DrJack's BLIPSPOT for: SUN 04/26 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 - - - - - - 62.1 - - 67.2 - - - Temp@2m Sfc.Heating - - - - - - 418 - - 282 - - - Sfc.Heating BL Depth - - - - - - 2282 - - 3416 - - - BL Depth Hcrit - - - - - - 2317 - - 3049 - - - Hcrit BL Top - - - - - - 3138 - - 4272 - - - BL Top Hgt.Variab. - - - - - - 615 - - 1159 - - - Hgt.Variab. W* - - - - - - 400 - - 402 - - - W* B/S - - - - - - 5 - - 6 - - - B/S BL Wind - - - - - - 15 - - 12 - - - BL Wind Direction - - - - - - 108 - - 120 - - - Direction Wind Shear - - - - - - 3 - - 3 - - - Wind Shear Max.Converg - - - - - - 1 - - 1 - - - Max.Converg CLOUDpotent - - - - - - -585 - - -808 - - - CLOUDpotentl sfcLCL - - - - - - 3723 - - 5080 - - - sfcLCL ODpotential - - - - - - -4963 - - -4318 - - - ODpotential blCL - - - - - - 8101 - - 8590 - - - blCL maxRH - - - - - - 88 - - 75 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 62.1 - - 67.2 - - - Temp@2m DewPt@2m - - - - - - 49.0 - - 48.1 - - - DewPt@2m Temp@Bot - - - - - - 59.9 - - 65.5 - - - Temp@Bot DewPt@Bot - - - - - - 48.6 - - 47.7 - - - DewPt@bot Sfc.Heating - - - - - - 418 - - 282 - - - Sfc.Heating BL Depth - - - - - - 2282 - - 3416 - - - BL Depth EXPERIMENT - - - - - - 50 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 7 - - 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] 97162 24 221 23 265 97162 89781 21 243 24 254 89781 84132 17 232 19 230 84132 79471 5 207 10 238 79471 75470 3 342 6 272 75470 71941 6 297 5 276 71941 68736 10 260 10 288 68736 65776 7 284 12 286 65776 63019 10 322 14 281 63019 60332 15 300 10 276 60332 57508 15 289 18 295 57508 54557 22 283 26 269 54557 51741 22 268 34 273 51741 49212 32 280 37 273 49212 46954 35 277 39 264 46954 44921 37 274 38 260 44921 43080 40 273 45 266 43080 41403 49 275 50 268 41403 39870 57 269 54 261 39870 38458 52 265 52 261 38458 37132 48 270 49 263 37132 35844 48 273 46 262 35844 34530 48 275 47 260 34530 33163 47 276 49 258 33163 31741 45 272 47 257 31741 30253 39 261 37 258 30253 28685 36 257 32 262 28685 27039 33 253 32 262 27039 25312 30 250 29 260 25312 23510 22 249 20 255 23510 21637 21 234 15 248 21637 19691 23 222 14 246 19691 17662 26 216 16 234 17662 15593 25 207 16 221 15593 13601 24 200 20 215 13601 11788 19 191 18 206 11788 10175 11 170 17 189 10175 8739 12 159 17 182 8739 7461 15 169 15 178 7461 6327 19 163 14 184 6327 5325 19 159 12 178 5325 4445 13 148 10*151 4445 3669 13*127 11*131 3669 2973 15*111 12 124 2973 2358 15 109 12 121 2358 1844 16 107 12 118 1844 1450 15 107 12 116 1450 1177 15 106 11 115 1177 1012 14 106 11 114 1012 917 12 105 10 114 917 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