DrJack's BLIPSPOT for: MON 04/27 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 = 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 - - - - - - 65.4 - - 67.7 - - - Temp@2m Sfc.Heating - - - - - - 346 - - 173 - - - Sfc.Heating BL Depth - - - - - - 4474 - - 4168 - - - BL Depth Hcrit - - - - - - 3794 - - 3252 - - - Hcrit BL Top - - - - - - 5183 - - 4877 - - - BL Top Hgt.Variab. - - - - - - 753 - - 1090 - - - Hgt.Variab. W* - - - - - - 472 - - 368 - - - W* B/S - - - - - - 13 - - 7 - - - B/S BL Wind - - - - - - 7 - - 9 - - - BL Wind Direction - - - - - - 114 - - 124 - - - Direction Wind Shear - - - - - - 2 - - 3 - - - Wind Shear Max.Converg - - - - - - -3 - - -4 - - - Max.Converg CLOUDpotent - - - - - - -1516 - - -2765 - - - CLOUDpotentl sfcLCL - - - - - - 6700 - - 7642 - - - sfcLCL ODpotential - - - - - - -8350 - - -8938 - - - ODpotential blCL - - - - - - 13533 - - 13815 - - - blCL maxRH - - - - - - 65 - - 86 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 65.4 - - 67.7 - - - Temp@2m DewPt@2m - - - - - - 38.9 - - 37.1 - - - DewPt@2m Temp@Bot - - - - - - 63.0 - - 66.1 - - - Temp@Bot DewPt@Bot - - - - - - 37.9 - - 36.2 - - - DewPt@bot Sfc.Heating - - - - - - 346 - - 173 - - - Sfc.Heating BL Depth - - - - - - 4474 - - 4168 - - - BL Depth EXPERIMENT - - - - - - 0 - - 43 - - - 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] 97557 40 259 29 269 97557 90142 21 244 33 267 90142 84432 16 255 27 254 84432 79711 16 262 16 248 79711 75664 9 258 8 255 75664 72096 9 277 5 300 72096 68869 8 272 5 321 68869 65903 6 310 11 304 65903 63157 11 313 16 306 63157 60499 13 308 22 306 60499 57707 17 299 21 302 57707 54788 19 296 28 297 54788 52000 22 292 32 294 52000 49503 23 306 28 300 49503 47270 34 312 28 316 47270 45254 47 311 50 298 45254 43444 49 280 41 306 43444 41814 41 316 49 323 41814 40306 64 327 56 319 40306 38882 89 314 55 316 38882 37533 89 307 53 315 37533 36225 80 305 60 314 36225 34890 72 307 69 317 34890 33498 58 304 69 320 33498 32054 47 302 59 307 32054 30540 42 302 47 299 30540 28944 38 306 37 304 28944 27270 37 311 36 299 27270 25518 32 307 34 296 25518 23689 25 305 29 296 23689 21786 24 319 23 296 21786 19804 26 324 22 300 19804 17739 25 319 23 298 17739 15631 23 319 23 301 15631 13598 19 321 20 306 13598 11746 17 326 14 303 11746 10100 12 341 10 297 10100 8639 8 348 7 298 8639 7344 6 009 3 314 7344 6202 5*098 5 122 6202 5199 6*114 9*124 5199 4318 7 114 9*124 4318 3540 7 115 10 124 3540 2843 7 115 10 125 2843 2226 7 114 10 124 2226 1712 7 113 9 125 1712 1317 6 114 9 125 1317 1045 6 113 9 124 1045 880 6 113 8 124 880 785 5 112 7 124 785 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