DrJack's BLIPSPOT for: THU 04/25 Williams 105ft pt35866@39.135,-122.099 SPONSORED BY: Milt Hare RUC - Last Analysis,Validation Time = 18Z 3Z ----------------------------------- VALIDATION TIME --------------------------------------- 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z ------------------------------------------------------------------------------------------- Update Time - - - 0952z - - 1000z - - 1553z - - 1854z Update Time FCST PERIOD - - - 9 hr - - 12 hr - - 9 hr - - 9 hr FCST PERIOD Temp@2m - - - 64.0 - - 70.0 - - 65.5 - - 61.9 Temp@2m Sfc.Heating - - - 257 - - 233 - - -6 - - -16 Sfc.Heating BL Depth - - - 1966 - - 3958 - - 16 - - 16 BL Depth Hcrit - - - 1196 - - 2627 - - 105 - - 105 Hcrit BL Top - - - 2072 - - 4064 - - 122 - - 122 BL Top Hgt.Variab. - - - 2185 - - 3112 - - 5021 - - 2150 Hgt.Variab. W* - - - 324 - - 396 - - 20 - - 14 W* B/S - - - 13 - - 10 - - 1 - - 0 B/S BL Wind - - - 5 - - 7 - - 3 - - 5 BL Wind Direction - - - 176 - - 172 - - 257 - - 286 Direction Wind Shear - - - 2 - - 5 - - 0 - - 0 Wind Shear Max.Converg - - - -2 - - -4 - - -2 - - -2 Max.Converg CLOUDpotent - - - -572 - - -111 - - -2062 - - -2964 CLOUDpotentl sfcLCL - - - 2644 - - 4175 - - 2185 - - 3086 sfcLCL ODpotential - - - -918 - - -385 - - -2918 - - -5012 ODpotential blCL - - - 2990 - - 4449 - - 3040 - - 5134 blCL maxRH - - - 99 - - 98 - - 65 - - 56 maxRH CAPE - - - 10 - - 150 - - 290 - - 10 CAPE Temp@2m - - - 64.0 - - 70.0 - - 65.5 - - 61.9 Temp@2m DewPt@2m - - - 52.8 - - 52.1 - - 56.4 - - 48.9 DewPt@2m Temp@Bot - - - 62.3 - - 68.5 - - 65.9 - - 62.8 Temp@Bot DewPt@Bot - - - 52.1 - - 51.5 - - 55.0 - - 48.2 DewPt@bot Sfc.Heating - - - 257 - - 233 - - -6 - - -16 Sfc.Heating BL Depth - - - 1966 - - 3958 - - 16 - - 16 BL Depth EXPERIMENT - - - 95 - - 91 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - 8 - - 8 - - 9 - - 7 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] 98030 24 280 25 287 26 291 21 280 98030 90642 9 258 14 286 19 305 12 326 90642 84961 5 142 6 273 11 301 13 001 84961 80241 9 105 5 140 2 247 12 000 80241 76174 2 114 6 170 4 261 8 009 76174 72571 4 263 5 220 3 263 5 348 72571 69287 7 244 9 241 7 247 5 265 69287 66256 11 252 12 249 10 236 11 269 66256 63445 17 238 17 249 11 253 15 246 63445 60710 19 244 21 255 12 248 14 253 60710 57843 23 255 24 257 22 282 21 281 57843 54863 24 266 28 268 27 277 25 288 54863 52019 24 275 29 280 30 295 29 298 52019 49463 27 293 32 286 35 300 32 303 49463 47175 28 291 30 290 43 307 42 305 47175 45105 28 307 41 305 47 303 50 300 45105 43212 43 312 48 308 56 305 57 293 43212 41475 47 313 51 307 65 308 56 287 41475 39877 55 322 64 317 64 310 56 296 39877 38395 70 322 74 311 74 306 69 304 38395 37007 70 322 73 311 80 303 90 300 37007 35668 68 323 77 314 84 303 92 295 35668 34306 67 324 78 315 90 303 83 290 34306 32894 67 324 76 317 92 304 78 291 32894 31441 65 324 72 317 91 306 70 293 31441 29935 62 323 68 314 79 305 62 292 29935 28357 59 320 66 314 71 298 63 295 28357 26698 57 319 59 316 71 300 61 298 26698 24953 53 318 53 313 62 303 51 296 24953 23125 42 318 50 315 51 302 44 294 23125 21220 33 312 43 316 45 301 44 295 21220 19231 27 306 33 307 34 302 40 297 19231 17154 23 304 23 297 28 301 35 298 17154 15036 18 304 21 296 22 295 29 298 15036 12996 14 311 22 295 21 296 23 295 12996 11142 13 314 19 292 20 302 16 296 11142 9496 14 317 16 302 19 299 13 296 9496 8035 12 316 13 306 15 289 10 282 8035 6740 9 321 9 297 10 272 7 294 6740 5591 8 326 7 284 9 270 10 332 5591 4574 5 311 5*247 8 279 14 341 4574 3680 4 277 5*209 10 289 17 339 3680 2890 4 234 6 188 12 290 19 332 2890 2186 5*206 8 171 13 287 20 323 2186 1565 5*189 8 166 13 283 20 313 1565 1048 5 180 8 164 11 279 19 304 1048 653 5 173 8 162 9 274 16 299 653 381 5 169 8 161 7 269 12 293 381 216 4 167 8 161 5*264 10*289 216 122 4 167 7 161 3*257 5*286 122 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