DrJack's BLIPSPOT for: THU 03/26 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 - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 78.8 - - 79.0 - - 71.8 Temp@2m Sfc.Heating - - - - - - 172 - - 73 - - -44 Sfc.Heating BL Depth - - - - - - 5970 - - 77 - - 77 BL Depth Hcrit - - - - - - 4613 - - 770 - - 770 Hcrit BL Top - - - - - - 6679 - - 786 - - 786 BL Top Hgt.Variab. - - - - - - 3064 - - 8589 - - 491 Hgt.Variab. W* - - - - - - 417 - - 75 - - 17 W* B/S - - - - - - 4 - - 1 - - 0 B/S BL Wind - - - - - - 18 - - 13 - - 6 BL Wind Direction - - - - - - 240 - - 229 - - 191 Direction Wind Shear - - - - - - 12 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 14 - - -2 - - -2 Max.Converg CLOUDpotent - - - - - - -183 - - -6049 - - -4271 CLOUDpotentl sfcLCL - - - - - - 6862 - - 6835 - - 5057 sfcLCL ODpotential - - - - - - -698 - - -6394 - - -8496 ODpotential blCL - - - - - - 7377 - - 7180 - - 9282 blCL maxRH - - - - - - 86 - - 98 - - 72 maxRH CAPE - - - - - - 300 - - 120 - - 140 CAPE Temp@2m - - - - - - 78.8 - - 79.0 - - 71.8 Temp@2m DewPt@2m - - - - - - 51.4 - - 51.6 - - 52.5 DewPt@2m Temp@Bot - - - - - - 77.5 - - 78.3 - - 74.0 Temp@Bot DewPt@Bot - - - - - - 50.6 - - 51.1 - - 52.2 DewPt@bot Sfc.Heating - - - - - - 172 - - 73 - - -44 Sfc.Heating BL Depth - - - - - - 5970 - - 77 - - 77 BL Depth EXPERIMENT - - - - - - 45 - - 92 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 8 - - 9 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] 96506 33 253 31 251 31 273 96506 89252 26 233 36 249 35 276 89252 83719 12 232 25 247 28 254 83719 79130 23 291 27 267 17 271 79130 75179 17 273 20 255 26 273 75179 71697 19 310 17 250 26 240 71697 68521 33 303 28 282 22 268 68521 65594 33 292 38 286 41 281 65594 62910 37 299 41 281 46 287 62910 60336 45 304 49 282 46 286 60336 57652 52 303 52 282 44 277 57652 54842 57 297 54 288 49 284 54842 52138 55 293 57 292 57 287 52138 49688 57 298 65 299 63 290 49688 47472 68 309 70 298 68 294 47472 45449 85 310 74 298 72 296 45449 43602 94 306 77 298 73 297 43602 41922 93 303 81 298 73 297 41922 40381 90 302 83 298 73 293 40381 38948 88 304 81 297 71 293 38948 37595 88 305 76 297 70 294 37595 36283 87 304 70 296 70 294 36283 34945 84 304 65 294 68 294 34945 33552 78 302 63 291 65 294 33552 32109 71 300 62 288 63 294 32109 30598 67 299 59 287 61 293 30598 29008 63 296 57 287 61 294 29008 27341 58 295 54 288 65 294 27341 25598 54 295 53 290 68 293 25598 23779 54 288 52 293 64 296 23779 21886 56 282 50 295 54 301 21886 19915 49 282 52 297 46 300 19915 17860 32 271 52 299 45 294 17860 15765 27 253 41 298 48 294 15765 13744 29 256 34 287 40 288 13744 11902 31 259 37 276 34 277 11902 10258 29 260 40 267 36 273 10258 8794 27 258 36 257 40 272 8794 7491 24*254 31 245 41 264 7491 6334 21*249 28 237 40 252 6334 5310 20 247 27 235 39 239 5310 4408 19 242 27 234 37 230 4408 3611 18 239 26 233 36 227 3611 2896 17 237 25 232 34 223 2896 2264 17 236 25 231 31 220 2264 1736 16 234 24 231 27 215 1736 1331 15 233 23 230 23 211 1331 1052 14 233 21 230 16 204 1052 883 13 232 18 230 13 199 883 786 10 232 13*229 6*191 786 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