DrJack's BLIPSPOT for: WED 08/19 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 - - - - - - 83.8 - - 86.3 - - 78.5 Temp@2m Sfc.Heating - - - - - - 195 - - 68 - - -17 Sfc.Heating BL Depth - - - - - - 5125 - - 78 - - 78 BL Depth Hcrit - - - - - - 4072 - - 770 - - 770 Hcrit BL Top - - - - - - 5834 - - 787 - - 787 BL Top Hgt.Variab. - - - - - - 1688 - - 8398 - - 4818 Hgt.Variab. W* - - - - - - 420 - - 76 - - 18 W* B/S - - - - - - 10 - - 3 - - 1 B/S BL Wind - - - - - - 8 - - 4 - - 4 BL Wind Direction - - - - - - 281 - - 256 - - 308 Direction Wind Shear - - - - - - 5 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 4 - - 0 - - 1 Max.Converg CLOUDpotent - - - - - - -376 - - -5997 - - -3038 CLOUDpotentl sfcLCL - - - - - - 6210 - - 6785 - - 3825 sfcLCL ODpotential - - - - - - -2715 - - -6443 - - -4851 ODpotential blCL - - - - - - 8549 - - 7230 - - 5638 blCL maxRH - - - - - - 75 - - 81 - - 78 maxRH CAPE - - - - - - 0 - - 50 - - 100 CAPE Temp@2m - - - - - - 83.8 - - 86.3 - - 78.5 Temp@2m DewPt@2m - - - - - - 59.2 - - 59.2 - - 64.4 DewPt@2m Temp@Bot - - - - - - 82.1 - - 85.4 - - 80.0 Temp@Bot DewPt@Bot - - - - - - 58.1 - - 58.1 - - 63.7 DewPt@bot Sfc.Heating - - - - - - 195 - - 68 - - -17 Sfc.Heating BL Depth - - - - - - 5125 - - 78 - - 78 BL Depth EXPERIMENT - - - - - - 0 - - 25 - - 14 EXPERIMENT EXPERIMENT2 - - - - - - 10 - - 11 - - 13 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] 99352 20 093 19 081 18 058 99352 91884 18 089 16 071 19 077 91884 86109 14 082 19 089 15 074 86109 81296 14 095 18 097 14 087 81296 77141 18 117 12 098 14 094 77141 73481 15 130 7 107 10 088 73481 70174 10 143 7 144 4 125 70174 67133 12 161 9 188 5 168 67133 64309 8 189 12 197 5 251 64309 61585 13 189 15 222 13 234 61585 58768 13 244 15 238 17 236 58768 55869 26 249 28 253 27 249 55869 53127 42 238 42 251 38 254 53127 50692 57 232 58 241 60 241 50692 48542 60 240 67 231 63 237 48542 46598 65 250 64 234 60 242 46598 44811 67 250 64 245 61 245 44811 43149 66 248 65 248 56 244 43149 41591 63 247 65 246 54 250 41591 40118 60 251 60 247 58 251 40118 38720 56 254 56 252 55 245 38720 37361 56 253 55 250 49 241 37361 35976 54 250 53 242 46 243 35976 34531 50 246 51 232 45 249 34531 33030 45 245 51 230 45 255 33030 31457 46 258 48 229 46 253 31457 29802 55 274 44 238 52 246 29802 28065 43 263 50 259 53 243 28065 26245 43 244 45 263 51 248 26245 24346 43 240 41 246 44 245 24346 22369 39 245 43 247 41 241 22369 20308 41 256 38 255 44 255 20308 18171 38 263 33 271 43 268 18171 16007 31 263 32 272 37 273 16007 13929 30 261 30 269 30 271 13929 12044 27 266 28 278 24 274 12044 10374 23 279 22 290 18 282 10374 8894 19 286 15 285 14 274 8894 7578 15 283 11 271 11 252 7578 6409 11*279 10 267 9 247 6409 5374 10*279 9 265 8 260 5374 4460 9 280 8 263 8 278 4460 3651 9 281 7 261 9 290 3651 2927 8 282 7 259 10 297 2927 2286 7 282 6 257 11 302 2286 1751 7 283 6 257 11 305 1751 1339 6 283 5 256 10 307 1339 1056 6 283 5 256 9 309 1056 885 6 283 5*256 7*309 885 787 5 284 4*256 4*308 787 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