DrJack's BLIPSPOT for: TUE 03/31 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 - - - 0659z - - 1001z - - - - - 1854z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - - - - 9 hr FCST PERIOD Temp@2m - - - 35.5 - - 34.7 - - - - - 31.7 Temp@2m Sfc.Heating - - - 120 - - 177 - - - - - -11 Sfc.Heating BL Depth - - - 1289 - - 552 - - - - - 16 BL Depth Hcrit - - - 7559 - - 7206 - - - - - 7205 Hcrit BL Top - - - 8495 - - 7758 - - - - - 7222 BL Top Hgt.Variab. - - - 1070 - - 1733 - - - - - 1308 Hgt.Variab. W* - - - 234 - - 200 - - - - - 0 W* B/S - - - 2 - - 2 - - - - - 0 B/S BL Wind - - - 19 - - 22 - - - - - 8 BL Wind Direction - - - 240 - - 233 - - - - - 244 Direction Wind Shear - - - 14 - - 15 - - - - - 0 Wind Shear Max.Converg - - - -40 - - -44 - - - - - -13 Max.Converg CLOUDpotent - - - 1273 - - 536 - - - - - 0 CLOUDpotentl sfcLCL - - - 7222 - - 7222 - - - - - 7222 sfcLCL ODpotential - - - 699 - - 142 - - - - - -630 ODpotential blCL - - - 7796 - - 7616 - - - - - 7852 blCL maxRH - - - 99 - - 101 - - - - - 99 maxRH CAPE - - - 0 - - 0 - - - - - 0 CAPE Temp@2m - - - 35.5 - - 34.7 - - - - - 31.7 Temp@2m DewPt@2m - - - 33.3 - - 33.7 - - - - - 31.1 DewPt@2m Temp@Bot - - - 34.8 - - 33.9 - - - - - 32.2 Temp@Bot DewPt@Bot - - - 32.5 - - 33.1 - - - - - 31.4 DewPt@bot Sfc.Heating - - - 120 - - 177 - - - - - -11 Sfc.Heating BL Depth - - - 1289 - - 552 - - - - - 16 BL Depth EXPERIMENT - - - 95 - - 103 - - - - - 96 EXPERIMENT EXPERIMENT2 - - - 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] 96478 32 284 35 281 24 301 96478 89202 22 287 25 283 32 303 89202 83710 16 277 26 299 25 300 83710 79204 13 276 27 291 19 328 79204 75280 15 285 21 286 22 323 75280 71772 22 299 24 285 27 296 71772 68584 32 285 32 265 31 297 68584 65634 26 278 30 266 35 290 65634 62872 26 291 29 275 35 278 62872 60181 33 286 34 280 37 274 60181 57361 39 282 38 274 38 268 57361 54409 45 275 42 269 36 268 54409 51574 46 271 50 268 44 276 51574 49023 45 270 57 266 50 276 49023 46742 48 274 61 264 54 276 46742 44681 54 277 62 264 55 274 44681 42801 63 275 65 265 53 272 42801 41077 75 268 67 263 52 272 41077 39484 84 262 69 261 52 272 39484 38009 94 258 71 257 55 270 38009 36643 105 255 73 254 54 264 36643 35350 109 253 71 251 51 258 35350 34066 101 251 70 248 47 254 34066 32769 86 248 69 246 44 253 32769 31466 70 241 64 246 37 251 31466 30149 65 233 56 244 30 243 30149 28805 63 235 52 242 30 239 28805 27434 61 235 56 240 35 244 27434 26036 60 234 56 237 38 254 26036 24611 53 226 50 240 30 263 24611 23165 40 208 41 248 18 261 23165 21690 28 200 33 258 12 235 21690 20182 21 214 26 266 11 223 20182 18665 21 231 23 269 9 247 18665 17215 22 237 24 264 13 269 17215 15895 23 245 28 258 19 270 15895 14713 25 250 30 258 23 266 14713 13649 26 252 32 267 27 263 13649 12687 26 251 34 270 29 261 12687 11814 26 247 34 265 31 258 11814 11023 26 243 34 255 33 255 11023 10307 26 242 35 240 34 253 10307 9658 26 241 38 230 35 250 9658 9063 26 239 37 229 34 247 9063 8525 25*239 36 230 32 245 8525 8068 24*239 32*231 28 244 8068 7711 21 240 27*232 23 244 7711 7462 18 240 24 233 18 244 7462 7310 15 240 20 233 15*244 7310 7222 10 240 12 233 8*244 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