DrJack's BLIPSPOT for: TUE 04/21 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 - - - - - - 65.5 - - 66.5 - - - Temp@2m Sfc.Heating - - - - - - 384 - - 198 - - - Sfc.Heating BL Depth - - - - - - 5808 - - 5567 - - - BL Depth Hcrit - - - - - - 6751 - - 6251 - - - Hcrit BL Top - - - - - - 8366 - - 8125 - - - BL Top Hgt.Variab. - - - - - - 1518 - - 2039 - - - Hgt.Variab. W* - - - - - - 541 - - 430 - - - W* B/S - - - - - - 7 - - 6 - - - B/S BL Wind - - - - - - 14 - - 14 - - - BL Wind Direction - - - - - - 293 - - 258 - - - Direction Wind Shear - - - - - - 9 - - 7 - - - Wind Shear Max.Converg - - - - - - 5 - - -7 - - - Max.Converg CLOUDpotent - - - - - - -1959 - - -1510 - - - CLOUDpotentl sfcLCL - - - - - - 10326 - - 9635 - - - sfcLCL ODpotential - - - - - - -4893 - - -4211 - - - ODpotential blCL - - - - - - 13259 - - 12336 - - - blCL maxRH - - - - - - 69 - - 76 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 65.5 - - 66.5 - - - Temp@2m DewPt@2m - - - - - - 30.0 - - 34.0 - - - DewPt@2m Temp@Bot - - - - - - 63.0 - - 64.8 - - - Temp@Bot DewPt@Bot - - - - - - 29.0 - - 33.1 - - - DewPt@bot Sfc.Heating - - - - - - 384 - - 198 - - - Sfc.Heating BL Depth - - - - - - 5808 - - 5567 - - - BL Depth EXPERIMENT - - - - - - 0 - - 5 - - - EXPERIMENT EXPERIMENT2 - - - - - - 4 - - 4 - - - 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] 97564 35 235 37 265 97564 90156 23 251 29 262 90156 84485 22 269 20 243 84485 79768 14 253 21 242 79768 75682 15 219 18 232 75682 72045 22 231 18 245 72045 68762 19 225 16 269 68762 65780 11 203 12 288 65780 63034 6 284 18 268 63034 60380 25 298 19 284 60380 57597 37 306 31 296 57597 54703 47 291 48 286 54703 51945 55 286 58 285 51945 49457 59 288 60 286 49457 47217 62 290 65 286 47217 45181 60 292 67 284 45181 43322 61 296 63 286 43322 41623 65 296 58 291 41623 40070 66 295 59 293 40070 38638 68 295 62 292 38638 37303 66 296 58 292 37303 36017 65 296 53 292 36017 34712 63 295 54 289 34712 33359 60 297 55 288 33359 31962 57 298 55 289 31962 30512 54 300 53 291 30512 28999 52 303 51 292 28999 27425 53 306 49 292 27425 25788 52 307 47 295 25788 24092 49 308 45 300 24092 22336 44 310 46 303 22336 20515 42 309 43 302 20515 18623 42 303 37 297 18623 16698 41 302 31 299 16698 14845 35 303 28 301 14845 13158 30 304 27 303 13158 11656 31 304 28 304 11656 10317 28 304 24 300 10317 9124 20*302 15*278 9124 8059 17*298 14*269 8059 7110 16 297 14 265 7110 6266 15 294 14 261 6266 5516 15 293 14 258 5516 4840 14 292 14 255 4840 4238 13 290 14 254 4238 3733 13 289 14 253 3733 3344 12 288 13 251 3344 3075 11 287 12 251 3075 2910 10 287 11 250 2910 2816 8 287 8 249 2816 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