DrJack's BLIPSPOT for: THU 09/10 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 - - - - - - 82.8 - - 84.4 - - 76.5 Temp@2m Sfc.Heating - - - - - - 134 - - 30 - - -5 Sfc.Heating BL Depth - - - - - - 2919 - - 78 - - 77 BL Depth Hcrit - - - - - - 2249 - - 771 - - 770 Hcrit BL Top - - - - - - 3628 - - 787 - - 786 BL Top Hgt.Variab. - - - - - - 2396 - - 5527 - - 3683 Hgt.Variab. W* - - - - - - 308 - - 61 - - 12 W* B/S - - - - - - 6 - - 1 - - 1 B/S BL Wind - - - - - - 10 - - 8 - - 3 BL Wind Direction - - - - - - 278 - - 289 - - 280 Direction Wind Shear - - - - - - 6 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 2 - - 2 - - 0 Max.Converg CLOUDpotent - - - - - - 193 - - -3277 - - -1253 CLOUDpotentl sfcLCL - - - - - - 3435 - - 4064 - - 2039 sfcLCL ODpotential - - - - - - -417 - - -3987 - - -2587 ODpotential blCL - - - - - - 4045 - - 4774 - - 3373 blCL maxRH - - - - - - 89 - - 81 - - 90 maxRH CAPE - - - - - - 910 - - 1050 - - 620 CAPE Temp@2m - - - - - - 82.8 - - 84.4 - - 76.5 Temp@2m DewPt@2m - - - - - - 70.0 - - 68.9 - - 69.9 DewPt@2m Temp@Bot - - - - - - 81.4 - - 83.8 - - 77.6 Temp@Bot DewPt@Bot - - - - - - 69.2 - - 68.2 - - 69.5 DewPt@bot Sfc.Heating - - - - - - 134 - - 30 - - -5 Sfc.Heating BL Depth - - - - - - 2919 - - 78 - - 77 BL Depth EXPERIMENT - - - - - - 56 - - 23 - - 59 EXPERIMENT EXPERIMENT2 - - - - - - 15 - - 15 - - 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] 98826 6 127 7 297 10 011 98826 91416 9 090 0 307 7 062 91416 85673 8 088 8 120 4 041 85673 80885 7 104 7 092 3 015 80885 76753 0 054 3 054 1 100 76753 73125 3 275 4 169 4 241 73125 69872 5 233 9 250 8 245 69872 66895 6 241 14 260 8 291 66895 64129 9 290 12 232 15 307 64129 61432 13 251 15 237 18 270 61432 58637 21 217 22 245 21 237 58637 55801 29 238 30 259 32 240 55801 53143 35 241 38 243 42 240 53143 50762 39 232 46 227 50 237 50762 48627 42 233 53 227 58 230 48627 46685 47 231 57 229 61 230 46685 44894 52 225 59 227 61 229 44894 43222 55 230 59 224 59 226 43222 41652 52 237 58 227 58 223 41652 40170 49 238 54 229 58 225 40170 38767 49 241 53 230 56 231 38767 37404 46 243 55 233 55 231 37404 36012 42 242 52 235 56 231 36012 34562 41 245 46 240 55 237 34562 33058 41 252 43 243 55 242 33058 31484 42 258 43 244 54 248 31484 29827 45 260 40 249 51 251 29827 28088 49 260 44 259 52 251 28088 26268 47 251 48 259 55 252 26268 24370 44 240 46 253 56 261 24370 22396 44 240 46 251 50 257 22396 20342 44 248 48 265 40 250 20342 18208 38 250 47 266 40 253 18208 16039 35 254 40 255 40 266 16039 13956 33 264 27 248 36 270 13956 12067 23 285 15 264 26 261 12067 10392 17 294 17 283 19 247 10392 8906 17 281 19 290 17 245 8906 7584 17 270 20 290 15 266 7584 6409 16 269 18 285 13 285 6409 5370 17 275 16 283 14 295 5370 4455 16 276 15 284 16 303 4455 3647 15*276 15 285 16 307 3647 2924 12*276 14 286 15 306 2924 2284 11 277 14 287 14 303 2284 1749 10 278 13 288 13 302 1749 1339 9 279 12 289 11 300 1339 1056 9 280 12 289 8 296 1056 885 8 279 10 289 6 291 885 786 6 279 8*289 3*280 786 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