DrJack's BLIPSPOT for: WED 01/21 Truckee 7206ft 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 - - 1333z - - 1855z Update Time FCST PERIOD 9 hr - - 9 hr - - 12 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m 33.0 - - 38.3 - - 42.5 - - 37.7 - - 33.7 Temp@2m Sfc.Heating -39 - - -31 - - -18 - - -39 - - -52 Sfc.Heating BL Depth 16 - - 16 - - 16 - - 16 - - 16 BL Depth Hcrit 7206 - - 7206 - - 7206 - - 7206 - - 7206 Hcrit BL Top 7223 - - 7223 - - 7223 - - 7223 - - 7222 BL Top Hgt.Variab. 85 - - 383 - - 1166 - - 348 - - 69 Hgt.Variab. W* 9 - - 18 - - 22 - - 16 - - 10 W* B/S 0 - - 1 - - 1 - - 1 - - 0 B/S BL Wind 6 - - 5 - - 6 - - 5 - - 6 BL Wind Direction 247 - - 235 - - 239 - - 236 - - 239 Direction Wind Shear 0 - - 0 - - 0 - - 0 - - 0 Wind Shear Max.Converg -17 - - -15 - - -12 - - -14 - - -21 Max.Converg CLOUDpotent -5305 - - -3947 - - -3327 - - -2382 - - -3693 CLOUDpotentl sfcLCL 12528 - - 11171 - - 10551 - - 9605 - - 10916 sfcLCL ODpotential -13759 - - -10138 - - -8203 - - -8271 - - -11012 ODpotential blCL 20982 - - 17361 - - 15426 - - 15494 - - 18234 blCL maxRH 82 - - 86 - - 79 - - 92 - - 89 maxRH CAPE 0 - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m 33.0 - - 38.3 - - 42.5 - - 37.7 - - 33.7 Temp@2m DewPt@2m 4.7 - - 15.4 - - 21.9 - - 21.3 - - 12.0 DewPt@2m Temp@Bot 39.5 - - 41.9 - - 44.3 - - 41.5 - - 39.2 Temp@Bot DewPt@Bot 3.7 - - 14.2 - - 20.9 - - 20.1 - - 11.1 DewPt@bot Sfc.Heating -39 - - -31 - - -18 - - -39 - - -52 Sfc.Heating BL Depth 16 - - 16 - - 16 - - 16 - - 16 BL Depth EXPERIMENT 29 - - 43 - - 17 - - 69 - - 57 EXPERIMENT EXPERIMENT2 1 - - 2 - - 3 - - 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] 95733 26 056 21 054 16 025 15 063 7 052 95733 88827 19 045 19 044 21 027 27 055 22 067 88827 83462 16 052 18 049 15 033 22 035 27 045 83462 78982 16 058 17 048 15 055 14 021 21 024 78982 75102 19 044 17 041 16 046 15 008 18 021 75102 71660 20 024 17 030 14 033 20 007 19 022 71660 68545 26 003 21 022 16 023 24 009 20 023 68545 65679 26 355 25 009 22 002 27 357 24 018 65679 63012 26 350 28 358 26 345 28 340 27 354 63012 60424 27 348 29 350 29 336 31 334 29 336 60424 57719 30 343 31 339 33 333 35 332 30 329 57719 54899 33 339 31 330 36 329 36 328 31 329 54899 52185 35 335 32 323 36 324 34 325 31 329 52185 49715 34 327 33 317 35 317 34 318 30 327 49715 47479 36 319 33 313 34 307 36 306 31 325 47479 45436 38 312 33 312 32 303 37 300 35 321 45436 43550 35 309 33 311 29 305 31 300 34 314 43550 41798 34 301 35 303 26 312 24 298 26 301 41798 40171 34 293 30 292 28 298 23 301 20 294 40171 38668 34 294 31 294 28 289 28 295 20 325 38668 37285 43 276 36 263 31 268 30 257 21 276 37285 35986 55 251 36 241 30 254 27 243 25 254 35986 34712 51 247 35 237 33 253 23 255 20 246 34712 33425 48 256 38 250 35 249 25 255 20 252 33425 32124 42 254 41 255 35 249 30 252 30 252 32124 30794 35 264 40 257 31 253 32 245 34 251 30794 29423 31 273 35 260 30 258 22 257 28 250 29423 28016 28 274 29 264 28 257 23 254 20 249 28016 26574 24 273 21 270 25 259 28 246 16 247 26574 25105 24 276 24 266 23 257 27 247 14 248 25105 23614 25 273 28 259 24 247 22 248 13 246 23614 22095 24 272 17 261 25 247 16 260 16 240 22095 20542 17 277 10 270 23 256 11 278 17 246 20542 18982 7 285 13 261 15 253 5 256 12 262 18982 17490 7 284 15 257 9 244 4 250 7 255 17490 16134 14 264 14 267 7 257 6 280 2 027 16134 14922 19 260 12 278 8 261 8 279 6 054 14922 13830 19 262 10 278 9 261 7 274 6 045 13830 12839 16 267 9 271 9 261 6 269 4 028 12839 11940 14 272 7 261 9 261 6 263 3 003 11940 11124 12 275 5 253 9 261 6 259 1 292 11124 10386 10 275 4 246 9 260 7 253 2 207 10386 9718 10 269 4 246 10 255 8 249 5 197 9718 9106 11 257 6 243 12 247 11 245 7 199 9106 8555 12 245 9 236 16 238 14 240 8 208 8555 8086 14 240 14 228 18 235 17 233 9 218 8086 7721 14 238 16 223 16 236 17 230 11 224 7721 7467 13 238 13 225 13 238 14 232 11 228 7467 7311 10*239 11*228 10*238 10*233 9 231 7311 7222 6*247 5*235 6*239 5*236 6*239 7222 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