DrJack's BLIPSPOT for: WED 09/02 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 - - - - - - 0659z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 89.7 - - 89.7 - - 82.9 Temp@2m Sfc.Heating - - - - - - 32 - - -26 - - -24 Sfc.Heating BL Depth - - - - - - 3779 - - 39 - - 16 BL Depth Hcrit - - - - - - 2920 - - 1279 - - 1278 Hcrit BL Top - - - - - - 5216 - - 1476 - - 1296 BL Top Hgt.Variab. - - - - - - 2932 - - 7680 - - 255 Hgt.Variab. W* - - - - - - 256 - - 39 - - 13 W* B/S - - - - - - 12 - - 2 - - 1 B/S BL Wind - - - - - - 4 - - 3 - - 4 BL Wind Direction - - - - - - 238 - - 149 - - 148 Direction Wind Shear - - - - - - 4 - - 1 - - 0 Wind Shear Max.Converg - - - - - - -8 - - -3 - - -3 Max.Converg CLOUDpotent - - - - - - -1014 - - -4981 - - -2503 CLOUDpotentl sfcLCL - - - - - - 6230 - - 6458 - - 3799 sfcLCL ODpotential - - - - - - -3508 - - -6647 - - -5520 ODpotential blCL - - - - - - 8724 - - 8123 - - 6816 blCL maxRH - - - - - - 76 - - 84 - - 95 maxRH CAPE - - - - - - 1530 - - 1500 - - 2340 CAPE Temp@2m - - - - - - 89.7 - - 89.7 - - 82.9 Temp@2m DewPt@2m - - - - - - 66.7 - - 65.8 - - 70.5 DewPt@2m Temp@Bot - - - - - - 89.4 - - 91.2 - - 86.2 Temp@Bot DewPt@Bot - - - - - - 65.3 - - 64.5 - - 69.3 DewPt@bot Sfc.Heating - - - - - - 32 - - -26 - - -24 Sfc.Heating BL Depth - - - - - - 3779 - - 39 - - 16 BL Depth EXPERIMENT - - - - - - 3 - - 34 - - 80 EXPERIMENT EXPERIMENT2 - - - - - - 13 - - 13 - - 16 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] 99051 23 126 9 160 2 118 99051 91627 16 095 7 122 4 096 91627 85854 7 051 9 120 8 063 85854 81047 4 036 12 102 9 078 81047 76925 4 001 12 065 11 091 76925 73305 2 050 8 052 6 055 73305 70041 3 097 9 022 5 040 70041 67040 2 153 10 342 6 348 67040 64268 3 357 5 296 9 348 64268 61598 4 359 4 233 14 335 61598 58827 13 325 11 314 17 312 58827 55985 20 311 21 296 21 296 55985 53301 26 305 26 290 25 305 53301 50891 31 308 27 295 30 308 50891 48729 38 306 32 297 33 303 48729 46767 31 288 36 286 33 289 46767 44965 26 280 32 278 35 283 44965 43285 24 276 27 264 39 277 43285 41710 19 278 21 256 37 251 41710 40231 20 278 23 270 33 245 40231 38837 26 272 25 266 33 257 38837 37485 27 267 26 254 35 260 37485 36107 27 271 26 253 34 259 36107 34674 26 275 27 263 32 261 34674 33188 24 282 26 269 31 265 33188 31634 24 283 27 276 30 269 31634 30003 24 284 28 287 30 277 30003 28298 26 286 31 294 28 287 28298 26520 25 290 31 294 27 289 26520 24667 22 301 27 287 26 286 24667 22742 18 307 22 284 23 284 22742 20741 16 307 17 293 17 286 20741 18661 16 307 15 313 15 305 18661 16540 19 317 16 327 22 325 16540 14490 18 326 16 329 23 322 14490 12622 14 326 14 325 17 310 12622 10962 15 321 12 317 12 289 10962 9484 16 326 12 298 12 263 9484 8165 14 322 10 277 11 245 8165 6990 10 297 7 252 11 231 6990 5946 7*260 5 225 12 222 5946 5022 6*249 5 205 13 215 5022 4204 5 239 5 173 13 210 4204 3469 4 236 5 164 13 204 3469 2819 4 235 4 159 12 197 2819 2275 3 235 4 154 11 189 2275 1857 3 233 4 151 10 179 1857 1569 3 236 4*150 8 166 1569 1395 3 236 4*148 7*152 1395 1295 2 235 3 150 4*148 1295 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