DrJack's BLIPSPOT for: SUN 04/19 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 - - - - - - 41.4 - - 45.9 - - - Temp@2m Sfc.Heating - - - - - - 131 - - 154 - - - Sfc.Heating BL Depth - - - - - - 2425 - - 5272 - - - BL Depth Hcrit - - - - - - 2002 - - 4157 - - - Hcrit BL Top - - - - - - 3281 - - 6128 - - - BL Top Hgt.Variab. - - - - - - 3117 - - 4099 - - - Hgt.Variab. W* - - - - - - 282 - - 384 - - - W* B/S - - - - - - 3 - - 4 - - - B/S BL Wind - - - - - - 17 - - 20 - - - BL Wind Direction - - - - - - 313 - - 314 - - - Direction Wind Shear - - - - - - 6 - - 7 - - - Wind Shear Max.Converg - - - - - - -2 - - -1 - - - Max.Converg CLOUDpotent - - - - - - 1066 - - 863 - - - CLOUDpotentl sfcLCL - - - - - - 2215 - - 5265 - - - sfcLCL ODpotential - - - - - - 737 - - -196 - - - ODpotential blCL - - - - - - 2544 - - 6324 - - - blCL maxRH - - - - - - 100 - - 95 - - - maxRH CAPE - - - - - - 150 - - 80 - - - CAPE Temp@2m - - - - - - 41.4 - - 45.9 - - - Temp@2m DewPt@2m - - - - - - 35.2 - - 26.2 - - - DewPt@2m Temp@Bot - - - - - - 40.8 - - 45.1 - - - Temp@Bot DewPt@Bot - - - - - - 34.1 - - 25.0 - - - DewPt@bot Sfc.Heating - - - - - - 131 - - 154 - - - Sfc.Heating BL Depth - - - - - - 2425 - - 5272 - - - BL Depth EXPERIMENT - - - - - - 102 - - 80 - - - EXPERIMENT EXPERIMENT2 - - - - - - 4 - - 2 - - - 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] 96936 10 244 26 237 96936 89604 36 267 33 261 89604 84027 43 254 37 261 84027 79403 31 236 33 250 79403 75400 23 250 32 245 75400 71840 28 273 27 251 71840 68586 34 260 27 254 68586 65569 32 238 26 249 65569 62745 24 265 23 262 62745 59998 34 270 42 273 59998 57135 39 267 43 273 57135 54163 36 264 47 275 54163 51320 39 278 45 276 51320 48747 47 277 47 281 48747 46434 47 274 50 281 46434 44330 49 284 50 283 44330 42401 55 284 55 288 42401 40628 54 281 58 289 40628 38990 58 286 61 287 38990 37466 61 285 60 288 37466 36043 61 289 61 293 36043 34680 65 294 68 298 34680 33316 77 297 81 299 33316 31929 90 297 92 298 31929 30523 98 298 98 296 30523 29070 105 300 99 296 29070 27551 110 300 99 298 27551 25961 111 300 98 300 25961 24296 109 300 95 300 24296 22557 108 303 91 301 22557 20747 101 304 89 302 20747 18857 86 303 87 305 18857 16886 69 302 79 306 16886 14887 55 299 62 306 14887 12974 47 288 51 301 12974 11244 49 275 36 300 11244 9720 45 281 24 302 9720 8366 37 298 22 306 8366 7159 28 307 21*310 7159 6085 23 311 21*312 6085 5132 21 312 21 314 5132 4292 20 312 20 314 4292 3549 19*312 20 315 3549 2883 19*312 20 315 2883 2294 18 312 19 315 2294 1802 18 313 19 315 1802 1424 17 313 18 315 1424 1165 16 313 18 315 1165 1007 15 313 17 315 1007 916 13 312 14 315 916 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