DrJack's BLIPSPOT for: SUN 02/01 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 - - - - - - 19.0 - - 19.9 - - 10.1 Temp@2m Sfc.Heating - - - - - - 104 - - 22 - - -25 Sfc.Heating BL Depth - - - - - - 73 - - 73 - - 73 BL Depth Hcrit - - - - - - 766 - - 766 - - 765 Hcrit BL Top - - - - - - 782 - - 782 - - 782 BL Top Hgt.Variab. - - - - - - 2967 - - 3232 - - 1176 Hgt.Variab. W* - - - - - - 81 - - 49 - - 0 W* B/S - - - - - - 1 - - 1 - - 0 B/S BL Wind - - - - - - 12 - - 11 - - 6 BL Wind Direction - - - - - - 314 - - 320 - - 313 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 4 - - 4 - - 1 Max.Converg CLOUDpotent - - - - - - -1440 - - -1817 - - -1286 CLOUDpotentl sfcLCL - - - - - - 2222 - - 2599 - - 2068 sfcLCL ODpotential - - - - - - -1381 - - -1912 - - -11033 ODpotential blCL - - - - - - 2163 - - 2694 - - 11815 blCL maxRH - - - - - - 96 - - 94 - - 72 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 19.0 - - 19.9 - - 10.1 Temp@2m DewPt@2m - - - - - - 12.2 - - 11.4 - - 4.2 DewPt@2m Temp@Bot - - - - - - 18.1 - - 19.4 - - 13.9 Temp@Bot DewPt@Bot - - - - - - 11.0 - - 10.6 - - 6.5 DewPt@bot Sfc.Heating - - - - - - 104 - - 22 - - -25 Sfc.Heating BL Depth - - - - - - 73 - - 73 - - 73 BL Depth EXPERIMENT - - - - - - 84 - - 77 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 2 - - 1 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] 96311 56 215 60 227 59 236 96311 88973 56 213 59 216 60 228 88973 83309 59 223 51 221 53 226 83309 78608 63 229 58 234 54 243 78608 74564 57 229 58 236 52 239 74564 70974 48 226 55 240 43 236 70974 67697 40 234 48 240 39 236 67697 64671 42 241 46 245 37 237 64671 61856 45 240 45 247 34 243 61856 59115 46 245 45 249 41 253 59115 56262 48 249 49 251 50 258 56262 53309 50 249 54 249 54 257 53309 50481 50 248 53 247 53 254 50481 47921 48 247 51 246 48 254 47921 45621 44 249 45 248 45 260 45621 43534 42 252 39 256 45 260 43534 41625 38 251 37 264 40 262 41625 39868 32 255 35 266 36 265 39868 38247 29 260 34 266 35 262 38247 36741 27 261 31 269 28 267 36741 35337 26 262 28 270 21 283 35337 33992 21 265 25 281 23 289 33992 32643 15 279 22 290 26 293 32643 31263 14 281 19 299 23 296 31263 29850 15 263 19 306 22 316 29850 28393 17 237 19 309 23 325 28393 26883 23 217 22 312 27 329 26883 25319 23 223 22 315 30 335 25319 23694 21 244 24 329 32 341 23694 22005 14 272 27 335 30 342 22005 20248 14 303 25 338 26 340 20248 18415 19 338 27 352 24 337 18415 16497 25 344 26 351 23 336 16497 14536 23 346 26 351 25 338 14536 12640 22 345 28 351 27 339 12640 10914 23 342 31 346 29 339 10914 9382 26 339 35 340 31 340 9382 8022 29 337 37 337 33 341 8022 6817 30 335 37 337 34 343 6817 5752 31 334 36 337 34 345 5752 4815 32 332 35 332 35 345 4815 3996 32 324 32 323 38 339 3996 3279 28 316 29 319 41 325 3279 2643 27 315 28 319 41 314 2643 2083 26 315 27 319 36 312 2083 1618 25 315 25 319 30 313 1618 1261 23 314 23 320 24 314 1261 1015 21 315 19 320 18 315 1015 866 18 314 16 320 13*314 866 782 12*314 11*320 6*313 782 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