DrJack's BLIPSPOT for: SUN 04/19 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 - - - - - - 49.7 - - 53.8 - - - Temp@2m Sfc.Heating - - - - - - 351 - - 316 - - - Sfc.Heating BL Depth - - - - - - 4299 - - 5893 - - - BL Depth Hcrit - - - - - - 3905 - - 5101 - - - Hcrit BL Top - - - - - - 5254 - - 6848 - - - BL Top Hgt.Variab. - - - - - - 1918 - - 1431 - - - Hgt.Variab. W* - - - - - - 466 - - 499 - - - W* B/S - - - - - - 4 - - 5 - - - B/S BL Wind - - - - - - 23 - - 17 - - - BL Wind Direction - - - - - - 332 - - 316 - - - Direction Wind Shear - - - - - - 11 - - 7 - - - Wind Shear Max.Converg - - - - - - -1 - - -2 - - - Max.Converg CLOUDpotent - - - - - - -518 - - -1060 - - - CLOUDpotentl sfcLCL - - - - - - 5772 - - 7908 - - - sfcLCL ODpotential - - - - - - -1417 - - -5437 - - - ODpotential blCL - - - - - - 6671 - - 12285 - - - blCL maxRH - - - - - - 85 - - 76 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 49.7 - - 53.8 - - - Temp@2m DewPt@2m - - - - - - 28.1 - - 22.5 - - - DewPt@2m Temp@Bot - - - - - - 48.0 - - 52.1 - - - Temp@Bot DewPt@Bot - - - - - - 27.1 - - 21.6 - - - DewPt@bot Sfc.Heating - - - - - - 351 - - 316 - - - Sfc.Heating BL Depth - - - - - - 4299 - - 5893 - - - BL Depth EXPERIMENT - - - - - - 40 - - 3 - - - EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 2 - - - 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] 96892 23 265 18 253 96892 89556 35 252 45 267 89556 83985 34 245 42 252 83985 79367 29 259 33 244 79367 75364 26 257 27 262 75364 71812 31 258 29 255 71812 68571 25 259 20 265 68571 65560 22 282 25 272 65560 62759 30 282 30 275 62759 60047 32 268 40 274 60047 57221 36 288 41 286 57221 54288 39 281 44 281 54288 51466 42 287 43 285 51466 48906 48 295 48 294 48906 46600 52 294 52 298 46600 44506 53 293 57 299 44506 42596 55 295 61 298 42596 40843 60 296 62 298 40843 39223 64 296 65 300 39223 37724 67 298 69 302 37724 36336 71 301 75 304 36336 35018 78 302 83 306 35018 33701 83 301 86 306 33701 32349 84 301 85 305 32349 30956 84 302 83 304 30956 29502 84 302 82 303 29502 27973 82 302 80 302 27973 26369 80 303 77 303 26369 24691 78 301 75 305 24691 22942 77 300 73 304 22942 21123 75 300 71 303 21123 19226 72 303 67 302 19226 17245 69 305 62 302 17245 15223 65 307 57 302 15223 13272 61 310 52 304 13272 11499 55 308 49 305 11499 9929 53 300 43 303 9929 8544 50 299 37 301 8544 7318 45 302 25*307 7318 6233 31*314 19*314 6233 5269 26*323 19 315 5269 4420 25 325 18 316 4420 3668 23 333 18 317 3668 2995 23 335 17 317 2995 2399 22 336 17 317 2399 1901 22 337 16 317 1901 1518 21 337 16 317 1518 1255 20 338 15 317 1255 1096 19 338 14 317 1096 1004 16 338 13 317 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