DrJack's BLIPSPOT for: TUE 08/18 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 = 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 - - - - - - 75.0 - - 75.2 - - 70.8 Temp@2m Sfc.Heating - - - - - - 165 - - 74 - - -13 Sfc.Heating BL Depth - - - - - - 3922 - - 259 - - 260 BL Depth Hcrit - - - - - - 4983 - - 2801 - - 2801 Hcrit BL Top - - - - - - 6480 - - 2817 - - 2818 BL Top Hgt.Variab. - - - - - - 1092 - - 5883 - - 3829 Hgt.Variab. W* - - - - - - 376 - - 118 - - 30 W* B/S - - - - - - 5 - - 3 - - 1 B/S BL Wind - - - - - - 14 - - 6 - - 4 BL Wind Direction - - - - - - 304 - - 302 - - 307 Direction Wind Shear - - - - - - 6 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -4 - - -2 - - -2 Max.Converg CLOUDpotent - - - - - - 1143 - - -2050 - - -548 CLOUDpotentl sfcLCL - - - - - - 5337 - - 4867 - - 3366 sfcLCL ODpotential - - - - - - -472 - - -2849 - - -1976 ODpotential blCL - - - - - - 6952 - - 5666 - - 4794 blCL maxRH - - - - - - 83 - - 87 - - 86 maxRH CAPE - - - - - - 20 - - 170 - - 260 CAPE Temp@2m - - - - - - 75.0 - - 75.2 - - 70.8 Temp@2m DewPt@2m - - - - - - 60.9 - - 63.1 - - 65.2 DewPt@2m Temp@Bot - - - - - - 73.5 - - 74.1 - - 71.3 Temp@Bot DewPt@Bot - - - - - - 59.7 - - 62.1 - - 64.9 DewPt@bot Sfc.Heating - - - - - - 165 - - 74 - - -13 Sfc.Heating BL Depth - - - - - - 3922 - - 259 - - 260 BL Depth EXPERIMENT - - - - - - 34 - - 47 - - 46 EXPERIMENT EXPERIMENT2 - - - - - - 11 - - 13 - - 15 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] 99407 32 078 28 100 17 078 99407 91877 27 092 27 098 24 086 91877 86045 25 106 21 095 23 086 86045 81212 17 106 21 095 20 090 81212 77078 15 113 16 087 17 087 77078 73435 13 109 11 101 14 068 73435 70126 12 113 10 107 10 094 70126 67090 10 115 7 064 11 116 67090 64298 9 122 5 162 4 158 64298 61608 12 126 7 159 4 262 61608 58814 5 226 11 220 13 259 58814 55960 11 243 22 235 24 247 55960 53285 25 268 25 247 29 241 53285 50896 44 259 34 255 34 252 50896 48759 50 248 46 250 45 251 48759 46814 50 255 52 243 51 246 46814 45020 51 256 53 240 52 243 45020 43344 54 255 52 241 50 242 43344 41767 55 254 51 245 49 248 41767 40279 54 255 48 251 50 252 40279 38873 50 254 49 255 52 255 38873 37513 47 253 50 257 52 259 37513 36135 37 253 43 257 44 261 36135 34712 25 256 29 256 33 265 34712 33247 22 263 29 270 29 270 33247 31721 20 266 25 270 27 269 31721 30127 17 263 21 257 23 268 30127 28469 18 260 19 245 22 270 28469 26743 21 264 18 252 22 276 26743 24952 20 265 16 256 18 271 24952 23099 14 273 17 260 16 262 23099 21183 16 292 17 260 19 263 21183 19199 21 291 14 283 19 267 19199 17190 21 283 16 301 14 278 17190 15261 15 285 18 299 14 297 15261 13507 13 294 18 297 15 291 13507 11945 13 285 16 281 17 297 11945 10554 12 281 16 264 15 303 10554 9315 11 280 11 277 12 292 9315 8213 11 293 10 290 8 273 8213 7233 14*305 11 292 8 271 7233 6366 14*305 11 294 8 281 6366 5594 15 305 11 296 9 290 5594 4899 15 305 11 299 9 299 4899 4281 15 304 11 300 10 307 4281 3761 14 304 10 302 10 311 3761 3360 14 304 10 302 9 312 3360 3083 13 303 9 302 8 311 3083 2914 11 303 8 302 7*310 2914 2818 8 302 6*302 4*307 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