DrJack's BLIPSPOT for: THU 08/20 Freeport_IL 856ft pt37813@42.185,-89.594,836ft BLIPSPOT sfc.temp. adjusted by +0.1 degF SPONSORED BY: ChicagoLand Glider Council RUC - Last Analysis,Validation Time = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - - - - 1000z - - - Update Time FCST PERIOD - - - - - - - - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - - - - 77.9 - - - Temp@2m Sfc.Heating - - - - - - - - - 74 - - - Sfc.Heating BL Depth - - - - - - - - - 4615 - - - BL Depth Hcrit - - - - - - - - - 3291 - - - Hcrit BL Top - - - - - - - - - 5471 - - - BL Top Hgt.Variab. - - - - - - - - - 1262 - - - Hgt.Variab. W* - - - - - - - - - 308 - - - W* B/S - - - - - - - - - 42 - - - B/S BL Wind - - - - - - - - - 1 - - - BL Wind Direction - - - - - - - - - 096 - - - Direction Wind Shear - - - - - - - - - 2 - - - Wind Shear Max.Converg - - - - - - - - - -1 - - - Max.Converg CLOUDpotent - - - - - - - - - -2414 - - - CLOUDpotentl sfcLCL - - - - - - - - - 7886 - - - sfcLCL ODpotential - - - - - - - - - -8715 - - - ODpotential blCL - - - - - - - - - 14186 - - - blCL maxRH - - - - - - - - - 52 - - - maxRH CAPE - - - - - - - - - 0 - - - CAPE Temp@2m - - - - - - - - - 77.9 - - - Temp@2m DewPt@2m - - - - - - - - - 46.6 - - - DewPt@2m Temp@Bot - - - - - - - - - 77.4 - - - Temp@Bot DewPt@Bot - - - - - - - - - 45.4 - - - DewPt@bot Sfc.Heating - - - - - - - - - 74 - - - Sfc.Heating BL Depth - - - - - - - - - 4615 - - - BL Depth EXPERIMENT - - - - - - - - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - - - - 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] 99336 13 118 99336 91902 16 135 91902 86135 14 105 86135 81329 15 085 81329 77181 9 066 77181 73511 3 155 73511 70177 3 229 70177 67109 10 250 67109 64268 11 236 64268 61512 11 255 61512 58641 15 272 58641 55682 21 280 55682 52884 30 276 52884 50389 33 270 50389 48161 37 271 48161 46146 43 270 46146 44312 45 267 44312 42626 48 267 42626 41062 47 264 41062 39599 45 264 39599 38219 43 265 38219 36881 42 266 36881 35516 41 268 35516 34097 39 271 34097 32624 39 273 32624 31082 38 276 31082 29458 36 280 29458 27753 33 285 27753 25967 32 291 25967 24101 31 289 24101 22163 29 284 22163 20149 23 284 20149 18059 21 300 18059 15933 23 295 15933 13885 13 300 13885 12021 12 322 12021 10365 9 317 10365 8896 6 338 8896 7593 7 346 7593 6441 4*343 6441 5423 1*015 5423 4527 1 078 4527 3733 1 090 3733 3022 1 099 3022 2392 2 101 2392 1866 2 105 1866 1462 2 104 1462 1184 2 105 1184 1015 2 106 1015 919 2 105 919 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