DrJack's BLIPSPOT for: MON 03/18 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 = 18Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - - - - 1002z - - 1859z Update Time FCST PERIOD - - - - - - - - - 12 hr - - 6 hr FCST PERIOD Temp@2m - - - - - - - - - 38.3 - - 34.8 Temp@2m Sfc.Heating - - - - - - - - - 255 - - -24 Sfc.Heating BL Depth - - - - - - - - - 5926 - - 251 BL Depth Hcrit - - - - - - - - - 6651 - - 2793 Hcrit BL Top - - - - - - - - - 8484 - - 2809 BL Top Hgt.Variab. - - - - - - - - - 1723 - - 5493 Hgt.Variab. W* - - - - - - - - - 474 - - 17 W* B/S - - - - - - - - - 5 - - 1 B/S BL Wind - - - - - - - - - 17 - - 6 BL Wind Direction - - - - - - - - - 325 - - 332 Direction Wind Shear - - - - - - - - - 9 - - 0 Wind Shear Max.Converg - - - - - - - - - -14 - - -2 Max.Converg CLOUDpotent - - - - - - - - - 714 - - -4590 CLOUDpotentl sfcLCL - - - - - - - - - 7770 - - 7400 sfcLCL ODpotential - - - - - - - - - -252 - - -9605 ODpotential blCL - - - - - - - - - 8736 - - 12414 blCL maxRH - - - - - - - - - 63 - - 62 maxRH CAPE - - - - - - - - - 0 - - 0 CAPE Temp@2m - - - - - - - - - 38.3 - - 34.8 Temp@2m DewPt@2m - - - - - - - - - 14.2 - - 12.6 DewPt@2m Temp@Bot - - - - - - - - - 36.5 - - 34.7 Temp@Bot DewPt@Bot - - - - - - - - - 13.0 - - 12.3 DewPt@bot Sfc.Heating - - - - - - - - - 255 - - -24 Sfc.Heating BL Depth - - - - - - - - - 5926 - - 251 BL Depth EXPERIMENT - - - - - - - - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - - - - 2 - - 2 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] 96895 17 227 22 252 96895 89539 14 243 13 270 89539 83877 10 235 16 280 83877 79183 11 232 17 268 79183 75151 13 234 18 254 75151 71588 15 246 17 247 71588 68352 23 262 24 258 68352 65376 26 260 28 249 65376 62613 28 262 27 253 62613 59923 38 267 35 269 59923 57105 51 261 50 261 57105 54181 60 258 59 257 54181 51384 68 257 64 257 51384 48851 72 256 67 257 48851 46567 77 257 72 259 46567 44491 84 258 80 261 44491 42602 87 260 92 262 42602 40882 94 261 104 261 40882 39308 95 261 114 258 39308 37856 100 262 123 257 37856 36501 106 261 131 257 36501 35202 109 260 136 256 35202 33889 114 260 133 256 33889 32536 118 260 126 257 32536 31144 120 261 124 257 31144 29695 116 263 122 262 29695 28183 104 264 112 269 28183 26617 91 265 92 275 26617 25000 81 267 76 281 25000 23327 73 272 71 290 23327 21599 62 280 67 297 21599 19807 54 289 62 300 19807 17947 47 297 54 302 17947 16068 38 310 40 305 16068 14271 31 327 26 309 14271 12639 27 333 16 328 12639 11190 23 329 15 352 11190 9905 20 324 14 348 9905 8769 19*323 14 338 8769 7760 18*323 15 335 7760 6862 18 324 16 335 6862 6065 18 325 16 335 6065 5356 17 325 16 335 5356 4718 17 326 16 335 4718 4149 17 326 16 334 4149 3673 16 326 15 334 3673 3305 15 327 14 334 3305 3052 14 327 12 334 3052 2897 12 327 9 333 2897 2809 9 326 6*332 2809 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