DrJack's BLIPSPOT for: SUN 09/20 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 - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 77.9 - - 77.7 - - 73.3 Temp@2m Sfc.Heating - - - - - - 48 - - 8 - - -2 Sfc.Heating BL Depth - - - - - - 77 - - 78 - - 78 BL Depth Hcrit - - - - - - 770 - - 770 - - 770 Hcrit BL Top - - - - - - 786 - - 787 - - 787 BL Top Hgt.Variab. - - - - - - 4509 - - 3635 - - 1698 Hgt.Variab. W* - - - - - - 69 - - 44 - - 9 W* B/S - - - - - - 2 - - 2 - - 1 B/S BL Wind - - - - - - 5 - - 4 - - 2 BL Wind Direction - - - - - - 254 - - 264 - - 007 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 0 - - 0 - - 0 Max.Converg CLOUDpotent - - - - - - -1629 - - -1863 - - -558 CLOUDpotentl sfcLCL - - - - - - 2416 - - 2651 - - 1345 sfcLCL ODpotential - - - - - - -1997 - - -2773 - - -2772 ODpotential blCL - - - - - - 2783 - - 3560 - - 3559 blCL maxRH - - - - - - 97 - - 92 - - 84 maxRH CAPE - - - - - - 1000 - - 810 - - 860 CAPE Temp@2m - - - - - - 77.9 - - 77.7 - - 73.3 Temp@2m DewPt@2m - - - - - - 69.6 - - 68.4 - - 69.6 DewPt@2m Temp@Bot - - - - - - 77.1 - - 77.6 - - 74.3 Temp@Bot DewPt@Bot - - - - - - 68.6 - - 67.5 - - 69.3 DewPt@bot Sfc.Heating - - - - - - 48 - - 8 - - -2 Sfc.Heating BL Depth - - - - - - 77 - - 78 - - 78 BL Depth EXPERIMENT - - - - - - 86 - - 69 - - 35 EXPERIMENT EXPERIMENT2 - - - - - - 16 - - 15 - - 16 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] 98234 6 196 8 260 3 311 98234 90875 11 110 1 098 2 041 90875 85215 10 081 3 117 1 056 85215 80503 2 038 2 228 7 312 80503 76419 6 253 6 274 10 286 76419 72800 9 250 8 261 8 278 72800 69548 11 282 7 278 6 275 69548 66586 10 294 10 299 5 286 66586 63845 6 296 11 284 6 254 63845 61196 6 274 11 258 10 264 61196 58444 9 266 12 259 16 273 58444 55609 16 271 16 268 21 276 55609 52922 26 273 22 265 26 274 52922 50514 29 248 26 257 29 250 50514 48361 28 242 30 259 28 242 48361 46410 28 241 34 254 27 257 46410 44617 25 240 31 246 29 258 44617 42947 22 253 28 240 27 243 42947 41382 24 258 25 239 28 242 41382 39903 27 250 26 243 33 241 39903 38503 28 241 31 237 37 241 38503 37147 29 235 35 229 38 243 37147 35769 29 232 36 223 30 247 35769 34339 26 230 32 222 25 258 34339 32853 22 226 27 231 23 251 32853 31295 17 226 24 231 21 249 31295 29654 18 234 23 226 22 250 29654 27933 21 238 24 234 21 254 27933 26130 23 240 22 245 19 260 26130 24247 26 247 19 253 14 258 24247 22291 30 258 18 268 14 256 22291 20257 34 261 19 278 18 279 20257 18142 31 266 20 279 24 303 18142 15990 24 277 22 278 25 312 15990 13918 23 283 23 280 24 304 13918 12036 22 286 24 287 24 291 12036 10367 21 290 26 295 24 287 10367 8883 22 294 26 298 23 284 8883 7565 21 293 24 299 21 284 7565 6393 19 290 23 297 19 284 6393 5355 18 283 21 292 19 284 5355 4441 16 276 19 287 18 285 4441 3633 14 271 16 283 15 286 3633 2912 12 265 12 278 13 287 2912 2274 10 258 10 271 10 289 2274 1743 9 256 10 266 7 293 1743 1335 8 255 9 264 5 302 1335 1054 8 255 7 264 3 321 1054 884 7 254 6*263 3*343 884 787 5*254 4*264 2*007 787 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