DrJack's BLIPSPOT for: FRI 03/20 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 = 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 - - - - - - 67.7 - - 69.6 - - - Temp@2m Sfc.Heating - - - - - - 184 - - -13 - - - Sfc.Heating BL Depth - - - - - - 4187 - - 2682 - - - BL Depth Hcrit - - - - - - 4043 - - 1277 - - - Hcrit BL Top - - - - - - 5624 - - 4119 - - - BL Top Hgt.Variab. - - - - - - 2438 - - 5313 - - - Hgt.Variab. W* - - - - - - 380 - - 110 - - - W* B/S - - - - - - 3 - - 1 - - - B/S BL Wind - - - - - - 21 - - 23 - - - BL Wind Direction - - - - - - 226 - - 221 - - - Direction Wind Shear - - - - - - 10 - - 15 - - - Wind Shear Max.Converg - - - - - - 14 - - 28 - - - Max.Converg CLOUDpotent - - - - - - -3047 - - -4381 - - - CLOUDpotentl sfcLCL - - - - - - 8671 - - 8500 - - - sfcLCL ODpotential - - - - - - -5626 - - -6604 - - - ODpotential blCL - - - - - - 11250 - - 10723 - - - blCL maxRH - - - - - - 84 - - 99 - - - maxRH CAPE - - - - - - 0 - - 20 - - - CAPE Temp@2m - - - - - - 67.7 - - 69.6 - - - Temp@2m DewPt@2m - - - - - - 34.1 - - 36.7 - - - DewPt@2m Temp@Bot - - - - - - 66.7 - - 70.3 - - - Temp@Bot DewPt@Bot - - - - - - 32.9 - - 35.8 - - - DewPt@bot Sfc.Heating - - - - - - 184 - - -13 - - - Sfc.Heating BL Depth - - - - - - 4187 - - 2682 - - - BL Depth EXPERIMENT - - - - - - 37 - - 95 - - - EXPERIMENT EXPERIMENT2 - - - - - - 4 - - 4 - - - 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] 96475 27 238 18 255 96475 89356 6 221 15 241 89356 83866 4 125 11 216 83866 79287 3 125 1 176 79287 75326 4 314 6 062 75326 71802 12 302 9 325 71802 68599 8 289 10 302 68599 65646 7 348 14 296 65646 62906 21 312 17 313 62906 60230 35 294 26 311 60230 57401 31 286 35 307 57401 54442 25 295 40 308 54442 51617 36 301 41 299 51617 49089 40 295 33 291 49089 46827 34 302 29 309 46827 44769 40 319 39 317 44769 42885 47 313 50 312 42885 41159 43 306 52 307 41159 39580 41 314 59 313 39580 38133 54 326 67 314 38133 36796 70 323 69 311 36796 35512 78 319 70 310 35512 34209 78 318 70 310 34209 32859 73 315 70 310 32859 31463 67 311 67 311 31463 30008 61 310 63 313 30008 28480 59 306 57 314 28480 26879 57 305 52 314 26879 25204 52 305 45 306 25204 23455 42 304 42 301 23455 21631 30 296 43 305 21631 19727 21 283 50 303 19727 17739 21 277 54 296 17739 15719 26 272 53 285 15719 13780 30 265 50 277 13780 12016 33 262 45 269 12016 10444 32 263 42 264 10444 9043 31 259 39 258 9043 7796 31 253 33 246 7796 6685 29 246 30 238 6685 5698 24*237 29 235 5698 4824 23*232 28*230 4824 4050 22 229 27*226 4050 3355 22 226 26 223 3355 2739 21 225 24 221 2739 2224 20 224 23 219 2224 1827 20 223 22 217 1827 1554 19 223 20 217 1554 1389 17 222 17 216 1389 1293 13 222 12 215 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