DrJack's BLIPSPOT for: THU 04/02 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0953z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 55.3 - - 62.3 - - 63.2 Temp@2m Sfc.Heating - - - - - - -29 - - -19 - - -62 Sfc.Heating BL Depth - - - - - - 61 - - 62 - - 62 BL Depth Hcrit - - - - - - 901 - - 902 - - 901 Hcrit BL Top - - - - - - 917 - - 918 - - 918 BL Top Hgt.Variab. - - - - - - 506 - - 1649 - - 1853 Hgt.Variab. W* - - - - - - 0 - - 0 - - 15 W* B/S - - - - - - 0 - - 0 - - 0 B/S BL Wind - - - - - - 9 - - 15 - - 17 BL Wind Direction - - - - - - 178 - - 200 - - 191 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -1 - - -1 - - -1 Max.Converg CLOUDpotent - - - - - - 0 - - 0 - - 0 CLOUDpotentl sfcLCL - - - - - - 917 - - 918 - - 918 sfcLCL ODpotential - - - - - - -3760 - - -481 - - -1577 ODpotential blCL - - - - - - 4677 - - 1399 - - 2495 blCL maxRH - - - - - - 100 - - 100 - - 100 maxRH CAPE - - - - - - 160 - - 500 - - 940 CAPE Temp@2m - - - - - - 55.3 - - 62.3 - - 63.2 Temp@2m DewPt@2m - - - - - - 54.9 - - 61.6 - - 61.8 DewPt@2m Temp@Bot - - - - - - 56.6 - - 63.0 - - 64.8 Temp@Bot DewPt@Bot - - - - - - 56.1 - - 61.6 - - 61.7 DewPt@bot Sfc.Heating - - - - - - -29 - - -19 - - -62 Sfc.Heating BL Depth - - - - - - 61 - - 62 - - 62 BL Depth EXPERIMENT - - - - - - 101 - - 101 - - 99 EXPERIMENT EXPERIMENT2 - - - - - - 10 - - 12 - - 12 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] 96618 13 262 17 254 17 248 96618 89387 4 256 11 278 11 262 89387 83864 2 272 9 312 6 288 83864 79302 7 253 11 284 12 306 79302 75370 8 280 10 243 12 287 75370 71870 18 299 11 271 14 302 71870 68678 21 287 19 285 18 298 68678 65728 21 266 23 274 22 293 65728 62980 21 251 25 273 26 274 62980 60314 24 261 28 270 30 267 60314 57525 33 263 28 270 25 260 57525 54617 34 257 35 261 31 273 54617 51838 39 249 40 246 39 261 51838 49345 38 234 43 243 39 254 49345 47117 39 237 49 243 49 246 47117 45118 70 226 55 229 56 237 45118 43306 87 211 72 217 57 235 43306 41633 82 209 87 208 62 235 41633 40071 82 208 101 198 66 231 40071 38604 79 206 101 196 68 227 38604 37223 76 206 99 196 71 222 37223 35890 75 205 99 198 75 216 35890 34539 75 205 98 199 80 213 34539 33137 74 207 99 202 82 211 33137 31688 72 208 96 204 78 213 31688 30178 70 208 85 204 74 216 30178 28602 67 207 78 201 67 216 28602 26963 64 208 77 200 60 216 26963 25256 59 204 74 196 56 219 25256 23475 56 207 69 197 55 222 23475 21620 55 215 65 205 55 224 21620 19682 55 219 61 211 58 226 19682 17661 56 217 61 217 58 229 17661 15597 59 212 62 219 56 229 15597 13609 63 206 62 220 53 228 13609 11800 65 202 59 221 50 224 11800 10192 66 201 55 223 46 223 10192 8762 63 203 52 223 42 226 8762 7493 58 206 51 223 47 227 7493 6365 55 207 48 223 53 226 6365 5364 52 207 47 222 55 225 5364 4479 51 206 47 220 54 222 4479 3695 50 202 47 218 53 219 3695 2993 46 199 44 214 50 212 2993 2371 43 198 40 211 46 205 2371 1852 36 193 34 206 41 200 1852 1454 29 188 29 203 35 196 1454 1179 20 182 24 202 29 193 1179 1013 17 180 21*201 24*192 1013 918 9*178 15*200 17*191 918 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