DrJack's BLIPSPOT for: SUN 09/27 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 - - - - - - 63.1 - - 61.1 - - 60.0 Temp@2m Sfc.Heating - - - - - - -27 - - -17 - - -11 Sfc.Heating BL Depth - - - - - - 76 - - 76 - - 76 BL Depth Hcrit - - - - - - 769 - - 769 - - 769 Hcrit BL Top - - - - - - 785 - - 785 - - 785 BL Top Hgt.Variab. - - - - - - 3537 - - 2436 - - 2333 Hgt.Variab. W* - - - - - - 31 - - 24 - - 21 W* B/S - - - - - - 1 - - 0 - - 0 B/S BL Wind - - - - - - 9 - - 9 - - 8 BL Wind Direction - - - - - - 333 - - 318 - - 328 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 3 - - 2 - - 3 Max.Converg CLOUDpotent - - - - - - -1880 - - -723 - - -422 CLOUDpotentl sfcLCL - - - - - - 2666 - - 1508 - - 1208 sfcLCL ODpotential - - - - - - -3029 - - -1739 - - -1018 ODpotential blCL - - - - - - 3814 - - 2524 - - 1803 blCL maxRH - - - - - - 100 - - 100 - - 100 maxRH CAPE - - - - - - 10 - - 20 - - 10 CAPE Temp@2m - - - - - - 63.1 - - 61.1 - - 60.0 Temp@2m DewPt@2m - - - - - - 54.0 - - 56.9 - - 57.2 DewPt@2m Temp@Bot - - - - - - 63.8 - - 61.3 - - 60.0 Temp@Bot DewPt@Bot - - - - - - 53.4 - - 56.7 - - 57.0 DewPt@bot Sfc.Heating - - - - - - -27 - - -17 - - -11 Sfc.Heating BL Depth - - - - - - 76 - - 76 - - 76 BL Depth EXPERIMENT - - - - - - 101 - - 102 - - 102 EXPERIMENT EXPERIMENT2 - - - - - - 9 - - 10 - - 10 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] 98298 10 288 8 310 14 280 98298 90918 6 279 11 332 9 318 90918 85206 4 222 8 309 5 320 85206 80496 3 216 8 281 4 320 80496 76447 2 164 10 261 7 319 76447 72869 4 185 9 255 8 308 72869 69642 6 159 6 228 5 301 69642 66676 6 131 4 195 2 288 66676 63914 3 098 5 187 2 233 63914 61238 2 264 5 182 5 213 61238 58446 4 228 4 188 3 214 58446 55543 4 177 4 209 6 245 55543 52774 4 172 10 227 13 246 52774 50283 7 225 13 238 16 232 50283 48042 10 221 16 235 14 235 48042 46000 8 210 14 224 14 239 46000 44131 7 229 6 236 12 214 44131 42409 5 228 6 256 4 189 42409 40819 2 091 2 289 5 270 40819 39345 8 036 8 020 5 019 39345 37962 11 013 9 011 11 011 37962 36624 11 356 7 356 12 341 36624 35261 11 008 11 358 12 338 35261 33840 16 009 20 002 14 333 33840 32364 16 351 20 349 13 301 32364 30816 16 344 20 340 14 303 30816 29184 15 350 19 332 14 323 29184 27479 17 353 17 347 16 338 27479 25702 19 347 21 353 20 347 25702 23843 21 344 23 348 22 348 23843 21909 23 352 21 351 19 328 21909 19895 23 002 18 359 18 322 19895 17797 21 009 17 360 18 336 17797 15663 23 008 22 352 17 346 15663 13610 27 000 22 347 18 356 13610 11747 30 356 25 001 21 355 11747 10097 36 356 28 001 27 353 10097 8638 39 354 31 356 26 352 8638 7346 37 356 30 352 23 345 7346 6203 37 358 31 356 21 353 6203 5195 38 352 36 357 22 004 5195 4310 36 335 38 347 27 003 4310 3530 33 325 38 337 30 357 3530 2834 31 326 35 333 30 349 2834 2220 29 328 32 330 27 342 2220 1707 26 330 27 325 23 336 1707 1314 22 332 22 322 19 332 1314 1043 18 333 18 320 15 330 1043 879 14 333 15*319 12*329 879 785 9*333 9*318 8*328 785 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