DrJack's BLIPSPOT for: THU 04/16 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 - - - - - - 0953z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 63.4 - - 67.3 - - 64.9 Temp@2m Sfc.Heating - - - - - - 36 - - 42 - - -1 Sfc.Heating BL Depth - - - - - - 2309 - - 3631 - - 62 BL Depth Hcrit - - - - - - 901 - - 2156 - - 902 Hcrit BL Top - - - - - - 3165 - - 4487 - - 918 BL Top Hgt.Variab. - - - - - - 1997 - - 2287 - - 3980 Hgt.Variab. W* - - - - - - 198 - - 248 - - 10 W* B/S - - - - - - 5 - - 6 - - 1 B/S BL Wind - - - - - - 8 - - 7 - - 2 BL Wind Direction - - - - - - 305 - - 275 - - 216 Direction Wind Shear - - - - - - 5 - - 4 - - 0 Wind Shear Max.Converg - - - - - - 3 - - 3 - - 0 Max.Converg CLOUDpotent - - - - - - 1199 - - 1803 - - -797 CLOUDpotentl sfcLCL - - - - - - 1967 - - 2685 - - 1715 sfcLCL ODpotential - - - - - - 510 - - 670 - - -1795 ODpotential blCL - - - - - - 2655 - - 3817 - - 2713 blCL maxRH - - - - - - 100 - - 94 - - 81 maxRH CAPE - - - - - - 240 - - 650 - - 630 CAPE Temp@2m - - - - - - 63.4 - - 67.3 - - 64.9 Temp@2m DewPt@2m - - - - - - 57.7 - - 58.5 - - 60.2 DewPt@2m Temp@Bot - - - - - - 63.3 - - 67.1 - - 66.1 Temp@Bot DewPt@Bot - - - - - - 56.4 - - 57.1 - - 58.9 DewPt@bot Sfc.Heating - - - - - - 36 - - 42 - - -1 Sfc.Heating BL Depth - - - - - - 2309 - - 3631 - - 62 BL Depth EXPERIMENT - - - - - - 101 - - 76 - - 24 EXPERIMENT EXPERIMENT2 - - - - - - 10 - - 9 - - 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] 96873 19 275 17 255 21 268 96873 89639 19 239 17 273 19 287 89639 84107 21 216 23 256 24 280 84107 79538 15 218 22 240 20 249 79538 75595 11 239 15 232 18 254 75595 72079 21 251 23 251 21 261 72079 68862 27 238 28 240 23 266 68862 65890 29 236 31 249 37 251 65890 63133 32 233 41 238 40 239 63133 60439 36 238 37 234 38 235 60439 57603 47 246 40 248 40 251 57603 54657 57 247 53 250 45 253 54657 51856 59 243 59 245 53 253 51856 49350 54 239 56 241 53 251 49350 47107 51 242 50 244 50 253 47107 45074 51 241 50 249 47 252 45074 43227 49 241 48 244 37 261 43227 41548 45 250 39 246 49 274 41548 40007 41 255 29 258 37 269 40007 38575 32 255 11 270 18 267 38575 37231 18 269 8 314 24 291 37231 35928 20 323 14 298 31 294 35928 34601 20 314 17 285 30 287 34601 33222 17 302 19 280 31 278 33222 31795 18 301 21 281 34 279 31795 30306 21 301 22 288 32 281 30306 28743 25 301 23 297 27 283 28743 27103 27 299 23 301 24 285 27103 25386 28 299 21 304 22 287 25386 23590 28 298 20 302 21 289 23590 21718 27 298 22 293 20 283 21718 19765 27 301 21 290 18 282 19765 17730 26 304 19 297 19 285 17730 15654 25 306 20 302 21 288 15654 13653 23 305 21 302 23 293 13653 11830 22 294 22 300 22 296 11830 10210 22 295 23 297 21 294 10210 8773 22 303 23 298 21 294 8773 7495 19 308 19 298 21 298 7495 6361 18 303 12 289 17 298 6361 5356 17 302 9*281 14 287 5356 4471 13 303 9*279 10 274 4471 3690 11*303 8 277 8 268 3690 2990 10*304 7 274 6 264 2990 2370 8 304 7 273 5 260 2370 1852 8 305 6 273 4 256 1852 1454 7 305 6 273 4 251 1454 1180 6 305 6 272 3 243 1180 1013 6 305 5 272 3*232 1013 918 5 305 5 273 2*216 918 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