DrJack's BLIPSPOT for: TUE 04/29 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 - - - 78.6 - - 85.8 - - 87.0 - - 76.5 Temp@2m Sfc.Heating - - - 226 - - 294 - - 69 - - -4 Sfc.Heating BL Depth - - - 2275 - - 6658 - - 78 - - 77 BL Depth Hcrit - - - 1984 - - 5437 - - 770 - - 770 Hcrit BL Top - - - 2984 - - 7367 - - 787 - - 786 BL Top Hgt.Variab. - - - 2189 - - 3243 - - 11244 - - 1836 Hgt.Variab. W* - - - 328 - - 513 - - 74 - - 18 W* B/S - - - 5 - - 6 - - 2 - - 1 B/S BL Wind - - - 12 - - 14 - - 8 - - 2 BL Wind Direction - - - 228 - - 221 - - 242 - - 138 Direction Wind Shear - - - 8 - - 13 - - 0 - - 0 Wind Shear Max.Converg - - - 4 - - 4 - - 1 - - -1 Max.Converg CLOUDpotent - - - -4691 - - -1714 - - -7896 - - -3312 CLOUDpotentl sfcLCL - - - 7675 - - 9081 - - 8683 - - 4098 sfcLCL ODpotential - - - -6637 - - -2511 - - -8100 - - -5764 ODpotential blCL - - - 9621 - - 9878 - - 8887 - - 6550 blCL maxRH - - - 66 - - 77 - - 88 - - 88 maxRH CAPE - - - 0 - - 10 - - 140 - - 750 CAPE Temp@2m - - - 78.6 - - 85.8 - - 87.0 - - 76.5 Temp@2m DewPt@2m - - - 47.9 - - 48.6 - - 51.6 - - 61.3 DewPt@2m Temp@Bot - - - 76.8 - - 83.8 - - 86.0 - - 78.2 Temp@Bot DewPt@Bot - - - 47.1 - - 47.7 - - 50.9 - - 60.0 DewPt@bot Sfc.Heating - - - 226 - - 294 - - 69 - - -4 Sfc.Heating BL Depth - - - 2275 - - 6658 - - 78 - - 77 BL Depth EXPERIMENT - - - 0 - - 9 - - 51 - - 51 EXPERIMENT EXPERIMENT2 - - - 7 - - 7 - - 8 - - 12 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] 97716 11 201 3 017 13 270 12 314 97716 90338 9 058 7 256 9 287 3 022 90338 84656 15 051 8 194 6 316 10 012 84656 79947 12 074 5 154 4 302 11 348 79947 75887 10 048 6 082 1 285 9 307 75887 72298 14 360 9 038 3 106 3 275 72298 69059 17 333 12 345 7 009 7 003 69059 66090 15 329 15 343 11 337 16 331 66090 63346 21 342 21 347 15 342 21 321 63346 60689 31 330 23 326 20 326 24 312 60689 57907 34 305 27 321 23 321 17 305 57907 55000 23 301 30 305 27 315 21 314 55000 52228 25 311 30 295 32 294 29 282 52228 49763 31 307 28 290 31 278 31 273 49763 47583 28 308 22 278 28 283 31 274 47583 45638 30 305 27 288 29 291 24 271 45638 43886 33 306 30 298 27 285 17 265 43886 42272 35 316 27 302 25 274 31 276 42272 40760 33 325 23 303 26 269 37 274 40760 39332 32 324 24 306 26 267 36 268 39332 37976 29 316 24 300 25 266 28 263 37976 36659 27 307 23 292 26 265 21 272 36659 35319 28 302 22 290 27 266 20 270 35319 33921 30 297 21 287 25 269 20 269 33921 32468 30 296 20 291 17 284 22 272 32468 30945 29 300 24 297 16 304 25 273 30945 29340 27 308 32 300 24 299 24 274 29340 27653 24 312 35 300 28 284 29 271 27653 25885 20 292 29 292 31 273 32 264 25885 24037 19 279 20 267 32 260 33 256 24037 22112 19 273 22 264 30 253 35 255 22112 20106 12 274 23 262 30 255 37 260 20106 18019 11 282 21 255 29 259 35 262 18019 15894 17 296 19 260 29 266 32 268 15894 13850 20 293 18 267 29 268 33 272 13850 11992 19 268 20 263 25 260 32 265 11992 10341 20 240 24 260 21 252 26 249 10341 8872 17 233 23 258 19 250 23 243 8872 7563 16 241 20*251 18 250 21 247 7563 6396 17 255 18*245 17 249 19 255 6396 5361 21 263 17 236 16 248 19 262 5361 4448 21 263 15 223 15 247 18 269 4448 3640 18*257 15 216 15 245 17 274 3640 2918 15*245 14 212 14 244 16 276 2918 2279 12 227 14 209 13 243 14 277 2279 1745 12 225 13 207 13 243 11 275 1745 1336 11 224 13 205 12 242 8 270 1336 1055 11 223 12 204 12 242 5 255 1055 884 10 222 11 204 10*242 2 213 884 786 8 223 9 204 8*242 2*138 786 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