DrJack's BLIPSPOT for: SUN 12/21 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 - - - - - - 25.1 - - 28.7 - - - Temp@2m Sfc.Heating - - - - - - 75 - - 0 - - - Sfc.Heating BL Depth - - - - - - 975 - - 572 - - - BL Depth Hcrit - - - - - - 898 - - 899 - - - Hcrit BL Top - - - - - - 1831 - - 1428 - - - BL Top Hgt.Variab. - - - - - - 384 - - 435 - - - Hgt.Variab. W* - - - - - - 172 - - 48 - - - W* B/S - - - - - - 4 - - 1 - - - B/S BL Wind - - - - - - 9 - - 9 - - - BL Wind Direction - - - - - - 212 - - 185 - - - Direction Wind Shear - - - - - - 2 - - 3 - - - Wind Shear Max.Converg - - - - - - -1 - - -1 - - - Max.Converg CLOUDpotent - - - - - - -684 - - -821 - - - CLOUDpotentl sfcLCL - - - - - - 2515 - - 2250 - - - sfcLCL ODpotential - - - - - - -7328 - - -7139 - - - ODpotential blCL - - - - - - 9159 - - 8567 - - - blCL maxRH - - - - - - 79 - - 74 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 25.1 - - 28.7 - - - Temp@2m DewPt@2m - - - - - - 17.9 - - 22.6 - - - DewPt@2m Temp@Bot - - - - - - 24.6 - - 28.8 - - - Temp@Bot DewPt@Bot - - - - - - 16.8 - - 21.5 - - - DewPt@bot Sfc.Heating - - - - - - 75 - - 0 - - - Sfc.Heating BL Depth - - - - - - 975 - - 572 - - - BL Depth EXPERIMENT - - - - - - 17 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 2 - - - 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] 95665 46 256 47 256 95665 88701 32 259 38 264 88701 83292 27 268 27 262 83292 78786 21 275 21 257 78786 74872 17 263 22 272 74872 71373 22 276 33 270 71373 68183 29 262 38 271 68183 65241 28 260 37 276 65241 62501 31 261 43 273 62501 59818 34 264 47 270 59818 57005 41 272 46 274 57005 54075 41 278 50 282 54075 51264 54 288 61 285 51264 48734 72 285 73 286 48734 46472 76 284 84 284 46472 44422 76 284 79 284 44422 42549 76 283 74 293 42549 40832 80 282 86 298 40832 39248 78 283 106 297 39248 37771 77 287 115 293 37771 36384 79 291 109 293 36384 35050 81 296 109 298 35050 33708 86 301 127 308 33708 32322 90 302 146 313 32322 30888 91 301 148 315 30888 29390 94 298 132 314 29390 27825 99 296 110 306 27825 26202 100 294 103 301 26202 24517 93 291 101 299 24517 22767 89 289 96 297 22767 20944 87 290 91 297 20944 19043 83 291 85 296 19043 17060 77 292 80 294 17060 15040 62 291 70 294 15040 13098 43 289 55 293 13098 11343 40 290 39 289 11343 9789 36 291 35 285 9789 8407 28 290 32 281 8407 7177 23 288 28 281 7177 6085 20 286 26 275 6085 5118 20 286 23 257 5118 4266 21 282 22 248 4266 3515 22 277 20 249 3515 2846 19 263 18 247 2846 2259 12*221 15 226 2259 1775 9*212 13*197 1775 1408 9 212 11*186 1408 1156 9 211 10 185 1156 1003 8 212 9 184 1003 915 7 211 7 184 915 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