DrJack's BLIPSPOT for: FRI 04/24 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 = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 79.9 - - 77.0 - - - Temp@2m Sfc.Heating - - - - - - 124 - - -4 - - - Sfc.Heating BL Depth - - - - - - 9292 - - 16 - - - BL Depth Hcrit - - - - - - 7640 - - 1277 - - - Hcrit BL Top - - - - - - 10729 - - 1295 - - - BL Top Hgt.Variab. - - - - - - 3936 - - 12166 - - - Hgt.Variab. W* - - - - - - 436 - - 11 - - - W* B/S - - - - - - 7 - - 1 - - - B/S BL Wind - - - - - - 11 - - 3 - - - BL Wind Direction - - - - - - 296 - - 345 - - - Direction Wind Shear - - - - - - 7 - - 0 - - - Wind Shear Max.Converg - - - - - - 20 - - 1 - - - Max.Converg CLOUDpotent - - - - - - 798 - - -7713 - - - CLOUDpotentl sfcLCL - - - - - - 9931 - - 9008 - - - sfcLCL ODpotential - - - - - - -279 - - -8628 - - - ODpotential blCL - - - - - - 11008 - - 9923 - - - blCL maxRH - - - - - - 100 - - 100 - - - maxRH CAPE - - - - - - 150 - - 150 - - - CAPE Temp@2m - - - - - - 79.9 - - 77.0 - - - Temp@2m DewPt@2m - - - - - - 40.5 - - 41.9 - - - DewPt@2m Temp@Bot - - - - - - 79.0 - - 78.2 - - - Temp@Bot DewPt@Bot - - - - - - 39.5 - - 40.7 - - - DewPt@bot Sfc.Heating - - - - - - 124 - - -4 - - - Sfc.Heating BL Depth - - - - - - 9292 - - 16 - - - BL Depth EXPERIMENT - - - - - - 101 - - 101 - - - EXPERIMENT EXPERIMENT2 - - - - - - 5 - - 6 - - - 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] 97530 37 252 40 252 97530 90128 32 244 35 248 90128 84416 23 241 23 243 84416 79667 15 240 14 223 79667 75575 11 245 14 231 75575 71969 8 228 11 243 71969 68705 1 245 5 269 68705 65704 3 355 6 289 65704 62919 9 332 7 301 62919 60221 13 324 17 314 60221 57413 18 314 19 313 57413 54505 22 308 20 311 54505 51729 25 300 25 306 51729 49239 25 294 29 300 49239 47034 24 300 28 296 47034 45070 25 314 28 304 45070 43297 31 314 30 311 43297 41668 37 311 29 301 41668 40152 37 303 28 294 40152 38730 32 295 28 292 38730 37385 30 297 27 291 37385 36080 26 294 26 292 36080 34751 20 301 25 298 34751 33368 20 325 22 306 33368 31933 20 330 20 307 31933 30432 18 318 20 308 30432 28854 23 304 21 308 28854 27204 26 294 22 302 27204 25481 29 290 22 302 25481 23688 31 285 21 306 23688 21827 30 279 21 310 21827 19895 27 278 21 309 19895 17892 25 273 21 292 17892 15870 21 269 18 266 15870 13928 15 275 15 257 13928 12156 13*280 15 260 12156 10576 12*284 13 262 10576 9164 12 286 11 266 9164 7901 12 288 10 273 7901 6775 11 293 9 281 6775 5772 11 298 8 291 5772 4884 11 301 7 301 4884 4097 11 304 6 310 4097 3391 10 306 6 321 3391 2764 10 308 6 330 2764 2240 10 310 5 336 2240 1837 10 311 5 340 1837 1559 9 311 5 343 1559 1390 9 312 4*343 1390 1294 7 312 3*345 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