DrJack's BLIPSPOT for: THU 08/27 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 - - - - - - - - - 1000z - - - Update Time FCST PERIOD - - - - - - - - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - - - - 80.0 - - - Temp@2m Sfc.Heating - - - - - - - - - 72 - - - Sfc.Heating BL Depth - - - - - - - - - 6267 - - - BL Depth Hcrit - - - - - - - - - 4580 - - - Hcrit BL Top - - - - - - - - - 7222 - - - BL Top Hgt.Variab. - - - - - - - - - 1269 - - - Hgt.Variab. W* - - - - - - - - - 341 - - - W* B/S - - - - - - - - - 9 - - - B/S BL Wind - - - - - - - - - 7 - - - BL Wind Direction - - - - - - - - - 330 - - - Direction Wind Shear - - - - - - - - - 3 - - - Wind Shear Max.Converg - - - - - - - - - -1 - - - Max.Converg CLOUDpotent - - - - - - - - - 1255 - - - CLOUDpotentl sfcLCL - - - - - - - - - 5967 - - - sfcLCL ODpotential - - - - - - - - - 232 - - - ODpotential blCL - - - - - - - - - 6990 - - - blCL maxRH - - - - - - - - - 81 - - - maxRH CAPE - - - - - - - - - 100 - - - CAPE Temp@2m - - - - - - - - - 80.0 - - - Temp@2m DewPt@2m - - - - - - - - - 57.3 - - - DewPt@2m Temp@Bot - - - - - - - - - 79.4 - - - Temp@Bot DewPt@Bot - - - - - - - - - 56.0 - - - DewPt@bot Sfc.Heating - - - - - - - - - 72 - - - Sfc.Heating BL Depth - - - - - - - - - 6267 - - - BL Depth EXPERIMENT - - - - - - - - - 26 - - - EXPERIMENT EXPERIMENT2 - - - - - - - - - 9 - - - 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] 99154 16 087 99154 91698 14 101 91698 85945 11 115 85945 81165 10 096 81165 77046 8 087 77046 73403 4 169 73403 70084 11 168 70084 67018 2 028 67018 64200 8 273 64200 61483 8 283 61483 58642 15 301 58642 55688 21 300 55688 52860 27 302 52860 50323 38 303 50323 48068 42 301 48068 46036 47 307 46036 44182 50 305 44182 42469 50 307 42469 40879 52 314 40879 39401 55 317 39401 38020 56 317 38020 36692 57 315 36692 35342 57 314 35342 33940 51 313 33940 32487 46 314 32487 30969 44 317 30969 29371 41 319 29371 27693 36 319 27693 25935 32 320 25935 24098 28 320 24098 22186 25 321 22186 20193 23 322 20193 18115 22 323 18115 15999 21 319 15999 13961 18 317 13961 12109 14 323 12109 10465 13 342 10465 9006 13 342 9006 7712 9*334 7712 6563 8*332 6563 5542 8 332 5542 4640 7 331 4640 3841 7 331 3841 3125 7 330 3125 2491 6 329 2491 1961 6 328 1961 1554 6 329 1554 1274 6 328 1274 1103 5 327 1103 1006 5 329 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