DrJack's BLIPSPOT for: THU 12/25 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 - - - 29.2 - - 29.2 - - 27.9 - - 24.9 Temp@2m Sfc.Heating - - - 51 - - 66 - - 2 - - -30 Sfc.Heating BL Depth - - - 608 - - 788 - - 16 - - 16 BL Depth Hcrit - - - 7205 - - 7205 - - 7205 - - 7205 Hcrit BL Top - - - 7813 - - 7994 - - 7222 - - 7222 BL Top Hgt.Variab. - - - 2338 - - 2510 - - 2454 - - 2750 Hgt.Variab. W* - - - 138 - - 163 - - 15 - - 0 W* B/S - - - 1 - - 1 - - 0 - - 0 B/S BL Wind - - - 24 - - 21 - - 9 - - 12 BL Wind Direction - - - 225 - - 224 - - 200 - - 205 Direction Wind Shear - - - 19 - - 16 - - 0 - - 0 Wind Shear Max.Converg - - - -34 - - -31 - - -6 - - -11 Max.Converg CLOUDpotent - - - 592 - - 773 - - 1 - - 1 CLOUDpotentl sfcLCL - - - 7222 - - 7222 - - 7222 - - 7222 sfcLCL ODpotential - - - -102 - - 32 - - -525 - - -885 ODpotential blCL - - - 7915 - - 7962 - - 7747 - - 8107 blCL maxRH - - - 99 - - 100 - - 99 - - 97 maxRH CAPE - - - 10 - - 10 - - 0 - - 0 CAPE Temp@2m - - - 29.2 - - 29.2 - - 27.9 - - 24.9 Temp@2m DewPt@2m - - - 27.4 - - 27.1 - - 26.4 - - 23.4 DewPt@2m Temp@Bot - - - 29.1 - - 28.9 - - 28.0 - - 26.3 Temp@Bot DewPt@Bot - - - 27.0 - - 26.5 - - 26.3 - - 24.0 DewPt@bot Sfc.Heating - - - 51 - - 66 - - 2 - - -30 Sfc.Heating BL Depth - - - 608 - - 788 - - 16 - - 16 BL Depth EXPERIMENT - - - 96 - - 100 - - 95 - - 87 EXPERIMENT EXPERIMENT2 - - - 4 - - 4 - - 4 - - 4 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] 96085 20 335 24 327 23 354 17 322 96085 89042 11 337 18 325 20 354 20 328 89042 83621 19 305 19 308 22 303 21 307 83621 79096 12 272 20 305 14 322 8 346 79096 75151 22 302 24 295 26 297 21 299 75151 71654 35 248 32 244 26 256 26 262 71654 68485 23 208 15 210 20 218 9 228 68485 65494 7 326 9 230 19 203 9 217 65494 62650 17 283 41 238 39 239 38 235 62650 59892 58 246 62 237 59 240 59 236 59892 57049 75 233 65 231 62 226 58 229 57049 54118 66 228 54 229 47 232 45 241 54118 51324 55 230 44 235 37 243 36 245 51324 48798 51 231 44 239 43 251 35 245 48798 46515 47 233 47 240 58 255 52 253 46515 44444 48 235 53 244 65 250 65 252 44444 42556 53 238 67 251 59 250 72 253 42556 40818 60 240 88 248 65 252 82 250 40818 39207 70 242 101 243 86 248 90 249 39207 37716 82 243 104 241 98 251 102 249 37716 36338 92 241 103 242 113 254 120 247 36338 35045 97 238 106 245 131 253 135 246 35045 33766 97 235 115 248 139 250 138 245 33766 32472 94 234 121 248 140 249 133 245 32472 31165 91 236 117 244 139 249 128 244 31165 29835 86 235 109 239 138 249 124 242 29835 28474 84 231 101 236 136 248 121 241 28474 27084 86 228 97 232 131 246 118 240 27084 25668 89 226 91 230 121 242 115 240 25668 24231 89 225 87 228 108 237 114 241 24231 22779 88 223 87 226 98 233 111 241 22779 21316 89 221 89 225 90 231 99 241 21316 19839 92 220 85 225 80 231 82 240 19839 18363 84 219 72 224 66 228 72 239 18363 16952 76 217 61 221 59 224 66 236 16952 15671 77 216 56 219 57 221 61 231 15671 14524 75 216 55 218 54 218 57 225 14524 13493 67 218 53 217 51 216 56 220 13493 12559 61 219 50 218 51 214 57 217 12559 11711 59 220 48 219 52 212 58 214 11711 10941 57 220 47 221 51 210 59 212 10941 10244 55 221 44 222 50 209 59 211 10244 9611 51 222 42 223 47 209 58 210 9611 9030 48 223 40 224 42 208 55 209 9030 8503 42 224 36 224 36 207 51 208 8503 8054 36*225 32*225 30 205 44 208 8054 7703 31*225 27*225 24 204 37 207 7703 7458 26 225 23 224 20 202 29 207 7458 7308 22 225 19 224 16*201 24*206 7308 7222 12 225 11 224 9*200 12*205 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