DrJack's BLIPSPOT for: TUE 04/21 MtDiablo 712ft pt33457@37.708,-121.962 SPONSORED BY: Bay Area Paragliding Association - BAPA NOTE: Sfc.elevation based on smoothed model topo so represents plain around Mt Diablo, not the peak 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 - - - 56.3 - - 52.1 - - - - - 50.3 Temp@2m Sfc.Heating - - - 107 - - 81 - - - - - -10 Sfc.Heating BL Depth - - - 2659 - - 1592 - - - - - 16 BL Depth Hcrit - - - 1948 - - 712 - - - - - 712 Hcrit BL Top - - - 3371 - - 2304 - - - - - 728 BL Top Hgt.Variab. - - - 2586 - - 2603 - - - - - 3930 Hgt.Variab. W* - - - 279 - - 212 - - - - - 12 W* B/S - - - 5 - - 2 - - - - - 0 B/S BL Wind - - - 9 - - 15 - - - - - 5 BL Wind Direction - - - 202 - - 243 - - - - - 243 Direction Wind Shear - - - 6 - - 8 - - - - - 0 Wind Shear Max.Converg - - - 3 - - 8 - - - - - 3 Max.Converg CLOUDpotent - - - 917 - - 883 - - - - - -574 CLOUDpotentl sfcLCL - - - 2454 - - 1421 - - - - - 1302 sfcLCL ODpotential - - - 250 - - 151 - - - - - -1113 ODpotential blCL - - - 3121 - - 2153 - - - - - 1841 blCL maxRH - - - 94 - - 100 - - - - - 96 maxRH CAPE - - - 300 - - 160 - - - - - 300 CAPE Temp@2m - - - 56.3 - - 52.1 - - - - - 50.3 Temp@2m DewPt@2m - - - 48.0 - - 48.4 - - - - - 47.2 DewPt@2m Temp@Bot - - - 55.6 - - 51.5 - - - - - 50.9 Temp@Bot DewPt@Bot - - - 46.8 - - 47.5 - - - - - 46.8 DewPt@bot Sfc.Heating - - - 107 - - 81 - - - - - -10 Sfc.Heating BL Depth - - - 2659 - - 1592 - - - - - 16 BL Depth EXPERIMENT - - - 75 - - 101 - - - - - 84 EXPERIMENT EXPERIMENT2 - - - 7 - - 7 - - - - - 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] 97440 36 278 42 282 39 288 97440 90050 32 282 42 282 34 291 90050 84381 32 273 32 281 27 288 84381 79705 26 275 21 269 22 284 79705 75681 13 276 17 265 22 282 75681 72127 9 274 17 267 17 274 72127 68906 18 262 19 275 15 265 68906 65929 24 242 23 266 13 261 65929 63145 27 229 28 246 18 264 63145 60439 22 221 29 236 26 253 60439 57621 19 234 27 229 27 256 57621 54688 20 245 27 240 29 262 54688 51869 31 255 30 247 34 277 51869 49313 39 245 29 251 41 270 49313 47017 37 238 35 260 45 266 47017 44932 39 251 44 257 51 263 44932 43025 50 246 47 249 51 267 43025 41268 53 234 46 247 50 271 41268 39640 51 229 46 249 63 280 39640 38130 49 229 50 253 75 278 38130 36720 52 227 52 249 79 275 36720 35364 56 223 49 245 80 276 35364 33991 58 219 47 244 84 278 33991 32571 62 214 45 245 86 282 32571 31107 64 205 43 245 90 287 31107 29583 62 199 42 243 98 289 29583 27984 63 198 41 236 102 289 27984 26311 62 199 39 223 98 288 26311 24569 53 200 36 203 84 289 24569 22770 43 202 31 196 65 287 22770 20924 37 206 29 205 44 281 20924 19022 35 210 29 204 31 269 19022 17049 33 212 27 199 25 264 17049 15034 31 211 25 198 25 267 15034 13091 29 210 22 201 22 261 13091 11325 27 211 20 206 21 259 11325 9755 26 211 18 213 21 257 9755 8359 26 218 17 222 22 257 8359 7117 24 229 17 226 22 260 7117 6014 21 233 18 228 21 265 6014 5036 18 231 18 232 20 266 5036 4175 16 226 18 234 18 262 4175 3415 14*218 18 238 17 255 3415 2735 12*209 18*240 17 251 2735 2134 10 202 18*242 16 251 2134 1632 9 200 17 243 15 249 1632 1247 8 199 16 243 13 247 1247 981 8 198 15 244 11 246 981 820 7 198 13 244 9 245 820 728 6 199 9 243 5*243 728 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