DrJack's BLIPSPOT for: FRI 04/24 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 - - - - - - 61.6 - - 67.7 - - - Temp@2m Sfc.Heating - - - - - - 59 - - 275 - - - Sfc.Heating BL Depth - - - - - - 2076 - - 3869 - - - BL Depth Hcrit - - - - - - 901 - - 3386 - - - Hcrit BL Top - - - - - - 2932 - - 4725 - - - BL Top Hgt.Variab. - - - - - - 1405 - - 1160 - - - Hgt.Variab. W* - - - - - - 216 - - 417 - - - W* B/S - - - - - - 3 - - 6 - - - B/S BL Wind - - - - - - 13 - - 14 - - - BL Wind Direction - - - - - - 303 - - 313 - - - Direction Wind Shear - - - - - - 4 - - 1 - - - Wind Shear Max.Converg - - - - - - -1 - - 3 - - - Max.Converg CLOUDpotent - - - - - - 1039 - - -234 - - - CLOUDpotentl sfcLCL - - - - - - 1893 - - 4959 - - - sfcLCL ODpotential - - - - - - 492 - - -2497 - - - ODpotential blCL - - - - - - 2440 - - 7222 - - - blCL maxRH - - - - - - 100 - - 79 - - - maxRH CAPE - - - - - - 100 - - 0 - - - CAPE Temp@2m - - - - - - 61.6 - - 67.7 - - - Temp@2m DewPt@2m - - - - - - 56.2 - - 48.9 - - - DewPt@2m Temp@Bot - - - - - - 61.2 - - 66.0 - - - Temp@Bot DewPt@Bot - - - - - - 55.1 - - 48.3 - - - DewPt@bot Sfc.Heating - - - - - - 59 - - 275 - - - Sfc.Heating BL Depth - - - - - - 2076 - - 3869 - - - BL Depth EXPERIMENT - - - - - - 101 - - 17 - - - EXPERIMENT EXPERIMENT2 - - - - - - 9 - - 7 - - - 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] 97133 28 214 34 240 97133 89762 17 228 27 229 89762 84129 13 261 15 225 84129 79460 8 272 10 235 79460 75437 5 249 6 249 75437 71881 4 178 6 270 71881 68668 6 034 2 037 68668 65713 9 359 8 005 65713 62969 10 325 12 308 62969 60314 7 323 11 308 60314 57540 16 342 9 309 57540 54637 18 301 12 299 54637 51842 15 299 12 301 51842 49309 24 278 14 292 49309 47023 37 241 37 251 47023 44968 31 218 40 219 44968 43126 26 203 37 191 43126 41435 35 235 30 218 41435 39868 54 226 59 225 39868 38431 69 214 77 214 38431 37087 75 209 77 210 37087 35782 74 210 76 210 35782 34451 74 211 76 210 34451 33063 73 211 75 212 33063 31623 71 211 75 216 31623 30117 67 213 70 219 30117 28536 64 218 68 223 28536 26878 60 221 65 230 26878 25148 59 229 53 229 25148 23353 43 239 36 230 23353 21497 29 239 30 247 21497 19566 27 228 24 245 19566 17553 27 225 23 243 17553 15502 26 237 26 250 15502 13523 24 234 27 268 13523 11721 25 235 23 281 11721 10121 16 247 16 277 10121 8701 15 268 16 259 8701 7435 16 282 16 266 7435 6311 15 293 17 289 6311 5316 13 292 13*311 5316 4440 13 300 13*312 4440 3666 14 304 13 312 3666 2973 14*304 14 313 2973 2359 14*303 14 313 2359 1845 14 303 14 313 1845 1450 14 302 14 314 1450 1178 13 303 13 314 1178 1013 12 302 13 313 1013 918 10 302 12 313 918 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