DrJack's BLIPSPOT for: WED 04/22 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 - - - - - - 73.7 - - 76.2 - - - Temp@2m Sfc.Heating - - - - - - 173 - - 284 - - - Sfc.Heating BL Depth - - - - - - 2309 - - 2552 - - - BL Depth Hcrit - - - - - - 2152 - - 2509 - - - Hcrit BL Top - - - - - - 3264 - - 3507 - - - BL Top Hgt.Variab. - - - - - - 759 - - 749 - - - Hgt.Variab. W* - - - - - - 303 - - 367 - - - W* B/S - - - - - - 3 - - 3 - - - B/S BL Wind - - - - - - 16 - - 22 - - - BL Wind Direction - - - - - - 185 - - 184 - - - Direction Wind Shear - - - - - - 5 - - 6 - - - Wind Shear Max.Converg - - - - - - -1 - - -4 - - - Max.Converg CLOUDpotent - - - - - - -950 - - -1279 - - - CLOUDpotentl sfcLCL - - - - - - 4214 - - 4786 - - - sfcLCL ODpotential - - - - - - -4742 - - -5116 - - - ODpotential blCL - - - - - - 8006 - - 8623 - - - blCL maxRH - - - - - - 100 - - 79 - - - maxRH CAPE - - - - - - 630 - - 770 - - - CAPE Temp@2m - - - - - - 73.7 - - 76.2 - - - Temp@2m DewPt@2m - - - - - - 58.5 - - 58.5 - - - DewPt@2m Temp@Bot - - - - - - 72.6 - - 74.6 - - - Temp@Bot DewPt@Bot - - - - - - 58.1 - - 58.1 - - - DewPt@bot Sfc.Heating - - - - - - 173 - - 284 - - - Sfc.Heating BL Depth - - - - - - 2309 - - 2552 - - - BL Depth EXPERIMENT - - - - - - 99 - - 16 - - - EXPERIMENT EXPERIMENT2 - - - - - - 11 - - 11 - - - 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] 97174 18 265 25 260 97174 89745 26 256 29 277 89745 84075 18 261 26 266 84075 79411 12 278 16 247 79411 75407 15 297 10 265 75407 71866 15 291 12 294 71866 68655 10 294 12 292 68655 65704 12 318 11 287 65704 62963 16 307 14 289 62963 60297 18 295 18 293 60297 57509 21 272 21 281 57509 54616 18 273 22 267 54616 51860 27 285 25 274 51860 49393 35 281 30 273 49393 47203 36 277 32 267 47203 45244 32 278 35 261 45244 43477 35 286 34 264 43477 41858 40 287 36 274 41858 40348 39 288 40 275 40348 38921 36 288 41 270 38921 37569 35 286 38 267 37569 36256 37 283 38 268 36256 34918 38 281 39 270 34918 33527 34 286 37 274 33527 32085 34 293 33 279 32085 30577 31 296 29 278 30577 28990 27 298 25 272 28990 27330 24 302 22 276 27330 25596 22 314 19 292 25596 23795 21 331 18 286 23795 21927 22 350 18 271 21927 19981 21 334 17 280 19981 17954 21 300 7 303 17954 15889 21 284 10 335 15889 13891 18 271 14 258 13891 12065 16 244 16 229 12065 10433 9 241 15 226 10433 8978 19 204 13 208 8978 7681 21 186 17 194 7681 6527 23 176 22 194 6527 5506 23 174 24 188 5506 4605 20 176 23 185 4605 3810 18*181 22*185 3810 3102 17*183 22*185 3102 2475 17 184 22 184 2475 1951 16 185 22 184 1951 1548 16 186 22 184 1548 1271 15 185 21 183 1271 1102 14 186 19 183 1102 1005 12 185 16 183 1005 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