DrJack's BLIPSPOT for: SUN 09/27 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0953z - - 1001z - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 69.3 - - 65.2 - - 61.7 Temp@2m Sfc.Heating - - - - - - 71 - - -48 - - -28 Sfc.Heating BL Depth - - - - - - 3445 - - 16 - - 16 BL Depth Hcrit - - - - - - 3073 - - 1277 - - 1276 Hcrit BL Top - - - - - - 4882 - - 1294 - - 1294 BL Top Hgt.Variab. - - - - - - 1307 - - 4483 - - 3623 Hgt.Variab. W* - - - - - - 283 - - 19 - - 14 W* B/S - - - - - - 2 - - 0 - - 0 B/S BL Wind - - - - - - 21 - - 8 - - 6 BL Wind Direction - - - - - - 327 - - 316 - - 332 Direction Wind Shear - - - - - - 12 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 13 - - 5 - - 3 Max.Converg CLOUDpotent - - - - - - -73 - - -2595 - - -2092 CLOUDpotentl sfcLCL - - - - - - 4955 - - 3890 - - 3386 sfcLCL ODpotential - - - - - - -5569 - - -4286 - - -3785 ODpotential blCL - - - - - - 10451 - - 5580 - - 5079 blCL maxRH - - - - - - 92 - - 100 - - 100 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 69.3 - - 65.2 - - 61.7 Temp@2m DewPt@2m - - - - - - 51.9 - - 52.4 - - 51.2 DewPt@2m Temp@Bot - - - - - - 68.9 - - 67.0 - - 63.0 Temp@Bot DewPt@Bot - - - - - - 50.6 - - 51.5 - - 50.7 DewPt@bot Sfc.Heating - - - - - - 71 - - -48 - - -28 Sfc.Heating BL Depth - - - - - - 3445 - - 16 - - 16 BL Depth EXPERIMENT - - - - - - 69 - - 102 - - 101 EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 9 - - 8 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] 98327 6 271 5 006 9 272 98327 90946 2 282 7 340 2 293 90946 85214 1 072 6 291 6 001 85214 80482 1 119 6 297 5 358 80482 76431 3 183 6 271 5 326 76431 72859 5 172 8 250 7 324 72859 69627 6 109 6 235 5 335 69627 66660 7 077 4 172 1 312 66660 63909 1 101 2 097 2 158 63909 61233 3 185 2 174 1 224 61233 58437 1 104 6 164 4 211 58437 55540 5 261 4 217 5 227 55540 52780 9 215 10 242 10 254 52780 50293 9 217 15 242 16 255 50293 48055 9 239 16 241 18 242 48055 46014 10 243 16 245 18 240 46014 44141 10 278 15 239 15 235 44141 42418 14 281 9 263 10 226 42418 40828 10 262 9 276 4 247 40828 39353 7 245 6 290 5 321 39353 37972 6 358 8 006 3 338 37972 36640 8 354 12 359 4 027 36640 35283 7 358 10 344 5 040 35283 33871 6 350 7 001 2 043 33871 32405 7 321 8 342 3 212 32405 30874 5 345 9 322 12 306 30874 29268 8 014 10 298 11 311 29268 27589 7 004 14 297 11 301 27589 25834 10 338 14 319 13 295 25834 24004 19 336 16 337 12 300 24004 22102 22 344 15 348 12 316 22102 20122 24 356 15 340 12 321 20122 18063 23 351 19 335 14 325 18063 15970 22 333 21 334 12 326 15970 13961 23 328 20 339 12 328 13961 12136 24 333 21 343 15 338 12136 10516 26 344 22 345 18 345 10516 9077 30 352 23 352 22 347 9077 7801 33 356 28 358 25 349 7801 6673 33 356 28 353 28 351 6673 5679 30*348 25 341 31 352 5679 4806 24*334 25 330 33 346 4806 4034 23 327 24 323 34 338 4034 3342 22 326 24 323 32 334 3342 2729 22 326 23 323 28 334 2729 2217 21 325 21 322 24 335 2217 1823 20 325 19 321 19 335 1823 1552 19 324 16 320 14 334 1552 1387 17 324 13*318 11*333 1387 1293 13 323 8*316 6*332 1293 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