DrJack's BLIPSPOT for: WED 03/18 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 - - - 0654z - - 0955z - - 1001z - - 1333z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 30.2 - - 34.6 - - 37.6 - - 32.9 Temp@2m Sfc.Heating - - - 23 - - 36 - - 8 - - -9 Sfc.Heating BL Depth - - - 922 - - 989 - - 953 - - 60 BL Depth Hcrit - - - 899 - - 899 - - 900 - - 899 Hcrit BL Top - - - 1778 - - 1845 - - 1809 - - 916 BL Top Hgt.Variab. - - - 628 - - 602 - - 517 - - 753 Hgt.Variab. W* - - - 116 - - 138 - - 86 - - 0 W* B/S - - - 1 - - 2 - - 2 - - 0 B/S BL Wind - - - 16 - - 10 - - 8 - - 5 BL Wind Direction - - - 194 - - 221 - - 236 - - 224 Direction Wind Shear - - - 7 - - 3 - - 3 - - 0 Wind Shear Max.Converg - - - -1 - - -1 - - -2 - - -1 Max.Converg CLOUDpotent - - - -132 - - -440 - - -367 - - -266 CLOUDpotentl sfcLCL - - - 1910 - - 2285 - - 2176 - - 1182 sfcLCL ODpotential - - - -11215 - - -10849 - - -10098 - - -10183 ODpotential blCL - - - 12993 - - 12694 - - 11907 - - 11099 blCL maxRH - - - 98 - - 82 - - 80 - - 80 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 30.2 - - 34.6 - - 37.6 - - 32.9 Temp@2m DewPt@2m - - - 25.3 - - 28.0 - - 31.4 - - 31.2 DewPt@2m Temp@Bot - - - 30.1 - - 34.3 - - 37.7 - - 35.9 Temp@Bot DewPt@Bot - - - 24.5 - - 26.9 - - 30.6 - - 32.3 DewPt@bot Sfc.Heating - - - 23 - - 36 - - 8 - - -9 Sfc.Heating BL Depth - - - 922 - - 989 - - 953 - - 60 BL Depth EXPERIMENT - - - 92 - - 30 - - 21 - - 22 EXPERIMENT EXPERIMENT2 - - - 3 - - 3 - - 4 - - 4 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] 96576 10 225 8 311 7 279 8 286 96576 89485 5 290 5 206 7 282 5 318 89485 83997 0 179 3 187 8 261 17 315 83997 79395 6 054 5 007 4 285 11 293 79395 75408 11 359 13 326 21 338 15 358 75408 71900 16 327 15 312 25 315 19 344 71900 68717 17 336 10 311 16 294 21 326 68717 65774 22 341 23 337 18 324 30 323 65774 63031 32 328 31 330 21 332 31 319 63031 60350 32 321 37 333 35 340 31 324 60350 57525 37 326 46 327 43 330 38 320 57525 54566 45 329 46 323 50 318 45 319 54566 51727 52 327 48 324 49 317 52 326 51727 49170 53 323 49 320 51 327 57 325 49170 46881 49 319 49 322 70 326 70 325 46881 44815 50 322 54 326 69 322 79 329 44815 42928 55 326 64 323 73 326 91 330 42928 41190 60 328 68 321 90 330 103 326 41190 39588 66 330 68 329 99 328 105 321 39588 38109 74 333 81 332 97 328 104 322 38109 36736 87 338 95 334 100 332 108 325 36736 35418 97 340 104 337 106 335 110 327 35418 34085 101 339 113 339 111 335 112 328 34085 32703 99 338 116 338 110 334 114 329 32703 31274 91 336 115 336 107 331 109 329 31274 29787 78 333 111 337 105 329 98 324 29787 28227 63 327 96 337 101 329 93 317 28227 26593 52 320 75 330 90 331 90 316 26593 24885 49 315 68 325 74 330 78 324 24885 23110 47 315 59 325 63 329 58 329 23110 21270 45 318 51 322 52 325 48 324 21270 19356 45 320 49 321 39 325 43 318 19356 17364 46 321 46 321 35 315 39 311 17364 15331 48 321 43 322 39 308 38 308 15331 13366 48 320 39 321 39 310 39 311 13366 11573 46 320 38 318 37 312 39 316 11573 9976 42 317 38 315 37 313 36 323 9976 8554 39 313 37 312 36 313 33 321 8554 7290 38 309 38 309 35 313 32 318 7290 6171 28 305 39 309 35 315 35 318 6171 5183 16 289 31 308 33 318 34 321 5183 4315 14 270 19 300 29 315 31 326 4315 3553 17 243 14 286 20 303 25 327 3553 2876 21 224 14 248 14 276 18 306 2876 2283 22*207 14*229 12*248 14 279 2283 1793 19*198 11*221 10*238 11 261 1793 1418 17 193 11 221 9 236 10 248 1418 1161 16 192 10 221 8 235 8 240 1161 1005 14 192 10 221 7 234 7*231 1005 916 12 192 9 220 6 233 5*224 916 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