DrJack's BLIPSPOT for: SAT 09/26 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1001z - - 1333z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 68.4 - - 60.8 - - 58.4 Temp@2m Sfc.Heating - - - - - - 93 - - 16 - - -14 Sfc.Heating BL Depth - - - - - - 3916 - - 76 - - 76 BL Depth Hcrit - - - - - - 2775 - - 769 - - 769 Hcrit BL Top - - - - - - 4625 - - 785 - - 785 BL Top Hgt.Variab. - - - - - - 1381 - - 1708 - - 854 Hgt.Variab. W* - - - - - - 308 - - 48 - - 22 W* B/S - - - - - - 2 - - 1 - - 1 B/S BL Wind - - - - - - 25 - - 9 - - 4 BL Wind Direction - - - - - - 352 - - 314 - - 300 Direction Wind Shear - - - - - - 16 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 9 - - 3 - - 1 Max.Converg CLOUDpotent - - - - - - -777 - - -1505 - - -953 CLOUDpotentl sfcLCL - - - - - - 5402 - - 2290 - - 1738 sfcLCL ODpotential - - - - - - -6606 - - -4703 - - -3645 ODpotential blCL - - - - - - 11231 - - 5488 - - 4430 blCL maxRH - - - - - - 91 - - 76 - - 100 maxRH CAPE - - - - - - 0 - - 0 - - 30 CAPE Temp@2m - - - - - - 68.4 - - 60.8 - - 58.4 Temp@2m DewPt@2m - - - - - - 47.4 - - 53.4 - - 53.4 DewPt@2m Temp@Bot - - - - - - 67.5 - - 60.5 - - 58.8 Temp@Bot DewPt@Bot - - - - - - 46.3 - - 52.9 - - 52.9 DewPt@bot Sfc.Heating - - - - - - 93 - - 16 - - -14 Sfc.Heating BL Depth - - - - - - 3916 - - 76 - - 76 BL Depth EXPERIMENT - - - - - - 65 - - 5 - - 100 EXPERIMENT EXPERIMENT2 - - - - - - 6 - - 9 - - 9 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] 98486 14 077 7 334 3 350 98486 91134 7 050 5 285 4 337 91134 85431 2 332 3 281 6 345 85431 80674 2 183 4 318 8 359 80674 76570 2 259 2 049 6 343 76570 72961 1 100 0 124 3 337 72961 69715 2 069 2 209 3 023 69715 66737 2 241 2 221 7 358 66737 63973 3 096 5 232 9 301 63973 61298 2 071 5 176 10 262 61298 58509 4 268 5 227 6 231 58509 55614 4 284 9 269 4 307 55614 52855 9 288 10 292 8 338 52855 50369 14 279 10 324 10 297 50369 48134 15 283 12 300 10 255 48134 46094 18 281 12 289 10 265 46094 44216 18 262 15 283 10 286 44216 42478 16 241 13 274 11 277 42478 40864 10 235 9 265 9 240 40864 39357 5 216 7 243 6 156 39357 37948 5 177 4 203 10 102 37948 36594 7 156 6 134 18 093 36594 35223 8 141 9 107 21 079 35223 33804 7 118 13 086 24 069 33804 32333 8 106 18 064 24 065 32333 30791 14 085 21 058 21 051 30791 29169 16 070 14 046 23 036 29169 27467 11 075 13 050 21 026 27467 25685 8 066 14 054 20 017 25685 23824 6 051 13 056 22 022 23824 21889 7 035 14 044 24 035 21889 19876 14 040 15 036 24 039 19876 17781 27 018 17 044 21 044 17781 15648 30 006 18 055 24 049 15648 13596 29 005 22 066 25 055 13596 11732 32 011 34 055 25 039 11732 10081 38 012 49 025 40 024 10081 8622 38 009 47 012 42 020 8622 7334 39 011 40 008 43 016 7334 6200 38 010 35 010 41 008 6200 5200 32*360 35 009 40 358 5200 4318 28*354 35 003 39 353 4318 3537 27 353 34 354 38 349 3537 2838 26 352 31 343 35 345 2838 2220 25 352 28 332 30 335 2220 1706 24 351 24 324 24 324 1706 1313 23 351 20 318 17 313 1313 1043 21 351 17 316 12 308 1043 879 18 350 14 315 9 305 879 785 13 349 9*314 4*300 785 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