DrJack's BLIPSPOT for: THU 04/30 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0700z - - 1002z - - 1332z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 49.3 - - 49.5 - - 50.3 Temp@2m Sfc.Heating - - - - - - 134 - - 42 - - -14 Sfc.Heating BL Depth - - - - - - 2804 - - 4540 - - 49 BL Depth Hcrit - - - - - - 2408 - - 2681 - - 988 Hcrit BL Top - - - - - - 3759 - - 5495 - - 1004 BL Top Hgt.Variab. - - - - - - 2767 - - 2091 - - 9099 Hgt.Variab. W* - - - - - - 303 - - 253 - - 25 W* B/S - - - - - - 4 - - 3 - - 0 B/S BL Wind - - - - - - 14 - - 18 - - 10 BL Wind Direction - - - - - - 350 - - 334 - - 339 Direction Wind Shear - - - - - - 3 - - 5 - - 0 Wind Shear Max.Converg - - - - - - -1 - - -8 - - 0 Max.Converg CLOUDpotent - - - - - - 664 - - 1142 - - -4561 CLOUDpotentl sfcLCL - - - - - - 3095 - - 4353 - - 5566 sfcLCL ODpotential - - - - - - -157 - - -177 - - -5031 ODpotential blCL - - - - - - 3916 - - 5672 - - 6035 blCL maxRH - - - - - - 100 - - 101 - - 100 maxRH CAPE - - - - - - 40 - - 0 - - 70 CAPE Temp@2m - - - - - - 49.3 - - 49.5 - - 50.3 Temp@2m DewPt@2m - - - - - - 39.3 - - 34.1 - - 29.5 DewPt@2m Temp@Bot - - - - - - 48.4 - - 49.3 - - 50.8 Temp@Bot DewPt@Bot - - - - - - 38.1 - - 32.8 - - 28.4 DewPt@bot Sfc.Heating - - - - - - 134 - - 42 - - -14 Sfc.Heating BL Depth - - - - - - 2804 - - 4540 - - 49 BL Depth EXPERIMENT - - - - - - 101 - - 102 - - 100 EXPERIMENT EXPERIMENT2 - - - - - - 5 - - 3 - - 3 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] 97339 16 254 13 273 17 262 97339 89938 11 231 15 257 12 276 89938 84295 1 263 10 268 8 273 84295 79619 5 294 10 262 15 286 79619 75616 6 235 8 238 14 270 75616 72071 1 252 7 244 12 231 72071 68824 7 274 9 265 7 249 68824 65811 16 225 13 249 13 272 65811 63002 13 233 14 263 16 265 63002 60266 17 282 18 262 19 273 60266 57390 31 283 26 275 26 272 57390 54387 34 267 33 271 33 274 54387 51520 30 259 36 274 40 279 51520 48951 34 273 44 277 46 281 48951 46658 40 279 48 276 51 280 46658 44583 45 283 50 275 55 278 44583 42685 50 283 52 275 55 276 42685 40933 56 281 55 277 56 274 40933 39302 59 277 60 277 57 275 39302 37779 60 275 64 274 62 277 37779 36355 62 275 67 273 66 278 36355 34995 64 276 70 274 69 277 34995 33633 65 276 70 273 69 278 33633 32238 68 277 70 274 70 278 32238 30811 74 277 75 277 71 276 30811 29334 76 277 80 275 71 274 29334 27796 76 276 78 273 71 273 27796 26196 77 275 71 273 68 273 26196 24529 70 278 63 275 64 273 24529 22792 58 282 53 278 61 273 22792 20983 51 281 47 280 58 272 20983 19095 45 281 43 277 55 273 19095 17122 41 285 41 274 51 275 17122 15112 37 284 37 275 44 280 15112 13179 33 282 31 275 33 282 13179 11427 34 280 25 276 26 286 11427 9884 31 280 24 277 17 309 9884 8523 28 291 21 284 17 317 8523 7309 21 306 16 313 18 325 7309 6229 17 316 17*331 19 330 6229 5269 15 318 18*334 19 335 5269 4420 13*330 18 334 20 337 4420 3668 14*347 18 334 20 340 3668 2995 14 350 18 334 21 341 2995 2399 14 350 18 335 20 341 2399 1901 14 351 18 334 19 342 1901 1519 14 352 18 334 18 341 1519 1255 14 351 17 334 16 341 1255 1095 13 351 15 334 13*340 1095 1004 11 352 12 334 10*339 1004 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