DrJack's BLIPSPOT for: SAT 03/21 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 = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 56.0 - - 60.1 - - - Temp@2m Sfc.Heating - - - - - - 140 - - 71 - - - Sfc.Heating BL Depth - - - - - - 2171 - - 76 - - - BL Depth Hcrit - - - - - - 1729 - - 769 - - - Hcrit BL Top - - - - - - 2880 - - 785 - - - BL Top Hgt.Variab. - - - - - - 630 - - 2735 - - - Hgt.Variab. W* - - - - - - 281 - - 74 - - - W* B/S - - - - - - 12 - - 3 - - - B/S BL Wind - - - - - - 4 - - 4 - - - BL Wind Direction - - - - - - 351 - - 074 - - - Direction Wind Shear - - - - - - 1 - - 0 - - - Wind Shear Max.Converg - - - - - - 1 - - 0 - - - Max.Converg CLOUDpotent - - - - - - 274 - - -2459 - - - CLOUDpotentl sfcLCL - - - - - - 2606 - - 3244 - - - sfcLCL ODpotential - - - - - - -4771 - - -5282 - - - ODpotential blCL - - - - - - 7651 - - 6067 - - - blCL maxRH - - - - - - 93 - - 77 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 56.0 - - 60.1 - - - Temp@2m DewPt@2m - - - - - - 47.3 - - 48.6 - - - DewPt@2m Temp@Bot - - - - - - 54.6 - - 59.1 - - - Temp@Bot DewPt@Bot - - - - - - 46.0 - - 47.4 - - - DewPt@bot Sfc.Heating - - - - - - 140 - - 71 - - - Sfc.Heating BL Depth - - - - - - 2171 - - 76 - - - BL Depth EXPERIMENT - - - - - - 72 - - 9 - - - EXPERIMENT EXPERIMENT2 - - - - - - 7 - - 7 - - - 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] 96550 22 247 18 239 96550 89420 11 266 12 233 89420 83899 4 246 8 232 83899 79319 4 023 5 194 79319 75370 5 319 4 342 75370 71873 10 269 9 306 71873 68702 6 242 9 254 68702 65767 10 352 8 273 65767 63031 18 324 19 292 63031 60367 33 276 24 287 60367 57555 30 266 29 288 57555 54612 29 293 36 299 54612 51802 34 298 41 298 51802 49277 36 309 46 308 49277 47011 46 311 51 306 47011 44952 53 312 56 305 44952 43071 60 310 59 302 43071 41345 62 307 60 303 41345 39755 66 311 65 309 39755 38294 80 312 76 310 38294 36943 84 306 77 304 36943 35647 78 303 71 302 35647 34330 65 307 65 304 34330 32961 61 313 62 307 32961 31541 64 314 60 307 31541 30055 70 309 62 304 30055 28489 70 307 66 302 28489 26845 67 308 66 300 26845 25127 64 305 62 298 25127 23335 65 303 57 297 23335 21470 61 308 52 295 21470 19526 49 311 50 296 19526 17496 40 308 44 299 17496 15425 38 297 33 290 15425 13431 27 289 27 275 13431 11615 19 283 26 277 11615 10000 15 267 26 276 10000 8567 13 256 28 267 8567 7296 9 237 28 259 7296 6167 8 219 23 254 6167 5167 6 246 18 248 5167 4287 5 295 13 240 4287 3511 4*340 8 228 3511 2820 4*349 3 123 2820 2210 4 351 4 088 2210 1702 5 351 5 083 1702 1311 5 353 5 078 1311 1042 4 352 5 076 1042 879 4 354 4 075 879 785 4 351 4*074 785 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