DrJack's BLIPSPOT for: SAT 05/30 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 - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 66.5 - - 66.8 - - 61.2 Temp@2m Sfc.Heating - - - - - - 273 - - 135 - - -31 Sfc.Heating BL Depth - - - - - - 4309 - - 4772 - - 76 BL Depth Hcrit - - - - - - 3597 - - 3600 - - 769 Hcrit BL Top - - - - - - 5018 - - 5481 - - 785 BL Top Hgt.Variab. - - - - - - 1209 - - 1418 - - 5151 Hgt.Variab. W* - - - - - - 440 - - 364 - - 29 W* B/S - - - - - - 5 - - 4 - - 1 B/S BL Wind - - - - - - 17 - - 17 - - 6 BL Wind Direction - - - - - - 355 - - 356 - - 014 Direction Wind Shear - - - - - - 7 - - 7 - - 0 Wind Shear Max.Converg - - - - - - 5 - - 5 - - 2 Max.Converg CLOUDpotent - - - - - - -844 - - -238 - - -3239 CLOUDpotentl sfcLCL - - - - - - 5863 - - 5719 - - 4024 sfcLCL ODpotential - - - - - - -7361 - - -5902 - - -4192 ODpotential blCL - - - - - - 12379 - - 11383 - - 4977 blCL maxRH - - - - - - 68 - - 79 - - 76 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 66.5 - - 66.8 - - 61.2 Temp@2m DewPt@2m - - - - - - 43.6 - - 44.5 - - 46.5 DewPt@2m Temp@Bot - - - - - - 64.7 - - 65.6 - - 62.1 Temp@Bot DewPt@Bot - - - - - - 42.3 - - 43.3 - - 45.6 DewPt@bot Sfc.Heating - - - - - - 273 - - 135 - - -31 Sfc.Heating BL Depth - - - - - - 4309 - - 4772 - - 76 BL Depth EXPERIMENT - - - - - - 0 - - 14 - - 2 EXPERIMENT EXPERIMENT2 - - - - - - 5 - - 6 - - 7 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] 98467 22 117 10 152 6 019 98467 91008 10 098 6 084 3 062 91008 85262 12 094 12 063 8 074 85262 80490 12 094 12 081 9 096 80490 76359 16 084 12 092 8 085 76359 72691 8 083 10 059 4 044 72691 69380 12 083 4 086 3 329 69380 66347 14 005 8 008 9 006 66347 63544 6 289 5 280 8 333 63544 60831 17 319 14 344 19 350 60831 58005 25 305 29 315 30 329 58005 55097 26 292 32 307 35 316 55097 52340 31 303 37 305 36 306 52340 49864 41 312 44 308 42 306 49864 47652 53 308 52 309 47 307 47652 45653 60 299 60 304 54 309 45653 43827 66 296 66 302 63 307 43827 42146 74 296 77 301 74 304 42146 40588 84 294 88 299 80 303 40588 39127 88 291 94 297 85 304 39127 37747 87 290 95 297 89 304 37747 36408 82 291 91 298 89 303 36408 35045 75 290 87 298 84 301 35045 33635 71 293 82 298 79 303 33635 32178 70 298 77 301 75 305 32178 30654 69 303 75 304 72 306 30654 29047 69 306 73 305 70 307 29047 27358 67 308 69 306 66 308 27358 25586 66 308 66 310 63 309 25586 23730 67 306 64 311 62 312 23730 21793 68 308 63 312 62 315 21793 19776 62 310 59 316 55 319 19776 17689 51 312 48 319 41 321 17689 15572 45 318 41 319 34 322 15572 13536 42 324 38 323 32 323 13536 11686 38 328 34 329 29 327 11686 10047 34 327 28 331 23 336 10047 8598 28 326 22 333 18 344 8598 7315 24 334 18 336 18 340 7315 6184 20 343 17*345 17 349 6184 5187 17*349 17*348 17 005 5187 4309 17*351 17 353 17 012 4309 3533 17 353 17 355 18 014 3533 2837 17 354 18 357 18 015 2837 2222 17 356 17 358 18 015 2222 1709 17 356 17 359 17 015 1709 1315 16 357 17 359 16 015 1315 1044 15 357 16 360 13 015 1044 879 14 358 14 360 11 015 879 785 11 358 10 000 6*014 785 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