DrJack's BLIPSPOT for: FRI 09/04 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 - - - 0952z - - 1001z - - 1333z - - 1559z Update Time FCST PERIOD - - - 9 hr - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 41.1 - - 43.6 - - 47.7 - - 40.6 Temp@2m Sfc.Heating - - - 57 - - 118 - - 124 - - -22 Sfc.Heating BL Depth - - - 16 - - 851 - - 2431 - - 16 BL Depth Hcrit - - - 7206 - - 7206 - - 8433 - - 7206 Hcrit BL Top - - - 7223 - - 8057 - - 9638 - - 7223 BL Top Hgt.Variab. - - - 1616 - - 3111 - - 1685 - - 1608 Hgt.Variab. W* - - - 42 - - 203 - - 296 - - 11 W* B/S - - - 1 - - 2 - - 3 - - 0 B/S BL Wind - - - 9 - - 16 - - 19 - - 6 BL Wind Direction - - - 231 - - 230 - - 233 - - 242 Direction Wind Shear - - - 0 - - 11 - - 13 - - 0 Wind Shear Max.Converg - - - -13 - - -32 - - -45 - - -11 Max.Converg CLOUDpotent - - - 0 - - 834 - - 2104 - - 1 CLOUDpotentl sfcLCL - - - 7223 - - 7223 - - 7534 - - 7223 sfcLCL ODpotential - - - -45 - - 272 - - 51 - - -5785 ODpotential blCL - - - 7268 - - 7785 - - 9587 - - 13008 blCL maxRH - - - 100 - - 99 - - 83 - - 80 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 41.1 - - 43.6 - - 47.7 - - 40.6 Temp@2m DewPt@2m - - - 40.6 - - 41.5 - - 39.5 - - 36.8 DewPt@2m Temp@Bot - - - 40.7 - - 42.8 - - 46.9 - - 41.7 Temp@Bot DewPt@Bot - - - 40.4 - - 40.8 - - 38.5 - - 36.5 DewPt@bot Sfc.Heating - - - 57 - - 118 - - 124 - - -22 Sfc.Heating BL Depth - - - 16 - - 851 - - 2431 - - 16 BL Depth EXPERIMENT - - - 102 - - 97 - - 32 - - 19 EXPERIMENT EXPERIMENT2 - - - 7 - - 7 - - 6 - - 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] 98957 9 153 4 207 5 132 8 109 98957 91556 8 130 4 155 3 102 8 068 91556 85821 10 113 6 147 6 115 5 082 85821 81070 10 088 11 116 11 131 5 115 81070 76975 13 090 11 130 12 109 11 110 76975 73345 6 080 12 142 4 092 9 115 73345 70041 8 129 13 125 8 149 9 134 70041 66992 6 169 4 179 5 193 5 182 66992 64159 18 148 14 152 4 252 6 171 64159 61409 19 232 15 219 22 236 20 226 61409 58570 20 226 19 212 18 212 15 197 58570 55620 12 180 17 215 19 228 18 227 55620 52787 29 250 29 239 36 238 37 245 52787 50244 48 248 45 248 46 240 50 246 50244 47977 54 251 51 251 52 247 56 245 47977 45930 58 251 59 252 59 253 60 249 45930 44063 63 248 67 247 69 251 68 251 44063 42344 66 245 71 241 74 247 75 247 42344 40750 69 246 73 240 77 243 80 244 40750 39264 72 246 73 241 78 242 83 242 39264 37877 73 248 73 243 75 242 82 242 37877 36560 73 251 74 242 73 244 79 242 36560 35251 73 250 76 242 73 244 75 242 35251 33921 73 246 77 242 71 244 73 242 33921 32572 70 241 75 243 67 245 68 242 32572 31193 65 239 70 243 63 247 62 244 31193 29779 59 240 63 241 62 246 59 246 29779 28333 55 245 58 243 59 244 56 244 28333 26856 54 248 56 247 56 244 54 242 26856 25350 54 249 55 246 55 243 54 242 25350 23820 55 247 56 242 55 240 54 243 23820 22262 57 244 57 241 54 241 49 245 22262 20673 57 244 55 243 51 243 44 245 20673 19080 53 245 51 244 47 245 39 244 19080 17559 47 246 45 243 42 246 34 245 17559 16180 41 247 40 244 36 247 29 246 16180 14949 37 248 34 247 31 250 24 247 14949 13842 36 246 30 251 28 253 21 247 13842 12843 35 237 28 251 26 251 19 248 12843 11938 36 227 28 239 24 242 19 246 11938 11118 37 224 29 228 23 231 22 239 11118 10379 38 224 29 225 23 227 26 231 10379 9712 37 224 29 225 23*227 29 226 9712 9102 35 226 28 226 22*229 27 226 9102 8553 30 229 27 227 21 232 23 232 8553 8086 26 231 24*229 20 234 20 238 8086 7722 21 232 21*230 19 235 17 242 7722 7468 18 232 18 230 17 235 14 243 7468 7312 15*232 15 230 15 235 11*243 7312 7223 9*231 10 230 10 236 6*242 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