DrJack's BLIPSPOT for: SAT 03/21 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 - - - - - - 67.0 - - 78.0 - - - Temp@2m Sfc.Heating - - - - - - 235 - - 121 - - - Sfc.Heating BL Depth - - - - - - 1595 - - 2450 - - - BL Depth Hcrit - - - - - - 1660 - - 1969 - - - Hcrit BL Top - - - - - - 2451 - - 3306 - - - BL Top Hgt.Variab. - - - - - - 478 - - 1282 - - - Hgt.Variab. W* - - - - - - 296 - - 275 - - - W* B/S - - - - - - 3 - - 2 - - - B/S BL Wind - - - - - - 19 - - 23 - - - BL Wind Direction - - - - - - 214 - - 238 - - - Direction Wind Shear - - - - - - 10 - - 9 - - - Wind Shear Max.Converg - - - - - - -2 - - -2 - - - Max.Converg CLOUDpotent - - - - - - -3060 - - -4926 - - - CLOUDpotentl sfcLCL - - - - - - 5512 - - 8232 - - - sfcLCL ODpotential - - - - - - -7737 - - -7407 - - - ODpotential blCL - - - - - - 10188 - - 10713 - - - blCL maxRH - - - - - - 89 - - 61 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 67.0 - - 78.0 - - - Temp@2m DewPt@2m - - - - - - 46.0 - - 45.0 - - - DewPt@2m Temp@Bot - - - - - - 65.7 - - 77.4 - - - Temp@Bot DewPt@Bot - - - - - - 45.3 - - 44.5 - - - DewPt@bot Sfc.Heating - - - - - - 235 - - 121 - - - Sfc.Heating BL Depth - - - - - - 1595 - - 2450 - - - BL Depth EXPERIMENT - - - - - - 56 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 6 - - 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] 96439 10 249 21 225 96439 89356 15 214 11 235 89356 83910 7 238 16 225 83910 79342 4 267 15 215 79342 75377 8 266 11 218 75377 71851 9 287 8 265 71851 68661 9 299 13 308 68661 65749 9 297 18 281 65749 63054 17 322 20 290 63054 60437 19 319 26 291 60437 57687 34 327 29 285 57687 54799 45 318 33 296 54799 52025 53 312 43 299 52025 49538 59 311 55 300 49538 47305 63 312 59 305 47305 45262 70 313 68 306 45262 43387 80 309 76 304 43387 41676 83 303 79 303 41676 40117 81 305 78 306 40117 38677 77 309 77 312 38677 37328 77 316 83 313 37328 36023 80 320 85 311 36023 34693 80 320 84 309 34693 33306 77 318 81 311 33306 31868 72 315 78 313 31868 30366 67 312 76 314 30366 28790 65 310 75 314 28790 27140 62 308 69 315 27140 25416 59 308 61 312 25416 23619 54 309 56 306 23619 21752 50 309 53 301 21752 19807 44 308 50 298 19807 17780 42 307 46 298 17780 15718 40 313 42 308 15718 13731 41 313 45 317 13731 11918 44 305 41 315 11918 10302 35 304 31 303 10302 8862 27 291 27 288 8862 7576 30 278 35 281 7576 6430 31 281 40 275 6430 5412 32 279 38 271 5412 4515 33 262 35 265 4515 3723 33 238 29*254 3723 3015 30*228 25*241 3015 2387 24*219 24 239 2387 1864 20 213 24 238 1864 1461 19 213 23 237 1461 1184 18 212 22 236 1184 1015 17 212 20 236 1015 918 14 212 16 236 918 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