DrJack's BLIPSPOT for: WED 02/18 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 - - - 0952z - - 1001z - - 1333z - - 1600z Update Time FCST PERIOD - - - 9 hr - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 12.3 - - 17.6 - - 17.7 - - 13.4 Temp@2m Sfc.Heating - - - 106 - - 171 - - 51 - - -29 Sfc.Heating BL Depth - - - 1862 - - 3679 - - 931 - - 16 BL Depth Hcrit - - - 7904 - - 9469 - - 7204 - - 7204 Hcrit BL Top - - - 9066 - - 10884 - - 8136 - - 7221 BL Top Hgt.Variab. - - - 2357 - - 3008 - - 4755 - - 2117 Hgt.Variab. W* - - - 252 - - 373 - - 157 - - 0 W* B/S - - - 2 - - 2 - - 1 - - 0 B/S BL Wind - - - 21 - - 28 - - 20 - - 7 BL Wind Direction - - - 252 - - 263 - - 255 - - 256 Direction Wind Shear - - - 15 - - 18 - - 16 - - 0 Wind Shear Max.Converg - - - -53 - - -42 - - -27 - - -9 Max.Converg CLOUDpotent - - - 1846 - - 3663 - - 915 - - 0 CLOUDpotentl sfcLCL - - - 7221 - - 7221 - - 7221 - - 7221 sfcLCL ODpotential - - - 914 - - 1273 - - -103 - - -1452 ODpotential blCL - - - 8152 - - 9611 - - 8239 - - 8673 blCL maxRH - - - 99 - - 99 - - 100 - - 91 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 12.3 - - 17.6 - - 17.7 - - 13.4 Temp@2m DewPt@2m - - - 9.4 - - 12.4 - - 14.4 - - 10.8 DewPt@2m Temp@Bot - - - 11.8 - - 16.9 - - 17.4 - - 15.4 Temp@Bot DewPt@Bot - - - 8.9 - - 11.3 - - 13.9 - - 12.6 DewPt@bot Sfc.Heating - - - 106 - - 171 - - 51 - - -29 Sfc.Heating BL Depth - - - 1862 - - 3679 - - 931 - - 16 BL Depth EXPERIMENT - - - 94 - - 98 - - 99 - - 65 EXPERIMENT EXPERIMENT2 - - - 2 - - 2 - - 2 - - 2 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] 96876 25 107 19 114 20 115 24 112 96876 89677 24 110 19 108 18 096 20 106 89677 84074 19 111 14 119 16 105 17 090 84074 79412 16 105 13 106 15 110 8 086 79412 75403 11 085 11 077 13 117 6 086 75403 71845 4 067 2 054 4 101 7 087 71845 68593 1 291 1 114 3 174 0 170 68593 65578 12 244 8 235 5 227 5 268 65578 62755 12 237 13 242 16 227 15 247 62755 60003 14 256 16 251 12 252 13 264 60003 57128 16 259 17 268 18 283 15 285 57128 54133 21 284 21 287 25 280 20 287 54133 51257 29 294 27 289 27 289 29 294 51257 48662 34 293 32 299 38 292 40 289 48662 46349 30 288 44 303 40 292 44 291 46349 44266 41 303 55 299 47 305 46 303 44266 42361 57 297 59 297 58 307 59 302 42361 40604 61 293 61 300 66 303 63 297 40604 38973 58 297 66 302 68 297 70 297 38973 37456 58 301 69 301 67 295 80 288 37456 36050 59 304 68 298 67 296 78 281 36050 34725 62 308 64 300 69 296 68 281 34725 33418 69 311 61 307 68 299 62 286 33418 32100 72 312 62 310 69 304 71 290 32100 30775 73 313 61 305 72 306 82 286 30775 29434 73 314 58 302 71 306 84 283 29434 28066 73 314 57 303 66 303 80 281 28066 26676 73 314 56 305 61 302 74 282 26676 25271 74 312 57 307 58 301 68 285 25271 23857 75 314 58 310 56 301 62 290 23857 22437 79 319 61 313 54 301 57 294 22437 21005 77 325 62 315 51 302 51 298 21005 19554 69 325 60 318 50 305 46 302 19554 18105 54 314 53 319 49 306 45 306 18105 16724 43 302 46 315 45 304 44 305 16724 15470 37 299 41 306 39 301 41 300 15470 14351 33 300 36 295 34 294 38 292 14351 13344 31 298 32 288 28 275 36 279 13344 12435 30 293 31 281 29 264 37 269 12435 11607 29 283 30*276 31 261 37 263 11607 10855 28 272 30*271 31 258 37 259 10855 10174 27 263 30 265 31 256 35 257 10174 9555 26*258 30 263 31 255 34 254 9555 8987 25*255 30 261 30 255 33 252 8987 8472 23 253 29 260 28*255 31 252 8472 8034 22 252 28 260 25*255 28 253 8034 7691 20 251 27 260 22 255 24 255 7691 7452 18 250 24 259 19 256 19 256 7452 7305 15 250 20 259 16 256 15*256 7305 7221 9 249 12 259 9 257 7*256 7221 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