DrJack's BLIPSPOT for: THU 12/18 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 - - - 35.0 - - 36.4 - - 34.2 - - 32.0 Temp@2m Sfc.Heating - - - -89 - - -65 - - -77 - - -105 Sfc.Heating BL Depth - - - 16 - - 16 - - 16 - - 16 BL Depth Hcrit - - - 7206 - - 7206 - - 7206 - - 7206 Hcrit BL Top - - - 7222 - - 7222 - - 7222 - - 7223 BL Top Hgt.Variab. - - - 639 - - 908 - - 906 - - 709 Hgt.Variab. W* - - - 24 - - 23 - - 16 - - 15 W* B/S - - - 0 - - 0 - - 0 - - 0 B/S BL Wind - - - 11 - - 11 - - 10 - - 12 BL Wind Direction - - - 247 - - 244 - - 240 - - 242 Direction Wind Shear - - - 0 - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - -18 - - -19 - - -17 - - -18 Max.Converg CLOUDpotent - - - -2383 - - -1265 - - 0 - - 1 CLOUDpotentl sfcLCL - - - 9606 - - 8487 - - 7222 - - 7223 sfcLCL ODpotential - - - -12900 - - -11186 - - -9903 - - -10562 ODpotential blCL - - - 20122 - - 18408 - - 17125 - - 17785 blCL maxRH - - - 66 - - 79 - - 83 - - 78 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 35.0 - - 36.4 - - 34.2 - - 32.0 Temp@2m DewPt@2m - - - 18.7 - - 24.8 - - 28.5 - - 26.9 DewPt@2m Temp@Bot - - - 37.7 - - 38.5 - - 36.6 - - 34.9 Temp@Bot DewPt@Bot - - - 17.6 - - 23.6 - - 27.9 - - 26.6 DewPt@bot Sfc.Heating - - - -89 - - -65 - - -77 - - -105 Sfc.Heating BL Depth - - - 16 - - 16 - - 16 - - 16 BL Depth EXPERIMENT - - - 0 - - 17 - - 32 - - 10 EXPERIMENT EXPERIMENT2 - - - 3 - - 4 - - 4 - - 4 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] 96241 13 090 10 046 11 066 10 081 96241 89231 17 037 8 014 11 084 8 082 89231 83770 12 028 5 282 18 360 18 079 83770 79196 12 027 6 012 9 350 8 329 79196 75251 15 320 16 327 14 340 12 352 75251 71767 17 347 20 317 19 340 21 331 71767 68624 21 334 19 313 24 311 22 315 68624 65729 19 319 15 312 16 303 21 309 65729 63018 24 316 19 321 24 297 23 294 63018 60377 34 308 33 315 23 305 32 307 60377 57629 45 313 49 312 48 311 50 301 57629 54804 58 309 66 305 64 301 59 295 54804 52125 67 304 73 299 70 293 66 292 52125 49717 72 301 76 293 73 291 68 290 49717 47563 72 296 76 289 69 291 65 292 47563 45617 67 294 68 289 63 289 64 292 45617 43839 61 296 53 290 56 286 62 289 43839 42197 56 298 43 294 51 289 59 284 42197 40669 55 303 45 300 53 293 61 279 40669 39234 57 308 51 302 53 292 64 276 39234 37886 62 310 56 301 53 290 63 277 37886 36593 65 308 57 300 56 290 60 280 36593 35298 64 304 55 298 60 291 57 282 35298 33972 60 301 53 296 62 290 57 282 33972 32623 57 300 55 294 61 289 58 282 32623 31241 58 299 60 294 60 288 60 282 31241 29823 61 298 64 294 60 287 63 283 29823 28372 66 298 65 294 64 286 64 284 28372 26889 69 297 64 293 68 287 66 284 26889 25379 70 297 64 291 71 287 66 285 25379 23845 68 297 67 291 72 288 68 284 23845 22283 67 298 70 292 73 288 70 282 22283 20691 65 297 69 292 73 286 72 281 20691 19093 63 295 66 290 73 285 73 280 19093 17569 62 293 63 287 73 283 73 280 17569 16186 61 291 63 286 72 282 73 279 16186 14952 60 290 62 285 70 282 72 279 14952 13841 59 289 60 284 68 282 71 278 13841 12837 57 288 58 282 65 282 69 278 12837 11927 55 286 55 279 61 280 66 276 11927 11103 53 283 52 275 56 275 62 273 11103 10362 51 279 49 271 51 270 59 268 10362 9694 48 274 45 267 46 264 56 262 9694 9085 45 269 42 262 42 257 52 254 9085 8538 41 262 38 254 38 248 49 247 8538 8075 37 254 33 247 35 242 45 242 8075 7714 31 248 29 244 30 240 38 241 7714 7464 26 246 25 244 24 240 31 242 7464 7310 21 246 20*244 19 240 24*242 7310 7223 11*247 11*244 10*240 12*242 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