DrJack's BLIPSPOT for: TUE 03/31 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 - - 78.9 - - - Temp@2m Sfc.Heating - - - - - - 195 - - 50 - - - Sfc.Heating BL Depth - - - - - - 4196 - - 6015 - - - BL Depth Hcrit - - - - - - 4084 - - 4445 - - - Hcrit BL Top - - - - - - 5633 - - 7452 - - - BL Top Hgt.Variab. - - - - - - 3955 - - 3357 - - - Hgt.Variab. W* - - - - - - 389 - - 294 - - - W* B/S - - - - - - 4 - - 3 - - - B/S BL Wind - - - - - - 19 - - 21 - - - BL Wind Direction - - - - - - 230 - - 229 - - - Direction Wind Shear - - - - - - 8 - - 11 - - - Wind Shear Max.Converg - - - - - - 5 - - 13 - - - Max.Converg CLOUDpotent - - - - - - -365 - - -207 - - - CLOUDpotentl sfcLCL - - - - - - 5999 - - 7659 - - - sfcLCL ODpotential - - - - - - -1138 - - -1314 - - - ODpotential blCL - - - - - - 6771 - - 8766 - - - blCL maxRH - - - - - - 79 - - 81 - - - maxRH CAPE - - - - - - 460 - - 270 - - - CAPE Temp@2m - - - - - - 75.8 - - 78.9 - - - Temp@2m DewPt@2m - - - - - - 54.0 - - 49.9 - - - DewPt@2m Temp@Bot - - - - - - 74.7 - - 78.7 - - - Temp@Bot DewPt@Bot - - - - - - 53.1 - - 48.9 - - - DewPt@bot Sfc.Heating - - - - - - 195 - - 50 - - - Sfc.Heating BL Depth - - - - - - 4196 - - 6015 - - - BL Depth EXPERIMENT - - - - - - 18 - - 22 - - - EXPERIMENT EXPERIMENT2 - - - - - - 9 - - 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] 96640 42 249 46 261 96640 89351 41 259 39 251 89351 83784 41 259 32 244 83784 79152 34 257 28 250 79152 75142 18 258 28 260 75142 71602 19 260 28 255 71602 68416 21 259 22 256 68416 65499 18 258 20 263 65499 62792 17 266 28 266 62792 60173 28 272 36 265 60173 57443 38 269 37 267 57443 54595 46 277 45 270 54595 51868 53 269 46 267 51868 49411 53 265 47 269 49411 47214 51 267 51 273 47214 45252 49 268 56 275 45252 43494 49 278 52 265 43494 41885 50 284 48 264 41885 40380 48 279 46 267 40380 38958 49 275 48 263 38958 37611 50 274 47 260 37611 36304 47 268 45 261 36304 34973 44 263 45 264 34973 33591 44 262 45 266 33591 32159 42 261 44 268 32159 30663 41 260 42 263 30663 29091 39 259 42 256 29091 27442 37 263 43 254 27442 25716 31 260 42 261 25716 23917 25 246 30 269 23917 22053 24 253 22 281 22053 20120 27 266 24 289 20120 18108 26 268 22 289 18108 16053 22 267 20 292 16053 14066 24 259 22 293 14066 12254 30 249 26 278 12254 10644 31 239 29 257 10644 9215 28 240 26 246 9215 7939 25 245 24*235 7939 6803 23 245 23*233 6803 5793 22*242 23 231 5793 4900 20*235 22 230 4900 4109 20 232 22 229 4109 3399 20 231 21 227 3399 2769 19 229 21 226 2769 2243 19 228 20 226 2243 1839 18 227 19 226 1839 1560 17 227 18 225 1560 1391 16 226 16 225 1391 1294 12 226 12 224 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