DrJack's BLIPSPOT for: FRI 04/03 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 - - - - - - 48.5 - - 52.6 - - - Temp@2m Sfc.Heating - - - - - - 148 - - 72 - - - Sfc.Heating BL Depth - - - - - - 1456 - - 1330 - - - BL Depth Hcrit - - - - - - 1397 - - 900 - - - Hcrit BL Top - - - - - - 2312 - - 2186 - - - BL Top Hgt.Variab. - - - - - - 192 - - 320 - - - Hgt.Variab. W* - - - - - - 251 - - 195 - - - W* B/S - - - - - - 15 - - 3 - - - B/S BL Wind - - - - - - 3 - - 11 - - - BL Wind Direction - - - - - - 135 - - 107 - - - Direction Wind Shear - - - - - - 2 - - 3 - - - Wind Shear Max.Converg - - - - - - 0 - - -1 - - - Max.Converg CLOUDpotent - - - - - - 827 - - 744 - - - CLOUDpotentl sfcLCL - - - - - - 1486 - - 1442 - - - sfcLCL ODpotential - - - - - - 445 - - 403 - - - ODpotential blCL - - - - - - 1867 - - 1783 - - - blCL maxRH - - - - - - 100 - - 100 - - - maxRH CAPE - - - - - - 60 - - 750 - - - CAPE Temp@2m - - - - - - 48.5 - - 52.6 - - - Temp@2m DewPt@2m - - - - - - 45.3 - - 49.5 - - - DewPt@2m Temp@Bot - - - - - - 47.6 - - 52.1 - - - Temp@Bot DewPt@Bot - - - - - - 44.0 - - 48.4 - - - DewPt@bot Sfc.Heating - - - - - - 148 - - 72 - - - Sfc.Heating BL Depth - - - - - - 1456 - - 1330 - - - BL Depth EXPERIMENT - - - - - - 100 - - 101 - - - EXPERIMENT EXPERIMENT2 - - - - - - 6 - - 7 - - - 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] 96716 18 235 27 248 96716 89487 19 248 14 265 89487 83946 8 234 20 283 83946 79371 9 270 18 268 79371 75436 1 273 9 273 75436 71940 20 299 20 301 71940 68768 19 271 22 281 68768 65843 10 291 16 269 65843 63110 24 304 19 285 63110 60439 35 279 29 284 60439 57646 29 262 28 260 57646 54744 23 253 24 252 54744 51964 24 261 31 264 51964 49461 36 262 35 265 49461 47219 41 260 45 251 47219 45202 46 255 51 248 45202 43390 59 243 58 242 43390 41750 64 237 62 239 41750 40242 68 238 63 238 40242 38830 70 237 63 238 38830 37495 69 235 67 241 37495 36195 68 236 70 242 36195 34865 66 239 67 242 34865 33479 63 238 64 242 33479 32038 57 236 61 242 32038 30529 54 239 57 244 30529 28944 54 247 54 245 28944 27286 57 257 57 243 27286 25550 59 260 60 241 25550 23736 57 260 57 244 23736 21843 52 260 50 252 21843 19871 48 250 43 253 19871 17816 38 244 38 250 17816 15727 30 243 35 247 15727 13715 34 247 35 238 13715 11878 29 242 32 222 11878 10243 27 236 29 215 10243 8790 24 239 33 219 8790 7496 22 238 34 223 7496 6345 24 237 31 219 6345 5324 25 239 26 215 5324 4424 27 233 24 212 4424 3632 24 227 21 206 3632 2930 12*207 15 184 2930 2320 4*148 12*111 2320 1819 3 138 12*108 1819 1435 3 132 11 107 1435 1170 3 127 11 107 1170 1009 3 125 10 106 1009 917 2 124 9 106 917 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