DrJack's BLIPSPOT for: SUN 04/19 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 - - - - - - 51.9 - - 53.1 - - - Temp@2m Sfc.Heating - - - - - - 191 - - 124 - - - Sfc.Heating BL Depth - - - - - - 4388 - - 5742 - - - BL Depth Hcrit - - - - - - 3492 - - 4254 - - - Hcrit BL Top - - - - - - 5097 - - 6451 - - - BL Top Hgt.Variab. - - - - - - 2535 - - 2875 - - - Hgt.Variab. W* - - - - - - 393 - - 375 - - - W* B/S - - - - - - 3 - - 2 - - - B/S BL Wind - - - - - - 27 - - 29 - - - BL Wind Direction - - - - - - 294 - - 291 - - - Direction Wind Shear - - - - - - 16 - - 17 - - - Wind Shear Max.Converg - - - - - - 8 - - 9 - - - Max.Converg CLOUDpotent - - - - - - 455 - - -266 - - - CLOUDpotentl sfcLCL - - - - - - 4642 - - 6718 - - - sfcLCL ODpotential - - - - - - -979 - - -1506 - - - ODpotential blCL - - - - - - 6076 - - 7957 - - - blCL maxRH - - - - - - 83 - - 82 - - - maxRH CAPE - - - - - - 40 - - 20 - - - CAPE Temp@2m - - - - - - 51.9 - - 53.1 - - - Temp@2m DewPt@2m - - - - - - 34.3 - - 26.4 - - - DewPt@2m Temp@Bot - - - - - - 50.7 - - 52.3 - - - Temp@Bot DewPt@Bot - - - - - - 33.0 - - 25.2 - - - DewPt@bot Sfc.Heating - - - - - - 191 - - 124 - - - Sfc.Heating BL Depth - - - - - - 4388 - - 5742 - - - BL Depth EXPERIMENT - - - - - - 33 - - 26 - - - EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 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] 97113 27 217 34 254 97113 89823 27 227 31 245 89823 84227 20 249 25 252 84227 79587 18 270 20 272 79587 75587 19 264 17 273 75587 72038 15 240 16 251 72038 68818 13 243 10 247 68818 65840 5 216 11 173 65840 63052 9 271 23 249 63052 60365 37 245 39 232 60365 57564 42 235 41 225 57564 54618 44 245 46 238 54618 51786 51 243 48 247 51786 49240 57 243 56 249 49240 46960 64 242 65 244 46960 44886 69 238 72 237 44886 42980 75 236 75 233 42980 41221 83 233 77 232 41221 39591 92 231 84 235 39591 38078 105 230 94 236 38078 36673 118 227 106 234 36673 35335 126 223 117 232 35335 33991 127 221 128 231 33991 32601 126 221 132 231 32601 31163 125 221 131 230 31163 29659 122 222 129 230 29659 28078 118 224 120 232 28078 26431 113 225 106 235 26431 24717 106 227 98 237 24717 22934 98 229 92 237 22934 21081 90 229 85 236 21081 19150 87 223 79 239 19150 17134 88 218 78 248 17134 15072 80 218 79 256 15072 13085 64 227 71 258 13085 11292 50 248 54 260 11292 9725 41 264 36 271 9725 8347 34 275 32 286 8347 7123 31 286 32*287 7123 6034 31*288 31*289 6034 5066 30*290 31 290 5066 4213 30 292 31 290 4213 3458 29 294 30 291 3458 2782 28 295 30 292 2782 2183 27 296 29 292 2183 1684 27 296 28 292 1684 1301 25 296 27 293 1301 1037 23 297 25 293 1037 876 20 297 21 293 876 784 14 297 15 293 784 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