DrJack's BLIPSPOT for: WED 04/29 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - 0654z - - 0955z - - 1001z - - 1333z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 54.3 - - 56.3 - - 56.8 - - 51.2 Temp@2m Sfc.Heating - - - 174 - - 251 - - 244 - - 19 Sfc.Heating BL Depth - - - 3871 - - 6082 - - 7645 - - 3054 BL Depth Hcrit - - - 3201 - - 5043 - - 6242 - - 900 Hcrit BL Top - - - 4727 - - 6938 - - 8501 - - 3910 BL Top Hgt.Variab. - - - 2639 - - 2237 - - 1635 - - 4925 Hgt.Variab. W* - - - 364 - - 470 - - 501 - - 160 W* B/S - - - 4 - - 5 - - 5 - - 1 B/S BL Wind - - - 16 - - 17 - - 20 - - 20 BL Wind Direction - - - 316 - - 311 - - 311 - - 341 Direction Wind Shear - - - 5 - - 3 - - 3 - - 11 Wind Shear Max.Converg - - - 1 - - 8 - - -1 - - -4 Max.Converg CLOUDpotent - - - -184 - - 655 - - 623 - - -102 CLOUDpotentl sfcLCL - - - 4911 - - 6284 - - 7879 - - 4012 sfcLCL ODpotential - - - -1720 - - 350 - - 172 - - -565 ODpotential blCL - - - 6447 - - 6588 - - 8329 - - 4475 blCL maxRH - - - 88 - - 100 - - 85 - - 96 maxRH CAPE - - - 10 - - 30 - - 10 - - 120 CAPE Temp@2m - - - 54.3 - - 56.3 - - 56.8 - - 51.2 Temp@2m DewPt@2m - - - 36.0 - - 31.8 - - 25.1 - - 36.9 DewPt@2m Temp@Bot - - - 53.3 - - 55.0 - - 55.6 - - 51.0 Temp@Bot DewPt@Bot - - - 34.7 - - 30.8 - - 24.2 - - 36.7 DewPt@bot Sfc.Heating - - - 174 - - 251 - - 244 - - 19 Sfc.Heating BL Depth - - - 3871 - - 6082 - - 7645 - - 3054 BL Depth EXPERIMENT - - - 53 - - 101 - - 42 - - 84 EXPERIMENT EXPERIMENT2 - - - 4 - - 4 - - 3 - - 5 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] 97382 18 234 24 243 27 283 23 278 97382 89967 12 255 12 264 13 243 12 262 89967 84352 4 270 5 271 12 253 10 277 84352 79710 2 007 2 185 4 252 6 278 79710 75702 7 290 6 255 4 287 7 335 75702 72164 6 264 7 241 14 269 14 307 72164 68965 5 326 3 163 11 247 13 305 68965 65989 12 295 8 337 4 204 10 260 65989 63190 12 252 18 293 14 306 9 284 63190 60449 11 249 24 257 21 278 16 286 60449 57569 23 254 22 252 22 262 23 274 57569 54564 28 259 23 265 25 265 29 266 54564 51688 30 260 28 264 28 263 30 266 51688 49093 33 263 29 258 31 265 32 266 49093 46763 42 266 33 268 36 264 35 270 46763 44654 48 261 41 268 42 267 40 272 44654 42730 49 262 45 264 46 264 47 275 42730 40964 55 266 47 264 46 263 53 273 40964 39333 60 264 51 264 53 267 53 271 39333 37818 58 261 57 261 60 266 55 275 37818 36401 54 259 58 260 64 267 62 277 36401 35048 51 256 60 264 69 269 68 276 35048 33693 51 254 64 266 73 269 70 274 33693 32307 53 256 66 266 74 268 70 271 32307 30886 59 260 67 267 71 267 69 269 30886 29412 63 262 69 268 67 267 63 269 29412 27870 61 263 68 267 65 269 54 272 27870 26259 58 267 65 266 63 271 50 275 26259 24573 55 270 60 268 60 272 51 276 24573 22812 54 270 58 270 56 273 53 276 22812 20980 50 271 54 273 50 274 49 279 20980 19078 41 272 45 274 44 278 42 283 19078 17100 34 274 39 273 36 277 38 289 17100 15084 24 281 33 274 31 283 37 290 15084 13145 19 274 27 278 28 289 33 291 13145 11389 21 286 24 278 24 295 27 295 11389 9842 21 297 18 284 17*312 18 304 9842 8470 17 296 15 303 17*316 20 310 8470 7248 14 285 16*308 17 315 24 317 7248 6159 16 297 17*310 19 313 26 321 6159 5194 19*308 17 311 20 311 26 323 5194 4342 17*315 18 311 21 310 25*328 4342 3588 16 317 18 312 21 310 23*335 3588 2913 16 317 18 312 21 309 22 338 2913 2315 16 317 18 311 21 308 21 341 2315 1816 16 316 18 311 21 308 20 343 1816 1433 15 316 17 311 20 308 19 344 1433 1169 14 316 17 311 20 308 18 345 1169 1008 14 316 16 311 18 307 16 345 1008 917 12 315 14 311 16 307 12 346 917 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