327 10 313 11 324 64254 61587 6 338 8 259 13 301 61587 58820 15 322 13 302 15 326 58820 55955 21 301 24 300 27 302 55955 53247 28 308 29 289 30 296 53247 50835 39 307 31 292 30 299 50835 48677 42 304 33 295 35 295 48677 46716 43 294 43 289 35 286 46716 44914 35 283 42 274 39 280 44914 43238 33 268 38 256 45 275 43238 41664 33 268 36 255 44 258 41664 40180 36 275 41 267 41 248 40180 38780 38 275 43 267 42 256 38780 37424 38 276 43 265 45 261 37424 36041 38 277 42 270 44 263 36041 34601 35 279 38 273 40 265 34601 33107 32 279 33 276 37 268 33107 31546 28 276 29 280 33 275 31546 29904 27 272 26 282 32 282 29904 28185 25 276 28 286 33 286 28185 26387 22 292 32 288 34 286 26387 24509 24 305 31 283 33 283 24509 22553 27 310 27 282 29 279 22553 20515 25 309 24 292 24 285 20515 18397 24 300 23 311 24 307 18397 16239 24 305 24 317 27 314 16239 14154 23 313 21 311 24 311 14154 12252 19 320 18 301 20 301 12252 10562 18 328 14 304 18 273 10562 9059 16 329 12 309 18 262 9059 7719 13 317 11 298 17 260 7719 6525 13 302 6 268 15 251 6525 5467 8*291 4 227 12 232 5467 4532 4*283 4 195 12 206 4532 3707 2 281 5 164 13 184 3707 2968 1 285 5 154 14 173 2968 2315 0 294 5 148 15 166 2315 1769 0 325 5 145 15 161 1769 1350 0 001 5 142 14 157 1350 1062 0 020 5 141 12 153 1062 887 0 020 5*140 9 149 887 787 0 018 4*139 5*144 787 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