DrJack's BLIPSPOT for: FRI 11/21 FrontRoyal_VA 709ft pt33650@38.996,-78.097,836ft BLIPSPOT sfc.temp. adjusted by -0.4 degF SPONSORED BY: Skyline Soaring Club RUC - Last Analysis,Validation Time = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - 0653z - - 0955z - - 1000z - - - Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - 47.9 - - 56.0 - - 55.0 - - - Temp@2m Sfc.Heating - - - 29 - - 67 - - -4 - - - Sfc.Heating BL Depth - - - 75 - - 76 - - 76 - - - BL Depth Hcrit - - - 768 - - 768 - - 769 - - - Hcrit BL Top - - - 784 - - 785 - - 785 - - - BL Top Hgt.Variab. - - - 573 - - 1776 - - 1666 - - - Hgt.Variab. W* - - - 54 - - 72 - - 18 - - - W* B/S - - - 4 - - 5 - - 1 - - - B/S BL Wind - - - 2 - - 2 - - 2 - - - BL Wind Direction - - - 162 - - 045 - - 067 - - - Direction Wind Shear - - - 0 - - 0 - - 0 - - - Wind Shear Max.Converg - - - -1 - - 0 - - 0 - - - Max.Converg CLOUDpotent - - - -777 - - -1344 - - -874 - - - CLOUDpotentl sfcLCL - - - 1561 - - 2129 - - 1659 - - - sfcLCL ODpotential - - - -7446 - - -5144 - - -3091 - - - ODpotential blCL - - - 8230 - - 5929 - - 3876 - - - blCL maxRH - - - 88 - - 87 - - 99 - - - maxRH CAPE - - - 0 - - 0 - - 0 - - - CAPE Temp@2m - - - 47.9 - - 56.0 - - 55.0 - - - Temp@2m DewPt@2m - - - 44.0 - - 49.5 - - 50.5 - - - DewPt@2m Temp@Bot - - - 47.3 - - 55.0 - - 55.1 - - - Temp@Bot DewPt@Bot - - - 43.4 - - 48.6 - - 49.8 - - - DewPt@bot Sfc.Heating - - - 29 - - 67 - - -4 - - - Sfc.Heating BL Depth - - - 75 - - 76 - - 76 - - - BL Depth EXPERIMENT - - - 51 - - 49 - - 96 - - - EXPERIMENT EXPERIMENT2 - - - 6 - - 8 - - 8 - - - 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] 95710 38 275 34 275 33 269 95710 88752 25 281 28 284 24 292 88752 83359 23 292 22 281 24 293 83359 78876 27 303 21 284 26 286 78876 75006 26 295 24 290 24 287 75006 71559 20 301 25 295 27 303 71559 68423 26 305 26 290 30 299 68423 65535 30 296 28 293 27 289 65535 62844 33 290 33 295 29 294 62844 60232 36 284 36 296 37 294 60232 57514 39 288 46 297 45 294 57514 54701 49 291 57 288 57 287 54701 52021 61 281 57 280 68 284 52021 49603 61 275 57 287 69 284 49603 47415 59 285 65 287 63 286 47415 45408 63 286 61 286 61 284 45408 43558 67 287 59 284 63 284 43558 41855 79 291 67 285 73 285 41855 40286 101 287 69 288 77 284 40286 38820 101 279 83 278 78 282 38820 37438 85 279 85 267 78 275 37438 36104 80 278 79 263 80 267 36104 34752 75 273 73 266 79 264 34752 33352 72 269 71 266 76 263 33352 31906 68 265 70 265 64 261 31906 30399 62 263 69 263 50 267 30399 28814 56 261 67 266 52 274 28814 27147 50 264 62 266 51 274 27147 25396 44 280 54 258 51 275 25396 23564 38 275 35 254 54 274 23564 21656 39 266 24 255 56 273 21656 19668 39 265 28 252 55 270 19668 17598 37 263 30 254 50 262 17598 15494 35 264 28 254 38 245 15494 13474 33 265 28 258 27 239 13474 11642 28 265 28 261 25 248 11642 10017 26 260 27 260 27 256 10017 8576 23 252 25 257 27 268 8576 7296 21 252 24 257 24 273 7296 6161 19 263 22 257 18 265 6161 5160 17 274 19 259 16 252 5160 4280 15 280 16 266 12 246 4280 3505 12 273 12 273 9 241 3505 2813 9 238 7 269 5 228 2813 2203 12 217 1 246 2 168 2203 1696 12 215 2 054 3 097 1696 1307 8 192 3 050 4 079 1307 1040 5 172 3 046 4 072 1040 878 3 168 3*045 3*068 878 785 2*162 2*045 2*067 785 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