DrJack's BLIPSPOT for: TUE 03/24 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 - - - - - - 0700z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 46.2 - - 51.5 - - - Temp@2m Sfc.Heating - - - - - - 221 - - 191 - - - Sfc.Heating BL Depth - - - - - - 1855 - - 2366 - - - BL Depth Hcrit - - - - - - 1821 - - 2117 - - - Hcrit BL Top - - - - - - 2711 - - 3222 - - - BL Top Hgt.Variab. - - - - - - 687 - - 961 - - - Hgt.Variab. W* - - - - - - 304 - - 311 - - - W* B/S - - - - - - 5 - - 4 - - - B/S BL Wind - - - - - - 11 - - 13 - - - BL Wind Direction - - - - - - 191 - - 185 - - - Direction Wind Shear - - - - - - 3 - - 2 - - - Wind Shear Max.Converg - - - - - - -1 - - -2 - - - Max.Converg CLOUDpotent - - - - - - -3369 - - -4340 - - - CLOUDpotentl sfcLCL - - - - - - 6080 - - 7563 - - - sfcLCL ODpotential - - - - - - -11524 - - -10704 - - - ODpotential blCL - - - - - - 14235 - - 13926 - - - blCL maxRH - - - - - - 83 - - 83 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 46.2 - - 51.5 - - - Temp@2m DewPt@2m - - - - - - 23.2 - - 21.8 - - - DewPt@2m Temp@Bot - - - - - - 45.0 - - 50.2 - - - Temp@Bot DewPt@Bot - - - - - - 22.1 - - 21.3 - - - DewPt@bot Sfc.Heating - - - - - - 221 - - 191 - - - Sfc.Heating BL Depth - - - - - - 1855 - - 2366 - - - BL Depth EXPERIMENT - - - - - - 33 - - 34 - - - EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 2 - - - 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] 96148 22 252 26 252 96148 88989 21 260 22 252 88989 83466 21 269 25 260 83466 78859 24 282 21 283 78859 74878 25 285 34 295 74878 71379 32 272 40 279 71379 68196 31 285 40 277 68196 65248 41 296 47 295 65248 62519 49 297 54 296 62519 59878 50 300 57 296 59878 57102 52 304 63 299 57102 54189 64 305 63 304 54189 51401 65 303 70 312 51401 48905 65 308 77 312 48905 46682 76 313 78 309 46682 44669 82 308 77 311 44669 42826 79 303 83 315 42826 41129 73 306 86 314 41129 39564 75 312 80 309 39564 38110 76 313 71 309 38110 36749 78 310 68 314 36749 35442 83 308 71 318 35442 34122 84 305 75 317 34122 32757 83 302 77 316 32757 31347 82 299 80 316 31347 29872 82 299 82 312 29872 28318 79 298 82 309 28318 26688 69 290 71 309 26688 24980 63 286 70 304 24980 23193 63 281 72 302 23193 21335 57 269 61 298 21335 19404 45 262 52 298 19404 17391 41 265 54 292 17391 15336 38 272 56 277 15336 13358 36 271 46 269 13358 11562 34 260 29 272 11562 9967 32 254 23 302 9967 8548 26 251 23 282 8548 7287 19 252 22 258 7287 6173 20 249 17 250 6173 5192 18 251 12 248 5192 4332 17 250 10 235 4332 3575 15 235 11*206 3575 2902 12*199 13*188 2902 2307 12*193 13 186 2307 1811 11 191 13 185 1811 1429 11 191 13 184 1429 1167 10 190 13 184 1167 1008 10 190 12 183 1008 916 9 189 11 183 916 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