DrJack's BLIPSPOT for: SUN 09/13 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 - - - - - - - - - 0959z - - 1333z Update Time FCST PERIOD - - - - - - - - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - - - - 82.4 - - 77.0 Temp@2m Sfc.Heating - - - - - - - - - 42 - - -7 Sfc.Heating BL Depth - - - - - - - - - 78 - - 78 BL Depth Hcrit - - - - - - - - - 770 - - 770 Hcrit BL Top - - - - - - - - - 787 - - 787 BL Top Hgt.Variab. - - - - - - - - - 5562 - - 3988 Hgt.Variab. W* - - - - - - - - - 65 - - 11 W* B/S - - - - - - - - - 3 - - 1 B/S BL Wind - - - - - - - - - 5 - - 3 BL Wind Direction - - - - - - - - - 299 - - 265 Direction Wind Shear - - - - - - - - - 0 - - 0 Wind Shear Max.Converg - - - - - - - - - 1 - - 0 Max.Converg CLOUDpotent - - - - - - - - - -2666 - - -1319 CLOUDpotentl sfcLCL - - - - - - - - - 3453 - - 2106 sfcLCL ODpotential - - - - - - - - - -3069 - - -3014 ODpotential blCL - - - - - - - - - 3856 - - 3801 blCL maxRH - - - - - - - - - 92 - - 85 maxRH CAPE - - - - - - - - - 1320 - - 1240 CAPE Temp@2m - - - - - - - - - 82.4 - - 77.0 Temp@2m DewPt@2m - - - - - - - - - 69.5 - - 70.0 DewPt@2m Temp@Bot - - - - - - - - - 81.7 - - 78.6 Temp@Bot DewPt@Bot - - - - - - - - - 68.7 - - 69.6 DewPt@bot Sfc.Heating - - - - - - - - - 42 - - -7 Sfc.Heating BL Depth - - - - - - - - - 78 - - 78 BL Depth EXPERIMENT - - - - - - - - - 69 - - 41 EXPERIMENT EXPERIMENT2 - - - - - - - - - 16 - - 16 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] 98815 9 092 11 070 98815 91471 9 086 9 070 91471 85772 6 049 5 050 85772 81007 4 043 4 047 81007 76885 5 257 6 012 76885 73241 10 234 8 302 73241 69948 9 225 8 266 69948 66914 6 217 10 214 66914 64103 11 234 16 238 64103 61391 17 237 23 228 61391 58575 26 257 29 258 58575 55696 43 248 43 256 55696 52980 46 240 47 259 52980 50559 45 250 57 266 50559 48423 53 260 57 257 48423 46493 55 254 52 248 46493 44710 47 253 52 254 44710 43045 47 257 53 258 43045 41480 48 263 56 259 41480 40004 49 266 59 261 40004 38605 50 269 61 263 38605 37247 49 270 63 264 37247 35860 47 268 60 263 35860 34417 44 262 55 261 34417 32921 42 252 49 260 32921 31360 43 251 45 266 31360 29719 45 258 42 262 29719 27995 44 262 46 260 27995 26186 40 261 48 270 26186 24299 36 265 39 273 24299 22343 33 273 35 272 22343 20309 30 275 32 280 20309 18191 28 273 26 276 18191 16038 23 279 24 278 16038 13970 19 293 21 291 13970 12091 17 317 16 301 12091 10416 15 327 12 303 10416 8924 11 313 13 283 8924 7599 12 295 14 270 7599 6423 12 288 13 281 6423 5384 12 289 15 294 5384 4468 11 290 16 296 4468 3659 10 293 15 294 3659 2932 9 295 14 291 2932 2290 8 297 13 290 2290 1753 7 298 11 288 1753 1341 6 299 10 287 1341 1057 6 300 8 284 1057 885 6*300 6*276 885 787 5*299 3*265 787 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