DrJack's BLIPSPOT for: THU 08/20 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 - - - - - - - - - 53 - - - Sfc.Heating BL Depth - - - - - - - - - 3589 - - - BL Depth Hcrit - - - - - - - - - 2501 - - - Hcrit BL Top - - - - - - - - - 4544 - - - BL Top Hgt.Variab. - - - - - - - - - 1594 - - - Hgt.Variab. W* - - - - - - - - - 267 - - - W* B/S - - - - - - - - - 6 - - - B/S BL Wind - - - - - - - - - 8 - - - BL Wind Direction - - - - - - - - - 182 - - - Direction Wind Shear - - - - - - - - - 3 - - - Wind Shear Max.Converg - - - - - - - - - -6 - - - Max.Converg CLOUDpotent - - - - - - - - - -908 - - - CLOUDpotentl sfcLCL - - - - - - - - - 5452 - - - sfcLCL ODpotential - - - - - - - - - -5461 - - - ODpotential blCL - - - - - - - - - 10005 - - - blCL maxRH - - - - - - - - - 64 - - - maxRH CAPE - - - - - - - - - 0 - - - CAPE Temp@2m - - - - - - - - - 80.0 - - - Temp@2m DewPt@2m - - - - - - - - - 59.5 - - - DewPt@2m Temp@Bot - - - - - - - - - 79.5 - - - Temp@Bot DewPt@Bot - - - - - - - - - 58.2 - - - DewPt@bot Sfc.Heating - - - - - - - - - 53 - - - Sfc.Heating BL Depth - - - - - - - - - 3589 - - - BL Depth EXPERIMENT - - - - - - - - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - - - - 10 - - - 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] 99382 13 115 99382 91903 13 118 91903 86121 14 110 86121 81309 14 114 81309 77153 11 105 77153 73483 8 148 73483 70152 4 074 70152 67089 14 305 67089 64273 13 245 64273 61543 8 267 61543 58692 15 288 58692 55746 20 291 55746 52950 34 300 52950 50453 40 292 50453 48229 42 291 48229 46224 51 294 46224 44405 58 294 44405 42735 62 297 42735 41176 62 295 41176 39708 61 293 39708 38320 60 291 38320 36975 59 293 36975 35606 59 296 35606 34184 58 299 34184 32710 55 300 32710 31170 48 298 31170 29553 41 299 29553 27860 40 300 27860 26085 40 300 26085 24232 39 298 24232 22305 36 297 22305 20297 31 306 20297 18204 31 317 18204 16073 25 326 16073 14026 21 324 14026 12167 17 322 12167 10513 16 315 10513 9043 12 303 9043 7735 8 299 7735 6575 6 246 6575 5548 8 198 5548 4644 9*186 4644 3844 9*184 3844 3127 8 183 3127 2492 8 182 2492 1963 8 182 1963 1555 8 181 1555 1274 7 181 1274 1104 7 180 1104 1006 6 181 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