DrJack's BLIPSPOT for: MON 03/23 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 0653z - - 0955z - - 1000z - - 1332z - - 1854z Update Time FCST PERIOD 9 hr - - 9 hr - - 12 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m 36.5 - - 45.3 - - 48.6 - - 46.5 - - 39.4 Temp@2m Sfc.Heating -79 - - -20 - - 15 - - -41 - - -78 Sfc.Heating BL Depth 16 - - 16 - - 571 - - 16 - - 16 BL Depth Hcrit 7206 - - 7206 - - 7206 - - 7207 - - 7206 Hcrit BL Top 7223 - - 7223 - - 7778 - - 7223 - - 7223 BL Top Hgt.Variab. 187 - - 1030 - - 923 - - 1259 - - 148 Hgt.Variab. W* 17 - - 26 - - 112 - - 22 - - 4 W* B/S 0 - - 0 - - 1 - - 0 - - 0 B/S BL Wind 7 - - 11 - - 20 - - 8 - - 7 BL Wind Direction 235 - - 245 - - 244 - - 250 - - 241 Direction Wind Shear 0 - - 0 - - 14 - - 0 - - 0 Wind Shear Max.Converg -15 - - -18 - - -46 - - -17 - - -16 Max.Converg CLOUDpotent -1181 - - -1444 - - -481 - - -401 - - 0 CLOUDpotentl sfcLCL 8405 - - 8668 - - 8259 - - 7625 - - 7223 sfcLCL ODpotential -12943 - - -9885 - - -8654 - - -6848 - - -7874 ODpotential blCL 20166 - - 17108 - - 16432 - - 14071 - - 15097 blCL maxRH 76 - - 61 - - 65 - - 77 - - 81 maxRH CAPE 0 - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m 36.5 - - 45.3 - - 48.6 - - 46.5 - - 39.4 Temp@2m DewPt@2m 25.3 - - 32.6 - - 37.4 - - 38.2 - - 35.7 DewPt@2m Temp@Bot 40.0 - - 46.4 - - 48.9 - - 48.3 - - 43.1 Temp@Bot DewPt@Bot 24.1 - - 31.5 - - 36.2 - - 37.1 - - 35.9 DewPt@bot Sfc.Heating -79 - - -20 - - 15 - - -41 - - -78 Sfc.Heating BL Depth 16 - - 16 - - 571 - - 16 - - 16 BL Depth EXPERIMENT 4 - - 0 - - 0 - - 7 - - 24 EXPERIMENT EXPERIMENT2 4 - - 5 - - 5 - - 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] 96467 21 286 24 286 37 285 36 302 20 294 96467 89365 15 321 9 297 26 265 24 286 23 315 89365 83938 16 314 12 301 21 277 18 297 17 317 83938 79410 12 298 9 282 18 278 20 305 16 309 79410 75482 14 300 9 295 15 279 16 285 15 297 75482 72013 21 303 15 302 16 305 11 280 13 298 72013 68883 22 295 19 304 18 301 15 296 17 298 68883 66024 22 286 17 286 17 273 17 279 21 284 66024 63385 29 300 18 297 17 282 19 275 21 289 63385 60826 42 304 30 302 25 290 27 282 24 289 60826 58135 50 296 40 300 33 293 34 286 29 284 58135 55320 54 291 52 303 45 303 44 298 36 290 55320 52626 58 296 58 304 54 303 52 299 44 299 52626 50202 65 304 68 308 57 304 56 301 51 299 50202 48022 70 298 75 301 62 304 60 306 53 301 48022 46048 64 289 73 289 64 298 62 302 59 302 46048 44254 50 295 60 286 56 290 52 290 56 291 44254 42605 61 329 49 312 45 294 36 291 42 280 42605 41067 73 331 57 328 43 309 32 300 34 282 41067 39624 75 326 59 325 44 309 35 297 34 285 39624 38271 78 319 56 316 49 300 37 294 36 285 38271 36977 71 314 58 310 56 298 39 294 40 289 36977 35678 63 311 57 307 62 296 45 294 41 287 35678 34348 53 308 51 301 60 295 52 292 45 287 34348 32993 49 303 45 290 57 292 54 290 50 286 32993 31605 48 299 45 284 56 286 52 291 55 285 31605 30175 48 296 45 286 57 285 49 290 57 287 30175 28706 49 293 44 289 55 282 47 289 54 290 28706 27203 49 293 46 287 50 280 46 288 49 290 27203 25672 46 295 51 283 47 280 45 287 45 290 25672 24116 40 295 53 282 46 281 44 285 44 289 24116 22534 35 293 53 284 44 285 44 287 44 289 22534 20919 33 289 51 288 42 290 43 290 43 289 20919 19298 34 286 49 291 41 292 42 291 41 287 19298 17753 39 283 46 293 42 293 41 289 41 284 17753 16351 46 281 44 293 42 292 40 285 41 282 16351 15099 51 280 43 293 42 290 39 283 41 281 15099 13973 53 279 42 293 41 289 39 283 40 282 13973 12953 53 276 42 292 41 288 39 286 39 283 12953 12029 52 272 43 289 42 287 39 289 37 285 12029 11192 49 267 43 285 42 287 39 291 35 287 11192 10437 46 265 43 280 41 285 37 291 32 289 10437 9755 43 266 42 275 38 280 35 289 29 289 9755 9133 38 268 39 269 33 270 31 282 26 286 9133 8571 32 265 35 258 28 253 26 268 22 274 8571 8096 28 252 31 248 27*246 24 256 21 252 8096 7726 26 238 27 244 24*244 22 253 21 238 7726 7470 22 234 23 243 22 244 19 251 18 237 7470 7313 16*234 19*244 18 243 15*251 14*238 7313 7223 7*235 11*245 10 243 8*250 7*241 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