DrJack's BLIPSPOT for: THU 04/25 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 = 15Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0952z - - 1001z - - 1553z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m - - - - - - 57.3 - - 60.6 - - 55.3 Temp@2m Sfc.Heating - - - - - - 270 - - 200 - - -8 Sfc.Heating BL Depth - - - - - - 3841 - - 4024 - - 76 BL Depth Hcrit - - - - - - 3203 - - 3209 - - 768 Hcrit BL Top - - - - - - 4550 - - 4733 - - 785 BL Top Hgt.Variab. - - - - - - 2032 - - 2058 - - 4750 Hgt.Variab. W* - - - - - - 411 - - 379 - - 18 W* B/S - - - - - - 23 - - 13 - - 1 B/S BL Wind - - - - - - 3 - - 5 - - 4 BL Wind Direction - - - - - - 035 - - 062 - - 062 Direction Wind Shear - - - - - - 2 - - 3 - - 0 Wind Shear Max.Converg - - - - - - -5 - - 0 - - 0 Max.Converg CLOUDpotent - - - - - - -857 - - -1488 - - -3715 CLOUDpotentl sfcLCL - - - - - - 5407 - - 6222 - - 4500 sfcLCL ODpotential - - - - - - -1101 - - -3287 - - -4784 ODpotential blCL - - - - - - 5651 - - 8020 - - 5569 blCL maxRH - - - - - - 99 - - 87 - - 100 maxRH CAPE - - - - - - 0 - - 0 - - 10 CAPE Temp@2m - - - - - - 57.3 - - 60.6 - - 55.3 Temp@2m DewPt@2m - - - - - - 36.6 - - 36.3 - - 38.7 DewPt@2m Temp@Bot - - - - - - 55.2 - - 58.8 - - 55.5 Temp@Bot DewPt@Bot - - - - - - 35.7 - - 35.5 - - 38.3 DewPt@bot Sfc.Heating - - - - - - 270 - - 200 - - -8 Sfc.Heating BL Depth - - - - - - 3841 - - 4024 - - 76 BL Depth EXPERIMENT - - - - - - 95 - - 48 - - 100 EXPERIMENT EXPERIMENT2 - - - - - - 4 - - 4 - - 5 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] 98072 8 289 18 300 17 324 98072 90661 12 284 19 294 17 285 90661 84914 10 267 12 288 8 287 84914 80108 17 260 24 264 22 277 80108 75979 10 250 20 259 25 263 75979 72334 13 261 12 250 18 241 72334 69010 19 265 21 282 20 278 69010 65946 27 270 30 275 26 278 65946 63109 27 275 29 277 30 303 63109 60369 28 285 33 280 43 294 60369 57513 33 280 36 276 45 281 57513 54538 39 280 40 285 43 287 54538 51697 51 281 52 288 51 292 51697 49149 57 279 58 283 55 288 49149 46871 56 274 56 278 54 290 46871 44811 53 271 52 275 57 292 44811 42934 48 274 50 275 57 288 42934 41209 48 280 52 277 52 289 41209 39612 50 282 55 279 54 296 39612 38129 53 279 56 282 62 300 38129 36747 54 277 56 285 69 300 36747 35423 55 276 53 282 69 299 35423 34090 55 275 49 276 62 298 34090 32718 56 274 48 274 51 297 32718 31308 55 274 48 275 45 296 31308 29838 50 277 44 275 44 296 29838 28290 44 277 42 278 44 293 28290 26663 40 279 44 280 42 291 26663 24955 36 285 44 280 40 289 24955 23171 34 288 41 278 38 285 23171 21317 33 289 38 279 39 281 21317 19385 31 290 35 283 38 280 19385 17370 30 289 32 285 33 282 17370 15313 27 288 28 286 28 287 15313 13330 24 290 24 287 26 290 13330 11523 21 290 22 287 29 279 11523 9919 18 285 23 276 29 260 9919 8496 17 268 25 260 23 257 8496 7233 15 247 18 252 15 258 7233 6113 9 243 7 235 6 253 6113 5126 3*253 2*132 1 089 5126 4257 2*017 3*087 7 073 4257 3492 3 033 5 068 9 070 3492 2806 3 036 5 062 10 068 2806 2200 4 036 6 060 10 068 2200 1694 4 036 6 057 10 067 1694 1306 4 036 6 056 10 066 1306 1039 4 036 6 055 9 065 1039 877 4 035 6 055 7*064 877 785 3 034 5 053 4*062 785 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