DrJack's BLIPSPOT for: TUE 01/20 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 - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 25.0 - - 25.3 - - 20.6 Temp@2m Sfc.Heating - - - - - - 298 - - 88 - - -6 Sfc.Heating BL Depth - - - - - - 4064 - - 74 - - 73 BL Depth Hcrit - - - - - - 3405 - - 766 - - 766 Hcrit BL Top - - - - - - 4773 - - 783 - - 782 BL Top Hgt.Variab. - - - - - - 1283 - - 5340 - - 3182 Hgt.Variab. W* - - - - - - 430 - - 76 - - 7 W* B/S - - - - - - 6 - - 2 - - 0 B/S BL Wind - - - - - - 14 - - 9 - - 3 BL Wind Direction - - - - - - 267 - - 283 - - 306 Direction Wind Shear - - - - - - 7 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 3 - - 2 - - 1 Max.Converg CLOUDpotent - - - - - - -3966 - - -7731 - - -6374 CLOUDpotentl sfcLCL - - - - - - 8740 - - 8514 - - 7156 sfcLCL ODpotential - - - - - - -16668 - - -19262 - - -18904 ODpotential blCL - - - - - - 21441 - - 20045 - - 19686 blCL maxRH - - - - - - 39 - - 42 - - 31 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 25.0 - - 25.3 - - 20.6 Temp@2m DewPt@2m - - - - - - -11.0 - - -9.6 - - -7.9 DewPt@2m Temp@Bot - - - - - - 23.2 - - 24.4 - - 21.3 Temp@Bot DewPt@Bot - - - - - - -11.7 - - -10.3 - - -8.8 DewPt@bot Sfc.Heating - - - - - - 298 - - 88 - - -6 Sfc.Heating BL Depth - - - - - - 4064 - - 74 - - 73 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 1 - - 1 - - 1 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] 95770 31 254 41 258 46 253 95770 88685 25 234 31 241 37 244 88685 83194 30 262 35 256 42 245 83194 78593 46 256 38 252 43 241 78593 74598 51 246 47 255 45 257 74598 71048 59 247 56 256 54 268 71048 67830 64 248 63 253 62 264 67830 64866 64 241 67 247 69 255 64866 62104 64 233 68 242 70 249 62104 59413 64 234 71 245 75 250 59413 56601 73 241 81 250 83 249 56601 53680 90 247 96 250 91 249 53680 50887 107 249 106 250 100 252 50887 48378 119 249 115 250 111 252 48378 46137 127 247 123 248 119 249 46137 44104 132 244 127 245 121 248 44104 42238 133 241 127 244 125 248 42238 40519 131 241 125 244 129 246 40519 38926 129 243 126 245 124 243 38926 37436 129 246 124 246 120 250 37436 36044 131 248 126 249 130 254 36044 34715 136 249 132 252 134 251 34715 33378 140 247 134 251 128 249 33378 32003 137 246 127 251 122 251 32003 30587 132 248 120 256 121 254 30587 29110 130 249 120 260 118 254 29110 27557 128 249 119 261 113 253 27557 25928 124 249 114 258 108 253 25928 24224 118 252 107 256 100 253 24224 22450 113 255 99 256 92 255 22450 20610 109 258 93 258 85 258 20610 18699 103 259 87 260 79 262 18699 16707 95 260 83 264 71 264 16707 14676 80 260 78 266 65 268 14676 12715 59 260 69 267 62 271 12715 10938 47 264 53 268 55 273 10938 9377 43 270 39 269 43 273 9377 8014 40 274 34 274 33 273 8014 6819 34 273 29 274 27 272 6819 5767 24 267 21 267 23 266 5767 4839 16*262 15 269 19 256 4839 4025 15*263 15 271 17 254 4025 3307 15 264 15 275 15 262 3307 2667 15 267 15 278 14 271 2667 2101 14 268 14 279 14 279 2101 1629 13 270 14 280 12 285 1629 1268 13 271 14 282 11 292 1268 1019 12 271 13 282 8 299 1019 868 11 272 11*283 6 303 868 782 9 272 9*283 3*306 782 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