DrJack's BLIPSPOT for: THU 07/23 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 - - - - - - 0659z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 76.2 - - 79.0 - - 73.6 Temp@2m Sfc.Heating - - - - - - 267 - - 142 - - -14 Sfc.Heating BL Depth - - - - - - 4132 - - 4412 - - 77 BL Depth Hcrit - - - - - - 3444 - - 3353 - - 770 Hcrit BL Top - - - - - - 4841 - - 5121 - - 786 BL Top Hgt.Variab. - - - - - - 1230 - - 2172 - - 5544 Hgt.Variab. W* - - - - - - 428 - - 358 - - 23 W* B/S - - - - - - 19 - - 20 - - 1 B/S BL Wind - - - - - - 4 - - 3 - - 4 BL Wind Direction - - - - - - 012 - - 036 - - 047 Direction Wind Shear - - - - - - 0 - - 2 - - 0 Wind Shear Max.Converg - - - - - - -3 - - -8 - - 0 Max.Converg CLOUDpotent - - - - - - -2476 - - -2388 - - -4807 CLOUDpotentl sfcLCL - - - - - - 7318 - - 7509 - - 5594 sfcLCL ODpotential - - - - - - -10435 - - -9291 - - -11935 ODpotential blCL - - - - - - 15276 - - 14412 - - 12721 blCL maxRH - - - - - - 80 - - 69 - - 47 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 76.2 - - 79.0 - - 73.6 Temp@2m DewPt@2m - - - - - - 47.0 - - 49.0 - - 52.2 DewPt@2m Temp@Bot - - - - - - 74.3 - - 77.6 - - 75.0 Temp@Bot DewPt@Bot - - - - - - 45.9 - - 47.9 - - 51.2 DewPt@bot Sfc.Heating - - - - - - 267 - - 142 - - -14 Sfc.Heating BL Depth - - - - - - 4132 - - 4412 - - 77 BL Depth EXPERIMENT - - - - - - 21 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 6 - - 7 - - 8 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] 99479 35 092 28 075 30 068 99479 91929 36 085 30 076 29 072 91929 86139 31 082 30 077 26 074 86139 81350 26 078 28 077 24 075 81350 77222 22 070 25 075 24 075 77222 73581 16 075 21 074 19 064 73581 70287 14 084 15 077 15 072 70287 67258 4 088 7 049 8 033 67258 64451 3 216 3 021 2 064 64451 61738 6 275 11 326 16 315 61738 58912 12 260 16 268 18 294 58912 55996 18 289 30 289 32 292 55996 53245 36 287 41 279 38 280 53245 50791 55 277 48 279 50 285 50791 48599 65 270 59 283 58 285 48599 46604 74 274 71 283 62 287 46604 44760 81 271 77 280 67 290 44760 43043 79 267 78 276 70 291 43043 41435 74 267 75 273 73 290 41435 39924 72 269 71 272 75 286 39924 38499 72 268 70 270 72 283 38499 37124 72 263 71 268 70 281 37124 35733 73 258 73 266 69 280 35733 34290 74 256 74 264 68 279 34290 32796 73 258 71 265 68 277 32796 31232 70 258 67 263 63 277 31232 29588 67 257 64 262 60 270 29588 27865 64 256 62 263 60 268 27865 26063 60 256 59 263 53 269 26063 24182 52 257 49 260 44 267 24182 22229 38 257 37 254 38 264 22229 20202 26 255 26 262 23 270 20202 18094 23 265 19 272 11 283 18094 15938 23 270 18 271 10 280 15938 13855 21 273 15 270 9 283 13855 11959 17 282 10 274 7 287 11959 10280 12 284 8 269 7 274 10280 8799 13 263 10 267 9 283 8799 7489 18 250 8 267 8 287 7489 6332 12 255 2 246 2 233 6332 5309 2*000 0*025 2 096 5309 4407 3*011 2*039 5 072 4407 3609 4 012 3 039 7 065 3609 2894 4 014 3 038 8 061 2894 2263 4 013 4 035 8 057 2263 1735 5 012 4 035 9 054 1735 1330 5 011 4 033 8 052 1330 1052 4 011 4 033 8 050 1052 883 4 011 4 033 7 048 883 786 4 010 3 031 4*047 786 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