DrJack's BLIPSPOT for: THU 04/09 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 - - - - - - 62.2 - - 64.4 - - - Temp@2m Sfc.Heating - - - - - - 370 - - 190 - - - Sfc.Heating BL Depth - - - - - - 2868 - - 4536 - - - BL Depth Hcrit - - - - - - 2725 - - 3709 - - - Hcrit BL Top - - - - - - 3724 - - 5392 - - - BL Top Hgt.Variab. - - - - - - 768 - - 881 - - - Hgt.Variab. W* - - - - - - 414 - - 387 - - - W* B/S - - - - - - 8 - - 6 - - - B/S BL Wind - - - - - - 9 - - 12 - - - BL Wind Direction - - - - - - 270 - - 226 - - - Direction Wind Shear - - - - - - 4 - - 2 - - - Wind Shear Max.Converg - - - - - - -3 - - 10 - - - Max.Converg CLOUDpotent - - - - - - -5487 - - -3336 - - - CLOUDpotentl sfcLCL - - - - - - 9212 - - 8729 - - - sfcLCL ODpotential - - - - - - -11441 - - -8336 - - - ODpotential blCL - - - - - - 15165 - - 13728 - - - blCL maxRH - - - - - - 63 - - 88 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 62.2 - - 64.4 - - - Temp@2m DewPt@2m - - - - - - 25.1 - - 29.4 - - - DewPt@2m Temp@Bot - - - - - - 60.2 - - 63.2 - - - Temp@Bot DewPt@Bot - - - - - - 24.0 - - 28.7 - - - DewPt@bot Sfc.Heating - - - - - - 370 - - 190 - - - Sfc.Heating BL Depth - - - - - - 2868 - - 4536 - - - BL Depth EXPERIMENT - - - - - - 0 - - 52 - - - EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 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] 96903 50 247 49 248 96903 89457 48 253 45 245 89457 83798 43 250 44 245 83798 79155 34 249 35 254 79155 75159 30 244 38 260 75159 71617 30 257 36 263 71617 68412 38 271 36 269 68412 65469 38 266 38 259 65469 62726 32 269 38 252 62726 60050 41 277 34 270 60050 57259 42 273 39 278 57259 54362 38 271 38 267 54362 51579 43 269 37 266 51579 49062 44 271 43 270 49062 46806 46 280 49 274 46806 44770 51 285 51 271 44770 42915 55 285 51 272 42915 41225 62 283 60 281 41225 39693 66 282 61 282 39693 38278 67 284 59 281 38278 36947 69 285 61 281 36947 35655 68 285 68 283 35655 34343 63 284 71 281 34343 32985 60 284 76 277 32985 31584 59 284 75 273 31584 30120 58 281 68 277 30120 28574 56 277 62 274 28574 26949 56 275 54 262 26949 25241 56 273 51 248 25241 23453 57 271 44 239 23453 21587 56 271 40 235 21587 19640 53 272 41 239 19640 17606 51 276 42 251 17606 15533 49 273 39 268 15533 13534 47 265 33 268 13534 11712 46 261 35 257 11712 10095 41 265 34 262 10095 8665 32 267 23 272 8665 7398 30 273 18 276 7398 6275 30 259 14*239 6275 5284 29 248 12*227 5284 4413 21*245 12 228 4413 3643 11*261 12 228 3643 2954 10 267 13 227 2954 2344 10 271 13 225 2344 1835 9 273 13 224 1835 1444 9 276 12 224 1444 1175 9 277 12 224 1175 1011 8 277 12 224 1011 917 8 277 10 224 917 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