DrJack's BLIPSPOT for: THU 04/25 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 - - - 0952z - - 1000z - - 1553z - - 1854z Update Time FCST PERIOD - - - 9 hr - - 12 hr - - 9 hr - - 9 hr FCST PERIOD Temp@2m - - - 39.0 - - 39.7 - - 37.4 - - 33.8 Temp@2m Sfc.Heating - - - 110 - - 115 - - 55 - - 0 Sfc.Heating BL Depth - - - 1890 - - 2264 - - 1788 - - 16 BL Depth Hcrit - - - 7996 - - 8276 - - 7206 - - 7206 Hcrit BL Top - - - 9097 - - 9470 - - 8993 - - 7222 BL Top Hgt.Variab. - - - 919 - - 1690 - - 1232 - - 1523 Hgt.Variab. W* - - - 263 - - 282 - - 206 - - 10 W* B/S - - - 4 - - 4 - - 2 - - 0 B/S BL Wind - - - 11 - - 13 - - 16 - - 7 BL Wind Direction - - - 251 - - 270 - - 259 - - 243 Direction Wind Shear - - - 5 - - 7 - - 10 - - 0 Wind Shear Max.Converg - - - -25 - - -33 - - -43 - - -13 Max.Converg CLOUDpotent - - - 1875 - - 2248 - - 1771 - - 0 CLOUDpotentl sfcLCL - - - 7223 - - 7223 - - 7222 - - 7222 sfcLCL ODpotential - - - -1774 - - 595 - - 340 - - -384 ODpotential blCL - - - 10871 - - 8875 - - 8653 - - 7606 blCL maxRH - - - 87 - - 95 - - 97 - - 100 maxRH CAPE - - - 0 - - 0 - - 0 - - 10 CAPE Temp@2m - - - 39.0 - - 39.7 - - 37.4 - - 33.8 Temp@2m DewPt@2m - - - 32.5 - - 34.8 - - 33.1 - - 33.2 DewPt@2m Temp@Bot - - - 38.2 - - 39.0 - - 37.1 - - 33.9 Temp@Bot DewPt@Bot - - - 31.3 - - 33.6 - - 32.3 - - 33.3 DewPt@bot Sfc.Heating - - - 110 - - 115 - - 55 - - 0 Sfc.Heating BL Depth - - - 1890 - - 2264 - - 1788 - - 16 BL Depth EXPERIMENT - - - 50 - - 81 - - 86 - - 101 EXPERIMENT EXPERIMENT2 - - - 4 - - 5 - - 5 - - 5 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] 98037 25 279 29 290 26 289 25 289 98037 90622 11 264 17 289 19 311 12 322 90622 84921 5 184 6 259 13 305 13 004 84921 80198 5 115 8 171 6 264 11 353 80198 76134 1 102 3 194 1 280 7 350 76134 72548 3 264 5 246 4 296 7 340 72548 69290 8 259 7 254 8 266 9 288 69290 66279 17 249 10 248 9 244 8 270 66279 63464 19 240 20 245 15 259 16 273 63464 60725 21 243 25 246 22 257 23 264 60725 57858 23 253 25 252 19 264 22 265 57858 54864 25 261 26 260 26 277 27 278 54864 51996 26 266 29 269 30 283 29 291 51996 49421 27 282 33 287 35 291 31 294 49421 47122 27 289 37 286 35 295 37 299 47122 45047 27 290 32 293 42 301 45 298 45047 43159 27 312 40 303 49 299 50 293 43159 41432 40 316 39 304 51 303 52 289 41432 39848 47 321 44 318 66 310 56 300 39848 38386 57 323 69 317 73 309 76 302 38386 37023 62 322 71 311 78 304 92 296 37023 35724 63 323 68 314 77 303 86 289 35724 34431 66 326 72 318 80 305 76 284 34431 33128 66 326 70 315 80 306 68 282 33128 31822 62 324 69 312 73 305 61 286 31822 30492 59 322 69 314 66 302 57 288 30492 29122 58 323 66 317 63 301 55 288 29122 27719 52 324 59 319 58 302 52 289 27719 26284 40 323 50 321 53 305 44 292 26284 24822 35 312 43 319 45 306 38 291 24822 23341 30 309 37 309 39 305 37 290 23341 21834 26 315 26 298 37 306 38 291 21834 20294 24 319 24 292 33 302 37 290 20294 18750 20 323 24 291 25 298 29 289 18750 17284 16 324 22 288 23 300 27 290 17284 15956 15 312 20 288 22 301 27 290 15956 14767 14 298 18 291 22 299 25 287 14767 13694 13 295 17 292 23 297 22 286 13694 12722 13 300 15 294 23 296 18 288 12722 11841 12 299 12 295 22 294 16 285 11841 11042 11 282 12 291 22 288 16 271 11042 10321 11 255 13 287 21 278 19 257 10321 9668 12*249 14*279 20 266 22 250 9668 9070 12*250 15*274 19*261 23 246 9070 8530 12 251 15 271 19*260 23 244 8530 8071 12 251 14 269 18 259 22 244 8071 7713 12 251 14 268 17 259 19 244 7713 7463 11 251 13 267 15 258 16 243 7463 7310 10 252 11 267 13 258 13*243 7310 7222 7 251 8 266 8 258 7*243 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