DrJack's BLIPSPOT for: TUE 04/21 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 - - - - - - 61.0 - - 66.3 - - - Temp@2m Sfc.Heating - - - - - - 380 - - 153 - - - Sfc.Heating BL Depth - - - - - - 4300 - - 3416 - - - BL Depth Hcrit - - - - - - 4421 - - 3371 - - - Hcrit BL Top - - - - - - 5737 - - 4853 - - - BL Top Hgt.Variab. - - - - - - 1027 - - 2905 - - - Hgt.Variab. W* - - - - - - 480 - - 332 - - - W* B/S - - - - - - 11 - - 4 - - - B/S BL Wind - - - - - - 8 - - 15 - - - BL Wind Direction - - - - - - 223 - - 210 - - - Direction Wind Shear - - - - - - 5 - - 8 - - - Wind Shear Max.Converg - - - - - - -3 - - -4 - - - Max.Converg CLOUDpotent - - - - - - -5431 - - -6731 - - - CLOUDpotentl sfcLCL - - - - - - 11169 - - 11585 - - - sfcLCL ODpotential - - - - - - -11931 - - -11837 - - - ODpotential blCL - - - - - - 17668 - - 16690 - - - blCL maxRH - - - - - - 74 - - 75 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 61.0 - - 66.3 - - - Temp@2m DewPt@2m - - - - - - 16.5 - - 19.9 - - - DewPt@2m Temp@Bot - - - - - - 59.0 - - 65.5 - - - Temp@Bot DewPt@Bot - - - - - - 15.4 - - 18.7 - - - DewPt@bot Sfc.Heating - - - - - - 380 - - 153 - - - Sfc.Heating BL Depth - - - - - - 4300 - - 3416 - - - BL Depth EXPERIMENT - - - - - - 0 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 2 - - - 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] 97538 32 242 29 270 97538 90110 28 242 33 250 90110 84441 20 258 26 237 84441 79740 15 259 16 233 79740 75678 17 227 12 223 75678 72060 14 223 11 215 72060 68761 13 239 15 265 68761 65752 13 219 19 262 65752 62980 6 231 12 262 62980 60292 24 300 27 294 60292 57497 36 293 32 288 57497 54596 40 294 34 286 54596 51805 45 290 40 284 51805 49277 47 290 45 283 49277 47007 48 290 51 285 47007 44958 48 291 57 291 44958 43107 49 293 60 295 43107 41426 49 298 57 296 41426 39887 50 302 55 296 39887 38462 52 306 55 296 38462 37126 51 309 57 297 37126 35833 51 312 57 299 35833 34518 52 314 54 301 34518 33151 55 314 51 301 33151 31735 57 312 47 301 31735 30255 58 311 42 298 30255 28698 58 311 37 296 28698 27065 56 311 33 296 27065 25355 52 310 32 297 25355 23569 47 311 32 298 23569 21714 47 313 34 298 21714 19786 48 314 35 302 19786 17784 44 318 39 310 17784 15748 43 322 48 318 15748 13786 42 318 54 313 13786 11999 40 314 50 304 11999 10413 38 308 39 297 10413 9007 36 304 30 290 9007 7756 29 299 26 282 7756 6644 17*284 22 273 6644 5658 10*238 16*248 5658 4789 9 231 15*229 4789 4020 8 224 15 221 4020 3331 8 221 16 207 3331 2722 8 218 16 204 2722 2212 7 215 15 203 2212 1820 7 213 15 201 1820 1551 6 213 14 201 1551 1387 6 212 13 201 1387 1293 5 212 11 200 1293 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