DrJack's BLIPSPOT for: SUN 03/29 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 - - - - - - 0953z - - 1001z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 57.7 - - 60.2 - - 52.4 Temp@2m Sfc.Heating - - - - - - 305 - - 87 - - -45 Sfc.Heating BL Depth - - - - - - 3764 - - 76 - - 75 BL Depth Hcrit - - - - - - 3195 - - 768 - - 768 Hcrit BL Top - - - - - - 4473 - - 785 - - 784 BL Top Hgt.Variab. - - - - - - 1320 - - 5006 - - 1503 Hgt.Variab. W* - - - - - - 426 - - 77 - - 18 W* B/S - - - - - - 4 - - 1 - - 0 B/S BL Wind - - - - - - 21 - - 12 - - 7 BL Wind Direction - - - - - - 207 - - 191 - - 184 Direction Wind Shear - - - - - - 10 - - 0 - - 0 Wind Shear Max.Converg - - - - - - 6 - - -3 - - -3 Max.Converg CLOUDpotent - - - - - - -3095 - - -7136 - - -5018 CLOUDpotentl sfcLCL - - - - - - 7568 - - 7922 - - 5803 sfcLCL ODpotential - - - - - - -8450 - - -11054 - - -10895 ODpotential blCL - - - - - - 12923 - - 11839 - - 11679 blCL maxRH - - - - - - 70 - - 52 - - 48 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 57.7 - - 60.2 - - 52.4 Temp@2m DewPt@2m - - - - - - 27.5 - - 28.5 - - 30.4 DewPt@2m Temp@Bot - - - - - - 55.9 - - 59.3 - - 54.0 Temp@Bot DewPt@Bot - - - - - - 26.4 - - 27.7 - - 29.9 DewPt@bot Sfc.Heating - - - - - - 305 - - 87 - - -45 Sfc.Heating BL Depth - - - - - - 3764 - - 76 - - 75 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 3 - - 4 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] 96561 46 238 46 246 35 261 96561 89267 39 230 43 248 40 260 89267 83651 31 245 37 241 38 255 83651 79008 28 264 26 235 31 243 79008 74994 29 261 25 257 28 248 74994 71437 34 255 34 268 37 277 71437 68265 41 272 34 279 38 286 68265 65389 47 275 37 285 37 282 65389 62714 50 274 43 282 35 278 62714 60091 56 279 52 280 41 282 60091 57327 62 280 58 277 54 283 57327 54451 66 282 65 276 70 283 54451 51700 72 283 74 278 80 283 51700 49218 77 283 83 283 85 284 49218 46989 78 283 87 285 87 284 46989 44964 79 284 87 285 86 283 44964 43118 82 284 87 285 82 283 43118 41434 83 283 87 285 80 284 41434 39895 79 281 82 284 78 284 39895 38473 73 280 75 283 70 284 38473 37141 70 281 70 283 64 283 37141 35848 68 282 68 283 63 283 35848 34526 68 282 67 283 63 282 34526 33149 68 282 64 284 60 283 33149 31721 68 282 62 287 59 283 31721 30228 66 282 61 289 56 283 30228 28655 64 285 60 288 53 281 28655 27003 62 289 58 286 52 280 27003 25269 60 289 54 285 52 282 25269 23456 58 288 52 286 52 285 23456 21566 57 287 52 290 51 286 21566 19594 55 287 50 289 50 282 19594 17537 45 286 43 283 46 278 17537 15442 35 287 34 279 40 280 15442 13431 36 279 32 282 34 289 13431 11606 35 267 37 284 31 292 11606 9982 28 261 35 278 27 283 9982 8544 22 261 27 268 24 266 8544 7272 22 263 24 262 21 257 7272 6146 22 254 23 251 19 252 6146 5149 21*229 22 237 20 240 5149 4270 22*211 21 215 23 230 4270 3496 22 210 22 201 28 221 3496 2806 22 207 22 198 31 209 2806 2199 22 205 22 196 31 201 2199 1693 21 204 21 195 28 197 1693 1305 20 204 20 194 23 193 1305 1038 19 203 19 193 17 189 1038 877 16 202 16*192 14 187 877 784 12 202 12*191 7*184 784 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