DrJack's BLIPSPOT for: TUE 04/28 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 0653z - - 0955z - - 1000z - - 1333z - - 1855z Update Time FCST PERIOD 9 hr - - 9 hr - - 12 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m 32.0 - - 40.6 - - 44.0 - - 42.3 - - 38.0 Temp@2m Sfc.Heating 5 - - 125 - - 140 - - 85 - - -4 Sfc.Heating BL Depth 16 - - 3898 - - 4414 - - 2857 - - 16 BL Depth Hcrit 7205 - - 9500 - - 9958 - - 8512 - - 7206 Hcrit BL Top 7222 - - 11104 - - 11621 - - 10064 - - 7223 BL Top Hgt.Variab. 1266 - - 2692 - - 4578 - - 2708 - - 2957 Hgt.Variab. W* 20 - - 349 - - 381 - - 276 - - 10 W* B/S 2 - - 14 - - 18 - - 8 - - 1 B/S BL Wind 2 - - 4 - - 4 - - 6 - - 3 BL Wind Direction 042 - - 143 - - 232 - - 308 - - 329 Direction Wind Shear 0 - - 0 - - 4 - - 4 - - 0 Wind Shear Max.Converg -2 - - -7 - - -23 - - -9 - - -3 Max.Converg CLOUDpotent -193 - - 2047 - - 1649 - - 2162 - - 1 CLOUDpotentl sfcLCL 7415 - - 9058 - - 9972 - - 7902 - - 7223 sfcLCL ODpotential -3321 - - -1120 - - -1239 - - 95 - - -762 ODpotential blCL 10543 - - 12224 - - 12860 - - 9969 - - 7985 blCL maxRH 67 - - 66 - - 87 - - 89 - - 95 maxRH CAPE 0 - - 40 - - 130 - - 280 - - 150 CAPE Temp@2m 32.0 - - 40.6 - - 44.0 - - 42.3 - - 38.0 Temp@2m DewPt@2m 24.9 - - 26.2 - - 25.6 - - 32.9 - - 35.5 DewPt@2m Temp@Bot 32.4 - - 39.7 - - 43.0 - - 41.7 - - 38.3 Temp@Bot DewPt@Bot 23.9 - - 25.0 - - 24.5 - - 31.8 - - 35.1 DewPt@bot Sfc.Heating 5 - - 125 - - 140 - - 85 - - -4 Sfc.Heating BL Depth 16 - - 3898 - - 4414 - - 2857 - - 16 BL Depth EXPERIMENT 0 - - 0 - - 49 - - 55 - - 81 EXPERIMENT EXPERIMENT2 4 - - 3 - - 3 - - 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] 97547 21 297 24 293 25 298 21 297 23 309 97547 90201 21 296 20 294 22 297 22 299 28 309 90201 84565 15 296 14 287 21 283 20 294 22 310 84565 79894 17 296 13 289 16 270 19 289 17 295 79894 75871 19 278 18 273 17 261 18 285 15 281 75871 72303 19 270 21 257 20 255 16 280 14 262 72303 69038 19 268 21 257 20 258 16 260 15 249 69038 66016 19 264 22 257 20 265 19 250 18 267 66016 63215 20 257 24 256 23 257 21 258 22 271 63215 60505 20 254 24 262 20 266 21 267 19 269 60505 57667 21 258 23 253 23 271 22 272 20 274 57667 54715 18 262 19 246 24 259 24 272 24 286 54715 51908 21 279 17 278 21 253 23 267 23 289 51908 49397 22 281 21 288 18 281 19 281 20 300 49397 47149 23 278 23 287 24 292 27 297 22 303 47149 45119 20 278 22 286 21 289 26 288 24 317 45119 43274 18 295 20 306 18 313 21 319 24 333 43274 41582 22 312 20 313 25 328 25 324 31 355 41582 40019 26 305 22 319 26 336 23 353 37 002 40019 38562 20 303 22 322 25 350 32 022 39 005 38562 37201 14 311 19 338 28 007 41 023 40 005 37201 35912 13 329 21 001 36 018 48 021 41 006 35912 34634 13 344 28 017 48 023 57 021 42 008 34634 33339 13 002 34 022 59 024 63 022 40 009 33339 32023 18 017 39 023 64 023 64 024 38 013 32023 30676 21 022 40 023 60 021 63 025 38 012 30676 29290 22 029 39 022 55 018 60 026 37 011 29290 27868 22 032 36 019 52 018 56 027 34 011 27868 26413 15 018 27 016 45 018 53 022 34 009 26413 24929 10 359 20 012 31 011 45 023 37 007 24929 23423 7 346 12 009 23 353 26 016 41 009 23423 21892 6 309 8 345 20 343 13 351 38 015 21892 20337 6 272 6 323 15 339 10 335 27 016 20337 18791 7 276 4 339 8 339 5 336 16 013 18791 17323 6 294 3 025 2 027 4 062 9 025 17323 15993 2 270 2 064 4 105 5 077 5 052 15993 14802 3 225 2 127 5 128 5 074 5 074 14802 13730 7 209 2 163 5 149 4 078 7 076 13730 12756 7 199 3 163 4 156 3 067 8 072 12756 11871 6 185 3*159 4*165 2 046 8 067 11871 11069 7 167 3*143 3*180 3 018 7 059 11069 10344 9 150 4 141 3 204 3*006 6 050 10344 9687 10 138 5 140 4 227 4*344 6 036 9687 9085 10 131 5 140 4 237 5 317 6 011 9085 8541 10 120 5 143 5 242 7 306 7 351 8541 8079 10 101 5 145 5 244 7 302 7 343 8079 7717 8 087 4 147 5 246 7 300 7 340 7717 7466 6 076 4 148 5 248 7 299 6 337 7466 7312 5*063 4 148 4 247 6 298 5*334 7312 7223 2*042 3 147 3 249 5 296 3*329 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