DrJack's BLIPSPOT for: TUE 04/21 Ames_IA 955ft pt37194@41.911,-93.594,951ft SPONSORED BY: Silent Knights Glider Club BLIPSPOT sfc.temp. adjusted by +0.0 degF 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 - - - - - - 79.8 - - 83.9 - - - Temp@2m Sfc.Heating - - - - - - 311 - - 145 - - - Sfc.Heating BL Depth - - - - - - 2974 - - 8075 - - - BL Depth Hcrit - - - - - - 2857 - - 6345 - - - Hcrit BL Top - - - - - - 3929 - - 9030 - - - BL Top Hgt.Variab. - - - - - - 2496 - - 2503 - - - Hgt.Variab. W* - - - - - - 399 - - 436 - - - W* B/S - - - - - - 6 - - 7 - - - B/S BL Wind - - - - - - 12 - - 12 - - - BL Wind Direction - - - - - - 273 - - 285 - - - Direction Wind Shear - - - - - - 5 - - 9 - - - Wind Shear Max.Converg - - - - - - -2 - - 4 - - - Max.Converg CLOUDpotent - - - - - - -4144 - - -1678 - - - CLOUDpotentl sfcLCL - - - - - - 8073 - - 10709 - - - sfcLCL ODpotential - - - - - - -7035 - - -4222 - - - ODpotential blCL - - - - - - 10964 - - 13252 - - - blCL maxRH - - - - - - 65 - - 85 - - - maxRH CAPE - - - - - - 110 - - 0 - - - CAPE Temp@2m - - - - - - 79.8 - - 83.9 - - - Temp@2m DewPt@2m - - - - - - 47.8 - - 40.0 - - - DewPt@2m Temp@Bot - - - - - - 77.9 - - 82.7 - - - Temp@Bot DewPt@Bot - - - - - - 46.8 - - 38.8 - - - DewPt@bot Sfc.Heating - - - - - - 311 - - 145 - - - Sfc.Heating BL Depth - - - - - - 2974 - - 8075 - - - BL Depth EXPERIMENT - - - - - - 0 - - 42 - - - EXPERIMENT EXPERIMENT2 - - - - - - 6 - - 5 - - - 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] 97140 25 257 28 255 97140 89740 22 271 31 253 89740 84050 29 263 22 268 84050 79377 30 257 21 289 79377 75394 21 261 14 283 75394 71871 14 275 13 284 71871 68667 16 288 17 272 68667 65707 14 274 14 285 65707 62957 22 300 30 286 62957 60314 25 291 28 269 60314 57537 18 280 19 270 57537 54619 32 303 29 306 54619 51838 48 297 46 303 51838 49358 48 287 48 293 49358 47151 37 279 42 289 47151 45157 29 303 36 303 45157 43344 37 321 39 322 43344 41689 52 330 49 340 41689 40161 60 334 59 344 40161 38727 59 333 63 343 38727 37370 52 328 62 342 37370 36054 44 321 57 339 36054 34715 44 314 55 330 34715 33328 44 310 54 326 33328 31897 42 311 47 321 31897 30408 39 312 43 309 30408 28844 38 308 42 305 28844 27203 38 301 39 303 27203 25485 37 297 37 303 25485 23695 37 299 35 301 23695 21834 36 301 32 300 21834 19895 34 296 32 302 19895 17872 32 280 33 299 17872 15811 31 275 34 297 15811 13823 30 279 34 294 13823 12013 28 285 29 293 12013 10400 24 296 24*294 10400 8965 23 308 16*296 8965 7684 23 317 14 294 7684 6542 21 326 14 294 6542 5526 18 328 12 283 5526 4629 15*318 12 282 4629 3833 12*287 11 279 3833 3120 12 275 11 277 3120 2488 12 272 11 276 2488 1959 12 270 10 275 1959 1553 11 269 10 274 1553 1273 11 268 10 273 1273 1103 11 268 9 273 1103 1006 10 268 8 273 1006 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