DrJack's BLIPSPOT for: TUE 08/25 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 - - - - - - 79.4 - - 79.2 - - 72.2 Temp@2m Sfc.Heating - - - - - - 190 - - 39 - - -2 Sfc.Heating BL Depth - - - - - - 5651 - - 78 - - 77 BL Depth Hcrit - - - - - - 4462 - - 770 - - 770 Hcrit BL Top - - - - - - 6360 - - 787 - - 786 BL Top Hgt.Variab. - - - - - - 1583 - - 7570 - - 5506 Hgt.Variab. W* - - - - - - 431 - - 65 - - 9 W* B/S - - - - - - 9 - - 2 - - 1 B/S BL Wind - - - - - - 9 - - 6 - - 3 BL Wind Direction - - - - - - 287 - - 323 - - 337 Direction Wind Shear - - - - - - 6 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 2 - - 2 - - 1 Max.Converg CLOUDpotent - - - - - - 132 - - -5427 - - -2803 CLOUDpotentl sfcLCL - - - - - - 6228 - - 6214 - - 3589 sfcLCL ODpotential - - - - - - -686 - - -5896 - - -4483 ODpotential blCL - - - - - - 7046 - - 6683 - - 5269 blCL maxRH - - - - - - 87 - - 92 - - 80 maxRH CAPE - - - - - - 20 - - 20 - - 30 CAPE Temp@2m - - - - - - 79.4 - - 79.2 - - 72.2 Temp@2m DewPt@2m - - - - - - 54.9 - - 54.8 - - 59.3 DewPt@2m Temp@Bot - - - - - - 77.9 - - 78.8 - - 74.4 Temp@Bot DewPt@Bot - - - - - - 53.8 - - 53.7 - - 58.5 DewPt@bot Sfc.Heating - - - - - - 190 - - 39 - - -2 Sfc.Heating BL Depth - - - - - - 5651 - - 78 - - 77 BL Depth EXPERIMENT - - - - - - 46 - - 69 - - 19 EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 9 - - 11 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] 99290 30 097 25 098 23 088 99290 91820 23 088 19 082 21 081 91820 86048 20 090 17 068 16 073 86048 81256 17 080 9 064 15 065 81256 77129 13 092 10 095 9 065 77129 73484 14 090 10 108 9 076 73484 70180 10 088 8 091 8 067 70180 67138 7 088 6 098 7 036 67138 64313 4 108 4 109 3 343 64313 61576 4 117 2 193 5 271 61576 58722 8 321 8 003 4 272 58722 55760 17 286 16 300 18 292 55760 52956 20 278 26 293 23 290 52956 50458 24 288 28 286 23 293 50458 48223 30 294 30 288 30 290 48223 46193 35 288 37 290 31 291 46193 44342 35 278 41 293 40 298 44342 42647 33 278 46 294 48 298 42647 41081 33 280 48 300 48 297 41081 39618 34 280 48 302 50 300 39618 38239 35 278 48 301 52 301 38239 36901 34 278 46 298 55 300 36901 35535 33 281 37 291 54 310 35535 34112 35 283 30 279 49 310 34112 32637 37 281 28 278 44 303 32637 31093 37 281 30 280 37 297 31093 29470 38 287 31 284 31 289 29470 27770 40 294 30 290 26 288 27770 25992 37 302 26 292 23 287 25992 24133 31 298 24 289 22 282 24133 22197 26 294 23 286 20 280 22197 20181 23 304 21 288 16 291 20181 18077 21 310 17 293 14 294 18077 15925 19 306 16 298 12 289 15925 13846 18 291 17 300 12 303 13846 11955 16 289 17 299 15 311 11955 10281 15 282 16 284 17 296 10281 8804 16 275 14 269 16 273 8804 7500 13*271 10 268 13 257 7500 6344 11*277 10 274 9 263 6344 5319 10 279 9 287 7 292 5319 4415 9 283 9 301 8 313 4415 3616 9 287 9 309 8 320 3616 2900 8 289 9 314 9 325 2900 2266 8 293 9 317 9 329 2266 1738 7 296 9 319 9 331 1738 1332 7 297 8 321 8 333 1332 1053 7 298 8 322 7 335 1053 883 6 299 8*323 5 337 883 786 5 298 6*323 3*337 786 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