DrJack's BLIPSPOT for: WED 09/02 Truckee 7206ft pt35874@39.407,-120.306 SPONSORED BY: Harry Fox RUC - Last Analysis,Validation Time = 15Z 3Z ----------------------------------- VALIDATION TIME --------------------------------------- 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z ------------------------------------------------------------------------------------------- Update Time - - - 0659z - - 1001z - - 1334z - - 1600z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 47.6 - - 51.2 - - 49.5 - - 42.4 Temp@2m Sfc.Heating - - - 465 - - 569 - - 327 - - 3 Sfc.Heating BL Depth - - - 2442 - - 3156 - - 2635 - - 801 BL Depth Hcrit - - - 8851 - - 9456 - - 8906 - - 7206 Hcrit BL Top - - - 9648 - - 10363 - - 9841 - - 8008 BL Top Hgt.Variab. - - - 578 - - 680 - - 729 - - 1200 Hgt.Variab. W* - - - 445 - - 519 - - 406 - - 60 W* B/S - - - 3 - - 3 - - 3 - - 1 B/S BL Wind - - - 28 - - 31 - - 28 - - 20 BL Wind Direction - - - 232 - - 239 - - 237 - - 239 Direction Wind Shear - - - 20 - - 19 - - 18 - - 16 Wind Shear Max.Converg - - - -68 - - -74 - - -68 - - -44 Max.Converg CLOUDpotent - - - 786 - - 307 - - 533 - - 785 CLOUDpotentl sfcLCL - - - 8863 - - 10057 - - 9308 - - 7223 sfcLCL ODpotential - - - -5345 - - -5884 - - -6480 - - -5731 ODpotential blCL - - - 14993 - - 16247 - - 16321 - - 13739 blCL maxRH - - - 84 - - 78 - - 78 - - 86 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 47.6 - - 51.2 - - 49.5 - - 42.4 Temp@2m DewPt@2m - - - 33.8 - - 32.1 - - 33.7 - - 36.3 DewPt@2m Temp@Bot - - - 45.6 - - 48.8 - - 48.0 - - 42.5 Temp@Bot DewPt@Bot - - - 33.7 - - 32.0 - - 33.6 - - 36.3 DewPt@bot Sfc.Heating - - - 465 - - 569 - - 327 - - 3 Sfc.Heating BL Depth - - - 2442 - - 3156 - - 2635 - - 801 BL Depth EXPERIMENT - - - 38 - - 13 - - 10 - - 45 EXPERIMENT EXPERIMENT2 - - - 5 - - 5 - - 5 - - 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] 99031 12 110 13 096 11 115 9 109 99031 91639 13 115 11 111 6 096 12 080 91639 85897 16 098 14 101 10 089 15 075 85897 81118 16 073 8 081 10 080 14 060 81118 77002 9 049 5 096 10 065 13 065 77002 73363 4 073 3 094 7 026 11 036 73363 70061 7 302 9 006 7 033 7 020 70061 67019 7 191 10 291 4 297 1 310 67019 64197 7 292 5 199 4 273 6 267 64197 61466 24 242 24 257 23 255 15 240 61466 58606 27 226 31 229 22 233 12 241 58606 55616 24 253 22 235 26 262 31 279 55616 52780 33 270 33 270 43 271 46 271 52780 50265 45 272 47 272 49 270 53 292 50265 48048 48 267 51 281 64 289 67 289 48048 46060 43 287 65 285 74 280 69 276 46060 44242 59 287 73 281 71 278 66 276 44242 42562 62 278 73 281 68 284 68 281 42562 40994 59 281 71 288 71 291 69 287 40994 39525 59 289 75 292 78 294 73 293 39525 38153 66 297 80 293 81 294 75 295 38153 36844 67 299 80 295 82 296 77 296 36844 35534 63 300 76 298 84 297 76 294 35534 34195 58 300 69 296 83 295 75 292 34195 32834 52 297 62 291 81 293 74 290 32834 31440 43 287 56 285 78 292 73 289 31440 30005 41 283 56 280 73 292 72 289 30005 28534 41 286 58 278 66 290 70 288 28534 27030 34 284 57 279 60 283 68 287 27030 25498 30 277 51 279 60 279 65 287 25498 23946 28 269 45 277 60 279 60 288 23946 22369 28 262 41 274 54 280 56 287 22369 20759 28 258 39 270 48 280 54 286 20759 19145 30 259 37 268 43 278 49 286 19145 17606 32 262 36 266 41 276 44 284 17606 16213 33 264 34 265 39 273 40 280 16213 14970 33 265 34 264 38 269 38 275 14970 13855 35 263 36 263 38 265 37 270 13855 12849 36 260 37 260 37 262 37 267 12849 11939 38 255 35 254 37 258 37 265 11939 11115 39 248 33 244 33 250 36 261 11115 10375 36 239 34*239 31*240 34 253 10375 9708 34*235 34*239 31*237 33 244 9708 9099 33*233 34 238 30 237 32 239 9099 8551 31 232 33 239 30 236 31 238 8551 8086 29 232 32 239 28 237 29*238 8086 7722 27 232 30 239 27 237 26*239 7722 7468 24 232 27 239 24 237 22 239 7468 7313 21 232 23 239 21 237 19 239 7313 7223 13 233 15 239 13 237 10 239 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