DrJack's BLIPSPOT for: THU 04/16 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 - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 85.1 - - 85.9 - - 76.2 Temp@2m Sfc.Heating - - - - - - 257 - - 69 - - -14 Sfc.Heating BL Depth - - - - - - 5873 - - 7927 - - 16 BL Depth Hcrit - - - - - - 5503 - - 6159 - - 1278 Hcrit BL Top - - - - - - 7310 - - 9364 - - 1295 BL Top Hgt.Variab. - - - - - - 1756 - - 1440 - - 8322 Hgt.Variab. W* - - - - - - 477 - - 355 - - 7 W* B/S - - - - - - 5 - - 3 - - 0 B/S BL Wind - - - - - - 19 - - 21 - - 5 BL Wind Direction - - - - - - 223 - - 230 - - 237 Direction Wind Shear - - - - - - 8 - - 11 - - 0 Wind Shear Max.Converg - - - - - - 3 - - 10 - - 1 Max.Converg CLOUDpotent - - - - - - -2183 - - -567 - - -6122 CLOUDpotentl sfcLCL - - - - - - 9493 - - 9931 - - 7417 sfcLCL ODpotential - - - - - - -6128 - - -4906 - - -8251 ODpotential blCL - - - - - - 13438 - - 14270 - - 9546 blCL maxRH - - - - - - 51 - - 62 - - 82 maxRH CAPE - - - - - - 0 - - 0 - - 20 CAPE Temp@2m - - - - - - 85.1 - - 85.9 - - 76.2 Temp@2m DewPt@2m - - - - - - 47.8 - - 46.6 - - 48.5 DewPt@2m Temp@Bot - - - - - - 83.8 - - 85.6 - - 80.0 Temp@Bot DewPt@Bot - - - - - - 46.5 - - 45.4 - - 47.8 DewPt@bot Sfc.Heating - - - - - - 257 - - 69 - - -14 Sfc.Heating BL Depth - - - - - - 5873 - - 7927 - - 16 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 29 EXPERIMENT EXPERIMENT2 - - - - - - 6 - - 6 - - 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] 97105 34 238 40 244 35 250 97105 89844 36 231 27 253 26 262 89844 84309 27 223 27 251 26 253 84309 79735 12 231 20 244 17 249 79735 75791 4 284 13 220 12 271 75791 72282 9 296 16 240 17 269 72282 69093 2 221 12 203 16 264 69093 66159 8 298 6 269 13 259 66159 63432 27 274 22 273 16 283 63432 60784 36 262 31 261 33 261 60784 58030 35 265 33 262 39 256 58030 55169 43 268 49 265 48 257 55169 52428 61 259 59 255 54 256 52428 49956 58 252 64 250 62 258 49956 47737 56 256 68 251 67 253 47737 45728 68 256 72 253 69 248 45728 43893 67 252 74 252 75 247 43893 42209 68 254 74 251 80 244 42209 40660 71 253 76 250 83 242 40660 39218 69 245 72 246 84 240 39218 37861 66 235 66 238 82 236 37861 36546 66 231 63 231 79 232 36546 35206 64 234 66 234 77 231 35206 33814 61 239 69 238 74 234 33814 32371 60 239 68 240 71 236 32371 30864 54 237 64 242 68 237 30864 29281 46 232 57 240 66 237 29281 27621 45 231 51 231 63 235 27621 25887 44 228 51 229 56 228 25887 24078 46 227 50 230 53 223 24078 22198 48 232 50 232 50 224 22198 20243 49 240 47 234 45 230 20243 18206 49 243 43 239 40 237 18206 16129 44 240 40 244 38 246 16129 14127 39 237 39 245 36 250 14127 12310 35 236 39 244 27 248 12310 10701 32 234 33*240 21 246 10701 9270 31 230 23*232 21 251 9270 7991 26*226 22 232 22 253 7991 6848 20*224 22 231 22 256 6848 5831 20 223 22 231 22 257 5831 4931 20 223 21 230 22 258 4931 4134 20 223 21 229 22 259 4134 3417 19 222 20 229 22 260 3417 2782 19 222 20 229 21 260 2782 2252 18 222 19 228 20 259 2252 1843 18 221 18 228 17 257 1843 1562 17 221 17 228 14 254 1562 1391 16 221 16 228 10*248 1391 1294 13 221 12 227 5*237 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