DrJack's BLIPSPOT for: WED 12/17 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 = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 47.3 - - 48.3 - - - Temp@2m Sfc.Heating - - - - - - 142 - - 6 - - - Sfc.Heating BL Depth - - - - - - 257 - - 257 - - - BL Depth Hcrit - - - - - - 2799 - - 2799 - - - Hcrit BL Top - - - - - - 2815 - - 2815 - - - BL Top Hgt.Variab. - - - - - - 1679 - - 1428 - - - Hgt.Variab. W* - - - - - - 138 - - 51 - - - W* B/S - - - - - - 2 - - 1 - - - B/S BL Wind - - - - - - 11 - - 8 - - - BL Wind Direction - - - - - - 251 - - 253 - - - Direction Wind Shear - - - - - - 0 - - 0 - - - Wind Shear Max.Converg - - - - - - -1 - - -1 - - - Max.Converg CLOUDpotent - - - - - - -6641 - - -5945 - - - CLOUDpotentl sfcLCL - - - - - - 9456 - - 8760 - - - sfcLCL ODpotential - - - - - - -15195 - - -13584 - - - ODpotential blCL - - - - - - 18010 - - 16399 - - - blCL maxRH - - - - - - 93 - - 88 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 47.3 - - 48.3 - - - Temp@2m DewPt@2m - - - - - - 16.3 - - 20.4 - - - DewPt@2m Temp@Bot - - - - - - 46.1 - - 47.8 - - - Temp@Bot DewPt@Bot - - - - - - 15.6 - - 19.9 - - - DewPt@bot Sfc.Heating - - - - - - 142 - - 6 - - - Sfc.Heating BL Depth - - - - - - 257 - - 257 - - - BL Depth EXPERIMENT - - - - - - 70 - - 50 - - - EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 3 - - - 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] 96012 44 263 52 271 96012 89107 35 275 32 282 89107 83720 24 281 22 268 83720 79174 17 293 14 233 79174 75208 9 242 14 243 75208 71691 8 251 9 230 71691 68504 22 271 19 257 68504 65568 25 256 29 244 65568 62845 26 250 27 254 62845 60213 34 252 33 257 60213 57475 42 239 42 254 57475 54634 45 246 50 254 54634 51909 53 255 56 260 51909 49436 62 258 60 257 49436 47198 65 254 59 258 47198 45149 66 252 63 262 45149 43267 65 252 68 259 43267 41545 69 255 74 257 41545 39963 73 255 79 253 39963 38497 70 249 73 247 38497 37131 67 248 66 247 37131 35831 69 245 61 253 35831 34532 71 245 60 260 34532 33197 71 246 65 257 33197 31822 66 243 66 253 31822 30390 61 240 64 250 30390 28890 56 245 61 249 28890 27323 54 256 65 253 27323 25689 57 258 61 256 25689 23993 58 258 50 252 23993 22237 64 254 48 248 22237 20415 67 240 45 249 20415 18524 63 232 40 251 18524 16602 59 234 36 258 16602 14752 48 242 38 261 14752 13071 37 256 39 262 13071 11574 33 270 35 267 11574 10239 31 275 29 272 10239 9044 33 278 24 274 9044 7976 40 279 22 270 7976 7027 43 276 23 271 7027 6188 42 269 30 272 6188 5445 37 264 34 271 5445 4778 33 260 30 267 4778 4190 27 255 26 260 4190 3701 23 252 20 254 3701 3324 21 251 18 253 3324 3064 19 251 15 253 3064 2906 16*251 13 253 2906 2815 11*251 8*253 2815 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