DrJack's BLIPSPOT for: WED 12/17 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 - - - - - - 34.1 - - 34.9 - - - Temp@2m Sfc.Heating - - - - - - 11 - - -7 - - - Sfc.Heating BL Depth - - - - - - 692 - - 60 - - - BL Depth Hcrit - - - - - - 899 - - 899 - - - Hcrit BL Top - - - - - - 1548 - - 916 - - - BL Top Hgt.Variab. - - - - - - 437 - - 1113 - - - Hgt.Variab. W* - - - - - - 82 - - 13 - - - W* B/S - - - - - - 7 - - 0 - - - B/S BL Wind - - - - - - 2 - - 6 - - - BL Wind Direction - - - - - - 008 - - 158 - - - Direction Wind Shear - - - - - - 1 - - 0 - - - Wind Shear Max.Converg - - - - - - 1 - - 0 - - - Max.Converg CLOUDpotent - - - - - - -102 - - -196 - - - CLOUDpotentl sfcLCL - - - - - - 1650 - - 1112 - - - sfcLCL ODpotential - - - - - - -9073 - - -573 - - - ODpotential blCL - - - - - - 10621 - - 1489 - - - blCL maxRH - - - - - - 99 - - 100 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 34.1 - - 34.9 - - - Temp@2m DewPt@2m - - - - - - 30.3 - - 33.4 - - - DewPt@2m Temp@Bot - - - - - - 34.0 - - 35.6 - - - Temp@Bot DewPt@Bot - - - - - - 29.9 - - 33.1 - - - DewPt@bot Sfc.Heating - - - - - - 11 - - -7 - - - Sfc.Heating BL Depth - - - - - - 692 - - 60 - - - BL Depth EXPERIMENT - - - - - - 96 - - 99 - - - EXPERIMENT EXPERIMENT2 - - - - - - 4 - - 4 - - - 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] 95855 28 340 22 333 95855 89019 25 323 12 313 89019 83612 19 300 17 278 83612 79040 13 257 22 260 79040 75057 12 244 24 265 75057 71523 17 278 21 261 71523 68306 26 285 18 258 68306 65319 32 273 24 280 65319 62547 32 267 29 276 62547 59870 29 270 32 284 59870 57081 33 276 48 277 57081 54179 51 285 57 277 54179 51381 49 281 63 274 51381 48842 53 280 66 278 48842 46564 57 281 71 284 46564 44507 69 286 72 283 44507 42636 72 281 67 280 42636 40921 66 281 64 281 40921 39335 66 284 65 286 39335 37866 64 287 63 291 37866 36510 58 286 62 293 36510 35223 52 281 55 291 35223 33922 52 278 48 294 33922 32577 57 273 45 306 32577 31184 59 267 47 316 31184 29724 58 271 47 318 29724 28187 57 277 46 311 28187 26572 52 282 46 299 26572 24877 44 280 49 290 24877 23107 42 282 42 282 23107 21266 45 285 31 270 21266 19347 42 281 28 263 19347 17343 39 284 33 261 17343 15299 41 287 34 259 15299 13334 46 289 33 257 13334 11549 43 282 32 251 11549 9962 36 276 31 251 9962 8548 27 277 27 254 8548 7288 21 283 22 247 7288 6171 16 284 20 237 6171 5184 14 282 17 237 5184 4316 13 280 12 241 4316 3552 10 278 9 251 3552 2870 5 278 9 226 2870 2275 3 344 13 170 2275 1787 3*002 12 162 1787 1416 2*005 11 160 1416 1160 2 006 10 159 1160 1004 2 011 8*158 1004 916 2 011 6*158 916 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