DrJack's BLIPSPOT for: TUE 07/28 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 - - - - - - 75.8 - - 74.6 - - - Temp@2m Sfc.Heating - - - - - - 49 - - 7 - - - Sfc.Heating BL Depth - - - - - - 1559 - - 45 - - - BL Depth Hcrit - - - - - - 1278 - - 1278 - - - Hcrit BL Top - - - - - - 2996 - - 1482 - - - BL Top Hgt.Variab. - - - - - - 1832 - - 1833 - - - Hgt.Variab. W* - - - - - - 192 - - 30 - - - W* B/S - - - - - - 3 - - 1 - - - B/S BL Wind - - - - - - 12 - - 7 - - - BL Wind Direction - - - - - - 209 - - 217 - - - Direction Wind Shear - - - - - - 8 - - 2 - - - Wind Shear Max.Converg - - - - - - -4 - - 1 - - - Max.Converg CLOUDpotent - - - - - - 712 - - 188 - - - CLOUDpotentl sfcLCL - - - - - - 2284 - - 1294 - - - sfcLCL ODpotential - - - - - - -356 - - -408 - - - ODpotential blCL - - - - - - 3352 - - 1890 - - - blCL maxRH - - - - - - 100 - - 100 - - - maxRH CAPE - - - - - - 1650 - - 2570 - - - CAPE Temp@2m - - - - - - 75.8 - - 74.6 - - - Temp@2m DewPt@2m - - - - - - 69.5 - - 72.9 - - - DewPt@2m Temp@Bot - - - - - - 75.4 - - 74.5 - - - Temp@Bot DewPt@Bot - - - - - - 68.6 - - 72.8 - - - DewPt@bot Sfc.Heating - - - - - - 49 - - 7 - - - Sfc.Heating BL Depth - - - - - - 1559 - - 45 - - - BL Depth EXPERIMENT - - - - - - 99 - - 101 - - - EXPERIMENT EXPERIMENT2 - - - - - - 15 - - 18 - - - 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] 99393 45 088 37 086 99393 91895 31 087 35 083 91895 86106 29 082 29 082 86106 81313 29 085 24 086 81313 77192 28 084 23 090 77192 73538 22 082 21 082 73538 70225 17 079 15 072 70225 67192 11 087 6 061 67192 64388 10 060 5 092 64388 61677 5 353 9 347 61677 58856 6 307 12 298 58856 55939 5 281 11 269 55939 53152 30 316 26 320 53152 50650 43 284 46 299 50650 48419 37 275 52 302 48419 46387 44 307 60 300 46387 44519 69 304 61 306 44519 42788 75 304 70 309 42788 41178 78 306 71 304 41178 39673 77 306 63 297 39673 38265 70 307 56 293 38265 36911 63 307 50 290 36911 35537 56 306 50 288 35537 34110 49 304 48 283 34110 32634 50 303 45 281 32634 31092 53 303 45 282 31092 29474 56 302 45 281 29474 27781 52 301 48 282 27781 26015 50 297 51 285 26015 24180 44 288 51 290 24180 22283 39 290 50 293 22283 20320 40 293 45 292 20320 18285 40 289 42 286 18285 16215 35 281 38 280 16215 14216 32 275 31 273 14216 12390 30 275 26 266 12390 10763 30 273 25 263 10763 9312 30 268 24 259 9312 8017 29 256 22 251 8017 6862 30 240 21 245 6862 5837 27 226 20 242 5837 4932 22 213 20 240 4932 4131 18 206 19 237 4131 3413 16*207 17 236 3413 2779 15*212 16 235 2779 2250 13 210 13 227 2250 1842 12 207 11 221 1842 1562 11 206 9*218 1562 1392 10 206 8*217 1392 1294 7 205 6 217 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