DrJack's BLIPSPOT for: SUN 03/22 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 - - - - - - 83.7 - - 85.9 - - - Temp@2m Sfc.Heating - - - - - - 179 - - 31 - - - Sfc.Heating BL Depth - - - - - - 3804 - - 78 - - - BL Depth Hcrit - - - - - - 3022 - - 770 - - - Hcrit BL Top - - - - - - 4513 - - 787 - - - BL Top Hgt.Variab. - - - - - - 5095 - - 11601 - - - Hgt.Variab. W* - - - - - - 366 - - 60 - - - W* B/S - - - - - - 4 - - 1 - - - B/S BL Wind - - - - - - 17 - - 10 - - - BL Wind Direction - - - - - - 218 - - 220 - - - Direction Wind Shear - - - - - - 13 - - 0 - - - Wind Shear Max.Converg - - - - - - -2 - - -1 - - - Max.Converg CLOUDpotent - - - - - - -6045 - - -10395 - - - CLOUDpotentl sfcLCL - - - - - - 10558 - - 11182 - - - sfcLCL ODpotential - - - - - - -8245 - - -11646 - - - ODpotential blCL - - - - - - 12758 - - 12433 - - - blCL maxRH - - - - - - 57 - - 47 - - - maxRH CAPE - - - - - - 0 - - 10 - - - CAPE Temp@2m - - - - - - 83.7 - - 85.9 - - - Temp@2m DewPt@2m - - - - - - 39.7 - - 39.1 - - - DewPt@2m Temp@Bot - - - - - - 82.3 - - 85.6 - - - Temp@Bot DewPt@Bot - - - - - - 38.6 - - 38.1 - - - DewPt@bot Sfc.Heating - - - - - - 179 - - 31 - - - Sfc.Heating BL Depth - - - - - - 3804 - - 78 - - - BL Depth EXPERIMENT - - - - - - 0 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 5 - - 5 - - - 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] 96737 24 244 21 281 96737 89544 13 227 15 249 89544 84000 9 230 14 223 84000 79396 4 316 10 220 79396 75422 5 297 5 225 75422 71909 4 229 6 268 71909 68743 6 217 16 242 68743 65840 7 222 18 227 65840 63144 12 271 15 238 63144 60530 19 265 16 259 60530 57789 23 265 26 258 57789 54918 27 268 33 261 54918 52167 34 291 33 276 52167 49685 48 303 41 279 49685 47442 59 299 47 278 47442 45384 59 294 51 276 45384 43487 58 296 54 280 43487 41737 65 296 63 284 41737 40131 70 289 74 284 40131 38666 66 283 69 276 38666 37311 61 288 61 273 37311 36004 61 296 60 275 36004 34672 66 297 63 280 34672 33285 69 294 65 284 33285 31848 66 289 61 284 31848 30350 59 287 57 282 30350 28778 55 289 54 279 28778 27134 54 294 52 277 27134 25412 54 298 47 277 25412 23614 47 297 42 281 23614 21743 39 295 40 287 21743 19794 37 294 40 293 19794 17763 36 290 41 290 17763 15690 32 285 39 285 15690 13694 28 284 35 282 13694 11875 28 282 33 277 11875 10253 28 276 28 264 10253 8806 27 262 24 250 8806 7515 26 245 23 245 7515 6364 25 234 22 241 6364 5340 23*232 22 237 5340 4435 22*228 21 233 4435 3634 20 222 20 229 3634 2915 18 219 19 227 2915 2278 16 215 19 225 2278 1746 16 213 18 224 1746 1337 14 211 17 223 1337 1056 13 210 16 222 1056 885 12 210 14*222 885 787 9 209 10*220 787 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