DrJack's BLIPSPOT for: FRI 09/18 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 - - 1001z - - 1333z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 79.4 - - 78.9 - - 71.8 Temp@2m Sfc.Heating - - - - - - 114 - - 53 - - -8 Sfc.Heating BL Depth - - - - - - 2624 - - 78 - - 77 BL Depth Hcrit - - - - - - 1936 - - 770 - - 770 Hcrit BL Top - - - - - - 3333 - - 787 - - 786 BL Top Hgt.Variab. - - - - - - 2688 - - 4434 - - 2724 Hgt.Variab. W* - - - - - - 280 - - 68 - - 21 W* B/S - - - - - - 5 - - 2 - - 1 B/S BL Wind - - - - - - 9 - - 7 - - 4 BL Wind Direction - - - - - - 331 - - 358 - - 349 Direction Wind Shear - - - - - - 4 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -4 - - 2 - - 1 Max.Converg CLOUDpotent - - - - - - -59 - - -2169 - - -536 CLOUDpotentl sfcLCL - - - - - - 3392 - - 2956 - - 1322 sfcLCL ODpotential - - - - - - -712 - - -2486 - - -1209 ODpotential blCL - - - - - - 4045 - - 3273 - - 1995 blCL maxRH - - - - - - 99 - - 92 - - 96 maxRH CAPE - - - - - - 50 - - 270 - - 80 CAPE Temp@2m - - - - - - 79.4 - - 78.9 - - 71.8 Temp@2m DewPt@2m - - - - - - 67.1 - - 68.3 - - 68.4 DewPt@2m Temp@Bot - - - - - - 78.2 - - 78.0 - - 71.8 Temp@Bot DewPt@Bot - - - - - - 66.4 - - 67.8 - - 68.2 DewPt@bot Sfc.Heating - - - - - - 114 - - 53 - - -8 Sfc.Heating BL Depth - - - - - - 2624 - - 78 - - 77 BL Depth EXPERIMENT - - - - - - 95 - - 68 - - 83 EXPERIMENT EXPERIMENT2 - - - - - - 14 - - 15 - - 15 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] 98440 20 069 8 035 29 011 98440 91125 18 065 13 043 17 025 91125 85481 17 043 16 039 14 021 85481 80775 12 043 14 033 10 005 80775 76704 11 011 11 013 12 355 76704 73099 11 001 11 347 12 353 73099 69835 7 317 10 318 12 327 69835 66845 5 301 12 297 16 306 66845 64079 10 311 10 297 13 288 64079 61411 10 312 14 309 20 323 61411 58673 10 316 17 297 20 299 58673 55860 10 308 21 273 18 288 55860 53186 26 305 27 301 31 317 53186 50804 27 296 33 308 34 308 50804 48673 20 293 25 299 23 287 48673 46727 16 297 19 288 19 304 46727 44934 16 310 21 311 25 318 44934 43268 23 320 27 313 26 315 43268 41706 26 321 24 311 23 306 41706 40233 27 316 20 306 19 306 40233 38836 25 308 17 315 23 335 38836 37478 21 301 21 336 35 341 37478 36094 18 319 25 342 33 333 36094 34650 26 341 21 336 25 321 34650 33148 32 340 16 323 16 306 33148 31572 23 331 15 312 14 297 31572 29909 21 314 19 315 11 286 29909 28163 19 312 19 316 11 274 28163 26336 12 289 15 290 15 268 26336 24432 13 273 16 282 18 263 24432 22454 10 274 14 276 19 259 22454 20395 12 287 15 282 20 277 20395 18250 18 289 18 293 19 298 18250 16063 20 293 18 301 18 309 16063 13962 28 297 19 305 22 313 13962 12059 29 297 19 307 23 305 12059 10372 27 298 17 308 18 289 10372 8877 23 304 16 310 14 288 8877 7549 22 314 16 316 11 301 7549 6373 19 319 13 316 10 326 6373 5335 16 325 10 308 11 350 5335 4422 12 329 9 318 11 007 4422 3617 11*331 9 334 13 015 3617 2900 10*331 10 347 14 009 2900 2266 10 332 10 353 14 003 2266 1737 10 331 10 355 13 359 1737 1332 9 331 10 356 12 356 1332 1052 9 331 10 357 10 353 1052 883 8 331 9*358 8 351 883 786 7 332 7*358 4*349 786 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