DrJack's BLIPSPOT for: SUN 09/13 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - - - - 0959z - - 1334z Update Time FCST PERIOD - - - - - - - - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - - - - 58.9 - - 58.8 Temp@2m Sfc.Heating - - - - - - - - - 9 - - -10 Sfc.Heating BL Depth - - - - - - - - - 1152 - - 61 BL Depth Hcrit - - - - - - - - - 901 - - 901 Hcrit BL Top - - - - - - - - - 2008 - - 917 BL Top Hgt.Variab. - - - - - - - - - 1018 - - 2676 Hgt.Variab. W* - - - - - - - - - 97 - - 14 W* B/S - - - - - - - - - 2 - - 1 B/S BL Wind - - - - - - - - - 8 - - 4 BL Wind Direction - - - - - - - - - 321 - - 292 Direction Wind Shear - - - - - - - - - 4 - - 0 Wind Shear Max.Converg - - - - - - - - - -2 - - 0 Max.Converg CLOUDpotent - - - - - - - - - -760 - - -1788 CLOUDpotentl sfcLCL - - - - - - - - - 2768 - - 2705 sfcLCL ODpotential - - - - - - - - - -7179 - - -7238 ODpotential blCL - - - - - - - - - 9187 - - 8155 blCL maxRH - - - - - - - - - 100 - - 74 maxRH CAPE - - - - - - - - - 0 - - 0 CAPE Temp@2m - - - - - - - - - 58.9 - - 58.8 Temp@2m DewPt@2m - - - - - - - - - 50.1 - - 50.4 DewPt@2m Temp@Bot - - - - - - - - - 58.9 - - 59.9 Temp@Bot DewPt@Bot - - - - - - - - - 49.6 - - 50.0 DewPt@bot Sfc.Heating - - - - - - - - - 9 - - -10 Sfc.Heating BL Depth - - - - - - - - - 1152 - - 61 BL Depth EXPERIMENT - - - - - - - - - 101 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - - - - 8 - - 8 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] 98761 7 233 4 239 98761 91373 13 225 5 276 91373 85646 11 237 5 242 85646 80871 10 277 9 261 80871 76740 14 261 13 273 76740 73095 13 237 17 262 73095 69809 15 256 15 268 69809 66796 17 266 14 287 66796 64009 15 274 14 276 64009 61302 20 295 17 301 61302 58479 34 286 30 289 58479 55566 36 279 36 282 55566 52800 48 284 43 288 52800 50327 57 286 51 292 50327 48116 69 284 62 290 48116 46110 83 282 77 283 46110 44286 93 283 84 284 44286 42602 99 281 88 286 42602 41027 103 277 90 286 41027 39545 101 276 94 286 39545 38145 101 278 97 287 38145 36791 102 279 98 288 36791 35414 100 280 99 289 35414 33985 95 282 98 291 33985 32506 87 278 94 290 32506 30962 82 273 89 286 30962 29339 82 275 86 284 29339 27638 85 276 81 286 27638 25858 84 274 76 288 25858 24001 77 271 73 288 24001 22070 77 276 69 286 22070 20059 73 278 63 285 20059 17959 68 276 61 285 17959 15816 60 273 64 282 15816 13751 56 282 62 283 13751 11879 45 296 51 299 11879 10225 33 294 41 317 10225 8767 38 301 26 317 8767 7474 34 310 20 313 7474 6328 24 312 17 318 6328 5318 19 300 14 332 5318 4433 14 296 13 342 4433 3656 12 300 12 331 3656 2961 11 309 11 315 2961 2349 10*319 9 303 2349 1837 9*322 9 299 1837 1445 9 321 8 296 1445 1175 8 321 7 295 1175 1011 7 321 6 294 1011 917 6 321 4*292 917 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