DrJack's BLIPSPOT for: WED 09/02 Atkins_VA 2558ft pt29724@36.958,-81.342,2720ft SPONSORED BY: Randy Newberry BLIPSPOT sfc.temp. adjusted by -0.5 degF 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 - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 84.7 - - 85.3 - - 78.9 Temp@2m Sfc.Heating - - - - - - 173 - - 70 - - -3 Sfc.Heating BL Depth - - - - - - 4412 - - 260 - - 260 BL Depth Hcrit - - - - - - 5357 - - 2802 - - 2801 Hcrit BL Top - - - - - - 6970 - - 2818 - - 2818 BL Top Hgt.Variab. - - - - - - 2091 - - 6535 - - 4855 Hgt.Variab. W* - - - - - - 393 - - 116 - - 12 W* B/S - - - - - - 18 - - 8 - - 1 B/S BL Wind - - - - - - 4 - - 3 - - 2 BL Wind Direction - - - - - - 264 - - 232 - - 243 Direction Wind Shear - - - - - - 1 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -2 - - 1 - - -1 Max.Converg CLOUDpotent - - - - - - -583 - - -5035 - - -1585 CLOUDpotentl sfcLCL - - - - - - 7554 - - 7853 - - 4403 sfcLCL ODpotential - - - - - - -4286 - - -7425 - - -3957 ODpotential blCL - - - - - - 11256 - - 10243 - - 6775 blCL maxRH - - - - - - 65 - - 61 - - 71 maxRH CAPE - - - - - - 730 - - 720 - - 2760 CAPE Temp@2m - - - - - - 84.7 - - 85.3 - - 78.9 Temp@2m DewPt@2m - - - - - - 61.2 - - 60.5 - - 68.8 DewPt@2m Temp@Bot - - - - - - 83.0 - - 84.3 - - 80.9 Temp@Bot DewPt@Bot - - - - - - 60.1 - - 59.5 - - 68.4 DewPt@bot Sfc.Heating - - - - - - 173 - - 70 - - -3 Sfc.Heating BL Depth - - - - - - 4412 - - 260 - - 260 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 11 - - 12 - - 16 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] 99046 21 109 8 137 6 027 99046 91580 15 109 14 132 5 094 91580 85805 11 081 14 103 10 098 85805 81027 12 033 14 065 12 108 81027 76915 6 004 12 058 12 087 76915 73293 1 359 7 075 11 051 73293 70035 3 146 6 087 8 021 70035 67049 6 087 5 014 7 330 67049 64288 9 050 10 335 8 320 64288 61621 7 015 10 320 8 326 61621 58858 13 330 12 315 14 332 58858 56028 20 307 21 298 23 320 56028 53368 22 315 23 301 26 319 53368 50985 26 326 24 305 29 328 50985 48839 29 315 25 307 30 323 48839 46873 20 305 26 303 25 312 46873 45060 15 289 26 297 23 304 45060 43372 12 266 21 272 25 293 43372 41791 13 265 16 253 26 260 41791 40306 16 266 15 263 23 244 40306 38909 16 256 19 265 22 252 38909 37561 14 241 18 253 23 250 37561 36196 11 227 17 244 23 244 36196 34782 12 255 14 253 24 247 34782 33325 15 275 13 269 22 258 33325 31810 18 278 16 283 18 273 31810 30225 21 272 22 278 21 280 30225 28574 21 270 22 274 26 282 28574 26859 18 271 18 274 23 282 26859 25082 10 271 14 263 19 277 25082 23242 8 267 10 252 14 269 23242 21333 4 285 8 255 12 274 21333 19354 2 243 5 283 9 291 19354 17347 1 242 5 340 5 323 17347 15419 1 307 6 356 6 006 15419 13661 5 309 5 356 6 003 13661 12093 9 311 5 337 6 348 12093 10694 9 290 4 311 4 285 10694 9444 9 271 3 274 4 251 9444 8327 5 276 3 237 4 256 8327 7330 4*280 3 230 5 274 7330 6446 4*275 3 231 5 286 6446 5657 4 272 3 230 6 291 5657 4946 4 268 3 232 6 290 4946 4313 4 264 3 232 5 285 4313 3782 4 259 3 233 5 276 3782 3372 4 257 3 233 4 267 3372 3089 4 255 3 232 4 260 3089 2917 4 253 3 233 3*251 2917 2818 3 253 3*232 2*243 2818 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