DrJack's BLIPSPOT for: THU 08/13 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 - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 87.5 - - 88.0 - - 81.9 Temp@2m Sfc.Heating - - - - - - 226 - - 87 - - -18 Sfc.Heating BL Depth - - - - - - 5214 - - 4964 - - 78 BL Depth Hcrit - - - - - - 4203 - - 3460 - - 770 Hcrit BL Top - - - - - - 5923 - - 5673 - - 787 BL Top Hgt.Variab. - - - - - - 1586 - - 2939 - - 5084 Hgt.Variab. W* - - - - - - 440 - - 324 - - 21 W* B/S - - - - - - 11 - - 7 - - 1 B/S BL Wind - - - - - - 7 - - 9 - - 4 BL Wind Direction - - - - - - 274 - - 300 - - 336 Direction Wind Shear - - - - - - 5 - - 7 - - 0 Wind Shear Max.Converg - - - - - - 7 - - 8 - - 2 Max.Converg CLOUDpotent - - - - - - -553 - - -680 - - -3197 CLOUDpotentl sfcLCL - - - - - - 6476 - - 6353 - - 3984 sfcLCL ODpotential - - - - - - -3401 - - -1584 - - -4719 ODpotential blCL - - - - - - 9324 - - 7257 - - 5506 blCL maxRH - - - - - - 83 - - 87 - - 90 maxRH CAPE - - - - - - 80 - - 190 - - 540 CAPE Temp@2m - - - - - - 87.5 - - 88.0 - - 81.9 Temp@2m DewPt@2m - - - - - - 61.7 - - 62.7 - - 67.0 DewPt@2m Temp@Bot - - - - - - 85.7 - - 86.9 - - 83.0 Temp@Bot DewPt@Bot - - - - - - 60.6 - - 61.8 - - 66.6 DewPt@bot Sfc.Heating - - - - - - 226 - - 87 - - -18 Sfc.Heating BL Depth - - - - - - 5214 - - 4964 - - 78 BL Depth EXPERIMENT - - - - - - 32 - - 47 - - 61 EXPERIMENT EXPERIMENT2 - - - - - - 11 - - 12 - - 14 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] 99495 40 095 26 086 28 066 99495 91977 30 089 26 092 27 082 91977 86169 21 094 24 091 24 094 86169 81349 20 106 18 087 19 094 81349 77198 18 109 18 096 16 104 77198 73523 15 122 12 097 14 098 73523 70191 10 094 10 099 8 085 70191 67138 6 077 6 110 4 061 67138 64325 9 349 6 341 5 359 64325 61620 16 281 12 276 7 335 61620 58818 15 280 14 291 16 307 58818 55940 30 300 27 302 28 301 55940 53217 38 293 37 295 36 292 53217 50778 42 295 38 294 37 295 50778 48618 54 290 52 287 42 287 48618 46675 63 280 58 281 53 281 46675 44878 55 283 54 286 55 288 44878 43202 50 317 56 300 61 308 43202 41639 79 325 68 311 68 307 41639 40167 83 321 77 313 65 295 40167 38769 72 312 72 311 61 280 38769 37409 71 308 65 305 60 278 37409 36018 74 307 57 297 62 276 36018 34570 71 313 58 295 62 270 34570 33069 63 315 65 301 61 267 33069 31500 54 307 59 305 59 267 31500 29847 52 291 49 301 57 268 29847 28108 57 285 46 288 56 270 28108 26285 53 278 55 290 54 272 26285 24382 50 276 57 292 51 279 24382 22407 51 278 53 282 45 286 22407 20353 48 278 49 284 43 288 20353 18221 42 287 39 300 38 293 18221 16060 37 298 32 300 30 296 16060 13989 31 298 29 294 28 296 13989 12111 28 294 26 287 26 290 12111 10440 24 286 24 275 24 274 10440 8952 22 275 20 264 23 253 8952 7627 20 273 14 259 17 242 7627 6449 12*269 10*265 11 241 6449 5405 9*265 10*270 7 261 5405 4485 8 267 9 286 7 298 4485 3670 8 271 9 298 8 323 3670 2941 7 274 9 305 9 330 2941 2296 7 278 9 309 10 333 2296 1758 6 281 9 312 11 336 1758 1343 6 284 9 313 10 336 1343 1059 6 285 9 315 9 337 1059 886 5 286 8 315 7*337 886 787 5 286 7 316 4*336 787 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