DrJack's BLIPSPOT for: WED 02/11 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 - - - - - - 39.3 - - 37.0 - - - Temp@2m Sfc.Heating - - - - - - 55 - - -11 - - - Sfc.Heating BL Depth - - - - - - 74 - - 74 - - - BL Depth Hcrit - - - - - - 767 - - 767 - - - Hcrit BL Top - - - - - - 783 - - 783 - - - BL Top Hgt.Variab. - - - - - - 3970 - - 4607 - - - Hgt.Variab. W* - - - - - - 68 - - 28 - - - W* B/S - - - - - - 1 - - 1 - - - B/S BL Wind - - - - - - 10 - - 9 - - - BL Wind Direction - - - - - - 290 - - 300 - - - Direction Wind Shear - - - - - - 0 - - 0 - - - Wind Shear Max.Converg - - - - - - 2 - - 2 - - - Max.Converg CLOUDpotent - - - - - - -1729 - - -1338 - - - CLOUDpotentl sfcLCL - - - - - - 2512 - - 2121 - - - sfcLCL ODpotential - - - - - - -1887 - - -1871 - - - ODpotential blCL - - - - - - 2670 - - 2654 - - - blCL maxRH - - - - - - 94 - - 100 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 39.3 - - 37.0 - - - Temp@2m DewPt@2m - - - - - - 31.2 - - 30.7 - - - DewPt@2m Temp@Bot - - - - - - 38.8 - - 37.6 - - - Temp@Bot DewPt@Bot - - - - - - 30.0 - - 29.9 - - - DewPt@bot Sfc.Heating - - - - - - 55 - - -11 - - - Sfc.Heating BL Depth - - - - - - 74 - - 74 - - - BL Depth EXPERIMENT - - - - - - 75 - - 100 - - - EXPERIMENT EXPERIMENT2 - - - - - - 4 - - 4 - - - 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] 96049 24 291 23 296 96049 89110 13 346 15 295 89110 83660 13 008 9 295 83660 79079 13 338 8 296 79079 75096 12 314 16 297 75096 71561 12 296 8 267 71561 68333 9 310 10 269 68333 65335 26 285 26 276 65335 62562 28 270 32 268 62562 59891 16 247 24 226 59891 57105 17 256 15 269 57105 54173 45 283 34 280 54173 51341 61 277 58 280 51341 48785 64 271 66 272 48785 46490 63 268 64 274 46490 44406 62 272 72 278 44406 42505 69 276 82 275 42505 40760 81 271 87 268 40760 39142 88 264 86 264 39142 37632 93 266 84 266 37632 36223 104 270 90 272 36223 34878 114 268 104 275 34878 33530 121 262 117 274 33530 32147 120 254 123 269 32147 30729 120 253 122 263 30729 29256 118 258 119 264 29256 27712 114 264 114 268 27712 26095 111 269 112 271 26095 24398 108 271 109 270 24398 22621 105 267 107 269 22621 20771 103 266 103 269 20771 18844 96 269 97 271 18844 16842 85 272 89 274 16842 14815 75 274 80 278 14815 12881 69 277 72 285 12881 11134 64 283 68 292 11134 9581 61 288 65 296 9581 8200 59 291 60 296 8200 6978 54 292 52 295 6978 5901 45 291 42 292 5901 4955 34 287 34 290 4955 4123 25 284 31 291 4123 3387 24 285 29 293 3387 2729 23 287 26 295 2729 2146 22 288 25 296 2146 1660 20 289 22 298 1660 1286 18 290 20 299 1286 1029 16 290 16 299 1029 873 13 291 13 300 873 783 10*290 9*300 783 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