DrJack's BLIPSPOT for: TUE 04/28 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 - - - 49.2 - - 54.2 - - 61.9 - - 59.3 Temp@2m Sfc.Heating - - - 117 - - 159 - - 239 - - -3 Sfc.Heating BL Depth - - - 2519 - - 2942 - - 4479 - - 3380 BL Depth Hcrit - - - 2020 - - 2482 - - 3788 - - 901 Hcrit BL Top - - - 3375 - - 3798 - - 5335 - - 4236 BL Top Hgt.Variab. - - - 442 - - 795 - - 752 - - 1282 Hgt.Variab. W* - - - 278 - - 323 - - 418 - - 76 W* B/S - - - 3 - - 6 - - 7 - - 1 B/S BL Wind - - - 14 - - 10 - - 10 - - 10 BL Wind Direction - - - 306 - - 279 - - 290 - - 317 Direction Wind Shear - - - 6 - - 3 - - 2 - - 4 Wind Shear Max.Converg - - - -4 - - 1 - - 4 - - -3 Max.Converg CLOUDpotent - - - 1184 - - 717 - - -632 - - -1413 CLOUDpotentl sfcLCL - - - 2191 - - 3081 - - 5968 - - 5650 sfcLCL ODpotential - - - 753 - - 263 - - -5642 - - -5794 ODpotential blCL - - - 2622 - - 3535 - - 10977 - - 10030 blCL maxRH - - - 100 - - 94 - - 83 - - 89 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 49.2 - - 54.2 - - 61.9 - - 59.3 Temp@2m DewPt@2m - - - 42.8 - - 43.9 - - 38.9 - - 37.8 DewPt@2m Temp@Bot - - - 48.6 - - 53.2 - - 60.3 - - 59.5 Temp@Bot DewPt@Bot - - - 41.6 - - 42.6 - - 38.1 - - 37.3 DewPt@bot Sfc.Heating - - - 117 - - 159 - - 239 - - -3 Sfc.Heating BL Depth - - - 2519 - - 2942 - - 4479 - - 3380 BL Depth EXPERIMENT - - - 101 - - 76 - - 31 - - 55 EXPERIMENT EXPERIMENT2 - - - 5 - - 6 - - 5 - - 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] 97459 18 239 31 255 20 277 18 262 97459 90055 12 218 17 242 21 251 25 269 90055 84442 6 244 3 262 13 226 19 270 84442 79799 3 299 4 220 8 258 6 298 79799 75800 3 000 6 232 11 275 5 338 75800 72273 8 339 6 264 9 275 12 323 72273 69082 14 331 3 234 7 245 13 289 69082 66138 13 323 2 289 10 205 13 258 66138 63378 13 293 11 273 17 222 16 234 63378 60662 17 254 22 242 20 242 14 242 60662 57802 24 234 33 229 33 264 26 264 57802 54812 29 204 41 216 44 237 32 246 54812 51930 12 237 30 223 33 244 34 259 51930 49336 49 254 44 251 47 261 47 261 49336 47027 64 246 52 252 59 252 58 256 47027 44948 59 243 54 251 61 250 62 255 44948 43057 49 248 62 250 63 252 65 254 43057 41323 46 257 64 249 65 250 67 253 41323 39720 56 261 64 250 68 246 70 253 39720 38235 64 258 61 249 66 245 75 252 38235 36856 66 257 59 254 63 253 80 251 36856 35539 63 254 67 259 72 261 86 252 35539 34210 57 251 75 257 80 262 91 251 34210 32836 51 258 75 256 82 262 92 249 32836 31418 53 265 71 255 82 262 88 248 31418 29940 54 262 67 254 75 259 80 247 29940 28394 52 260 62 251 65 254 69 242 28394 26775 47 272 59 247 62 252 63 240 26775 25078 40 270 57 248 64 251 60 241 25078 23302 39 263 56 251 65 252 55 241 23302 21450 37 258 56 255 62 253 49 241 21450 19515 38 256 53 253 57 254 45 239 19515 17493 39 255 53 253 52 258 41 237 17493 15433 42 261 55 255 52 257 32 250 15433 13452 42 265 48 265 55 253 28 257 13452 11649 38 272 40 269 48 259 30 256 11649 10045 36 281 33 273 36 261 28 258 10045 8623 30 292 22 284 19 252 20 258 8623 7363 24 296 16 303 10 269 14 266 7363 6246 23 324 16 326 10*296 10 293 6246 5260 24 335 18 333 10*292 10 316 5260 4395 23 329 12*311 10 291 11*320 4395 3630 18*315 11*284 10 290 11*319 3630 2945 16*309 11 281 10 290 11 318 2945 2338 15 307 11 279 10 290 11 317 2338 1831 15 305 10 278 10 289 10 317 1831 1442 14 304 10 277 10 289 10 317 1442 1173 13 304 10 277 9 289 10 316 1173 1010 13 304 9 277 9 289 9 316 1010 917 11 303 8 276 8 288 7 316 917 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