DrJack's BLIPSPOT for: THU 09/09 Truckee 6856ft pt35874@39.407,-120.306 SPONSORED BY: Harry Fox RUC - Last Analysis,Validation Time = 21Z 3Z ----------------------------------- VALIDATION TIME --------------------------------------- 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z ------------------------------------------------------------------------------------------- Update Time 1031z - - 1333z - - 1600z - - 1901z - - 2200z Update Time FCST PERIOD 6 hr - - 6 hr - - 6 hr - - 6 hr - - 6 hr FCST PERIOD Temp@2m 33.2 - - 49.9 - - 55.8 - - 49.4 - - 41.6 Temp@2m Sfc.Heating 56 - - 437 - - 565 - - 187 - - -17 Sfc.Heating BL Depth 190 - - 4225 - - 5217 - - 3024 - - 16 BL Depth Hcrit 6856 - - 9875 - - 10749 - - 8650 - - 6856 Hcrit BL Top 7046 - - 11081 - - 12073 - - 9880 - - 6872 BL Top Hgt.Variab. 313 - - 634 - - 623 - - 858 - - 1495 Hgt.Variab. W* 94 - - 523 - - 611 - - 353 - - 5 W* B/S 4 - - 15 - - 11 - - 5 - - 0 B/S BL Wind 4 - - 6 - - 10 - - 12 - - 3 BL Wind Direction 245 - - 296 - - 290 - - 282 - - 286 Direction Wind Shear 2 - - 8 - - 7 - - 4 - - 0 Wind Shear Max.Converg -6 - - 16 - - 16 - - -14 - - -2 Max.Converg CLOUDpotent 174 - - 548 - - 835 - - 1711 - - 0 CLOUDpotentl sfcLCL 6872 - - 10534 - - 11238 - - 8170 - - 6872 sfcLCL ODpotential -3580 - - -3154 - - -3380 - - 494 - - -3047 ODpotential blCL 10626 - - 14235 - - 15453 - - 9386 - - 9919 blCL maxRH 88 - - 85 - - 90 - - 94 - - 88 maxRH CAPE 0 - - 0 - - 1 - - 2 - - 0 CAPE Temp@2m 33.2 - - 49.9 - - 55.8 - - 49.4 - - 41.6 Temp@2m DewPt@2m 28.9 - - 27.5 - - 30.2 - - 37.2 - - 37.8 DewPt@2m Temp@Bot 32.8 - - 47.1 - - 52.3 - - 48.1 - - 41.9 Temp@Bot DewPt@Bot 28.9 - - 27.5 - - 30.2 - - 37.2 - - 37.8 DewPt@bot Sfc.Heating 56 - - 437 - - 565 - - 187 - - -17 Sfc.Heating BL Depth 190 - - 4225 - - 5217 - - 3024 - - 16 BL Depth EXPERIMENT 52 - - 41 - - 59 - - 77 - - 52 EXPERIMENT EXPERIMENT2 4 - - 4 - - 4 - - 6 - - 6 EXPERIMENT2 PROFILES OF WIND SPEED [kt] AND DIRECTION [degTrue] ----------------------------------- VALIDATION TIME --------------------------------------- Height 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z [ft] ------------------------------------------------------------------------------------------- [ft] 75612 19 261 20 291 16 271 19 269 14 273 75612 62386 17 297 11 271 19 275 28 245 26 286 62386 57054 37 280 28 292 32 293 32 301 31 295 57054 52398 33 281 38 293 37 286 34 295 32 295 52398 48655 42 291 40 294 46 297 46 300 45 291 48655 45479 47 294 51 306 56 297 47 301 45 302 45479 43570 46 295 53 301 56 296 52 308 47 307 43570 42214 45 300 53 301 54 300 53 309 50 315 42214 41237 44 307 53 302 53 306 51 310 52 323 41237 40561 47 313 52 305 53 310 51 316 57 328 40561 39918 47 314 52 307 53 316 53 321 61 329 39918 39242 48 316 52 309 54 324 55 324 64 331 39242 38326 47 318 51 311 57 329 56 325 65 333 38326 37187 47 323 50 314 55 326 54 323 65 334 37187 35886 49 328 48 319 51 324 53 328 63 334 35886 33836 53 333 50 331 54 336 52 333 57 330 33836 32830 57 335 53 337 55 341 52 333 53 332 32830 26784 59 336 59 346 54 338 48 329 49 330 26784 22532 62 337 55 338 52 326 42 326 45 332 22532 18820 62 340 50 328 45 317 34 323 38 328 18820 17520 58 339 47 328 41 316 35 327 33 326 17520 16668 53 338 44 327 38 319 35 334 30 326 16668 16276 51 339 41 325 38 326 31 326 27 326 16276 14324 46 341 39 323 35 330 27 317 27 333 14324 13358 37 330 36 323 31 329 26 319 26 337 13358 12796 35 329 31 325 24 329 24 326 21 340 12796 12309 29 327 27 319 20 322 19 333 16 347 12309 11522 22 323 21 318 17*320 11 328 10 360 11522 10988 15 315 17 322 11*325 8 329 6 039 10988 10763 10 328 13*320 6 303 7 329 6 051 10763 10541 10 340 10*302 7 298 6 328 6 058 10541 10319 10 341 9 293 7 293 7 327 6 058 10319 10100 10 342 8 289 8 291 7*317 6 058 10100 9881 10 345 8 289 9 290 8*303 6 052 9881 9664 9 345 8 290 10 288 10 294 7 046 9664 9448 9 346 8 289 11 287 11 288 8 039 9448 9234 9 347 7 288 12 286 12 286 8 034 9234 9021 8 346 7 290 12 285 12 284 8 027 9021 8809 8 343 6 293 13 285 13 283 8 016 8809 8600 8 341 6 297 13 284 13 282 7 354 8600 8391 7 336 6 299 14 283 13 282 7 329 8391 8185 7 331 5 304 14 283 13 281 8 312 8185 7980 7 324 5 305 13 284 14 280 8 304 7980 7776 7 306 4 310 12 284 13 279 9 300 7776 7573 7 302 3 312 12 284 13 278 9 299 7573 7371 7 294 3 312 12 284 13 278 8 296 7371 7171 6*253 3 314 11 283 13 277 8 294 7171 7021 5*246 3 313 10 284 12 276 6 292 7021 6922 4 244 3 315 9 284 10 276 4 289 6922 6872 3 245 2 318 9 284 8 275 3*286 6872 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 21Z - heights for other times differ slightly Results neglect thermals created by small-scale features not resolved by the smoothed model topography