DrJack's BLIPSPOT for: FRI 09/04 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 - - - - - - 0953z - - 1001z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 91.6 - - 92.2 - - 85.2 Temp@2m Sfc.Heating - - - - - - 108 - - 25 - - -27 Sfc.Heating BL Depth - - - - - - 1937 - - 4118 - - 63 BL Depth Hcrit - - - - - - 1638 - - 2015 - - 903 Hcrit BL Top - - - - - - 2793 - - 4974 - - 919 BL Top Hgt.Variab. - - - - - - 3822 - - 2753 - - 3698 Hgt.Variab. W* - - - - - - 259 - - 235 - - 24 W* B/S - - - - - - 4 - - 3 - - 1 B/S BL Wind - - - - - - 11 - - 14 - - 5 BL Wind Direction - - - - - - 231 - - 243 - - 244 Direction Wind Shear - - - - - - 4 - - 6 - - 0 Wind Shear Max.Converg - - - - - - 1 - - -3 - - 0 Max.Converg CLOUDpotent - - - - - - -2318 - - -334 - - -2243 CLOUDpotentl sfcLCL - - - - - - 5111 - - 5308 - - 3162 sfcLCL ODpotential - - - - - - -4965 - - -2600 - - -5501 ODpotential blCL - - - - - - 7758 - - 7574 - - 6420 blCL maxRH - - - - - - 72 - - 81 - - 68 maxRH CAPE - - - - - - 3280 - - 3460 - - 3740 CAPE Temp@2m - - - - - - 91.6 - - 92.2 - - 85.2 Temp@2m DewPt@2m - - - - - - 72.0 - - 71.7 - - 73.9 DewPt@2m Temp@Bot - - - - - - 90.8 - - 92.2 - - 86.9 Temp@Bot DewPt@Bot - - - - - - 70.9 - - 70.7 - - 73.4 DewPt@bot Sfc.Heating - - - - - - 108 - - 25 - - -27 Sfc.Heating BL Depth - - - - - - 1937 - - 4118 - - 63 BL Depth EXPERIMENT - - - - - - 0 - - 25 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 16 - - 16 - - 19 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] 99078 4 229 4 282 7 321 99078 91604 2 278 6 284 9 358 91604 85838 1 225 5 346 7 005 85838 81066 4 085 1 054 4 040 81066 76950 6 084 5 033 6 037 76950 73317 4 043 8 049 5 028 73317 70050 8 038 7 037 8 056 70050 67052 8 360 9 025 9 017 67052 64273 2 331 6 324 9 343 64273 61595 9 013 4 328 12 293 61595 58817 20 301 20 304 17 296 58817 55954 23 276 24 278 20 288 55954 53233 42 286 38 286 33 296 53233 50787 53 270 54 273 47 287 50787 48595 58 265 52 271 52 281 48595 46607 59 271 54 273 58 279 46607 44785 58 272 54 273 58 279 44785 43098 50 274 47 278 51 279 43098 41524 44 277 44 281 46 280 41524 40047 45 276 44 277 41 277 40047 38654 48 274 42 276 36 276 38654 37305 47 273 42 281 35 279 37305 35931 43 270 44 282 38 281 35931 34502 38 267 48 275 43 277 34502 33020 39 269 51 274 49 272 33020 31469 40 271 48 274 50 275 31469 29842 32 266 40 281 48 279 29842 28139 26 265 38 284 42 279 28139 26355 28 266 37 281 35 282 26355 24490 27 264 32 273 29 287 24490 22551 25 266 30 265 26 286 22551 20531 25 272 21 272 22 288 20531 18425 23 274 17 282 17 301 18425 16281 22 276 18 299 18 301 16281 14218 22 274 20 303 16 292 14218 12337 19 269 20 299 14 290 12337 10656 14 258 17 275 16 277 10656 9157 12 262 13 250 17 267 9157 7823 11 261 14 240 18 263 7823 6637 10 250 15 238 19 258 6637 5586 11 240 15*243 20 256 5586 4658 13 239 15*244 20 255 4658 3838 14 244 15 244 19 255 3838 3101 13*243 15 244 19 254 3101 2448 12*237 14 243 18 253 2448 1902 11 232 14 243 17 252 1902 1483 11 230 13 242 15 251 1483 1195 10 229 13 241 12 248 1195 1020 10 228 12 242 10 246 1020 919 8 228 10 241 5*244 919 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