DrJack's BLIPSPOT for: TUE 08/18 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 - - - - - - 0659z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 82.9 - - 82.9 - - 76.1 Temp@2m Sfc.Heating - - - - - - 198 - - 82 - - -18 Sfc.Heating BL Depth - - - - - - 3907 - - 4221 - - 78 BL Depth Hcrit - - - - - - 3163 - - 2888 - - 770 Hcrit BL Top - - - - - - 4616 - - 4930 - - 787 BL Top Hgt.Variab. - - - - - - 1624 - - 2636 - - 4983 Hgt.Variab. W* - - - - - - 386 - - 302 - - 19 W* B/S - - - - - - 9 - - 6 - - 1 B/S BL Wind - - - - - - 8 - - 8 - - 4 BL Wind Direction - - - - - - 319 - - 318 - - 316 Direction Wind Shear - - - - - - 3 - - 4 - - 0 Wind Shear Max.Converg - - - - - - 3 - - 3 - - 1 Max.Converg CLOUDpotent - - - - - - -602 - - -173 - - -2822 CLOUDpotentl sfcLCL - - - - - - 5218 - - 5104 - - 3609 sfcLCL ODpotential - - - - - - -3337 - - -1128 - - -4469 ODpotential blCL - - - - - - 7953 - - 6058 - - 5256 blCL maxRH - - - - - - 84 - - 84 - - 84 maxRH CAPE - - - - - - 0 - - 30 - - 20 CAPE Temp@2m - - - - - - 82.9 - - 82.9 - - 76.1 Temp@2m DewPt@2m - - - - - - 62.6 - - 63.0 - - 62.8 DewPt@2m Temp@Bot - - - - - - 81.3 - - 81.9 - - 77.5 Temp@Bot DewPt@Bot - - - - - - 61.4 - - 62.0 - - 62.1 DewPt@bot Sfc.Heating - - - - - - 198 - - 82 - - -18 Sfc.Heating BL Depth - - - - - - 3907 - - 4221 - - 78 BL Depth EXPERIMENT - - - - - - 34 - - 37 - - 35 EXPERIMENT EXPERIMENT2 - - - - - - 11 - - 12 - - 12 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] 99477 31 089 25 088 14 078 99477 91982 21 087 21 095 18 080 91982 86152 19 101 18 094 20 082 86152 81307 18 088 17 096 18 083 81307 77155 15 094 14 106 13 074 77155 73498 17 127 10 108 8 084 73498 70190 19 124 5 101 10 132 70190 67145 11 121 4 187 7 137 67145 64321 7 180 8 181 7 192 64321 61597 10 196 11 227 7 226 61597 58785 12 221 17 231 18 230 58785 55898 21 239 18 249 21 243 55898 53172 33 252 33 258 37 259 53172 50753 47 251 48 251 52 250 50753 48602 57 249 55 249 57 247 48602 46645 57 251 61 252 62 247 46645 44844 57 255 64 253 64 250 44844 43172 56 261 62 255 61 250 43172 41603 56 261 59 252 56 251 41603 40125 53 257 57 247 53 251 40125 38724 53 256 51 243 51 247 38724 37364 53 255 42 240 38 243 37364 35977 36 263 31 255 31 256 35977 34533 35 285 30 265 31 253 34533 33033 36 292 30 264 25 252 33033 31464 39 278 28 272 23 258 31464 29811 39 267 34 271 29 256 29811 28075 40 269 37 269 29 249 28075 26256 36 277 29 276 28 245 26256 24356 30 278 24 275 27 240 24356 22381 26 275 23 269 24 239 22381 20330 23 269 21 271 20 252 20330 18199 16 255 17 269 17 264 18199 16028 16 266 15 263 15 263 16028 13936 17 274 15 266 15 259 13936 12037 17 273 17 267 14 263 12037 10355 16 263 19 262 14 264 10355 8866 15 259 20 252 18 253 8866 7549 13 265 17 259 19 248 7549 6383 11 282 14 273 13 260 6383 5352 9*305 11*293 11 290 5352 4443 8*315 9*311 11 308 4443 3638 8 318 9 315 12 313 3638 2917 8 319 9 318 12 317 2917 2279 8 320 9 320 12 319 2279 1746 8 321 8 321 12 321 1746 1337 7 320 8 322 12 322 1337 1055 7 321 8 323 10 320 1055 884 7 321 7 323 7*319 884 787 6 321 6 324 4*316 787 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