DrJack's BLIPSPOT for: SAT 04/18 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 - - - - - - 38.3 - - 40.2 - - - Temp@2m Sfc.Heating - - - - - - 110 - - 99 - - - Sfc.Heating BL Depth - - - - - - 3780 - - 3514 - - - BL Depth Hcrit - - - - - - 2896 - - 2642 - - - Hcrit BL Top - - - - - - 4636 - - 4370 - - - BL Top Hgt.Variab. - - - - - - 893 - - 2408 - - - Hgt.Variab. W* - - - - - - 315 - - 298 - - - W* B/S - - - - - - 2 - - 2 - - - B/S BL Wind - - - - - - 24 - - 26 - - - BL Wind Direction - - - - - - 292 - - 286 - - - Direction Wind Shear - - - - - - 9 - - 13 - - - Wind Shear Max.Converg - - - - - - 1 - - -4 - - - Max.Converg CLOUDpotent - - - - - - 1759 - - 1374 - - - CLOUDpotentl sfcLCL - - - - - - 2877 - - 2997 - - - sfcLCL ODpotential - - - - - - 1028 - - 375 - - - ODpotential blCL - - - - - - 3608 - - 3995 - - - blCL maxRH - - - - - - 100 - - 100 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 38.3 - - 40.2 - - - Temp@2m DewPt@2m - - - - - - 29.0 - - 30.4 - - - DewPt@2m Temp@Bot - - - - - - 37.8 - - 39.9 - - - Temp@Bot DewPt@Bot - - - - - - 27.9 - - 29.2 - - - DewPt@bot Sfc.Heating - - - - - - 110 - - 99 - - - Sfc.Heating BL Depth - - - - - - 3780 - - 3514 - - - BL Depth EXPERIMENT - - - - - - 101 - - 101 - - - EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 3 - - - 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] 96850 28 270 30 276 96850 89563 23 236 35 264 89563 84040 25 238 33 247 84040 79449 27 261 30 249 79449 75435 36 252 34 256 75435 71870 36 243 35 255 71870 68662 32 245 33 250 68662 65710 21 265 28 241 65710 62931 23 265 32 243 62931 60195 29 254 43 254 60195 57338 44 252 53 242 57338 54386 56 241 51 239 54386 51562 56 235 53 241 51562 49016 57 239 61 243 49016 46733 67 240 62 239 46733 44651 69 239 61 242 44651 42736 74 245 73 247 42736 40974 88 244 87 245 40974 39347 96 235 91 240 39347 37831 98 230 93 236 37831 36414 103 229 94 233 36414 35056 112 228 100 233 35056 33693 118 227 107 232 33693 32293 116 225 112 232 32293 30853 113 225 118 233 30853 29355 113 225 124 232 29355 27784 113 224 127 230 27784 26139 113 224 126 229 26139 24414 113 226 128 232 24414 22614 111 229 116 232 22614 20756 107 230 100 232 20756 18844 105 230 78 237 18844 16879 92 234 61 247 16879 14892 68 242 53 259 14892 12980 50 243 49 266 12980 11237 44 240 45 267 11237 9687 44 247 43 266 9687 8310 44 258 42 267 8310 7095 39 269 32 275 7095 6030 28 284 31 283 6030 5088 25*290 31*284 5088 4256 25*291 30*285 4256 3521 25 291 28 286 3521 2863 25 292 27 286 2863 2280 24 292 27 286 2280 1793 23 292 26 286 1793 1419 23 292 25 286 1419 1162 22 292 23 286 1162 1006 20 292 21 286 1006 916 16 292 17 286 916 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