DrJack's BLIPSPOT for: FRI 05/29 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 - - - - - - 72.3 - - 76.4 - - - Temp@2m Sfc.Heating - - - - - - 187 - - 34 - - - Sfc.Heating BL Depth - - - - - - 3622 - - 77 - - - BL Depth Hcrit - - - - - - 2938 - - 770 - - - Hcrit BL Top - - - - - - 4331 - - 786 - - - BL Top Hgt.Variab. - - - - - - 1402 - - 5787 - - - Hgt.Variab. W* - - - - - - 373 - - 66 - - - W* B/S - - - - - - 9 - - 2 - - - B/S BL Wind - - - - - - 8 - - 7 - - - BL Wind Direction - - - - - - 249 - - 273 - - - Direction Wind Shear - - - - - - 4 - - 0 - - - Wind Shear Max.Converg - - - - - - -3 - - 1 - - - Max.Converg CLOUDpotent - - - - - - -1348 - - -5309 - - - CLOUDpotentl sfcLCL - - - - - - 5679 - - 6095 - - - sfcLCL ODpotential - - - - - - -8512 - - -9271 - - - ODpotential blCL - - - - - - 12843 - - 10057 - - - blCL maxRH - - - - - - 61 - - 56 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 72.3 - - 76.4 - - - Temp@2m DewPt@2m - - - - - - 50.1 - - 52.4 - - - DewPt@2m Temp@Bot - - - - - - 70.7 - - 75.8 - - - Temp@Bot DewPt@Bot - - - - - - 48.8 - - 51.1 - - - DewPt@bot Sfc.Heating - - - - - - 187 - - 34 - - - Sfc.Heating BL Depth - - - - - - 3622 - - 77 - - - BL Depth EXPERIMENT - - - - - - 0 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 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] 98173 8 148 1 077 98173 90793 11 082 14 110 90793 85105 12 058 16 093 85105 80355 11 068 15 065 80355 76263 13 050 11 065 76263 72634 15 050 8 052 72634 69343 10 005 12 025 69343 66331 6 333 14 342 66331 63551 16 351 14 332 63551 60858 24 327 25 333 60858 58052 29 306 33 321 58052 55151 32 296 39 308 55151 52398 38 302 44 300 52398 49943 50 310 52 302 49943 47772 66 303 67 299 47772 45831 75 294 77 293 45831 44059 77 295 80 292 44059 42412 74 301 81 295 42412 40867 72 305 80 298 40867 39410 71 307 76 300 39410 38030 71 307 74 300 38030 36689 73 309 72 299 36689 35326 71 311 68 295 35326 33910 64 306 66 290 33910 32439 61 300 67 289 32439 30897 60 300 65 290 30897 29275 60 301 61 296 29275 27576 60 302 56 297 27576 25800 60 301 55 293 25800 23951 57 299 54 290 23951 22027 55 298 51 291 22027 20020 52 301 50 296 20020 17928 49 306 49 304 17928 15794 44 310 45 308 15794 13741 38 310 37 308 13741 11876 32 308 31 308 11876 10221 29 309 27 309 10221 8756 27 312 25 308 8756 7459 24 312 23 299 7459 6310 19 300 21 283 6310 5293 12 269 17 267 5293 4396 10*252 16 268 4396 3602 9*250 15 269 3602 2890 9 249 14 270 2890 2260 8 249 13 271 2260 1734 8 248 12 272 1734 1330 7 248 11 273 1330 1052 6 248 10 274 1052 883 6 248 9 274 883 786 5 247 7*273 786 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