DrJack's BLIPSPOT for: SAT 05/02 Truckee 7207ft 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 - - - 52.8 - - 54.4 - - 53.0 - - 46.6 Temp@2m Sfc.Heating - - - 167 - - 183 - - 89 - - -15 Sfc.Heating BL Depth - - - 2922 - - 3325 - - 2832 - - 16 BL Depth Hcrit - - - 8938 - - 9266 - - 8567 - - 7207 Hcrit BL Top - - - 10130 - - 10532 - - 10040 - - 7223 BL Top Hgt.Variab. - - - 2167 - - 3515 - - 2408 - - 1596 Hgt.Variab. W* - - - 352 - - 377 - - 285 - - 7 W* B/S - - - 3 - - 3 - - 3 - - 0 B/S BL Wind - - - 20 - - 20 - - 20 - - 4 BL Wind Direction - - - 216 - - 215 - - 217 - - 226 Direction Wind Shear - - - 14 - - 15 - - 16 - - 0 Wind Shear Max.Converg - - - -38 - - -41 - - -43 - - -8 Max.Converg CLOUDpotent - - - 1052 - - 1791 - - 1650 - - 0 CLOUDpotentl sfcLCL - - - 9079 - - 8741 - - 8390 - - 7223 sfcLCL ODpotential - - - -2896 - - -1187 - - -2103 - - -2903 ODpotential blCL - - - 13026 - - 11719 - - 12143 - - 10126 blCL maxRH - - - 85 - - 82 - - 74 - - 80 maxRH CAPE - - - 390 - - 1000 - - 880 - - 890 CAPE Temp@2m - - - 52.8 - - 54.4 - - 53.0 - - 46.6 Temp@2m DewPt@2m - - - 37.9 - - 40.8 - - 41.0 - - 43.0 DewPt@2m Temp@Bot - - - 51.8 - - 53.4 - - 52.5 - - 48.1 Temp@Bot DewPt@Bot - - - 36.6 - - 39.6 - - 39.8 - - 42.8 DewPt@bot Sfc.Heating - - - 167 - - 183 - - 89 - - -15 Sfc.Heating BL Depth - - - 2922 - - 3325 - - 2832 - - 16 BL Depth EXPERIMENT - - - 41 - - 28 - - 0 - - 18 EXPERIMENT EXPERIMENT2 - - - 5 - - 6 - - 6 - - 8 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] 97418 13 220 19 253 24 262 23 267 97418 90001 7 222 15 263 17 258 13 261 90001 84343 13 283 13 277 10 287 14 258 84343 79679 9 291 10 272 12 309 11 287 79679 75670 6 318 10 280 14 299 13 313 75670 72119 6 311 9 292 14 301 13 311 72119 68893 8 313 10 290 14 305 11 311 68893 65919 9 316 11 289 19 303 14 319 65919 63149 13 305 13 289 20 293 19 306 63149 60452 14 302 13 302 16 289 19 286 60452 57629 18 302 17 301 15 298 15 286 57629 54691 24 292 26 290 22 290 19 291 54691 51886 27 276 28 283 26 281 21 283 51886 49366 23 267 25 275 27 276 21 275 49366 47111 19 268 24 260 29 272 23 269 47111 45066 20 269 24 257 32 259 31 259 45066 43201 29 267 31 253 32 252 33 250 43201 41497 41 253 36 246 34 249 34 252 41497 39937 43 241 42 244 40 243 39 248 39937 38509 45 245 51 245 41 238 40 241 38509 37195 52 246 54 241 42 234 37 232 37195 35949 49 240 50 241 42 226 37 228 35949 34699 47 242 51 241 40 230 37 229 34699 33421 47 242 50 238 40 230 36 230 33421 32122 47 241 47 236 39 228 35 230 32122 30792 46 240 43 234 38 225 34 227 30792 29424 44 239 38 232 37 222 31 221 29424 28021 41 237 37 230 33 219 27 212 28021 26585 40 233 37 228 30 216 25 204 26585 25120 38 228 37 226 28 215 27 200 25120 23630 35 225 36 224 29 217 29 198 23630 22111 28 221 33 217 29 215 31 195 22111 20564 24 217 29 203 28 210 32 188 20564 19012 23 210 26 195 28 199 31 181 19012 17529 25 204 25 193 28 185 31 173 17529 16178 26 202 24 195 27 173 30 168 16178 14966 28 203 25 198 25 170 28 167 14966 13872 29 205 26 201 24 177 28 170 13872 12880 30 208 26 202 25 188 28 179 12880 11977 29 210 26 203 27 197 29 190 11977 11157 28 212 26*205 28 202 31 198 11157 10416 25*213 24*208 27*205 33 201 10416 9745 23*214 23 211 25*210 34 202 9745 9130 23 215 22 214 23 214 32 203 9130 8573 22 216 20 218 21 218 26 206 8573 8100 21 217 19 219 20 219 19 212 8100 7730 19 217 18 220 19 221 14 219 7730 7472 18 217 17 220 17 222 10 224 7472 7314 15 217 14 221 14 222 7 224 7314 7223 10 217 10 221 9 222 4*226 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