DrJack's BLIPSPOT for: FRI 11/28 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 - - - 0653z - - 0955z - - 1000z - - 1333z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 34.0 - - 36.0 - - 35.5 - - 32.5 Temp@2m Sfc.Heating - - - 146 - - 136 - - 27 - - -15 Sfc.Heating BL Depth - - - 3712 - - 74 - - 74 - - 74 BL Depth Hcrit - - - 2805 - - 767 - - 767 - - 767 Hcrit BL Top - - - 4421 - - 783 - - 783 - - 783 BL Top Hgt.Variab. - - - 2621 - - 7623 - - 7525 - - 6518 Hgt.Variab. W* - - - 331 - - 87 - - 51 - - 15 W* B/S - - - 2 - - 1 - - 1 - - 0 B/S BL Wind - - - 28 - - 13 - - 11 - - 8 BL Wind Direction - - - 290 - - 286 - - 284 - - 282 Direction Wind Shear - - - 16 - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - 8 - - 3 - - 2 - - 2 Max.Converg CLOUDpotent - - - -819 - - -4674 - - -3850 - - -3562 CLOUDpotentl sfcLCL - - - 5241 - - 5457 - - 4634 - - 4346 sfcLCL ODpotential - - - -1605 - - -4708 - - -3977 - - -3901 ODpotential blCL - - - 6026 - - 5491 - - 4760 - - 4684 blCL maxRH - - - 74 - - 99 - - 97 - - 89 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 34.0 - - 36.0 - - 35.5 - - 32.5 Temp@2m DewPt@2m - - - 13.8 - - 14.9 - - 18.2 - - 16.6 DewPt@2m Temp@Bot - - - 33.1 - - 35.0 - - 35.0 - - 32.8 Temp@Bot DewPt@Bot - - - 13.3 - - 14.6 - - 18.1 - - 16.5 DewPt@bot Sfc.Heating - - - 146 - - 136 - - 27 - - -15 Sfc.Heating BL Depth - - - 3712 - - 74 - - 74 - - 74 BL Depth EXPERIMENT - - - 0 - - 97 - - 88 - - 58 EXPERIMENT EXPERIMENT2 - - - 2 - - 2 - - 2 - - 2 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] 95775 7 334 6 313 12 305 9 264 95775 88763 6 014 2 257 13 295 11 302 88763 83331 2 212 4 241 10 288 15 299 83331 78783 7 231 6 235 13 252 17 265 78783 74833 5 259 4 150 8 237 16 285 74833 71323 12 264 21 249 21 249 20 257 71323 68126 19 231 20 217 20 210 12 207 68126 65126 21 181 9 250 19 282 8 230 65126 62311 33 281 41 262 45 263 39 263 62311 59607 49 246 53 244 51 255 46 262 59607 56796 45 230 40 237 46 249 47 254 56796 53865 37 233 35 240 42 243 48 252 53865 51053 40 252 42 252 44 248 52 255 51053 48526 49 261 55 263 55 258 56 257 48526 46274 61 264 69 269 64 264 61 261 46274 44240 73 264 80 268 72 269 68 266 44240 42388 81 262 86 266 83 267 77 269 42388 40689 85 260 90 266 91 263 84 268 40689 39116 87 261 95 266 92 261 90 265 39116 37649 90 262 98 265 90 262 91 262 37649 36274 92 264 101 265 89 264 88 263 36274 34950 97 267 103 267 90 267 86 267 34950 33610 101 267 105 270 92 267 88 271 33610 32226 99 267 108 273 92 268 90 274 32226 30803 94 270 112 275 91 269 88 274 30803 29324 93 273 115 276 91 269 87 272 29324 27773 89 273 113 276 89 268 84 271 27773 26145 80 272 110 278 89 270 79 271 26145 24436 66 272 106 280 88 275 75 271 24436 22648 52 274 89 278 87 278 73 272 22648 20782 41 281 64 272 88 283 71 274 20782 18831 37 282 44 261 83 285 71 277 18831 16794 35 280 34 255 66 281 68 282 16794 14732 34 282 33 262 49 280 59 286 14732 12773 34 286 33 275 39 284 47 291 12773 11013 32 290 33 286 34 290 39 297 11013 9462 28 298 31 294 31 290 35 299 9462 8102 29 308 28 295 31 289 34 298 8102 6909 33 308 29 295 31 289 33 297 6909 5853 34 302 29 294 31 289 33 296 5853 4918 31*292 27 288 30 289 32 296 4918 4092 30*291 27 287 30 289 31 295 4092 3362 30 290 26 287 27 287 29 293 3362 2709 30 290 26 287 25 287 26 291 2709 2132 29 289 25 286 24 286 23 290 2132 1650 27 289 24 286 22 286 21 288 1650 1280 26 289 23 287 21 285 18 286 1280 1025 23 289 21 286 18 285 15 285 1025 871 20 288 18 286 16 285 12 283 871 783 14 288 13*286 11*284 8*282 783 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