DrJack's BLIPSPOT for: MON 07/27 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 - - - - - - 85.0 - - 87.3 - - 82.8 Temp@2m Sfc.Heating - - - - - - 191 - - 111 - - -6 Sfc.Heating BL Depth - - - - - - 5381 - - 5026 - - 78 BL Depth Hcrit - - - - - - 4244 - - 3661 - - 771 Hcrit BL Top - - - - - - 6090 - - 5735 - - 787 BL Top Hgt.Variab. - - - - - - 2497 - - 4573 - - 7401 Hgt.Variab. W* - - - - - - 421 - - 348 - - 16 W* B/S - - - - - - 8 - - 9 - - 1 B/S BL Wind - - - - - - 9 - - 7 - - 2 BL Wind Direction - - - - - - 323 - - 331 - - 324 Direction Wind Shear - - - - - - 7 - - 5 - - 0 Wind Shear Max.Converg - - - - - - -3 - - -2 - - 1 Max.Converg CLOUDpotent - - - - - - 370 - - -827 - - -4129 CLOUDpotentl sfcLCL - - - - - - 5721 - - 6562 - - 4917 sfcLCL ODpotential - - - - - - -793 - - -2007 - - -5517 ODpotential blCL - - - - - - 6883 - - 7742 - - 6304 blCL maxRH - - - - - - 86 - - 87 - - 73 maxRH CAPE - - - - - - 1330 - - 1300 - - 1110 CAPE Temp@2m - - - - - - 85.0 - - 87.3 - - 82.8 Temp@2m DewPt@2m - - - - - - 62.4 - - 61.0 - - 63.8 DewPt@2m Temp@Bot - - - - - - 83.3 - - 86.1 - - 84.2 Temp@Bot DewPt@Bot - - - - - - 61.4 - - 60.0 - - 62.8 DewPt@bot Sfc.Heating - - - - - - 191 - - 111 - - -6 Sfc.Heating BL Depth - - - - - - 5381 - - 5026 - - 78 BL Depth EXPERIMENT - - - - - - 46 - - 49 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 11 - - 11 - - 13 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] 99426 43 085 38 092 35 078 99426 91911 31 094 33 071 33 071 91911 86121 26 091 27 069 29 074 86121 81316 26 081 22 088 21 073 81316 77173 25 081 22 084 17 084 77173 73513 23 082 17 084 19 083 73513 70214 21 075 14 099 14 081 70214 67187 17 060 14 085 11 071 67187 64373 12 018 13 046 9 025 64373 61657 12 348 14 006 13 357 61657 58837 17 342 18 334 17 342 58837 55906 21 337 21 332 18 330 55906 53117 30 325 33 330 32 331 53117 50616 32 317 36 320 39 328 50616 48362 33 317 37 322 48 328 48362 46308 32 316 41 328 56 331 46308 44419 31 325 48 331 59 330 44419 42673 42 331 51 329 61 333 42673 41062 51 325 50 326 64 337 41062 39579 52 320 48 325 66 343 39579 38190 49 318 48 328 80 338 38190 36845 44 313 51 331 83 333 36845 35478 38 310 56 333 78 333 35478 34054 40 316 56 331 69 332 34054 32578 43 318 52 330 63 333 32578 31033 39 323 43 323 59 337 31033 29407 35 321 39 319 54 350 29407 27701 34 321 37 318 47 344 27701 25917 31 326 35 316 44 329 25917 24056 26 319 34 321 40 332 24056 22127 28 322 31 332 30 331 22127 20125 28 331 30 333 27 319 20125 18040 24 332 29 333 25 317 18040 15915 19 331 25 331 24 319 15915 13875 18 339 24 328 27 316 13875 12020 20 341 24 333 28 318 12020 10369 21 349 20 340 19 324 10369 8898 18 346 17 339 13 317 8898 7588 14 332 13 332 9 300 7588 6423 14*329 10*328 7 304 6423 5388 13*328 9*329 7 310 5388 4473 10 323 8 329 6 315 4473 3662 9 323 7 330 6 317 3662 2936 9 323 7 331 6 319 2936 2293 8 322 6 332 5 321 2293 1755 8 322 6 333 5 323 1755 1343 7 323 6 334 5 324 1343 1058 7 323 5 333 4 323 1058 886 7 322 5 334 3*322 886 787 5 322 4 335 2*324 787 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