DrJack's BLIPSPOT for: WED 04/22 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 - - - - - 1601z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - - - - 12 hr FCST PERIOD Temp@2m - - - 29.8 - - 32.2 - - - - - 28.2 Temp@2m Sfc.Heating - - - 179 - - 135 - - - - - -17 Sfc.Heating BL Depth - - - 2198 - - 1835 - - - - - 16 BL Depth Hcrit - - - 8409 - - 8034 - - - - - 7205 Hcrit BL Top - - - 9403 - - 9041 - - - - - 7222 BL Top Hgt.Variab. - - - 1812 - - 3530 - - - - - 1975 Hgt.Variab. W* - - - 320 - - 274 - - - - - 0 W* B/S - - - 5 - - 5 - - - - - 0 B/S BL Wind - - - 12 - - 9 - - - - - 4 BL Wind Direction - - - 256 - - 254 - - - - - 294 Direction Wind Shear - - - 6 - - 5 - - - - - 0 Wind Shear Max.Converg - - - -30 - - -12 - - - - - -6 Max.Converg CLOUDpotent - - - 2182 - - 1819 - - - - - 0 CLOUDpotentl sfcLCL - - - 7222 - - 7222 - - - - - 7222 sfcLCL ODpotential - - - 763 - - 700 - - - - - -1170 ODpotential blCL - - - 8640 - - 8341 - - - - - 8392 blCL maxRH - - - 96 - - 100 - - - - - 90 maxRH CAPE - - - 50 - - 230 - - - - - 0 CAPE Temp@2m - - - 29.8 - - 32.2 - - - - - 28.2 Temp@2m DewPt@2m - - - 24.7 - - 28.7 - - - - - 26.2 DewPt@2m Temp@Bot - - - 28.8 - - 31.3 - - - - - 29.9 Temp@Bot DewPt@Bot - - - 23.6 - - 27.6 - - - - - 26.7 DewPt@bot Sfc.Heating - - - 179 - - 135 - - - - - -17 Sfc.Heating BL Depth - - - 2198 - - 1835 - - - - - 16 BL Depth EXPERIMENT - - - 85 - - 100 - - - - - 60 EXPERIMENT EXPERIMENT2 - - - 3 - - 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] 97361 37 274 41 287 32 285 97361 90029 35 285 34 287 31 295 90029 84417 21 287 27 289 23 309 84417 79742 16 280 23 280 20 314 79742 75705 17 272 20 263 18 303 75705 72141 8 288 12 251 13 273 72141 68907 9 299 9 249 13 285 68907 65919 21 263 17 269 18 281 65919 63143 19 248 22 248 23 282 63143 60455 14 245 18 233 24 280 60455 57644 20 273 19 254 24 282 57644 54706 32 274 31 274 28 284 54706 51880 39 271 42 282 34 287 51880 49326 46 274 47 278 40 285 49326 47038 52 274 47 274 44 282 47038 44962 51 274 45 276 46 279 44962 43064 53 276 46 282 48 281 43064 41317 55 277 50 286 52 284 41317 39707 57 279 55 288 55 289 39707 38217 61 281 60 290 57 289 38217 36840 66 282 65 290 58 292 36840 35539 71 284 69 288 61 295 35539 34250 77 286 72 286 64 299 34250 32945 82 286 76 285 68 302 32945 31630 87 287 81 285 71 304 31630 30292 95 286 86 285 77 305 30292 28921 98 284 91 286 71 308 28921 27522 96 285 89 287 58 310 27522 26098 96 286 86 288 39 312 26098 24655 97 288 87 290 20 351 24655 23192 86 288 86 291 22 023 23192 21702 62 288 71 292 23 018 21702 20181 40 288 53 293 21 008 20181 18655 30 289 31 284 21 009 18655 17197 28 289 17 259 23 008 17197 15873 26 285 9 245 27 004 15873 14690 24 283 5 236 25 004 14690 13627 23 285 6 240 19 009 13627 12666 21 287 7 245 14 022 12666 11794 19 290 9 246 12 036 11794 11003 16 289 10 247 10 038 11003 10289 14 283 11 249 8 034 10289 9643 13*279 11 251 7 031 9643 9051 13*263 11*252 6 007 9051 8517 13 257 11*254 7 330 8517 8062 12 255 10 254 8 311 8062 7708 12 254 9 255 8 304 7708 7461 11 253 9 255 8 299 7461 7309 10 252 8 255 6*296 7309 7222 7 253 5 253 4*294 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