DrJack's BLIPSPOT for: SUN 09/20 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 - - - 0953z - - 1001z - - 1333z - - 1602z Update Time FCST PERIOD - - - 9 hr - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 64.2 - - 69.6 - - 67.2 - - 57.3 Temp@2m Sfc.Heating - - - 253 - - 355 - - 117 - - -11 Sfc.Heating BL Depth - - - 3130 - - 7200 - - 6858 - - 16 BL Depth Hcrit - - - 9202 - - 12522 - - 11594 - - 7207 Hcrit BL Top - - - 10338 - - 14408 - - 14066 - - 7224 BL Top Hgt.Variab. - - - 2507 - - 1532 - - 2262 - - 1060 Hgt.Variab. W* - - - 396 - - 585 - - 399 - - 6 W* B/S - - - 8 - - 18 - - 24 - - 0 B/S BL Wind - - - 9 - - 6 - - 3 - - 3 BL Wind Direction - - - 155 - - 209 - - 307 - - 299 Direction Wind Shear - - - 4 - - 2 - - 10 - - 0 Wind Shear Max.Converg - - - 6 - - 19 - - 56 - - -10 Max.Converg CLOUDpotent - - - -5321 - - -2076 - - -812 - - -3871 CLOUDpotentl sfcLCL - - - 15660 - - 16485 - - 14878 - - 11095 sfcLCL ODpotential - - - -10797 - - -6475 - - -4804 - - -7414 ODpotential blCL - - - 21135 - - 20883 - - 18870 - - 14638 blCL maxRH - - - 85 - - 80 - - 86 - - 92 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 64.2 - - 69.6 - - 67.2 - - 57.3 Temp@2m DewPt@2m - - - 20.8 - - 22.1 - - 27.0 - - 34.0 DewPt@2m Temp@Bot - - - 62.5 - - 67.3 - - 66.2 - - 58.8 Temp@Bot DewPt@Bot - - - 20.3 - - 21.5 - - 26.7 - - 33.8 DewPt@bot Sfc.Heating - - - 253 - - 355 - - 117 - - -11 Sfc.Heating BL Depth - - - 3130 - - 7200 - - 6858 - - 16 BL Depth EXPERIMENT - - - 40 - - 19 - - 43 - - 67 EXPERIMENT EXPERIMENT2 - - - 3 - - 3 - - 4 - - 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] 98365 11 086 13 022 3 314 5 341 98365 91044 15 053 11 095 8 346 18 005 91044 85410 13 033 11 090 7 025 18 010 85410 80736 10 012 12 038 16 042 15 035 80736 76696 6 029 8 021 15 040 14 042 76696 73113 2 113 4 344 8 043 9 029 73113 69861 3 301 8 320 6 026 7 031 69861 66865 3 295 7 298 6 325 7 349 66865 64080 3 336 4 275 5 303 7 277 64080 61382 5 299 6 260 6 289 8 234 61382 58569 7 259 10 266 10 282 9 272 58569 55656 12 249 15 257 18 263 17 284 55656 52883 15 264 18 253 19 253 20 268 52883 50387 16 270 17 251 21 254 21 263 50387 48149 19 264 21 253 25 257 22 256 48149 46122 24 246 20 247 26 251 21 249 46122 44263 19 258 26 248 24 247 27 241 44263 42548 34 251 33 243 29 240 28 228 42548 40957 40 236 34 234 29 230 32 226 40957 39474 30 234 27 221 31 230 35 221 39474 38095 23 226 21 206 36 228 35 218 38095 36792 21 214 26 197 35 226 31 205 36792 35501 20 229 26 199 28 218 24 195 35501 34186 21 243 24 208 27 204 19 190 34186 32847 22 247 23 213 26 205 20 189 32847 31472 20 261 22 213 24 205 19 185 31472 30055 17 239 19 214 21 208 19 189 30055 28599 18 221 15 212 18 213 20 199 28599 27112 12 201 18 212 14 218 22 204 27112 25596 10 201 14 201 13 213 24 203 25596 24055 10 213 12 162 14 197 20 177 24055 22488 9 206 10 168 15 172 18 157 22488 20890 10 195 11 174 15 164 18 153 20890 19285 9 186 12 175 13 183 17 157 19285 17754 8 188 13 175 14 194 14 174 17754 16363 9 191 12 179 10 163 13 181 16363 15122 10 194 9*190 5*098 10 174 15122 14006 11 199 6*199 5*090 6 153 14006 12994 11 200 6 202 4 070 5 121 12994 12074 10 199 6 205 2 036 5 092 12074 11239 10 193 6 208 2 335 6 073 11239 10483 9*183 6 212 4 307 7 056 10483 9798 9*169 6 212 6 295 6 040 9798 9170 9 156 6 213 7 289 6 021 9170 8601 9 154 6 214 7 287 6 357 8601 8118 9 152 6 213 8 285 7 336 8118 7740 9 151 6 213 8 284 8 323 7740 7478 8 151 6 212 8 282 7 314 7478 7316 8 149 5 211 7 282 6*308 7316 7224 6 148 4 210 5 280 3*299 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