DrJack's BLIPSPOT for: FRI 02/20 Truckee 7205ft 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 - - - 19.1 - - 26.3 - - 25.6 - - 15.5 Temp@2m Sfc.Heating - - - 71 - - 109 - - 44 - - -17 Sfc.Heating BL Depth - - - 762 - - 1618 - - 1383 - - 16 BL Depth Hcrit - - - 7204 - - 7777 - - 7205 - - 7204 Hcrit BL Top - - - 7967 - - 8823 - - 8589 - - 7221 BL Top Hgt.Variab. - - - 1021 - - 973 - - 752 - - 414 Hgt.Variab. W* - - - 165 - - 247 - - 174 - - 0 W* B/S - - - 7 - - 15 - - 4 - - 0 B/S BL Wind - - - 5 - - 3 - - 8 - - 4 BL Wind Direction - - - 266 - - 165 - - 233 - - 228 Direction Wind Shear - - - 2 - - 1 - - 3 - - 0 Wind Shear Max.Converg - - - -12 - - -3 - - -17 - - -11 Max.Converg CLOUDpotent - - - -295 - - -313 - - 1343 - - 0 CLOUDpotentl sfcLCL - - - 8262 - - 9137 - - 7247 - - 7221 sfcLCL ODpotential - - - -6955 - - -5436 - - -3066 - - -5447 ODpotential blCL - - - 14922 - - 14259 - - 11655 - - 12668 blCL maxRH - - - 64 - - 64 - - 82 - - 87 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 19.1 - - 26.3 - - 25.6 - - 15.5 Temp@2m DewPt@2m - - - 8.7 - - 11.8 - - 19.2 - - 12.8 DewPt@2m Temp@Bot - - - 18.6 - - 25.4 - - 25.1 - - 18.6 Temp@Bot DewPt@Bot - - - 7.7 - - 10.8 - - 18.1 - - 15.5 DewPt@bot Sfc.Heating - - - 71 - - 109 - - 44 - - -17 Sfc.Heating BL Depth - - - 762 - - 1618 - - 1383 - - 16 BL Depth EXPERIMENT - - - 0 - - 0 - - 29 - - 48 EXPERIMENT EXPERIMENT2 - - - 2 - - 2 - - 3 - - 2 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] 96712 24 140 18 100 22 091 30 103 96712 89565 23 119 19 115 17 102 22 102 89565 83999 18 116 15 120 15 131 12 093 83999 79342 10 099 10 134 10 128 8 120 79342 75303 5 083 10 145 7 145 2 060 75303 71716 3 024 1 116 4 146 2 251 71716 68450 4 009 4 273 6 207 8 246 68450 65426 8 288 12 291 4 262 5 225 65426 62616 13 243 15 284 15 292 8 316 62616 59906 12 278 15 284 21 298 16 320 59906 57080 22 314 25 305 29 305 24 307 57080 54135 31 303 30 302 30 299 31 296 54135 51321 36 301 37 303 37 305 39 292 51321 48781 39 302 42 305 43 303 41 288 48781 46498 44 301 46 304 45 298 39 287 46498 44422 41 302 47 302 45 297 40 294 44422 42521 43 308 50 303 47 297 46 297 42521 40772 48 305 51 300 50 295 50 296 40772 39156 49 303 50 298 53 294 51 298 39156 37659 53 307 51 297 56 297 53 304 37659 36277 60 299 51 298 57 299 59 305 36277 34982 57 292 50 301 56 296 61 304 34982 33710 54 299 47 302 52 293 58 303 33710 32432 57 310 48 304 49 292 53 298 32432 31154 61 315 56 302 49 296 46 288 31154 29861 61 314 55 305 47 299 39 289 29861 28538 59 310 51 313 42 299 36 293 28538 27180 60 305 51 321 39 298 31 294 27180 25790 60 320 47 319 38 300 33 289 25790 24371 54 332 40 318 34 299 34 284 24371 22928 42 333 32 323 28 291 27 285 22928 21461 35 328 25 326 23 285 24 276 21461 19964 33 327 20 325 19 289 22 258 19964 18467 30 330 18 323 16 294 18 247 18467 17040 27 335 17 321 14 297 14 249 17040 15744 24 339 16 319 12 295 13 258 15744 14584 22 344 14 316 10 290 13 263 14584 13539 20 350 12 315 9 282 13 263 13539 12592 17 355 10 313 9 270 12 258 12592 11731 14 358 7 311 8 256 11 251 11731 10951 12 001 5 302 8 235 12 241 10951 10245 9 004 2 273 8 218 12 229 10245 9607 7 002 3 189 8 211 13 216 9607 9021 5 348 3*176 7*214 14 207 9021 8493 4 317 3*174 8*227 15 207 8493 8045 5*277 3 169 8 233 15 214 8045 7696 5*268 3 164 8 235 14 221 7696 7454 5 266 3 161 8 235 11 225 7454 7306 4 264 3 157 7 235 8*225 7306 7221 3 263 2 155 5 235 4*228 7221 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