DrJack's BLIPSPOT for: THU 08/27 Truckee 7208ft 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 - - - - - - 0959z - - - - - 1601z Update Time FCST PERIOD - - - - - - 12 hr - - - - - 12 hr FCST PERIOD Temp@2m - - - - - - 73.6 - - - - - 63.5 Temp@2m Sfc.Heating - - - - - - 424 - - - - - -14 Sfc.Heating BL Depth - - - - - - 7982 - - - - - 16 BL Depth Hcrit - - - - - - 13238 - - - - - 7207 Hcrit BL Top - - - - - - 15191 - - - - - 7224 BL Top Hgt.Variab. - - - - - - 2250 - - - - - 4544 Hgt.Variab. W* - - - - - - 643 - - - - - 9 W* B/S - - - - - - 7 - - - - - 0 B/S BL Wind - - - - - - 17 - - - - - 7 BL Wind Direction - - - - - - 239 - - - - - 241 Direction Wind Shear - - - - - - 9 - - - - - 0 Wind Shear Max.Converg - - - - - - -29 - - - - - -12 Max.Converg CLOUDpotent - - - - - - 712 - - - - - -6437 CLOUDpotentl sfcLCL - - - - - - 14480 - - - - - 13661 sfcLCL ODpotential - - - - - - -1166 - - - - - -11549 ODpotential blCL - - - - - - 16357 - - - - - 18773 blCL maxRH - - - - - - 87 - - - - - 84 maxRH CAPE - - - - - - 10 - - - - - 0 CAPE Temp@2m - - - - - - 73.6 - - - - - 63.5 Temp@2m DewPt@2m - - - - - - 35.0 - - - - - 29.0 DewPt@2m Temp@Bot - - - - - - 71.4 - - - - - 64.1 Temp@Bot DewPt@Bot - - - - - - 34.5 - - - - - 28.9 DewPt@bot Sfc.Heating - - - - - - 424 - - - - - -14 Sfc.Heating BL Depth - - - - - - 7982 - - - - - 16 BL Depth EXPERIMENT - - - - - - 47 - - - - - 36 EXPERIMENT EXPERIMENT2 - - - - - - 5 - - - - - 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] 99155 20 090 15 108 99155 91694 16 098 16 073 91694 85948 11 090 13 070 85948 81171 10 091 10 083 81171 77040 10 091 11 066 77040 73399 10 126 13 068 73399 70109 12 136 10 056 70109 67085 13 117 2 117 67085 64297 5 072 8 155 64297 61609 4 288 5 159 61609 58812 19 228 5 301 58812 55907 30 226 20 255 55907 53138 36 230 37 254 53138 50661 44 234 46 244 50661 48447 49 239 54 241 48447 46438 57 245 57 237 46438 44601 64 246 59 240 44601 42910 68 246 66 241 42910 41339 74 244 74 241 41339 39872 76 240 80 238 39872 38500 76 238 74 228 38500 37191 74 240 64 220 37191 35881 71 241 60 216 35881 34542 67 243 59 216 34542 33178 62 246 53 217 33178 31779 56 247 46 217 31779 30338 51 242 39 214 30338 28862 47 236 34 213 28862 27351 45 233 32 221 27351 25813 39 233 34 237 25813 24254 39 232 35 245 24254 22668 38 232 32 245 22668 21047 33 233 27 239 21047 19417 27 236 21 231 19417 17861 23 234 12 227 17861 16452 22 225 5 211 16452 15194 20*225 3 172 15194 14061 18*228 3 196 14061 13036 17 233 8 225 13036 12106 17 236 14 231 12106 11262 17 238 19 232 11262 10501 17 241 23 231 10501 9810 18 243 24 232 9810 9178 18 244 23 235 9178 8608 17 244 23 238 8608 8122 17 245 22 240 8122 7743 16 246 20 241 7743 7479 15 246 17 241 7479 7317 14 246 14*242 7317 7224 10 246 7*241 7224 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