DrJack's BLIPSPOT for: TUE 02/10 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 - - - - - - 41.6 - - 41.9 - - 37.2 Temp@2m Sfc.Heating - - - - - - 11 - - -7 - - -22 Sfc.Heating BL Depth - - - - - - 75 - - 75 - - 75 BL Depth Hcrit - - - - - - 767 - - 767 - - 767 Hcrit BL Top - - - - - - 784 - - 784 - - 784 BL Top Hgt.Variab. - - - - - - 680 - - 416 - - 78 Hgt.Variab. W* - - - - - - 40 - - 18 - - 0 W* B/S - - - - - - 3 - - 1 - - 0 B/S BL Wind - - - - - - 3 - - 3 - - 5 BL Wind Direction - - - - - - 139 - - 136 - - 158 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -1 - - -2 - - -4 Max.Converg CLOUDpotent - - - - - - -971 - - -722 - - -633 CLOUDpotentl sfcLCL - - - - - - 1755 - - 1507 - - 1417 sfcLCL ODpotential - - - - - - -9620 - - -9543 - - -10124 ODpotential blCL - - - - - - 10404 - - 10327 - - 10908 blCL maxRH - - - - - - 80 - - 76 - - 73 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 41.6 - - 41.9 - - 37.2 Temp@2m DewPt@2m - - - - - - 36.9 - - 38.1 - - 33.9 DewPt@2m Temp@Bot - - - - - - 41.2 - - 44.8 - - 41.7 Temp@Bot DewPt@Bot - - - - - - 36.0 - - 39.0 - - 37.0 DewPt@bot Sfc.Heating - - - - - - 11 - - -7 - - -22 Sfc.Heating BL Depth - - - - - - 75 - - 75 - - 75 BL Depth EXPERIMENT - - - - - - 18 - - 3 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 5 - - 5 - - 4 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] 96138 27 273 19 304 19 324 96138 89184 15 359 16 357 20 348 89184 83747 24 015 14 003 17 341 83747 79184 24 013 12 002 17 349 79184 75214 18 001 13 339 17 350 75214 71677 12 352 13 317 12 339 71677 68442 17 342 17 315 18 346 68442 65459 29 312 26 310 29 320 65459 62713 34 296 35 302 35 300 62713 60066 34 299 38 298 36 294 60066 57299 40 294 41 295 41 289 57299 54418 42 286 47 289 44 285 54418 51652 45 296 51 291 48 289 51652 49150 57 289 60 286 60 291 49150 46907 60 284 63 282 78 291 46907 44877 67 297 67 288 89 290 44877 43019 88 297 90 290 90 287 43019 41311 100 287 95 287 89 285 41311 39739 88 285 89 281 94 284 39739 38291 85 293 82 281 92 281 38291 36947 86 291 80 284 85 279 36947 35652 82 288 75 284 81 280 35652 34331 79 291 69 283 78 281 34331 32955 79 293 67 286 76 283 32955 31529 79 291 66 286 72 283 31529 30036 81 286 65 279 68 280 30036 28467 84 282 68 272 68 278 28467 26823 84 281 69 269 70 277 26823 25104 81 284 67 271 69 275 25104 23311 76 290 65 277 65 271 23311 21448 71 292 65 284 60 270 21448 19508 67 292 62 288 58 274 19508 17483 62 291 59 288 58 276 17483 15415 55 285 56 282 58 274 15415 13421 48 275 48 265 53 267 13421 11610 44 272 42 253 47 261 11610 10003 39 274 38 255 41 258 10003 8575 32 277 35 262 37 259 8575 7304 29 280 34 268 37 262 7304 6173 26 278 35 268 38 264 6173 5170 23 267 38 265 40 263 5170 4287 21 252 38 263 41 261 4287 3507 18 240 31 255 39 256 3507 2811 15 223 21 236 32 246 2811 2198 14 205 16 207 25 228 2198 1689 12 188 18 190 25 214 1689 1300 8 160 14 171 21 201 1300 1034 5 146 10 162 15 183 1034 874 4*143 7*154 10*172 874 784 3*139 3*136 5*158 784 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