DrJack's BLIPSPOT for: WED 08/12 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 - - - - - - 83.9 - - 87.4 - - 82.0 Temp@2m Sfc.Heating - - - - - - 204 - - 107 - - -9 Sfc.Heating BL Depth - - - - - - 3955 - - 78 - - 78 BL Depth Hcrit - - - - - - 3200 - - 771 - - 771 Hcrit BL Top - - - - - - 4664 - - 787 - - 787 BL Top Hgt.Variab. - - - - - - 1637 - - 6479 - - 7049 Hgt.Variab. W* - - - - - - 388 - - 85 - - 22 W* B/S - - - - - - 14 - - 5 - - 1 B/S BL Wind - - - - - - 5 - - 3 - - 3 BL Wind Direction - - - - - - 291 - - 202 - - 232 Direction Wind Shear - - - - - - 3 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -5 - - -1 - - 0 Max.Converg CLOUDpotent - - - - - - -126 - - -5517 - - -3341 CLOUDpotentl sfcLCL - - - - - - 4790 - - 6304 - - 4128 sfcLCL ODpotential - - - - - - -1837 - - -7675 - - -4781 ODpotential blCL - - - - - - 6501 - - 8462 - - 5568 blCL maxRH - - - - - - 83 - - 71 - - 100 maxRH CAPE - - - - - - 980 - - 670 - - 1120 CAPE Temp@2m - - - - - - 83.9 - - 87.4 - - 82.0 Temp@2m DewPt@2m - - - - - - 65.3 - - 62.3 - - 66.4 DewPt@2m Temp@Bot - - - - - - 82.1 - - 86.1 - - 83.3 Temp@Bot DewPt@Bot - - - - - - 64.4 - - 61.3 - - 65.5 DewPt@bot Sfc.Heating - - - - - - 204 - - 107 - - -9 Sfc.Heating BL Depth - - - - - - 3955 - - 78 - - 78 BL Depth EXPERIMENT - - - - - - 33 - - 0 - - 102 EXPERIMENT EXPERIMENT2 - - - - - - 13 - - 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] 99410 38 094 25 088 25 068 99410 91912 28 099 20 078 24 078 91912 86089 16 105 20 085 18 083 86089 81252 15 094 18 095 14 077 81252 77095 9 073 14 095 9 109 77095 73419 6 084 10 068 10 099 73419 70086 4 068 0 095 4 007 70086 67026 4 340 6 270 5 335 67026 64200 3 275 11 255 11 316 64200 61487 8 309 13 298 12 292 61487 58654 18 285 15 274 13 304 58654 55734 22 276 26 296 41 294 55734 52985 34 285 38 279 38 288 52985 50537 43 285 36 290 57 299 50537 48368 42 283 56 291 62 275 48368 46393 49 285 56 280 45 264 46393 44557 49 280 45 282 45 290 44557 42854 43 279 52 300 64 304 42854 41282 37 284 57 299 78 301 41282 39814 34 289 59 296 81 293 39814 38426 34 292 63 300 79 291 38426 37079 36 291 73 302 75 291 37079 35705 42 293 75 304 70 288 35705 34274 50 296 64 308 67 288 34274 32789 53 298 51 293 65 289 32789 31232 50 298 51 288 64 286 31232 29592 46 297 50 287 59 283 29592 27870 41 293 47 283 53 281 27870 26068 37 288 45 287 47 277 26068 24188 34 285 43 291 41 272 24188 22238 33 286 35 283 30 267 22238 20217 32 295 31 278 23 277 20217 18119 33 305 26 296 20 285 18119 15986 30 304 26 296 20 283 15986 13932 23 309 26 278 24 282 13932 12062 17 328 22 264 23 275 12062 10396 17 318 16 262 20 262 10396 8918 16 292 21 266 15 254 8918 7606 13 287 21 264 12 254 7606 6436 10 294 12 251 11 254 6436 5397 7*289 7 232 10 255 5397 4478 7*289 6 227 9 257 4478 3666 6 290 5 222 8 259 3666 2938 6 290 5 217 8 257 2938 2294 5 292 4 213 7 255 2294 1756 5 292 4 209 7 252 1756 1343 4 294 4 205 6 249 1343 1058 4 294 3 204 5 243 1058 886 4 294 3*204 4 237 886 787 3 295 3*202 3*232 787 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