DrJack's BLIPSPOT for: MON 08/31 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 - - - - - - 0952z - - 1001z - - 1333z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 81.4 - - 81.9 - - 76.1 Temp@2m Sfc.Heating - - - - - - 168 - - 71 - - -7 Sfc.Heating BL Depth - - - - - - 4610 - - 260 - - 260 BL Depth Hcrit - - - - - - 5490 - - 2801 - - 2801 Hcrit BL Top - - - - - - 7168 - - 2818 - - 2818 BL Top Hgt.Variab. - - - - - - 3085 - - 7132 - - 5114 Hgt.Variab. W* - - - - - - 395 - - 116 - - 18 W* B/S - - - - - - 12 - - 5 - - 1 B/S BL Wind - - - - - - 6 - - 4 - - 3 BL Wind Direction - - - - - - 286 - - 281 - - 291 Direction Wind Shear - - - - - - 3 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -4 - - -1 - - -2 Max.Converg CLOUDpotent - - - - - - 690 - - -3667 - - -1839 CLOUDpotentl sfcLCL - - - - - - 6478 - - 6485 - - 4657 sfcLCL ODpotential - - - - - - -591 - - -4634 - - -3950 ODpotential blCL - - - - - - 7759 - - 7452 - - 6768 blCL maxRH - - - - - - 89 - - 94 - - 84 maxRH CAPE - - - - - - 680 - - 830 - - 1070 CAPE Temp@2m - - - - - - 81.4 - - 81.9 - - 76.1 Temp@2m DewPt@2m - - - - - - 62.5 - - 63.0 - - 65.1 DewPt@2m Temp@Bot - - - - - - 79.7 - - 80.8 - - 77.7 Temp@Bot DewPt@Bot - - - - - - 61.4 - - 62.0 - - 64.5 DewPt@bot Sfc.Heating - - - - - - 168 - - 71 - - -7 Sfc.Heating BL Depth - - - - - - 4610 - - 260 - - 260 BL Depth EXPERIMENT - - - - - - 58 - - 76 - - 38 EXPERIMENT EXPERIMENT2 - - - - - - 12 - - 13 - - 14 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] 98966 21 108 10 095 21 028 98966 91535 21 091 14 097 14 067 91535 85800 17 087 15 106 15 091 85800 81039 12 084 10 067 13 067 81039 76943 9 087 9 066 12 038 76943 73343 8 094 5 089 7 025 73343 70087 8 080 6 056 4 080 70087 67092 7 089 7 015 6 014 67092 64336 8 064 6 016 4 000 64336 61686 9 046 2 008 7 351 61686 58930 11 020 5 005 10 351 58930 56080 11 354 9 350 15 343 56080 53379 8 343 10 317 15 313 53379 50951 15 352 9 325 10 305 50951 48775 24 350 21 347 20 350 48775 46817 25 330 27 336 21 348 46817 45030 19 302 24 314 17 341 45030 43371 13 288 13 314 19 341 43371 41816 12 350 9 348 21 345 41816 40350 22 356 13 001 23 348 40350 38962 25 344 15 357 22 347 38962 37616 25 339 17 346 16 344 37616 36249 24 341 21 331 14 341 36249 34830 20 343 22 325 15 336 34830 33365 18 343 21 334 18 329 33365 31840 20 349 22 343 19 311 31840 30245 20 349 23 344 17 309 30245 28581 22 340 19 342 19 319 28581 26850 19 334 19 340 18 326 26850 25054 16 319 19 335 18 332 25054 23199 15 305 19 351 19 340 23199 21282 14 296 16 337 19 358 21282 19297 11 298 10 322 17 358 19297 17281 8 308 8 319 17 348 17281 15344 9 314 12 321 12 340 15344 13582 8 306 15 321 12 356 13582 12014 6 281 10 301 13 353 12014 10621 6 286 9 295 8 319 10621 9381 6 301 9 297 7 288 9381 8274 6 303 9 298 8 278 8274 7287 6*301 9 298 8 278 7287 6410 6*297 8 296 8 284 6410 5629 6 292 8 295 8 290 5629 4925 6 288 8 292 8 298 4925 4298 6 285 7 289 8 305 4298 3772 6 282 7 287 7 308 3772 3366 6 279 6 285 7 309 3366 3086 5 277 6 284 6 307 3086 2915 5 276 5*283 4*300 2915 2818 4 274 4*281 3*291 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