DrJack's BLIPSPOT for: MON 03/18 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 = 18Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - - - - 1002z - - 1859z Update Time FCST PERIOD - - - - - - - - - 12 hr - - 6 hr FCST PERIOD Temp@2m - - - - - - - - - 46.6 - - 39.3 Temp@2m Sfc.Heating - - - - - - - - - 195 - - -8 Sfc.Heating BL Depth - - - - - - - - - 7131 - - 16 BL Depth Hcrit - - - - - - - - - 6288 - - 1272 Hcrit BL Top - - - - - - - - - 8568 - - 1290 BL Top Hgt.Variab. - - - - - - - - - 3275 - - 7962 Hgt.Variab. W* - - - - - - - - - 456 - - 7 W* B/S - - - - - - - - - 7 - - 0 B/S BL Wind - - - - - - - - - 11 - - 4 BL Wind Direction - - - - - - - - - 317 - - 316 Direction Wind Shear - - - - - - - - - 1 - - 0 Wind Shear Max.Converg - - - - - - - - - 17 - - 2 Max.Converg CLOUDpotent - - - - - - - - - 1169 - - -3405 CLOUDpotentl sfcLCL - - - - - - - - - 7399 - - 4695 sfcLCL ODpotential - - - - - - - - - 860 - - -4811 ODpotential blCL - - - - - - - - - 7708 - - 6101 blCL maxRH - - - - - - - - - 93 - - 85 maxRH CAPE - - - - - - - - - 50 - - 0 CAPE Temp@2m - - - - - - - - - 46.6 - - 39.3 Temp@2m DewPt@2m - - - - - - - - - 18.6 - - 23.7 DewPt@2m Temp@Bot - - - - - - - - - 45.4 - - 41.3 Temp@Bot DewPt@Bot - - - - - - - - - 17.3 - - 21.3 DewPt@bot Sfc.Heating - - - - - - - - - 195 - - -8 Sfc.Heating BL Depth - - - - - - - - - 7131 - - 16 BL Depth EXPERIMENT - - - - - - - - - 71 - - 40 EXPERIMENT EXPERIMENT2 - - - - - - - - - 2 - - 3 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] 96833 23 231 25 259 96833 89507 13 245 18 260 89507 83870 17 237 16 254 83870 79192 13 236 18 269 79192 75154 14 224 18 240 75154 71560 15 254 25 257 71560 68312 23 247 27 239 68312 65314 24 219 23 246 65314 62510 29 267 33 260 62510 59800 45 268 41 264 59800 56982 53 259 49 263 56982 54050 61 253 60 255 54050 51232 64 249 65 250 51232 48679 65 250 65 252 48679 46381 69 256 68 259 46381 44300 76 258 75 261 44300 42401 78 259 78 262 42401 40656 84 262 87 263 40656 39047 93 260 97 261 39047 37557 93 255 105 258 37557 36166 88 254 108 257 36166 34832 89 259 111 258 34832 33488 94 259 113 259 33488 32105 97 258 109 261 32105 30684 98 255 104 264 30684 29209 94 253 95 266 29209 27670 83 254 82 269 27670 26069 71 257 70 275 26069 24402 61 260 64 280 24402 22672 51 266 60 283 22672 20883 39 279 54 286 20883 19029 29 304 46 290 19029 17101 24 321 36 294 17101 15136 19 305 26 305 15136 13246 18 256 21 315 13246 11533 14 223 12 302 11533 10022 10 227 8 248 10022 8684 7*261 4 265 8684 7491 9*309 5 343 7491 6428 11 317 8 346 6428 5484 12 317 9 344 5484 4649 12 318 10 341 4649 3910 12 318 11 338 3910 3248 12 318 12 337 3248 2662 12 317 12 335 2662 2171 12 317 12 333 2171 1795 12 317 11 331 1795 1536 11 317 9 327 1536 1379 10 316 6*321 1379 1289 9 316 4*316 1289 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