DrJack's BLIPSPOT for: THU 04/30 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 - - - - - - 0700z - - 1002z - - 1332z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 54.7 - - 50.3 - - 48.6 Temp@2m Sfc.Heating - - - - - - 210 - - 50 - - 17 Sfc.Heating BL Depth - - - - - - 4896 - - 3180 - - 1258 BL Depth Hcrit - - - - - - 4043 - - 1531 - - 900 Hcrit BL Top - - - - - - 5752 - - 4036 - - 2114 BL Top Hgt.Variab. - - - - - - 2517 - - 1892 - - 2825 Hgt.Variab. W* - - - - - - 413 - - 228 - - 116 W* B/S - - - - - - 31 - - 6 - - 5 B/S BL Wind - - - - - - 2 - - 7 - - 5 BL Wind Direction - - - - - - 273 - - 344 - - 344 Direction Wind Shear - - - - - - 12 - - 2 - - 2 Wind Shear Max.Converg - - - - - - 6 - - -4 - - -10 Max.Converg CLOUDpotent - - - - - - -1017 - - 583 - - -863 CLOUDpotentl sfcLCL - - - - - - 6769 - - 3454 - - 2977 sfcLCL ODpotential - - - - - - -1869 - - -13 - - -1653 ODpotential blCL - - - - - - 7621 - - 4049 - - 3767 blCL maxRH - - - - - - 100 - - 100 - - 99 maxRH CAPE - - - - - - 0 - - 10 - - 30 CAPE Temp@2m - - - - - - 54.7 - - 50.3 - - 48.6 Temp@2m DewPt@2m - - - - - - 28.1 - - 38.4 - - 38.8 DewPt@2m Temp@Bot - - - - - - 53.4 - - 49.9 - - 48.5 Temp@Bot DewPt@Bot - - - - - - 27.0 - - 37.2 - - 38.5 DewPt@bot Sfc.Heating - - - - - - 210 - - 50 - - 17 Sfc.Heating BL Depth - - - - - - 4896 - - 3180 - - 1258 BL Depth EXPERIMENT - - - - - - 99 - - 101 - - 96 EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 5 - - 5 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] 97330 12 247 19 262 17 260 97330 89910 11 209 14 257 14 275 89910 84281 8 215 8 252 9 276 84281 79627 5 237 3 256 4 300 79627 75614 3 202 6 230 6 314 75614 72056 2 037 8 213 10 284 72056 68818 6 357 6 228 10 239 68818 65810 4 302 7 246 8 236 65810 62989 11 248 15 251 19 258 62989 60240 14 219 23 241 22 252 60240 57361 18 254 21 254 20 258 57361 54359 24 266 23 269 25 273 54359 51478 37 266 35 276 36 274 51478 48888 38 263 42 274 41 275 48888 46579 35 264 45 269 45 275 46579 44491 37 272 46 266 49 276 44491 42580 44 277 47 270 54 277 42580 40818 49 282 52 275 58 275 40818 39183 56 281 58 277 59 274 39183 37661 60 276 64 277 61 275 37661 36241 60 273 68 274 65 275 36241 34884 60 275 68 272 70 274 34884 33525 63 278 69 273 73 271 33525 32132 70 280 73 275 73 270 32132 30710 76 282 76 276 76 270 30710 29243 76 283 75 278 78 270 29243 27716 70 285 67 279 73 269 27716 26123 63 284 58 280 65 270 26123 24460 55 286 52 280 56 270 24460 22724 50 289 49 279 50 268 22724 20920 49 286 49 277 50 268 20920 19038 49 282 48 275 52 266 19038 17074 46 281 43 274 49 266 17074 15070 46 279 37 270 41 267 15070 13143 39 286 31 261 34 263 13143 11399 31 284 25 261 26 263 11399 9851 28 257 26 267 27 264 9851 8471 27 243 21 260 25 267 8471 7242 21 237 13 249 18 281 7242 6150 14*233 8 262 16 299 6150 5183 10*235 6 288 16 312 5183 4330 6 242 6*319 16 316 4330 3577 3 260 7*337 14 318 3577 2904 2 306 7 341 10 322 2904 2308 2 342 8 344 7*329 2308 1812 3 356 8 347 6*338 1812 1430 3 002 8 347 5 345 1430 1167 3 003 7 348 4 347 1167 1008 3 005 7 349 4 348 1008 917 3 006 6 349 4 349 917 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