DrJack's BLIPSPOT for: TUE 03/24 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 - - - 50.6 - - 55.2 - - - - - 43.1 Temp@2m Sfc.Heating - - - 11 - - 63 - - - - - -42 Sfc.Heating BL Depth - - - 398 - - 1700 - - - - - 16 BL Depth Hcrit - - - 7206 - - 7627 - - - - - 7206 Hcrit BL Top - - - 7605 - - 8907 - - - - - 7223 BL Top Hgt.Variab. - - - 1238 - - 1232 - - - - - 252 Hgt.Variab. W* - - - 96 - - 231 - - - - - 14 W* B/S - - - 2 - - 2 - - - - - 0 B/S BL Wind - - - 11 - - 18 - - - - - 5 BL Wind Direction - - - 235 - - 241 - - - - - 235 Direction Wind Shear - - - 7 - - 13 - - - - - 0 Wind Shear Max.Converg - - - -23 - - -38 - - - - - -12 Max.Converg CLOUDpotent - - - -1902 - - -1149 - - - - - -101 CLOUDpotentl sfcLCL - - - 9507 - - 10056 - - - - - 7324 sfcLCL ODpotential - - - -10237 - - -9406 - - - - - -8244 ODpotential blCL - - - 17842 - - 18313 - - - - - 15467 blCL maxRH - - - 46 - - 49 - - - - - 54 maxRH CAPE - - - 0 - - 0 - - - - - 0 CAPE Temp@2m - - - 50.6 - - 55.2 - - - - - 43.1 Temp@2m DewPt@2m - - - 34.2 - - 36.3 - - - - - 36.1 DewPt@2m Temp@Bot - - - 50.7 - - 54.8 - - - - - 45.9 Temp@Bot DewPt@Bot - - - 33.0 - - 35.0 - - - - - 35.1 DewPt@bot Sfc.Heating - - - 11 - - 63 - - - - - -42 Sfc.Heating BL Depth - - - 398 - - 1700 - - - - - 16 BL Depth EXPERIMENT - - - 0 - - 0 - - - - - 0 EXPERIMENT EXPERIMENT2 - - - 5 - - 4 - - - - - 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] 96364 25 281 37 280 24 291 96364 89232 13 285 22 276 23 295 89232 83803 18 304 18 283 16 296 83803 79270 11 316 15 286 21 297 79270 75359 1 134 10 284 22 302 75359 71921 10 323 13 286 18 316 71921 68805 10 313 10 262 16 301 68805 65946 9 310 19 245 21 268 65946 63318 16 293 18 254 21 253 63318 60782 16 281 15 267 19 254 60782 58111 18 277 25 265 25 258 58111 55307 28 267 38 261 37 262 55307 52613 41 260 46 259 47 262 52613 50179 49 263 50 256 52 257 50179 47988 51 267 50 258 53 254 47988 45992 50 271 52 256 54 255 45992 44162 49 266 55 251 59 250 44162 42476 46 250 54 246 60 241 42476 40920 43 245 53 242 55 238 40920 39476 43 240 57 239 52 239 39476 38129 46 239 61 240 51 239 38129 36843 49 244 61 242 50 237 36843 35555 52 246 62 241 50 237 35555 34238 52 244 62 237 51 236 34238 32896 52 241 64 236 52 237 32896 31518 53 241 60 237 52 240 31518 30099 53 242 56 238 52 241 30099 28642 50 243 54 243 52 240 28642 27151 47 244 51 247 52 241 27151 25627 47 245 50 248 53 246 25627 24079 49 246 50 249 53 252 24079 22504 50 249 49 252 51 254 22504 20898 49 251 47 255 48 255 20898 19287 48 251 45 259 44 258 19287 17747 47 252 43 263 41 261 17747 16347 46 253 42 266 39 264 16347 15093 44 254 41 266 38 265 15093 13964 42 253 40 264 36 264 13964 12943 40 252 39 261 34 263 12943 12020 38 250 37 257 32 259 12020 11185 36 250 35 252 31 254 11185 10433 34 250 32 249 30 250 10433 9754 31 250 28 246 29 247 9754 9134 28 250 24*244 27 246 9134 8574 25 247 21*242 25 243 8574 8099 20 242 20 242 21 241 8099 7729 16*238 19 241 18 240 7729 7471 14*236 17 241 14 239 7471 7314 11 235 14 241 11*238 7314 7223 7 235 9 239 5*235 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