DrJack's BLIPSPOT for: FRI 04/10 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 - - - - - - 48.4 - - 46.7 - - - Temp@2m Sfc.Heating - - - - - - 82 - - 28 - - - Sfc.Heating BL Depth - - - - - - 2500 - - 2045 - - - BL Depth Hcrit - - - - - - 1796 - - 900 - - - Hcrit BL Top - - - - - - 3356 - - 2901 - - - BL Top Hgt.Variab. - - - - - - 1310 - - 1822 - - - Hgt.Variab. W* - - - - - - 252 - - 168 - - - W* B/S - - - - - - 3 - - 3 - - - B/S BL Wind - - - - - - 15 - - 10 - - - BL Wind Direction - - - - - - 314 - - 324 - - - Direction Wind Shear - - - - - - 4 - - 3 - - - Wind Shear Max.Converg - - - - - - 1 - - -1 - - - Max.Converg CLOUDpotent - - - - - - 1143 - - 940 - - - CLOUDpotentl sfcLCL - - - - - - 2213 - - 1961 - - - sfcLCL ODpotential - - - - - - 660 - - 452 - - - ODpotential blCL - - - - - - 2696 - - 2449 - - - blCL maxRH - - - - - - 100 - - 100 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 48.4 - - 46.7 - - - Temp@2m DewPt@2m - - - - - - 42.3 - - 41.8 - - - DewPt@2m Temp@Bot - - - - - - 47.9 - - 46.5 - - - Temp@Bot DewPt@Bot - - - - - - 41.0 - - 40.6 - - - DewPt@bot Sfc.Heating - - - - - - 82 - - 28 - - - Sfc.Heating BL Depth - - - - - - 2500 - - 2045 - - - BL Depth EXPERIMENT - - - - - - 100 - - 101 - - - EXPERIMENT EXPERIMENT2 - - - - - - 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] 96906 36 264 41 257 96906 89497 45 250 33 254 89497 83853 35 254 37 258 83853 79205 32 263 38 258 79205 75202 33 257 35 272 75202 71661 31 255 41 270 71661 68463 40 273 40 262 68463 65514 43 272 37 262 65514 62763 42 265 43 275 62763 60093 45 267 45 273 60093 57297 48 263 47 267 57297 54381 46 260 52 271 54381 51607 49 272 57 269 51607 49120 49 267 55 261 49120 46883 43 260 48 259 46883 44845 43 274 49 270 44845 42990 58 282 60 279 42990 41306 72 280 72 278 41306 39770 78 273 78 276 39770 38353 79 267 82 276 38353 37026 80 265 86 276 37026 35742 81 266 88 274 35742 34431 80 265 87 274 34431 33065 77 265 85 275 33065 31645 71 264 82 276 31645 30158 65 263 78 277 30158 28594 63 265 72 277 28594 26954 65 269 65 278 26954 25233 66 272 60 280 25233 23435 65 272 56 282 23435 21564 61 271 49 282 21564 19612 57 273 41 286 19612 17569 54 278 38 290 17569 15478 54 278 37 289 15478 13456 56 276 39 287 13456 11615 54 276 41 285 11615 9985 50 278 38 286 9985 8545 41 281 33 289 8545 7277 31 287 27 293 7277 6163 26 282 14 293 6163 5185 20 285 10 291 5185 4329 15 307 10 319 4329 3574 15*311 10*322 3574 2901 16*312 11*323 2901 2306 16 314 11 324 2306 1810 16 314 10 325 1810 1429 16 314 10 325 1429 1167 15 315 10 325 1167 1008 14 314 9 325 1008 916 12 314 8 325 916 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