DrJack's BLIPSPOT for: WED 07/29 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 - - - - - - 77.9 - - 77.2 - - - Temp@2m Sfc.Heating - - - - - - 200 - - 94 - - - Sfc.Heating BL Depth - - - - - - 4406 - - 3345 - - - BL Depth Hcrit - - - - - - 3545 - - 2360 - - - Hcrit BL Top - - - - - - 5115 - - 4054 - - - BL Top Hgt.Variab. - - - - - - 1999 - - 3548 - - - Hgt.Variab. W* - - - - - - 404 - - 291 - - - W* B/S - - - - - - 4 - - 3 - - - B/S BL Wind - - - - - - 19 - - 21 - - - BL Wind Direction - - - - - - 311 - - 315 - - - Direction Wind Shear - - - - - - 8 - - 11 - - - Wind Shear Max.Converg - - - - - - 7 - - 7 - - - Max.Converg CLOUDpotent - - - - - - 304 - - -200 - - - CLOUDpotentl sfcLCL - - - - - - 4811 - - 4254 - - - sfcLCL ODpotential - - - - - - -435 - - -1340 - - - ODpotential blCL - - - - - - 5550 - - 5394 - - - blCL maxRH - - - - - - 92 - - 95 - - - maxRH CAPE - - - - - - 60 - - 210 - - - CAPE Temp@2m - - - - - - 77.9 - - 77.2 - - - Temp@2m DewPt@2m - - - - - - 59.2 - - 61.0 - - - DewPt@2m Temp@Bot - - - - - - 76.5 - - 76.4 - - - Temp@Bot DewPt@Bot - - - - - - 58.1 - - 60.2 - - - DewPt@bot Sfc.Heating - - - - - - 200 - - 94 - - - Sfc.Heating BL Depth - - - - - - 4406 - - 3345 - - - BL Depth EXPERIMENT - - - - - - 69 - - 79 - - - EXPERIMENT EXPERIMENT2 - - - - - - 10 - - 11 - - - 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] 99542 44 095 34 087 99542 92032 42 086 39 085 92032 86226 35 090 34 082 86226 81425 31 093 27 087 81425 77304 20 088 21 092 77304 73656 18 102 18 092 73656 70342 17 084 17 081 70342 67299 10 113 10 087 67299 64475 9 101 9 102 64475 61750 8 080 1 002 61750 58910 10 002 4 109 58910 55958 12 307 11 324 55958 53148 8 285 15 306 53148 50613 13 303 23 303 50613 48332 22 296 25 292 48332 46257 24 301 25 299 46257 44352 30 303 29 304 44352 42591 32 297 32 304 42591 40952 32 292 34 302 40952 39420 33 292 33 302 39420 37986 36 294 32 307 37986 36614 39 292 31 304 36614 35235 38 285 28 299 35235 33817 34 281 27 297 33817 32355 31 284 27 298 32355 30828 29 288 27 297 30828 29224 27 291 26 295 29224 27541 26 291 24 293 27541 25779 26 290 22 296 25779 23939 27 293 22 298 23939 22022 28 299 22 298 22022 20022 25 299 22 297 20022 17935 19 300 21 298 17935 15809 17 305 19 301 15809 13761 17 306 19 305 13761 11898 17 307 21 311 11898 10241 18 310 23 317 10241 8774 19 315 23 317 8774 7477 19 314 23 308 7477 6328 20 312 24 309 6328 5308 20*311 24 311 5308 4407 20*311 23*313 4407 3612 20 311 23*314 3612 2898 20 311 22 314 2898 2266 19 311 22 315 2266 1738 19 311 21 316 1738 1333 18 311 20 316 1333 1053 17 310 19 316 1053 884 15 311 16 316 884 786 11 310 12 316 786 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