DrJack's BLIPSPOT for: SUN 09/20 Waynesboro_VA 1437ft pt32142@38.180,-78.911,1424ft BLIPSPOT sfc.temp. adjusted by +0.0 degF SPONSORED BY: Shenandoah Valley Soaring www.svsoar.org 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 - - - - - - 79.3 - - 76.9 - - 75.9 Temp@2m Sfc.Heating - - - - - - 3 - - -8 - - -3 Sfc.Heating BL Depth - - - - - - 1505 - - 16 - - 16 BL Depth Hcrit - - - - - - 1278 - - 1278 - - 1278 Hcrit BL Top - - - - - - 2942 - - 1295 - - 1295 BL Top Hgt.Variab. - - - - - - 3828 - - 3769 - - 965 Hgt.Variab. W* - - - - - - 140 - - 15 - - 7 W* B/S - - - - - - 3 - - 1 - - 0 B/S BL Wind - - - - - - 8 - - 3 - - 3 BL Wind Direction - - - - - - 293 - - 348 - - 087 Direction Wind Shear - - - - - - 5 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 7 - - 1 - - -2 Max.Converg CLOUDpotent - - - - - - -621 - - -1176 - - -1909 CLOUDpotentl sfcLCL - - - - - - 3563 - - 2471 - - 3204 sfcLCL ODpotential - - - - - - -2538 - - -3147 - - -4814 ODpotential blCL - - - - - - 5480 - - 4442 - - 6109 blCL maxRH - - - - - - 100 - - 100 - - 98 maxRH CAPE - - - - - - 1080 - - 1590 - - 550 CAPE Temp@2m - - - - - - 79.3 - - 76.9 - - 75.9 Temp@2m DewPt@2m - - - - - - 67.7 - - 70.0 - - 66.0 DewPt@2m Temp@Bot - - - - - - 79.6 - - 78.1 - - 78.8 Temp@Bot DewPt@Bot - - - - - - 66.3 - - 68.6 - - 64.6 DewPt@bot Sfc.Heating - - - - - - 3 - - -8 - - -3 Sfc.Heating BL Depth - - - - - - 1505 - - 16 - - 16 BL Depth EXPERIMENT - - - - - - 101 - - 100 - - 90 EXPERIMENT EXPERIMENT2 - - - - - - 14 - - 16 - - 14 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] 98237 6 212 10 275 2 295 98237 90876 9 100 6 129 3 093 90876 85211 12 089 4 131 4 014 85211 80485 6 045 1 166 9 313 80485 76405 7 268 6 248 9 274 76405 72803 12 235 10 273 7 255 72803 69553 9 236 9 286 3 311 69553 66587 7 299 8 276 6 320 66587 63853 10 320 5 253 7 260 63853 61214 6 246 11 270 10 270 61214 58469 7 233 14 277 11 269 58469 55635 17 276 16 267 13 275 55635 52950 25 269 18 259 19 258 52950 50549 25 247 25 256 25 244 50549 48401 25 236 28 256 25 247 48401 46449 20 240 26 247 22 250 46449 44654 15 253 20 242 16 238 44654 42983 17 262 21 236 18 243 42983 41414 21 249 25 239 25 244 41414 39937 24 239 33 238 32 240 39937 38542 26 232 34 237 33 246 38542 37191 26 224 37 241 38 251 37191 35816 26 223 38 240 39 247 35816 34385 26 225 33 230 35 247 34385 32904 25 223 32 219 24 238 32904 31359 20 219 29 222 19 248 31359 29736 16 217 22 229 16 253 29736 28036 15 214 17 242 16 251 28036 26260 14 219 15 252 14 249 26260 24407 14 234 16 277 12 249 24407 22483 15 241 19 276 9 264 22483 20483 17 248 23 285 8 291 20483 18404 20 263 23 285 10 313 18404 16288 21 263 19 285 13 325 16288 14254 21 267 18 292 15 331 14254 12410 18 284 21 299 16 326 12410 10774 23 292 24 294 16 314 10774 9322 28 292 26 288 20 296 9322 8029 29 291 25 288 18 285 8029 6877 26 288 23 288 18 270 6877 5853 18 281 20 282 17 257 5853 4947 14 276 15 270 15 249 4947 4145 12 277 11 262 13 248 4145 3425 11*281 9 264 10 247 3425 2787 10*285 7 275 6 248 2787 2254 8 291 5 298 2 245 2254 1845 7 296 4 341 2 071 1845 1563 7 297 5 357 4 072 1563 1392 6 299 4*355 4*078 1392 1294 5 299 3*348 3*087 1294 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