DrJack's BLIPSPOT for: SAT 04/18 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 - - - - - - 83.3 - - 84.3 - - - Temp@2m Sfc.Heating - - - - - - 282 - - 93 - - - Sfc.Heating BL Depth - - - - - - 6782 - - 6673 - - - BL Depth Hcrit - - - - - - 6256 - - 5465 - - - Hcrit BL Top - - - - - - 8219 - - 8110 - - - BL Top Hgt.Variab. - - - - - - 1295 - - 1969 - - - Hgt.Variab. W* - - - - - - 514 - - 362 - - - W* B/S - - - - - - 5 - - 3 - - - B/S BL Wind - - - - - - 18 - - 19 - - - BL Wind Direction - - - - - - 202 - - 202 - - - Direction Wind Shear - - - - - - 8 - - 10 - - - Wind Shear Max.Converg - - - - - - 10 - - 6 - - - Max.Converg CLOUDpotent - - - - - - -622 - - -1537 - - - CLOUDpotentl sfcLCL - - - - - - 8842 - - 9648 - - - sfcLCL ODpotential - - - - - - -4447 - - -4888 - - - ODpotential blCL - - - - - - 12666 - - 12998 - - - blCL maxRH - - - - - - 80 - - 84 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 83.3 - - 84.3 - - - Temp@2m DewPt@2m - - - - - - 48.8 - - 46.3 - - - DewPt@2m Temp@Bot - - - - - - 81.8 - - 83.7 - - - Temp@Bot DewPt@Bot - - - - - - 47.7 - - 45.2 - - - DewPt@bot Sfc.Heating - - - - - - 282 - - 93 - - - Sfc.Heating BL Depth - - - - - - 6782 - - 6673 - - - BL Depth EXPERIMENT - - - - - - 20 - - 37 - - - EXPERIMENT EXPERIMENT2 - - - - - - 7 - - 6 - - - 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] 97084 37 243 28 257 97084 89785 24 231 35 247 89785 84193 11 229 26 226 84193 79576 7 268 10 251 79576 75612 7 280 17 270 75612 72127 7 288 14 262 72127 68960 7 289 6 290 68960 66027 15 279 16 292 66027 63287 20 272 17 267 63287 60604 24 280 20 267 60604 57819 38 273 39 279 57819 54964 45 267 32 269 54964 52236 43 268 43 268 52236 49780 52 267 56 260 49780 47599 52 261 54 255 47599 45621 49 266 53 261 45621 43809 57 269 65 267 43809 42151 57 266 70 269 42151 40621 53 260 67 268 40621 39190 45 261 61 268 39190 37838 39 277 57 268 37838 36524 38 270 55 267 36524 35185 36 253 54 264 35185 33791 34 241 49 261 33791 32345 31 243 45 253 32345 30831 34 249 43 241 30831 29240 40 255 47 241 29240 27577 40 256 46 250 27577 25843 37 258 48 256 25843 24033 39 256 47 260 24033 22153 38 254 43 263 22153 20195 28 250 40 254 20195 18161 28 251 33 241 18161 16098 26 247 31 240 16098 14110 24 258 33 247 14110 12295 23 261 33 249 12295 10680 18 242 26 241 10680 9244 19*221 23*226 9244 7967 19*210 21*213 7967 6829 19 207 21 212 6829 5815 19 205 20 204 5815 4919 19 202 20 201 4919 4125 19 200 20 199 4125 3412 18 199 19 197 3412 2779 18 198 19 197 2779 2250 17 196 18 195 2250 1843 17 196 18 195 1843 1562 16 195 17 194 1562 1392 15 195 15 194 1392 1294 12 195 12 194 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