DrJack's BLIPSPOT for: FRI 09/25 Truckee 7207ft pt35874@39.407,-120.306 SPONSORED BY: Harry Fox RUC - Last Analysis,Validation Time = 18Z 3Z ----------------------------------- VALIDATION TIME --------------------------------------- 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z ------------------------------------------------------------------------------------------- Update Time - - - 0659z - - 1001z - - 1333z - - 1854z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m - - - 56.6 - - 57.6 - - 55.6 - - 47.0 Temp@2m Sfc.Heating - - - 341 - - 357 - - 213 - - -13 Sfc.Heating BL Depth - - - 3315 - - 4127 - - 3200 - - 16 BL Depth Hcrit - - - 9439 - - 10084 - - 9187 - - 7206 Hcrit BL Top - - - 10522 - - 11334 - - 10408 - - 7223 BL Top Hgt.Variab. - - - 1387 - - 1364 - - 1435 - - 1732 Hgt.Variab. W* - - - 445 - - 486 - - 376 - - 4 W* B/S - - - 3 - - 3 - - 3 - - 0 B/S BL Wind - - - 29 - - 28 - - 26 - - 5 BL Wind Direction - - - 237 - - 240 - - 241 - - 236 Direction Wind Shear - - - 23 - - 20 - - 17 - - 0 Wind Shear Max.Converg - - - -58 - - -52 - - -44 - - -7 Max.Converg CLOUDpotent - - - -140 - - 1540 - - 884 - - -1635 CLOUDpotentl sfcLCL - - - 10663 - - 9795 - - 9525 - - 8859 sfcLCL ODpotential - - - -5033 - - -1239 - - -2488 - - -9777 ODpotential blCL - - - 15555 - - 12573 - - 12896 - - 17000 blCL maxRH - - - 88 - - 87 - - 77 - - 62 maxRH CAPE - - - 0 - - 10 - - 0 - - 0 CAPE Temp@2m - - - 56.6 - - 57.6 - - 55.6 - - 47.0 Temp@2m DewPt@2m - - - 34.9 - - 39.5 - - 38.7 - - 33.3 DewPt@2m Temp@Bot - - - 55.0 - - 55.9 - - 54.5 - - 47.9 Temp@Bot DewPt@Bot - - - 34.8 - - 39.4 - - 38.7 - - 33.3 DewPt@bot Sfc.Heating - - - 341 - - 357 - - 213 - - -13 Sfc.Heating BL Depth - - - 3315 - - 4127 - - 3200 - - 16 BL Depth EXPERIMENT - - - 51 - - 46 - - 7 - - 0 EXPERIMENT EXPERIMENT2 - - - 5 - - 6 - - 6 - - 5 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] 98428 11 149 10 145 10 145 7 320 98428 91061 4 088 5 138 2 130 4 079 91061 85372 1 208 1 084 1 338 5 132 85372 80655 2 147 5 131 1 345 1 071 80655 76611 7 094 6 115 6 095 4 055 76611 73036 6 031 4 045 6 031 5 018 73036 69793 4 085 2 052 4 080 5 077 69793 66790 7 267 10 262 11 288 8 318 66790 63994 11 161 10 238 9 267 10 265 63994 61273 11 267 5 289 13 285 6 208 61273 58415 27 261 24 271 24 273 19 285 58415 55471 19 251 28 253 24 266 26 276 55471 52698 11 254 19 244 17 275 20 272 52698 50216 25 284 19 285 22 296 19 285 50216 48000 40 286 33 294 29 301 23 295 48000 45997 46 279 40 287 33 299 26 296 45997 44160 46 278 40 280 35 297 29 293 44160 42461 47 274 40 275 37 294 34 291 42461 40882 44 262 42 265 39 289 38 290 40882 39409 42 254 43 257 40 284 39 285 39409 38035 40 256 44 255 39 277 37 281 38035 36728 39 260 44 258 39 270 36 278 36728 35424 38 263 44 261 38 268 36 276 35424 34096 36 265 42 263 38 269 36 274 34096 32751 35 264 40 265 40 273 36 275 32751 31377 34 263 39 264 41 277 35 275 31377 29967 34 262 38 264 40 277 34 275 29967 28521 34 261 36 265 38 274 34 275 28521 27044 32 259 36 266 36 274 33 274 27044 25537 33 256 36 266 35 277 30 274 25537 24005 36 257 37 266 33 281 25 275 24005 22442 39 262 39 269 31 282 21 276 22442 20843 42 264 38 274 30 281 19 276 20843 19234 44 260 38 273 31 279 21 274 19234 17694 46 255 40 266 33 274 24 272 17694 16294 47 250 43 259 36 268 28 271 16294 15043 48 247 45 254 38 262 29 269 15043 13919 47 244 44 250 40 255 31 265 13919 12905 46 243 41 246 40 249 32 258 12905 11989 43 243 36*243 38 244 34 249 11989 11161 40*241 33*241 34 241 35 243 11161 10416 35*239 31 240 30*240 34 237 10416 9742 33 237 30 240 29*240 33 233 9742 9125 31 237 29 240 28 240 28 231 9125 8568 30 236 28 240 27 241 22 234 8568 8097 28 236 27 241 26 241 19 239 8097 7728 26 236 26 241 25 242 16 241 7728 7471 24 236 24 241 23 241 13 240 7471 7314 20 236 20 241 19 242 10*239 7314 7223 13 236 13 240 12 242 5*236 7223 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