DrJack's BLIPSPOT for: SUN 04/27 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 - - - - - - 0700z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 63.5 - - 69.4 - - 65.9 Temp@2m Sfc.Heating - - - - - - 416 - - 266 - - -8 Sfc.Heating BL Depth - - - - - - 3022 - - 4566 - - 2529 BL Depth Hcrit - - - - - - 2875 - - 3895 - - 901 Hcrit BL Top - - - - - - 3878 - - 5422 - - 3385 BL Top Hgt.Variab. - - - - - - 928 - - 989 - - 2134 Hgt.Variab. W* - - - - - - 437 - - 433 - - 71 W* B/S - - - - - - 5 - - 5 - - 1 B/S BL Wind - - - - - - 14 - - 17 - - 18 BL Wind Direction - - - - - - 165 - - 171 - - 187 Direction Wind Shear - - - - - - 4 - - 5 - - 7 Wind Shear Max.Converg - - - - - - 3 - - -3 - - -1 Max.Converg CLOUDpotent - - - - - - -4949 - - -4635 - - -4273 CLOUDpotentl sfcLCL - - - - - - 8828 - - 10057 - - 7659 sfcLCL ODpotential - - - - - - -13261 - - -11516 - - -11186 ODpotential blCL - - - - - - 17139 - - 16938 - - 14571 blCL maxRH - - - - - - 70 - - 63 - - 96 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 63.5 - - 69.4 - - 65.9 Temp@2m DewPt@2m - - - - - - 28.3 - - 28.5 - - 35.8 DewPt@2m Temp@Bot - - - - - - 61.3 - - 67.8 - - 66.2 Temp@Bot DewPt@Bot - - - - - - 27.5 - - 27.7 - - 35.5 DewPt@bot Sfc.Heating - - - - - - 416 - - 266 - - -8 Sfc.Heating BL Depth - - - - - - 3022 - - 4566 - - 2529 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 84 EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 3 - - 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] 97586 8 135 9 215 4 304 97586 90220 5 193 5 194 3 330 90220 84561 8 175 2 113 2 160 84561 79882 4 090 2 212 5 283 79882 75875 2 089 4 325 6 301 75875 72333 2 335 7 280 10 318 72333 69111 8 301 14 301 15 327 69111 66133 21 301 15 305 16 311 66133 63343 21 291 18 309 20 312 63343 60630 26 295 29 285 31 289 60630 57807 25 280 29 283 29 286 57807 54871 29 296 35 287 32 293 54871 52068 39 291 39 279 43 287 52068 49562 43 289 43 280 50 280 49562 47329 46 285 42 287 46 274 47329 45322 48 285 46 293 45 279 45322 43507 51 287 52 288 46 284 43507 41851 50 289 52 285 49 289 41851 40325 48 297 46 291 51 289 40325 38902 46 301 45 295 51 286 38902 37558 43 302 46 296 50 286 37558 36251 42 299 45 295 46 290 36251 34916 43 293 43 295 45 290 34916 33527 39 289 40 294 41 289 33527 32088 39 287 37 292 38 292 32088 30582 39 287 35 291 36 294 30582 28996 35 287 34 293 33 292 28996 27333 31 285 31 288 31 288 27333 25590 33 283 32 288 28 286 25590 23771 36 285 34 284 26 283 23771 21878 33 282 29 281 30 272 21878 19902 25 276 24 271 26 267 19902 17838 18 264 24 266 23 271 17838 15731 10 271 14 250 18 269 15731 13698 13 248 11 245 15 254 13698 11846 17 228 16 237 10 235 11846 10206 14 227 14 233 12 229 10206 8756 8 189 10 228 14 211 8756 7469 11 172 12 209 16 192 7469 6328 17 172 17*176 19 187 6328 5325 19 174 17*171 18 177 5325 4445 18*172 17 171 17 175 4445 3667 15*167 17 171 18*178 3667 2972 15 166 17 171 18*184 2972 2357 15 165 17 171 19 186 2357 1843 14 165 16 171 19 188 1843 1448 14 164 16 171 18 189 1448 1177 13 164 15 171 17 189 1177 1012 13 164 14 171 15 189 1012 918 11 164 13 171 11 189 918 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