DrJack's BLIPSPOT for: SUN 03/22 Truckee 7207ft 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 - - - - - 1601z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - - - - 12 hr FCST PERIOD Temp@2m - - - 49.4 - - 54.2 - - - - - 39.9 Temp@2m Sfc.Heating - - - -1 - - 12 - - - - - -81 Sfc.Heating BL Depth - - - 16 - - 1761 - - - - - 16 BL Depth Hcrit - - - 7207 - - 7207 - - - - - 7206 Hcrit BL Top - - - 7224 - - 8969 - - - - - 7223 BL Top Hgt.Variab. - - - 1444 - - 1648 - - - - - 75 Hgt.Variab. W* - - - 23 - - 159 - - - - - 0 W* B/S - - - 1 - - 3 - - - - - 0 B/S BL Wind - - - 4 - - 11 - - - - - 7 BL Wind Direction - - - 186 - - 235 - - - - - 251 Direction Wind Shear - - - 0 - - 8 - - - - - 0 Wind Shear Max.Converg - - - -4 - - -25 - - - - - -19 Max.Converg CLOUDpotent - - - -981 - - 300 - - - - - 0 CLOUDpotentl sfcLCL - - - 8206 - - 8669 - - - - - 7223 sfcLCL ODpotential - - - -6028 - - -4730 - - - - - -6851 ODpotential blCL - - - 13252 - - 13699 - - - - - 14074 blCL maxRH - - - 90 - - 74 - - - - - 72 maxRH CAPE - - - 0 - - 0 - - - - - 0 CAPE Temp@2m - - - 49.4 - - 54.2 - - - - - 39.9 Temp@2m DewPt@2m - - - 38.5 - - 41.1 - - - - - 35.9 DewPt@2m Temp@Bot - - - 49.9 - - 54.3 - - - - - 43.9 Temp@Bot DewPt@Bot - - - 37.2 - - 39.8 - - - - - 36.5 DewPt@bot Sfc.Heating - - - -1 - - 12 - - - - - -81 Sfc.Heating BL Depth - - - 16 - - 1761 - - - - - 16 BL Depth EXPERIMENT - - - 61 - - 0 - - - - - 0 EXPERIMENT EXPERIMENT2 - - - 6 - - 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] 96530 25 260 26 289 31 265 96530 89359 14 256 20 264 20 303 89359 83882 7 248 16 257 10 311 83882 79337 5 289 15 272 12 285 79337 75413 8 317 11 309 12 290 75413 71956 18 301 20 308 18 302 71956 68827 17 290 19 299 20 306 68827 65947 18 295 20 283 21 309 65947 63281 21 285 23 279 26 300 63281 60703 28 286 28 279 31 283 60703 57999 37 280 39 281 36 288 57999 55176 48 286 51 283 47 285 55176 52459 59 278 55 278 50 295 52459 49992 54 279 51 288 67 302 49992 47785 64 290 66 296 74 293 47785 45793 68 283 72 291 64 285 45793 43975 55 284 62 281 52 290 43975 42309 46 294 47 278 55 307 42309 40774 65 322 62 326 58 307 40774 39345 97 327 76 324 52 295 39345 38005 95 324 75 322 52 291 38005 36722 84 321 74 322 53 291 36722 35434 70 316 67 320 53 291 35434 34116 59 308 56 308 53 287 34116 32774 52 298 55 303 56 285 32774 31398 49 292 51 295 61 286 31398 29980 48 285 49 288 61 288 29980 28524 46 276 50 284 59 289 28524 27036 48 264 50 286 55 287 27036 25520 47 262 47 288 51 285 25520 23980 45 268 42 284 47 283 23980 22413 41 273 37 282 46 282 22413 20813 38 271 35 279 45 282 20813 19208 35 266 34 271 42 285 19208 17676 33 263 32 264 39 287 17676 16287 30 261 29 262 36 285 16287 15045 28 262 24 263 34 282 15045 13928 25 265 20 265 30 279 13928 12919 22 267 17 268 25 276 12919 12004 18 266 15 271 22 272 12004 11175 16 258 13 259 21 268 11175 10427 16 242 13 241 20 263 10427 9751 16 228 14 234 21 258 9751 9132 16 219 14*234 22 251 9132 8574 14 209 13*234 23 244 8574 8099 12 196 13 235 22 241 8099 7729 11 191 12 236 19 245 7729 7471 9 187 10 235 16 249 7471 7313 7*186 9 234 13*250 7313 7223 4*186 6 235 7*251 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