DrJack's BLIPSPOT for: THU 11/27 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 - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 39.5 - - 36.9 - - 34.4 Temp@2m Sfc.Heating - - - - - - 218 - - 43 - - -10 Sfc.Heating BL Depth - - - - - - 3963 - - 74 - - 74 BL Depth Hcrit - - - - - - 3194 - - 767 - - 767 Hcrit BL Top - - - - - - 4672 - - 783 - - 783 BL Top Hgt.Variab. - - - - - - 1111 - - 4954 - - 5613 Hgt.Variab. W* - - - - - - 385 - - 60 - - 9 W* B/S - - - - - - 4 - - 1 - - 0 B/S BL Wind - - - - - - 19 - - 11 - - 8 BL Wind Direction - - - - - - 282 - - 284 - - 277 Direction Wind Shear - - - - - - 8 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 5 - - 3 - - 2 Max.Converg CLOUDpotent - - - - - - -331 - - -3585 - - -3650 CLOUDpotentl sfcLCL - - - - - - 5003 - - 4368 - - 4434 sfcLCL ODpotential - - - - - - -6514 - - -3591 - - -3916 ODpotential blCL - - - - - - 11186 - - 4374 - - 4699 blCL maxRH - - - - - - 89 - - 97 - - 92 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 39.5 - - 36.9 - - 34.4 Temp@2m DewPt@2m - - - - - - 20.3 - - 20.7 - - 17.9 DewPt@2m Temp@Bot - - - - - - 38.1 - - 36.3 - - 34.4 Temp@Bot DewPt@Bot - - - - - - 20.0 - - 20.6 - - 17.8 DewPt@bot Sfc.Heating - - - - - - 218 - - 43 - - -10 Sfc.Heating BL Depth - - - - - - 3963 - - 74 - - 74 BL Depth EXPERIMENT - - - - - - 55 - - 89 - - 70 EXPERIMENT EXPERIMENT2 - - - - - - 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] 95729 11 322 4 321 13 295 95729 88741 9 333 9 327 7 303 88741 83315 3 342 7 279 4 288 83315 78785 6 198 10 271 6 285 78785 74848 7 183 13 223 10 296 74848 71333 10 219 13 225 15 262 71333 68143 12 225 12 226 14 210 68143 65188 24 250 19 255 17 235 65188 62413 37 236 36 241 29 243 62413 59707 40 224 41 230 44 235 59707 56879 49 238 45 229 48 231 56879 53940 63 232 53 236 50 236 53940 51130 71 233 62 235 57 236 51130 48595 75 229 64 230 63 232 48595 46318 76 227 71 228 64 231 46318 44248 83 228 77 227 64 232 44248 42349 88 227 76 228 66 232 42349 40599 88 224 78 229 68 231 40599 38975 86 223 82 224 69 231 38975 37463 88 223 80 220 70 231 37463 36049 98 227 77 221 72 231 36049 34695 117 226 82 225 74 230 34695 33335 126 222 91 226 75 227 33335 31935 124 218 91 224 74 224 31935 30496 117 217 87 223 71 225 30496 29002 112 218 82 223 68 227 29002 27446 97 221 76 223 66 231 27446 25828 87 220 72 220 61 236 25828 24145 79 220 67 221 56 242 24145 22399 67 223 62 225 55 245 22399 20586 63 228 59 229 56 243 20586 18696 63 230 56 233 53 240 18696 16729 57 233 49 237 48 238 16729 14727 50 239 39 244 42 240 14727 12796 46 242 36 249 38 248 12796 11042 41 247 33 251 35 257 11042 9490 38 254 31 259 33 266 9490 8121 35 263 32 270 31 275 8121 6917 31 271 31 275 31 284 6917 5858 25 273 28 276 33 288 5858 4923 20*276 26 278 32 288 4923 4097 20*278 25 279 31 287 4097 3367 20 280 24 280 29 286 3367 2713 19 282 23 281 27 284 2713 2135 19 282 22 282 24 283 2135 1652 19 284 21 283 21 281 1652 1281 18 284 20 284 18 280 1281 1026 17 284 18 284 15 279 1026 872 15 285 15*284 13 278 872 783 11 285 11*284 8*277 783 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