DrJack's BLIPSPOT for: WED 04/01 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 - - 0702z - - 1002z - - 1332z - - 1854z Update Time FCST PERIOD 9 hr - - 12 hr - - 12 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m 33.0 - - 35.0 - - 34.6 - - 33.8 - - 32.0 Temp@2m Sfc.Heating -12 - - -9 - - 153 - - 86 - - -2 Sfc.Heating BL Depth 16 - - 16 - - 990 - - 662 - - 16 BL Depth Hcrit 7205 - - 7205 - - 7469 - - 7205 - - 7205 Hcrit BL Top 7222 - - 7222 - - 8196 - - 7868 - - 7222 BL Top Hgt.Variab. 2656 - - 70 - - 2207 - - 1911 - - 2220 Hgt.Variab. W* 0 - - 11 - - 233 - - 168 - - 10 W* B/S 0 - - 0 - - 1 - - 1 - - 0 B/S BL Wind 11 - - 13 - - 34 - - 33 - - 17 BL Wind Direction 235 - - 247 - - 239 - - 246 - - 243 Direction Wind Shear 0 - - 0 - - 29 - - 27 - - 0 Wind Shear Max.Converg -15 - - -19 - - -63 - - -75 - - -25 Max.Converg CLOUDpotent 0 - - 0 - - 974 - - 646 - - 0 CLOUDpotentl sfcLCL 7222 - - 7222 - - 7223 - - 7222 - - 7222 sfcLCL ODpotential -132 - - -174 - - 516 - - -45 - - -352 ODpotential blCL 7354 - - 7396 - - 7680 - - 7913 - - 7574 blCL maxRH 100 - - 100 - - 101 - - 98 - - 99 maxRH CAPE 0 - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m 33.0 - - 35.0 - - 34.6 - - 33.8 - - 32.0 Temp@2m DewPt@2m 32.5 - - 33.9 - - 32.9 - - 31.8 - - 31.3 DewPt@2m Temp@Bot 32.3 - - 30.9 - - 33.8 - - 33.5 - - 32.2 Temp@Bot DewPt@Bot 32.0 - - 31.4 - - 32.2 - - 31.3 - - 31.2 DewPt@bot Sfc.Heating -12 - - -9 - - 153 - - 86 - - -2 Sfc.Heating BL Depth 16 - - 16 - - 990 - - 662 - - 16 BL Depth EXPERIMENT 100 - - 102 - - 102 - - 90 - - 98 EXPERIMENT EXPERIMENT2 5 - - 5 - - 5 - - 5 - - 5 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] 96403 25 268 38 268 31 285 24 276 26 279 96403 89199 23 297 22 284 31 274 36 289 28 303 89199 83748 23 305 15 288 27 274 32 295 27 300 83748 79245 21 307 17 290 22 286 24 293 15 288 79245 75309 20 297 14 289 20 285 21 287 15 306 75309 71787 21 280 15 291 18 278 28 281 29 300 71787 68596 22 288 23 286 20 277 32 263 34 271 68596 65657 31 288 28 271 31 270 25 245 23 256 65657 62896 36 285 23 280 26 274 17 262 17 278 62896 60184 40 281 31 294 23 291 31 287 38 291 60184 57342 44 276 36 293 34 296 41 292 43 295 57342 54409 43 277 46 295 50 293 54 291 56 290 54409 51638 42 282 56 287 64 284 58 282 60 280 51638 49146 45 293 56 281 58 275 45 278 55 282 49146 46910 56 292 55 288 48 290 43 300 58 288 46910 44902 55 294 62 295 60 299 59 298 53 282 44902 43094 62 303 72 295 70 289 65 288 38 281 43094 41436 78 300 73 289 67 288 59 294 39 299 41436 39887 74 296 64 290 65 305 67 308 60 305 39887 38435 63 300 63 302 78 316 77 310 80 303 38435 37079 64 307 77 311 90 316 93 306 93 299 37079 35790 66 312 88 311 97 310 103 302 97 296 35790 34506 68 314 92 307 99 306 105 299 97 295 34506 33200 67 314 89 305 97 304 102 298 96 295 33200 31876 63 313 83 303 95 303 98 296 95 294 31876 30521 60 313 78 301 94 300 96 295 94 294 30521 29129 59 312 75 299 93 297 95 294 94 293 29129 27702 57 313 72 298 93 294 95 293 93 293 27702 26246 52 313 67 299 94 292 93 292 92 293 26246 24766 48 311 61 299 94 292 90 291 90 292 24766 23270 48 306 54 298 95 293 89 290 87 290 23270 21755 48 301 47 294 90 293 90 292 84 288 21755 20213 45 300 44 288 77 289 87 292 84 288 20213 18668 41 302 44 282 64 278 77 286 82 288 18668 17194 39 301 46 279 59 268 67 275 79 285 17194 15859 40 293 47 277 58 263 63 266 74 279 15859 14671 42 283 47 273 56 263 60 262 70 273 14671 13611 45 274 47 268 54 262 57 261 67 267 13611 12656 45 266 47 260 49 257 54 258 67 262 12656 11790 42 258 47 251 47 248 54 251 66 257 11790 11004 41 248 47 245 49 241 57 244 64 251 11004 10293 41 242 47 244 51 239 59 241 63 245 10293 9649 41 239 47 244 51 238 58 241 62 244 9649 9058 40 237 46 245 50 238 57 243 61 243 9058 8522 39 237 45 245 48*238 54 244 58 243 8522 8067 37 236 42 246 44*239 49*245 54 243 8067 7711 32 236 37 246 38 239 43*246 47 243 7711 7462 26 236 31 246 32 240 37 246 40 243 7462 7310 21*236 25*247 26 240 30 247 32*243 7310 7222 11*235 13*247 15 240 17 247 17*243 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