DrJack's BLIPSPOT for: TUE 04/07 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 - - - 0653z - - 0955z - - 1000z - - 1333z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 46.5 - - 50.1 - - 49.3 - - 42.9 Temp@2m Sfc.Heating - - - 296 - - 478 - - 264 - - -22 Sfc.Heating BL Depth - - - 4364 - - 4885 - - 4700 - - 75 BL Depth Hcrit - - - 3642 - - 4228 - - 3843 - - 767 Hcrit BL Top - - - 5073 - - 5594 - - 5409 - - 784 BL Top Hgt.Variab. - - - 1326 - - 1231 - - 1341 - - 4633 Hgt.Variab. W* - - - 443 - - 537 - - 435 - - 14 W* B/S - - - 4 - - 5 - - 5 - - 0 B/S BL Wind - - - 23 - - 18 - - 14 - - 6 BL Wind Direction - - - 303 - - 311 - - 324 - - 354 Direction Wind Shear - - - 13 - - 8 - - 6 - - 0 Wind Shear Max.Converg - - - 7 - - 6 - - -7 - - 2 Max.Converg CLOUDpotent - - - -478 - - -3110 - - -3155 - - -5895 CLOUDpotentl sfcLCL - - - 5551 - - 8704 - - 8564 - - 6679 sfcLCL ODpotential - - - -8911 - - -12465 - - -12372 - - -15405 ODpotential blCL - - - 13984 - - 18059 - - 17781 - - 16189 blCL maxRH - - - 70 - - 41 - - 46 - - 51 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 46.5 - - 50.1 - - 49.3 - - 42.9 Temp@2m DewPt@2m - - - 25.1 - - 14.5 - - 14.5 - - 16.7 DewPt@2m Temp@Bot - - - 44.8 - - 47.7 - - 47.6 - - 43.4 Temp@Bot DewPt@Bot - - - 24.1 - - 13.5 - - 13.6 - - 16.4 DewPt@bot Sfc.Heating - - - 296 - - 478 - - 264 - - -22 Sfc.Heating BL Depth - - - 4364 - - 4885 - - 4700 - - 75 BL Depth EXPERIMENT - - - 0 - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - 2 - - 2 - - 2 - - 2 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] 96939 36 239 35 225 48 241 42 250 96939 89562 30 238 34 235 39 242 40 253 89562 83899 25 228 32 233 36 239 34 252 83899 79198 19 255 27 235 30 246 31 244 79198 75148 24 256 28 242 28 243 25 247 75148 71583 28 234 27 248 30 249 29 257 71583 68367 31 239 32 253 36 251 31 248 68367 65395 32 243 35 247 33 250 34 257 65395 62626 37 247 37 252 38 255 46 264 62626 59945 40 255 45 250 47 260 48 257 59945 57138 49 259 52 249 51 259 48 256 57138 54203 59 254 56 244 52 252 51 255 54203 51387 60 248 56 243 54 249 55 256 51387 48859 57 248 57 245 58 252 61 259 48859 46618 60 257 59 251 62 252 66 255 46618 44602 70 254 66 259 67 254 66 252 44602 42768 87 252 83 257 78 258 68 252 42768 41092 103 241 100 243 92 251 75 250 41092 39550 111 232 110 234 104 237 83 245 39550 38115 116 232 111 230 108 230 88 238 38115 36768 113 235 106 229 107 228 91 233 36768 35466 109 237 101 233 103 229 91 231 35466 34140 106 239 99 237 96 233 89 232 34140 32760 104 241 99 241 92 240 85 237 32760 31328 98 243 98 244 92 247 79 244 31328 29831 94 247 97 248 91 252 79 250 29831 28258 94 249 96 252 90 255 79 259 28258 26614 89 248 89 253 86 259 79 269 26614 24895 83 251 81 254 83 264 78 272 24895 23096 77 257 77 262 79 269 74 274 23096 21221 78 267 75 270 75 273 71 275 21221 19263 80 272 76 276 70 278 66 279 19263 17217 77 274 77 280 67 287 61 286 17217 15131 67 276 64 278 60 292 55 291 15131 13130 56 274 50 274 43 289 43 292 13130 11325 49 271 40 277 33 285 32 295 11325 9732 47 275 35 286 30 289 26 299 9732 8324 44 283 33 293 27 294 22 299 8324 7080 40 292 29 294 20 293 18 291 7080 5984 34*296 19*297 14*306 13 290 5984 5018 26*299 18*301 14*311 12 314 5018 4171 24 301 18 305 14 316 14 334 4171 3423 24 302 18 309 15 324 15 342 3423 2754 23 303 18 312 15 326 16 346 2754 2163 22 304 18 314 15 328 16 349 2163 1670 22 305 18 316 15 329 16 351 1670 1292 21 305 17 317 15 331 15 352 1292 1032 20 305 17 317 14 331 13 353 1032 874 17 305 15 318 13 331 10*353 874 784 13 305 12 318 10 332 6*354 784 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