DrJack's BLIPSPOT for: THU 04/09 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 - - - 47.3 - - 47.4 - - - - - 40.3 Temp@2m Sfc.Heating - - - 136 - - 163 - - - - - -9 Sfc.Heating BL Depth - - - 3053 - - 2543 - - - - - 16 BL Depth Hcrit - - - 8939 - - 8643 - - - - - 7206 Hcrit BL Top - - - 10260 - - 9750 - - - - - 7223 BL Top Hgt.Variab. - - - 2959 - - 2814 - - - - - 2145 Hgt.Variab. W* - - - 333 - - 331 - - - - - 9 W* B/S - - - 5 - - 4 - - - - - 0 B/S BL Wind - - - 13 - - 15 - - - - - 4 BL Wind Direction - - - 209 - - 223 - - - - - 236 Direction Wind Shear - - - 8 - - 10 - - - - - 0 Wind Shear Max.Converg - - - -19 - - -31 - - - - - -7 Max.Converg CLOUDpotent - - - 2370 - - 2103 - - - - - 1 CLOUDpotentl sfcLCL - - - 7890 - - 7647 - - - - - 7223 sfcLCL ODpotential - - - -183 - - -752 - - - - - -793 ODpotential blCL - - - 10443 - - 10502 - - - - - 8016 blCL maxRH - - - 80 - - 99 - - - - - 93 maxRH CAPE - - - 240 - - 280 - - - - - 70 CAPE Temp@2m - - - 47.3 - - 47.4 - - - - - 40.3 Temp@2m DewPt@2m - - - 37.7 - - 38.8 - - - - - 38.4 DewPt@2m Temp@Bot - - - 46.4 - - 46.4 - - - - - 41.0 Temp@Bot DewPt@Bot - - - 36.4 - - 37.6 - - - - - 38.1 DewPt@bot Sfc.Heating - - - 136 - - 163 - - - - - -9 Sfc.Heating BL Depth - - - 3053 - - 2543 - - - - - 16 BL Depth EXPERIMENT - - - 20 - - 96 - - - - - 72 EXPERIMENT EXPERIMENT2 - - - 5 - - 5 - - - - - 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] 96867 42 278 37 276 42 262 96867 89556 26 284 37 277 40 276 89556 84013 20 281 29 272 29 285 84013 79434 18 280 21 275 28 301 79434 75475 18 299 27 277 28 298 75475 71968 27 294 30 280 28 289 71968 68780 29 293 30 285 28 282 68780 65826 30 289 29 288 23 281 65826 63055 29 285 25 282 22 282 63055 60344 26 284 26 274 23 281 60344 57506 23 279 26 264 24 269 57506 54569 19 276 23 258 22 261 54569 51767 18 277 18 262 17 258 51767 49238 21 266 19 261 14 258 49238 46970 26 261 25 256 16 255 46970 44918 28 254 31 250 20 246 44918 43047 27 247 31 240 27 239 43047 41333 28 241 31 234 32 231 41333 39762 31 235 33 228 36 228 39762 38318 35 234 36 224 41 222 38318 36987 41 231 40 222 42 216 36987 35732 41 226 41 219 44 210 35732 34483 41 226 40 218 45 210 34483 33207 40 226 40 217 44 213 33207 31909 37 226 39 217 44 213 31909 30579 35 224 37 216 43 211 30579 29212 33 223 35 216 42 207 29212 27811 34 225 35 217 39 207 27811 26378 34 228 35 220 36 210 26378 24921 33 230 35 225 33 211 24921 23443 30 230 34 226 33 207 23443 21941 29 226 33 224 32 200 21941 20407 29 220 33 221 31 191 20407 18867 29 212 27 208 32 181 18867 17395 25 204 24 201 33 173 17395 16056 23 204 22 191 31 171 16056 14856 22 202 24 184 28 174 14856 13774 21 199 24 182 26 182 13774 12793 19 196 23 184 27 192 12793 11901 18 196 23 190 29 201 11901 11092 17 199 22 198 30 208 11092 10361 15*203 20*207 29 214 10361 9700 15*205 18*215 27 219 9700 9095 14 207 17 219 22 226 9095 8549 13 209 16 223 18 231 8549 8084 13 211 15 226 16 235 8084 7721 12 211 14 227 13 237 7721 7467 11 211 13 229 11 238 7467 7312 10 211 12 230 8*238 7312 7223 7 211 8 231 4*236 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