DrJack's BLIPSPOT for: WED 12/17 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 - - - 0659z - - 1002z - - - - - 1853z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - - - - 9 hr FCST PERIOD Temp@2m - - - 40.0 - - 39.8 - - - - - 33.9 Temp@2m Sfc.Heating - - - 0 - - 85 - - - - - -71 Sfc.Heating BL Depth - - - 16 - - 1081 - - - - - 16 BL Depth Hcrit - - - 7206 - - 7206 - - - - - 7206 Hcrit BL Top - - - 7223 - - 8288 - - - - - 7222 BL Top Hgt.Variab. - - - 1554 - - 596 - - - - - 383 Hgt.Variab. W* - - - 0 - - 202 - - - - - 14 W* B/S - - - 0 - - 1 - - - - - 0 B/S BL Wind - - - 14 - - 28 - - - - - 8 BL Wind Direction - - - 260 - - 259 - - - - - 256 Direction Wind Shear - - - 0 - - 20 - - - - - 0 Wind Shear Max.Converg - - - -23 - - -69 - - - - - -16 Max.Converg CLOUDpotent - - - 0 - - 1066 - - - - - 0 CLOUDpotentl sfcLCL - - - 7223 - - 7223 - - - - - 7222 sfcLCL ODpotential - - - -340 - - -6039 - - - - - -8629 ODpotential blCL - - - 7563 - - 14327 - - - - - 15851 blCL maxRH - - - 100 - - 77 - - - - - 86 maxRH CAPE - - - 0 - - 0 - - - - - 0 CAPE Temp@2m - - - 40.0 - - 39.8 - - - - - 33.9 Temp@2m DewPt@2m - - - 39.6 - - 34.1 - - - - - 28.9 DewPt@2m Temp@Bot - - - 40.2 - - 39.5 - - - - - 36.6 Temp@Bot DewPt@Bot - - - 39.8 - - 33.0 - - - - - 28.3 DewPt@bot Sfc.Heating - - - 0 - - 85 - - - - - -71 Sfc.Heating BL Depth - - - 16 - - 1081 - - - - - 16 BL Depth EXPERIMENT - - - 99 - - 7 - - - - - 43 EXPERIMENT EXPERIMENT2 - - - 7 - - 5 - - - - - 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] 96342 15 042 12 062 3 049 96342 89312 17 031 13 034 12 038 89312 83866 16 335 13 337 7 006 83866 79310 12 323 13 302 13 065 79310 75332 14 342 20 307 29 344 75332 71818 15 320 16 305 33 307 71818 68659 10 283 4 334 15 291 68659 65732 24 322 22 323 16 341 65732 62988 47 288 43 297 39 318 62988 60358 50 261 49 285 52 304 60358 57639 43 271 52 281 56 294 57639 54810 48 288 61 281 59 293 54810 52101 65 291 76 290 73 298 52101 49664 74 286 86 291 82 300 49664 47482 76 284 92 291 88 305 47482 45508 82 291 101 292 94 300 45508 43710 102 293 102 292 94 296 43710 42064 119 290 94 294 80 295 42064 40537 114 285 84 295 62 294 40537 39104 97 299 65 300 57 322 39104 37761 99 318 62 311 73 324 37761 36484 112 324 69 314 83 321 36484 35208 119 322 78 314 82 318 35208 33904 118 319 89 315 77 318 33904 32576 112 317 98 315 73 318 32576 31214 103 314 101 314 71 317 31214 29810 95 308 93 314 70 315 29810 28368 88 300 81 313 69 313 28368 26892 81 299 72 314 68 311 26892 25386 77 302 69 311 68 311 25386 23856 76 304 70 306 68 310 23856 22298 77 302 72 303 68 310 22298 20706 74 299 71 303 66 310 20706 19107 72 295 67 303 63 311 19107 17579 70 291 63 302 61 312 17579 16194 69 288 61 301 62 312 16194 14957 67 285 61 301 64 312 14957 13846 65 280 61 299 64 313 13846 12842 61 275 60 297 62 313 12842 11934 57 270 59 295 59 313 11934 11113 55 267 56 291 56 311 11113 10374 53 266 53 287 53 306 10374 9707 52 265 48 282 49 301 9707 9096 51 264 41 274 45 293 9096 8546 48 262 36*264 37 285 8546 8079 43 260 33*261 32 274 8079 7717 38 259 31 259 26 261 7717 7465 32 259 27 259 21 257 7465 7311 26*259 23 259 16 256 7311 7222 14*260 13 259 8*256 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