DrJack's BLIPSPOT for: THU 04/23 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 - - - - - - 76.9 - - 80.3 - - - Temp@2m Sfc.Heating - - - - - - 359 - - 209 - - - Sfc.Heating BL Depth - - - - - - 4694 - - 6194 - - - BL Depth Hcrit - - - - - - 4130 - - 5039 - - - Hcrit BL Top - - - - - - 5550 - - 7050 - - - BL Top Hgt.Variab. - - - - - - 1162 - - 2123 - - - Hgt.Variab. W* - - - - - - 487 - - 448 - - - W* B/S - - - - - - 4 - - 3 - - - B/S BL Wind - - - - - - 24 - - 26 - - - BL Wind Direction - - - - - - 187 - - 186 - - - Direction Wind Shear - - - - - - 8 - - 13 - - - Wind Shear Max.Converg - - - - - - -6 - - -19 - - - Max.Converg CLOUDpotent - - - - - - -444 - - 196 - - - CLOUDpotentl sfcLCL - - - - - - 5994 - - 6854 - - - sfcLCL ODpotential - - - - - - -4005 - - -668 - - - ODpotential blCL - - - - - - 9555 - - 7718 - - - blCL maxRH - - - - - - 74 - - 75 - - - maxRH CAPE - - - - - - 200 - - 350 - - - CAPE Temp@2m - - - - - - 76.9 - - 80.3 - - - Temp@2m DewPt@2m - - - - - - 53.5 - - 53.1 - - - DewPt@2m Temp@Bot - - - - - - 75.0 - - 79.2 - - - Temp@Bot DewPt@Bot - - - - - - 52.9 - - 52.6 - - - DewPt@bot Sfc.Heating - - - - - - 359 - - 209 - - - Sfc.Heating BL Depth - - - - - - 4694 - - 6194 - - - BL Depth EXPERIMENT - - - - - - 0 - - 1 - - - EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 8 - - - 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] 97196 20 223 30 253 97196 89786 19 241 21 240 89786 84135 14 244 18 240 84135 79461 9 235 15 250 79461 75436 6 269 10 252 75436 71880 9 317 4 278 71880 68656 15 316 7 338 68656 65687 15 293 12 333 65687 62928 11 288 16 322 62928 60245 10 298 19 301 60245 57438 12 308 20 287 57438 54523 12 311 17 286 54523 51747 14 290 18 297 51747 49251 22 269 24 278 49251 47028 23 255 21 255 47028 45042 29 250 28 254 45042 43260 34 242 35 242 43260 41646 34 240 38 249 41646 40145 39 234 44 258 40145 38728 39 231 40 253 38728 37383 35 235 33 247 37383 36077 29 246 28 248 36077 34747 29 256 24 252 34747 33364 32 255 23 258 33364 31930 34 249 24 262 31930 30432 30 246 24 266 30432 28856 26 239 24 269 28856 27203 23 230 25 268 27203 25475 25 223 25 255 25475 23675 26 214 27 245 23675 21804 19 215 26 242 21804 19855 15 223 22 233 19855 17823 18 229 19 225 17823 15749 20 216 20 225 15749 13746 22 210 21 229 13746 11922 25 206 24 211 11922 10300 28 199 28 209 10300 8860 30 201 30 210 8860 7581 30 201 30*207 7581 6441 27*197 28*200 6441 5428 25*190 28 194 5428 4532 25 189 27 187 4532 3739 25 188 27 184 3739 3027 24 187 26 183 3027 2397 24 187 26 182 2397 1870 24 186 25 181 1870 1465 23 185 25 180 1465 1185 22 185 24 180 1185 1016 21 185 22 180 1016 919 17 185 18 179 919 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