DrJack's BLIPSPOT for: TUE 08/11 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 - - - - - - 0659z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 87.1 - - 87.4 - - 76.4 Temp@2m Sfc.Heating - - - - - - 164 - - 57 - - -6 Sfc.Heating BL Depth - - - - - - 3862 - - 78 - - 78 BL Depth Hcrit - - - - - - 3053 - - 771 - - 770 Hcrit BL Top - - - - - - 4571 - - 787 - - 787 BL Top Hgt.Variab. - - - - - - 2617 - - 6624 - - 1896 Hgt.Variab. W* - - - - - - 365 - - 75 - - 20 W* B/S - - - - - - 8 - - 2 - - 2 B/S BL Wind - - - - - - 8 - - 9 - - 2 BL Wind Direction - - - - - - 307 - - 279 - - 232 Direction Wind Shear - - - - - - 7 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 2 - - 2 - - -1 Max.Converg CLOUDpotent - - - - - - -737 - - -3713 - - -802 CLOUDpotentl sfcLCL - - - - - - 5308 - - 4500 - - 1589 sfcLCL ODpotential - - - - - - -2467 - - -4277 - - -3058 ODpotential blCL - - - - - - 7038 - - 5064 - - 3845 blCL maxRH - - - - - - 77 - - 81 - - 77 maxRH CAPE - - - - - - 1310 - - 2670 - - 1810 CAPE Temp@2m - - - - - - 87.1 - - 87.4 - - 76.4 Temp@2m DewPt@2m - - - - - - 66.3 - - 70.0 - - 71.6 DewPt@2m Temp@Bot - - - - - - 85.6 - - 86.6 - - 76.9 Temp@Bot DewPt@Bot - - - - - - 65.2 - - 69.0 - - 70.8 DewPt@bot Sfc.Heating - - - - - - 164 - - 57 - - -6 Sfc.Heating BL Depth - - - - - - 3862 - - 78 - - 78 BL Depth EXPERIMENT - - - - - - 7 - - 25 - - 7 EXPERIMENT EXPERIMENT2 - - - - - - 13 - - 16 - - 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] 99333 26 082 25 084 24 066 99333 91880 21 075 24 079 19 057 91880 86121 19 089 18 071 14 063 86121 81313 16 077 13 069 12 054 81313 77157 11 074 9 070 9 035 77157 73478 7 072 8 067 6 050 73478 70145 5 099 5 327 5 028 70145 67079 5 014 2 246 4 354 67079 64245 9 272 5 268 5 298 64245 61511 10 220 10 295 9 290 61511 58687 13 257 20 289 12 286 58687 55768 24 265 30 270 17 288 55768 52987 33 262 33 266 35 281 52987 50532 38 263 40 267 42 276 50532 48368 38 258 41 269 39 271 48368 46407 36 268 45 277 36 262 46407 44599 40 276 46 275 40 268 44599 42919 41 278 40 262 50 267 42919 41358 42 277 42 258 54 266 41358 39897 43 278 45 260 53 267 39897 38516 45 280 45 268 54 267 38516 37173 46 282 44 277 55 269 37173 35799 47 279 44 287 54 270 35799 34366 46 276 46 290 51 268 34366 32876 44 277 47 285 46 263 32876 31315 41 281 46 281 44 261 31315 29673 35 281 43 279 40 259 29673 27952 31 281 40 278 35 261 27952 26151 32 283 39 280 32 268 26151 24271 36 286 37 280 30 272 24271 22316 38 279 35 283 25 271 22316 20282 37 272 31 288 19 267 20282 18163 35 270 28 287 19 268 18163 16006 30 268 25 290 18 256 16006 13940 25 267 27 288 17 254 13940 12069 25 273 26 288 22 277 12069 10404 27 282 25 290 31 282 10404 8920 29 291 22 293 34 286 8920 7597 28 298 18 294 33 287 7597 6421 24 300 16 289 32 284 6421 5378 17*297 15 282 29 279 5378 4460 11*297 14 281 25 274 4460 3649 9 303 14 281 21 274 3649 2924 8 307 14 280 17 279 2924 2283 8 310 14 280 15 284 2283 1748 7 313 14 280 12 284 1748 1338 7 314 13 280 8 279 1338 1056 7 316 12 280 6 270 1056 885 6 316 11 280 4*257 885 787 5 317 9*279 2*232 787 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