DrJack's BLIPSPOT for: WED 04/22 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 - - - - - - 74.7 - - 79.9 - - - Temp@2m Sfc.Heating - - - - - - 306 - - 212 - - - Sfc.Heating BL Depth - - - - - - 2476 - - 4580 - - - BL Depth Hcrit - - - - - - 2380 - - 3808 - - - Hcrit BL Top - - - - - - 3332 - - 5436 - - - BL Top Hgt.Variab. - - - - - - 2007 - - 1758 - - - Hgt.Variab. W* - - - - - - 373 - - 405 - - - W* B/S - - - - - - 28 - - 25 - - - B/S BL Wind - - - - - - 2 - - 3 - - - BL Wind Direction - - - - - - 058 - - 167 - - - Direction Wind Shear - - - - - - 1 - - 3 - - - Wind Shear Max.Converg - - - - - - 1 - - -6 - - - Max.Converg CLOUDpotent - - - - - - -2398 - - -3165 - - - CLOUDpotentl sfcLCL - - - - - - 5730 - - 8601 - - - sfcLCL ODpotential - - - - - - -5487 - - -5831 - - - ODpotential blCL - - - - - - 8819 - - 11267 - - - blCL maxRH - - - - - - 59 - - 54 - - - maxRH CAPE - - - - - - 290 - - 70 - - - CAPE Temp@2m - - - - - - 74.7 - - 79.9 - - - Temp@2m DewPt@2m - - - - - - 52.8 - - 45.3 - - - DewPt@2m Temp@Bot - - - - - - 72.9 - - 78.5 - - - Temp@Bot DewPt@Bot - - - - - - 52.0 - - 44.5 - - - DewPt@bot Sfc.Heating - - - - - - 306 - - 212 - - - Sfc.Heating BL Depth - - - - - - 2476 - - 4580 - - - BL Depth EXPERIMENT - - - - - - 0 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 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] 97164 20 218 25 242 97164 89766 28 261 24 259 89766 84097 15 270 21 261 84097 79409 15 269 19 271 79409 75393 10 265 14 265 75393 71848 5 279 8 259 71848 68620 8 319 7 275 68620 65647 18 305 16 302 65647 62893 16 289 20 302 62893 60231 14 294 23 306 60231 57449 21 298 25 297 57449 54550 29 305 29 292 54550 51782 37 297 36 290 51782 49314 35 294 37 290 49314 47137 31 308 36 293 47137 45185 40 312 36 296 45185 43414 45 308 39 300 43414 41794 46 315 44 304 41794 40286 49 319 45 303 40286 38861 46 316 39 303 38861 37509 42 313 36 304 37509 36195 41 314 34 304 36195 34855 40 315 32 303 34855 33460 35 314 33 303 33460 32013 30 314 33 306 32013 30498 26 316 32 305 30498 28905 26 320 29 301 28905 27236 28 322 27 300 27236 25495 29 323 26 309 25495 23681 27 320 26 316 23681 21801 28 315 28 317 21801 19851 32 319 27 323 19851 17825 34 322 21 329 17825 15758 29 326 18 325 15758 13764 27 335 14 306 13764 11944 26 339 11 319 11944 10320 22 340 9 320 10320 8872 18 336 5 301 8872 7583 16 330 4 276 7583 6436 14 330 4*228 6436 5420 9 337 4*195 5420 4525 1 336 3 186 4525 3733 1*093 3 177 3733 3022 2*077 3 166 3022 2393 2 065 3 156 2393 1867 3 058 3 147 1867 1463 3 053 3 141 1463 1185 3 050 3 138 1185 1016 3 047 3 137 1016 918 3 046 3 135 918 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