DrJack's BLIPSPOT for: TUE 09/08 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 - - - - - - 0955z - - 1000z - - - Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 75.2 - - 76.9 - - - Temp@2m Sfc.Heating - - - - - - 118 - - 55 - - - Sfc.Heating BL Depth - - - - - - 259 - - 260 - - - BL Depth Hcrit - - - - - - 2801 - - 2801 - - - Hcrit BL Top - - - - - - 2817 - - 2818 - - - BL Top Hgt.Variab. - - - - - - 6937 - - 7740 - - - Hgt.Variab. W* - - - - - - 135 - - 108 - - - W* B/S - - - - - - 14 - - 13 - - - B/S BL Wind - - - - - - 2 - - 2 - - - BL Wind Direction - - - - - - 229 - - 204 - - - Direction Wind Shear - - - - - - 0 - - 0 - - - Wind Shear Max.Converg - - - - - - 1 - - 1 - - - Max.Converg CLOUDpotent - - - - - - -2833 - - -3195 - - - CLOUDpotentl sfcLCL - - - - - - 5650 - - 6013 - - - sfcLCL ODpotential - - - - - - -3528 - - -4054 - - - ODpotential blCL - - - - - - 6345 - - 6872 - - - blCL maxRH - - - - - - 82 - - 79 - - - maxRH CAPE - - - - - - 130 - - 170 - - - CAPE Temp@2m - - - - - - 75.2 - - 76.9 - - - Temp@2m DewPt@2m - - - - - - 60.1 - - 60.3 - - - DewPt@2m Temp@Bot - - - - - - 73.7 - - 76.0 - - - Temp@Bot DewPt@Bot - - - - - - 59.0 - - 59.2 - - - DewPt@bot Sfc.Heating - - - - - - 118 - - 55 - - - Sfc.Heating BL Depth - - - - - - 259 - - 260 - - - BL Depth EXPERIMENT - - - - - - 28 - - 14 - - - EXPERIMENT EXPERIMENT2 - - - - - - 12 - - 12 - - - 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] 99109 21 103 17 087 99109 91636 22 105 14 097 91636 85860 19 085 16 107 85860 81063 15 079 18 094 81063 76937 11 101 11 086 76937 73307 11 128 6 096 73307 70037 10 096 6 094 70037 67045 10 067 7 062 67045 64289 9 047 7 030 64289 61635 11 032 7 037 61635 58871 14 014 7 020 58871 56012 21 359 14 005 56012 53303 28 347 29 354 53303 50892 37 350 40 347 50892 48760 37 355 43 349 48760 46833 39 014 29 354 46833 45054 53 017 42 023 45054 43396 53 010 48 020 43396 41839 46 009 48 018 41839 40369 40 004 51 022 40369 38977 35 359 44 023 38977 37628 29 001 29 009 37628 36255 25 007 26 346 36255 34834 22 009 21 323 34834 33365 18 346 17 314 33365 31836 21 331 17 313 31836 30236 23 331 20 325 30236 28568 23 333 22 329 28568 26832 19 333 22 321 26832 25032 17 308 22 306 25032 23170 19 293 22 303 23170 21242 15 298 19 302 21242 19242 10 312 13 297 19242 17213 5 301 8 275 17213 15267 7 279 6 268 15267 13502 8 282 8 294 13502 11945 11 282 10 309 11945 10569 9 295 10 319 10569 9338 9 316 9 320 9338 8238 8 319 7 320 8238 7256 5 311 5 310 7256 6384 3 290 3 290 6384 5608 3 274 2 268 5608 4909 2 260 2 248 4909 4287 2 251 2 233 4287 3764 2 240 2 221 3764 3362 2 236 2 214 3362 3084 2 233 2 209 3084 2915 2 231 2*210 2915 2818 2*229 2*204 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