DrJack's BLIPSPOT for: WED 12/17 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 - - - - - - 55.1 - - 53.7 - - - Temp@2m Sfc.Heating - - - - - - 16 - - -24 - - - Sfc.Heating BL Depth - - - - - - 1869 - - 16 - - - BL Depth Hcrit - - - - - - 1276 - - 1276 - - - Hcrit BL Top - - - - - - 3306 - - 1294 - - - BL Top Hgt.Variab. - - - - - - 923 - - 2893 - - - Hgt.Variab. W* - - - - - - 138 - - 11 - - - W* B/S - - - - - - 1 - - 0 - - - B/S BL Wind - - - - - - 20 - - 5 - - - BL Wind Direction - - - - - - 249 - - 264 - - - Direction Wind Shear - - - - - - 15 - - 0 - - - Wind Shear Max.Converg - - - - - - 8 - - 2 - - - Max.Converg CLOUDpotent - - - - - - -2997 - - -4146 - - - CLOUDpotentl sfcLCL - - - - - - 6303 - - 5441 - - - sfcLCL ODpotential - - - - - - -10864 - - -10387 - - - ODpotential blCL - - - - - - 14170 - - 11681 - - - blCL maxRH - - - - - - 87 - - 83 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 55.1 - - 53.7 - - - Temp@2m DewPt@2m - - - - - - 32.2 - - 34.7 - - - DewPt@2m Temp@Bot - - - - - - 55.2 - - 55.4 - - - Temp@Bot DewPt@Bot - - - - - - 31.4 - - 34.0 - - - DewPt@bot Sfc.Heating - - - - - - 16 - - -24 - - - Sfc.Heating BL Depth - - - - - - 1869 - - 16 - - - BL Depth EXPERIMENT - - - - - - 50 - - 33 - - - EXPERIMENT EXPERIMENT2 - - - - - - 4 - - 4 - - - 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] 95853 42 275 59 280 95853 89006 44 284 41 284 89006 83646 31 281 25 275 83646 79118 19 276 24 245 79118 75176 15 261 18 228 75176 71676 8 257 8 224 71676 68487 19 268 18 258 68487 65546 31 246 32 253 65546 62817 33 234 34 243 62817 60177 34 237 33 245 60177 57424 42 240 42 247 57424 54552 51 243 49 246 54552 51790 59 245 60 251 51790 49298 68 247 65 253 49298 47059 71 246 68 250 47059 45017 67 247 68 253 45017 43138 67 249 75 253 43138 41411 73 252 77 248 41411 39830 76 251 75 248 39830 38369 73 250 69 249 38369 37002 77 245 68 251 37002 35692 79 237 68 254 35692 34376 78 235 69 254 34376 33018 73 235 72 252 33018 31614 69 238 73 251 31614 30145 62 242 73 252 30145 28600 58 246 72 251 28600 26978 58 249 68 248 26978 25280 61 253 60 246 25280 23510 64 256 52 251 23510 21672 65 258 48 259 21672 19758 65 258 46 262 19758 17765 64 253 47 262 17765 15733 57 248 45 259 15733 13773 48 249 42 257 13773 11986 48 259 39 263 11986 10394 46 264 35 275 10394 8981 40 265 32 283 8981 7723 38 273 31 287 7723 6604 40 283 28 288 6604 5614 40 286 27 287 5614 4745 38 278 28 285 4745 3983 33*268 25 280 3983 3304 25*257 21 274 3304 2702 21 250 18 270 2702 2200 20 248 17 269 2200 1813 19 247 15 268 1813 1547 17 246 13 266 1547 1385 15 245 10*266 1385 1293 11 243 5*264 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