DrJack's BLIPSPOT for: SAT 04/18 Truckee 7206ft 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 - - - 0659z - - 1001z - - - - - 1601z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - - - - 12 hr FCST PERIOD Temp@2m - - - 44.6 - - 48.6 - - - - - 39.2 Temp@2m Sfc.Heating - - - 74 - - 165 - - - - - -21 Sfc.Heating BL Depth - - - 1104 - - 2475 - - - - - 16 BL Depth Hcrit - - - 7206 - - 8615 - - - - - 7206 Hcrit BL Top - - - 8310 - - 9682 - - - - - 7223 BL Top Hgt.Variab. - - - 1258 - - 1422 - - - - - 603 Hgt.Variab. W* - - - 202 - - 334 - - - - - 11 W* B/S - - - 4 - - 6 - - - - - 1 B/S BL Wind - - - 10 - - 10 - - - - - 4 BL Wind Direction - - - 198 - - 221 - - - - - 237 Direction Wind Shear - - - 7 - - 5 - - - - - 0 Wind Shear Max.Converg - - - -17 - - -22 - - - - - -11 Max.Converg CLOUDpotent - - - -2631 - - 1018 - - - - - 1 CLOUDpotentl sfcLCL - - - 10942 - - 8664 - - - - - 7223 sfcLCL ODpotential - - - -8990 - - -2738 - - - - - -4555 ODpotential blCL - - - 17300 - - 12420 - - - - - 11778 blCL maxRH - - - 76 - - 82 - - - - - 73 maxRH CAPE - - - 0 - - 0 - - - - - 0 CAPE Temp@2m - - - 44.6 - - 48.6 - - - - - 39.2 Temp@2m DewPt@2m - - - 22.1 - - 35.7 - - - - - 35.0 DewPt@2m Temp@Bot - - - 44.0 - - 47.5 - - - - - 41.3 Temp@Bot DewPt@Bot - - - 21.0 - - 34.5 - - - - - 34.1 DewPt@bot Sfc.Heating - - - 74 - - 165 - - - - - -21 Sfc.Heating BL Depth - - - 1104 - - 2475 - - - - - 16 BL Depth EXPERIMENT - - - 3 - - 27 - - - - - 0 EXPERIMENT EXPERIMENT2 - - - 3 - - 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] 97006 48 278 58 274 52 288 97006 89727 42 281 44 281 48 282 89727 84138 33 285 36 282 33 273 84138 79502 26 272 31 273 23 283 79502 75501 22 271 26 266 21 287 75501 71957 20 280 17 270 19 280 71957 68747 17 289 14 283 17 283 68747 65793 16 290 17 297 18 291 65793 63051 16 290 19 296 19 286 63051 60395 17 297 20 293 19 281 60395 57625 20 304 25 292 21 284 57625 54743 21 298 28 286 27 277 54743 51976 24 305 28 284 29 269 51976 49463 30 308 31 284 36 266 49463 47202 35 305 34 282 37 265 47202 45157 36 303 36 283 35 269 45157 43301 33 302 36 283 35 266 43301 41611 27 305 31 283 33 266 41611 40068 22 315 26 282 32 260 40068 38649 20 314 22 276 35 265 38649 37329 19 310 22 273 42 263 37329 36068 20 308 22 266 38 262 36068 34803 22 306 19 262 36 258 34803 33510 23 302 17 261 35 254 33510 32196 25 300 17 260 32 249 32196 30849 25 297 17 260 29 246 30849 29463 23 293 17 259 24 239 29463 28041 19 291 19 264 19 231 28041 26588 17 284 23 271 21 225 26588 25110 18 277 26 275 24 224 25110 23612 21 282 24 272 24 222 23612 22087 25 286 20 269 22 221 22087 20529 23 288 16 265 21 221 20529 18967 17 288 13 258 18 223 18967 17474 12 285 12 255 16 216 17474 16118 9 275 11 253 18 200 16118 14906 8 264 10 248 21 183 14906 13815 8 253 9 234 22 171 13815 12828 8 238 9 216 21 166 12828 11931 8 219 10 201 19 167 11931 11117 9 202 13 195 18 176 11117 10381 11 196 13 197 18 189 10381 9715 15 196 12*205 20 201 9715 9105 17 196 11*214 22 210 9105 8555 16*196 11 219 22 214 8555 8087 13*196 10 222 20 218 8087 7722 10 198 10 223 15 224 7722 7468 9 198 9 224 11 230 7468 7312 8 198 8 224 8*234 7312 7223 6 198 6 224 4*237 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