DrJack's BLIPSPOT for: WED 02/11 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 - - - - - - 37.7 - - 44.1 - - - Temp@2m Sfc.Heating - - - - - - 265 - - 149 - - - Sfc.Heating BL Depth - - - - - - 1741 - - 2768 - - - BL Depth Hcrit - - - - - - 1787 - - 2280 - - - Hcrit BL Top - - - - - - 2597 - - 3624 - - - BL Top Hgt.Variab. - - - - - - 522 - - 1349 - - - Hgt.Variab. W* - - - - - - 312 - - 301 - - - W* B/S - - - - - - 5 - - 3 - - - B/S BL Wind - - - - - - 12 - - 16 - - - BL Wind Direction - - - - - - 323 - - 310 - - - Direction Wind Shear - - - - - - 3 - - 5 - - - Wind Shear Max.Converg - - - - - - 1 - - -2 - - - Max.Converg CLOUDpotent - - - - - - -2609 - - -2120 - - - CLOUDpotentl sfcLCL - - - - - - 5206 - - 5744 - - - sfcLCL ODpotential - - - - - - -7365 - - -4887 - - - ODpotential blCL - - - - - - 9962 - - 8511 - - - blCL maxRH - - - - - - 63 - - 68 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 37.7 - - 44.1 - - - Temp@2m DewPt@2m - - - - - - 18.5 - - 22.4 - - - DewPt@2m Temp@Bot - - - - - - 36.3 - - 43.2 - - - Temp@Bot DewPt@Bot - - - - - - 18.3 - - 22.3 - - - DewPt@bot Sfc.Heating - - - - - - 265 - - 149 - - - Sfc.Heating BL Depth - - - - - - 1741 - - 2768 - - - BL Depth EXPERIMENT - - - - - - 0 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 3 - - - 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] 96156 4 334 29 006 96156 89232 20 018 20 018 89232 83782 23 006 14 033 83782 79196 16 006 9 356 79196 75206 11 337 9 336 75206 71645 13 303 18 310 71645 68411 10 331 20 299 68411 65429 14 323 21 301 65429 62649 20 299 25 292 62649 59948 27 288 31 291 59948 57116 29 296 36 289 57116 54160 41 307 44 289 54160 51335 57 287 54 291 51335 48786 59 272 61 289 48786 46490 59 276 66 285 46490 44406 65 286 74 284 44406 42507 76 287 77 287 42507 40770 81 285 78 294 40770 39163 86 289 90 299 39163 37664 92 294 105 292 37664 36262 106 290 110 284 36262 34926 115 287 100 286 34926 33590 110 282 102 296 33590 32225 110 294 124 301 32225 30824 117 299 127 298 30824 29361 116 295 119 299 29361 27821 117 287 109 295 27821 26205 115 287 107 290 26205 24509 111 294 103 291 24509 22737 106 294 96 294 22737 20892 97 295 92 296 20892 18978 85 299 84 301 18978 17001 71 303 69 307 17001 15000 57 304 57 306 15000 13080 45 308 48 304 13080 11335 40 311 39 306 11335 9783 38 314 36 312 9783 8402 36 318 34 311 8402 7176 34 323 31 319 7176 6090 32 324 33 325 6090 5129 30 325 31 325 5129 4284 29 327 26*323 4284 3540 26 329 17*311 3540 2876 20*327 17 310 2876 2289 13*323 16 310 2289 1799 12 323 16 309 1799 1422 12 322 15 309 1422 1164 11 322 15 310 1164 1006 11 322 14 309 1006 916 9 322 12 309 916 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