DrJack's BLIPSPOT for: SAT 04/18 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 - - - - - - 46.2 - - 50.3 - - - Temp@2m Sfc.Heating - - - - - - 537 - - 391 - - - Sfc.Heating BL Depth - - - - - - 5250 - - 7710 - - - BL Depth Hcrit - - - - - - 4806 - - 6645 - - - Hcrit BL Top - - - - - - 6205 - - 8665 - - - BL Top Hgt.Variab. - - - - - - 1033 - - 1488 - - - Hgt.Variab. W* - - - - - - 572 - - 585 - - - W* B/S - - - - - - 4 - - 4 - - - B/S BL Wind - - - - - - 24 - - 28 - - - BL Wind Direction - - - - - - 297 - - 290 - - - Direction Wind Shear - - - - - - 10 - - 10 - - - Wind Shear Max.Converg - - - - - - 3 - - -4 - - - Max.Converg CLOUDpotent - - - - - - -1609 - - -1590 - - - CLOUDpotentl sfcLCL - - - - - - 7815 - - 10255 - - - sfcLCL ODpotential - - - - - - -4656 - - -3949 - - - ODpotential blCL - - - - - - 10861 - - 12614 - - - blCL maxRH - - - - - - 58 - - 52 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 46.2 - - 50.3 - - - Temp@2m DewPt@2m - - - - - - 15.1 - - 8.1 - - - DewPt@2m Temp@Bot - - - - - - 43.9 - - 48.7 - - - Temp@Bot DewPt@Bot - - - - - - 14.5 - - 7.3 - - - DewPt@bot Sfc.Heating - - - - - - 537 - - 391 - - - Sfc.Heating BL Depth - - - - - - 5250 - - 7710 - - - BL Depth EXPERIMENT - - - - - - 0 - - 0 - - - EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 1 - - - 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] 96864 34 260 35 272 96864 89575 43 267 36 266 89575 84000 33 270 44 266 84000 79379 28 254 45 260 79379 75401 38 244 39 248 75401 71875 32 225 34 240 71875 68646 25 234 26 255 68646 65641 31 256 39 254 65641 62840 42 253 47 249 62840 60124 41 235 46 237 60124 57267 34 236 39 246 57267 54287 49 261 48 254 54287 51449 63 252 59 252 51449 48899 62 241 59 250 48899 46612 62 248 57 253 46612 44523 71 252 63 254 44523 42599 79 245 69 254 42599 40816 80 238 73 254 40816 39161 75 239 78 255 39161 37621 81 243 83 253 37621 36186 86 243 86 250 36186 34812 88 241 87 246 34812 33431 87 240 85 244 33431 32009 88 240 83 245 32009 30551 92 241 83 247 30551 29042 96 241 85 247 29042 27473 97 242 83 248 27473 25848 95 244 75 251 25848 24173 86 244 66 254 24173 22445 70 249 54 263 22445 20663 57 261 48 276 20663 18815 50 269 48 283 18815 16890 50 273 47 285 16890 14929 48 276 47 288 14929 13041 43 282 46 290 13041 11326 42 288 42 294 11326 9801 41 293 38*296 9801 8449 38 298 29*290 8449 7246 34*306 29 290 7246 6175 27*302 29 290 6175 5225 25 298 29 290 5225 4385 24 297 28 290 4385 3641 24 296 28 290 3641 2975 24 296 28 290 2975 2385 23 295 27 290 2385 1892 23 295 26 290 1892 1513 22 294 25 290 1513 1253 21 294 24 290 1253 1094 20 294 23 290 1094 1003 17 294 19 290 1003 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