DrJack's BLIPSPOT for: SUN 09/13 Truckee 7207ft 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 - - - - - - 0959z - - 1333z - - 1854z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m - - - - - - 57.5 - - 55.0 - - 46.9 Temp@2m Sfc.Heating - - - - - - 519 - - 252 - - -12 Sfc.Heating BL Depth - - - - - - 3225 - - 2290 - - 16 BL Depth Hcrit - - - - - - 9490 - - 8574 - - 7206 Hcrit BL Top - - - - - - 10432 - - 9497 - - 7223 BL Top Hgt.Variab. - - - - - - 879 - - 969 - - 1228 Hgt.Variab. W* - - - - - - 508 - - 356 - - 5 W* B/S - - - - - - 4 - - 4 - - 0 B/S BL Wind - - - - - - 23 - - 16 - - 3 BL Wind Direction - - - - - - 244 - - 259 - - 287 Direction Wind Shear - - - - - - 12 - - 8 - - 0 Wind Shear Max.Converg - - - - - - -44 - - -38 - - -8 Max.Converg CLOUDpotent - - - - - - -5444 - - -4885 - - -3644 CLOUDpotentl sfcLCL - - - - - - 15877 - - 14382 - - 10868 sfcLCL ODpotential - - - - - - -14568 - - -13421 - - -11879 ODpotential blCL - - - - - - 25000 - - 22918 - - 19102 blCL maxRH - - - - - - 24 - - 30 - - 39 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 57.5 - - 55.0 - - 46.9 Temp@2m DewPt@2m - - - - - - 13.2 - - 17.4 - - 24.8 DewPt@2m Temp@Bot - - - - - - 55.1 - - 53.6 - - 48.5 Temp@Bot DewPt@Bot - - - - - - 12.7 - - 17.1 - - 24.7 DewPt@bot Sfc.Heating - - - - - - 519 - - 252 - - -12 Sfc.Heating BL Depth - - - - - - 3225 - - 2290 - - 16 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 3 - - 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] 98834 10 243 9 288 9 273 98834 91386 8 230 7 249 9 274 91386 85608 10 256 9 245 8 268 85608 80817 5 271 7 219 7 240 80817 76699 8 274 6 258 5 302 76699 73080 5 269 0 074 6 030 73080 69814 6 343 5 325 7 354 69814 66817 1 254 4 208 4 073 66817 64039 10 249 11 301 9 346 64039 61365 18 255 12 266 15 263 61365 58595 9 249 17 275 15 262 58595 55710 27 263 33 271 26 275 55710 52945 45 259 46 272 39 272 52945 50457 52 260 51 269 46 268 50457 48229 53 264 52 267 51 269 48229 46209 58 266 54 268 53 270 46209 44353 63 264 55 268 54 270 44353 42637 66 262 57 269 55 272 42637 41042 67 261 60 269 56 273 41042 39557 69 261 61 268 59 273 39557 38174 70 260 62 269 61 271 38174 36859 71 260 65 270 62 271 36859 35549 71 261 67 271 65 273 35549 34214 71 262 69 274 66 274 34214 32859 71 264 69 274 65 276 32859 31470 70 265 66 272 64 277 31470 30041 69 265 63 271 61 276 30041 28575 68 264 62 271 59 275 28575 27076 68 265 62 271 58 276 27076 25546 67 266 62 270 57 278 25546 23992 65 267 60 270 55 279 23992 22412 61 267 57 272 48 280 22412 20806 57 267 51 276 39 282 20806 19198 52 268 44 279 32 289 19198 17664 48 268 38 280 27 296 17664 16273 44 268 35 280 22 303 16273 15030 40 269 33 282 19 306 15030 13913 37 269 29 286 16 305 13913 12904 33 268 26 290 14 306 12904 11989 29 262 24 289 11 312 11989 11163 25*251 21 277 9 320 11163 10417 24*245 19 264 9 320 10417 9743 24 244 18*260 8 307 9743 9126 24 244 17*259 8 293 9126 8569 24 244 17 259 8 284 8569 8096 23 244 17 259 8 286 8096 7728 22 244 16 258 8 287 7728 7471 20 244 15 259 7 288 7471 7314 18 244 13 258 6*288 7314 7223 12 244 9 258 3*287 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