DrJack's BLIPSPOT for: SUN 04/12 Waynesboro_VA 1437ft pt32142@38.180,-78.911,1424ft BLIPSPOT sfc.temp. adjusted by +0.0 degF SPONSORED BY: Shenandoah Valley Soaring www.svsoar.org RUC - Last Analysis,Validation Time = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 71.5 - - 75.1 - - - Temp@2m Sfc.Heating - - - - - - 315 - - 113 - - - Sfc.Heating BL Depth - - - - - - 3434 - - 3946 - - - BL Depth Hcrit - - - - - - 3693 - - 3593 - - - Hcrit BL Top - - - - - - 4871 - - 5383 - - - BL Top Hgt.Variab. - - - - - - 1035 - - 2653 - - - Hgt.Variab. W* - - - - - - 421 - - 319 - - - W* B/S - - - - - - 6 - - 4 - - - B/S BL Wind - - - - - - 13 - - 15 - - - BL Wind Direction - - - - - - 180 - - 179 - - - Direction Wind Shear - - - - - - 7 - - 6 - - - Wind Shear Max.Converg - - - - - - -6 - - 7 - - - Max.Converg CLOUDpotent - - - - - - -1788 - - -1793 - - - CLOUDpotentl sfcLCL - - - - - - 6660 - - 7177 - - - sfcLCL ODpotential - - - - - - -4658 - - -3583 - - - ODpotential blCL - - - - - - 9529 - - 8966 - - - blCL maxRH - - - - - - 71 - - 80 - - - maxRH CAPE - - - - - - 0 - - 30 - - - CAPE Temp@2m - - - - - - 71.5 - - 75.1 - - - Temp@2m DewPt@2m - - - - - - 47.2 - - 48.4 - - - DewPt@2m Temp@Bot - - - - - - 69.8 - - 74.4 - - - Temp@Bot DewPt@Bot - - - - - - 46.3 - - 47.5 - - - DewPt@bot Sfc.Heating - - - - - - 315 - - 113 - - - Sfc.Heating BL Depth - - - - - - 3434 - - 3946 - - - BL Depth EXPERIMENT - - - - - - 0 - - 21 - - - EXPERIMENT EXPERIMENT2 - - - - - - 7 - - 7 - - - EXPERIMENT2 PROFILES OF WIND SPEED [kt] AND DIRECTION [degTrue] ----------------------------------- VALIDATION TIME --------------------------------------- Height 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z [ft] ------------------------------------------------------------------------------------------- [ft] 96914 39 255 53 255 96914 89632 29 255 37 256 89632 84010 25 284 34 266 84010 79392 31 275 33 271 79392 75459 32 260 31 270 75459 71966 31 268 33 273 71966 68785 37 279 38 277 68785 65860 38 289 33 282 65860 63143 47 284 40 290 63143 60500 47 272 47 282 60500 57747 43 281 50 283 57747 54897 50 294 50 287 54897 52171 62 294 56 289 52171 49713 63 292 62 291 49713 47515 66 289 69 294 47515 45545 58 296 66 296 45545 43779 66 310 74 318 43779 42166 79 313 83 316 42166 40657 84 317 85 309 40657 39234 83 323 83 310 39234 37885 72 323 73 311 37885 36575 59 316 71 315 36575 35239 53 307 65 319 35239 33846 51 304 52 311 33846 32402 47 299 48 299 32402 30892 39 296 48 288 30892 29305 38 293 42 287 29305 27641 36 292 38 286 27641 25897 34 293 35 284 25897 24075 33 294 30 287 24075 22180 31 292 29 285 22180 20207 28 285 31 276 20207 18152 26 275 28 267 18152 16060 23 265 25 257 16060 14054 19 254 23 247 14054 12239 17 243 22 244 12239 10628 12 238 21 236 10628 9194 13 237 22 229 9194 7915 18 241 22 226 7915 6777 21 243 20 219 6777 5767 16*230 17*204 5767 4877 13*202 15*187 4877 4089 13 187 16 183 4089 3383 13 180 15 179 3383 2758 13 176 15 177 2758 2235 13 174 15 176 2235 1834 12 171 14 175 1834 1558 12 171 14 175 1558 1390 11 170 13 174 1390 1294 9 170 10 174 1294 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 18Z - heights for other times differ slightly Results neglect thermals created by small-scale features not resolved by the smoothed model topography