DrJack's BLIPSPOT for: TUE 04/28 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 - - - 0653z - - 0955z - - 1000z - - 1333z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 56.6 - - 60.5 - - 64.1 - - 66.6 Temp@2m Sfc.Heating - - - 10 - - 139 - - 84 - - -10 Sfc.Heating BL Depth - - - 76 - - 2172 - - 1891 - - 77 BL Depth Hcrit - - - 768 - - 1713 - - 1047 - - 769 Hcrit BL Top - - - 785 - - 2881 - - 2600 - - 786 BL Top Hgt.Variab. - - - 2655 - - 1101 - - 1048 - - 3764 Hgt.Variab. W* - - - 40 - - 278 - - 226 - - 15 W* B/S - - - 1 - - 2 - - 3 - - 1 B/S BL Wind - - - 9 - - 21 - - 12 - - 4 BL Wind Direction - - - 173 - - 187 - - 186 - - 137 Direction Wind Shear - - - 0 - - 12 - - 6 - - 0 Wind Shear Max.Converg - - - -3 - - -6 - - -3 - - -1 Max.Converg CLOUDpotent - - - -2701 - - -134 - - -526 - - -3030 CLOUDpotentl sfcLCL - - - 3486 - - 3015 - - 3126 - - 3816 sfcLCL ODpotential - - - -9413 - - -4644 - - -3170 - - -4474 ODpotential blCL - - - 10198 - - 7525 - - 5770 - - 5260 blCL maxRH - - - 100 - - 99 - - 100 - - 100 maxRH CAPE - - - 30 - - 0 - - 10 - - 50 CAPE Temp@2m - - - 56.6 - - 60.5 - - 64.1 - - 66.6 Temp@2m DewPt@2m - - - 44.2 - - 50.1 - - 53.1 - - 52.7 DewPt@2m Temp@Bot - - - 56.4 - - 59.4 - - 63.2 - - 67.2 Temp@Bot DewPt@Bot - - - 43.9 - - 49.3 - - 52.5 - - 52.4 DewPt@bot Sfc.Heating - - - 10 - - 139 - - 84 - - -10 Sfc.Heating BL Depth - - - 76 - - 2172 - - 1891 - - 77 BL Depth EXPERIMENT - - - 101 - - 97 - - 99 - - 101 EXPERIMENT EXPERIMENT2 - - - 6 - - 7 - - 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] 97576 26 257 24 258 31 270 32 274 97576 90180 20 260 19 265 24 259 27 282 90180 84497 11 255 14 240 21 284 9 284 84497 79801 8 261 6 235 18 270 9 316 79801 75794 2 277 3 336 9 235 9 303 75794 72264 7 022 6 343 3 131 6 267 72264 69057 10 348 12 312 7 004 3 350 69057 66095 13 317 14 297 12 321 11 326 66095 63353 13 314 14 313 14 330 15 313 63353 60706 21 316 19 310 20 329 19 315 60706 57945 27 296 21 301 23 309 24 316 57945 55051 28 286 21 301 36 301 26 309 55051 52271 31 289 44 275 49 268 53 264 52271 49777 43 285 33 265 43 245 48 247 49777 47531 25 285 25 272 30 258 36 250 47531 45472 13 271 39 284 41 277 34 265 45472 43586 40 306 54 277 64 276 61 271 43586 41863 63 278 70 265 78 260 80 258 41863 40278 57 253 83 256 78 253 83 250 40278 38798 54 243 67 245 85 248 82 255 38798 37414 52 250 59 244 86 245 85 262 37414 36090 54 259 65 249 82 246 87 267 36090 34753 55 256 71 249 76 247 87 270 34753 33371 51 250 71 248 71 246 76 269 33371 31942 47 247 70 248 69 247 55 262 31942 30452 42 246 64 245 66 252 48 263 30452 28885 36 246 60 243 58 258 48 269 28885 27236 33 256 53 252 47 261 47 272 27236 25504 37 276 44 264 41 263 45 272 25504 23689 36 285 38 265 40 262 44 275 23689 21797 33 282 36 267 40 264 39 282 21797 19820 39 281 36 273 35 270 27 290 19820 17755 46 281 32 279 28 272 20 281 17755 15644 40 280 27 273 24 260 27 277 15644 13611 34 275 27 265 21 254 37 290 13611 11766 29 270 27 264 22 272 36 294 11766 10131 28 261 27 267 29 281 30 286 10131 8684 29 254 29 271 35 280 29 282 8684 7400 30 247 32 273 34 281 22 290 7400 6258 34 233 30 266 30 283 18 295 6258 5247 36 213 28 244 23 282 12 295 5247 4355 35 205 28 219 15 265 6 267 4355 3567 31 199 26*202 13 230 6 206 3567 2863 26 191 23*191 13*193 9 179 2863 2240 23 183 22 188 13*190 10 168 2240 1721 21 180 22 187 13 187 11 160 1721 1322 19 178 21 185 12 185 11 154 1322 1048 17 176 19 185 11 184 9 148 1048 881 14*175 16 184 10 183 7*143 881 786 9*173 12 183 8 182 4*137 786 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