DrJack's BLIPSPOT for: WED 04/29 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 - - - 0653z - - 0955z - - 1000z - - 1333z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 61.6 - - 58.5 - - 59.7 - - 58.3 Temp@2m Sfc.Heating - - - 58 - - 22 - - 20 - - -8 Sfc.Heating BL Depth - - - 258 - - 258 - - 258 - - 259 BL Depth Hcrit - - - 2800 - - 2800 - - 2800 - - 2800 Hcrit BL Top - - - 2816 - - 2816 - - 2816 - - 2817 BL Top Hgt.Variab. - - - 3587 - - 1800 - - 1555 - - 2611 Hgt.Variab. W* - - - 107 - - 76 - - 73 - - 37 W* B/S - - - 3 - - 2 - - 1 - - 1 B/S BL Wind - - - 8 - - 7 - - 9 - - 10 BL Wind Direction - - - 194 - - 243 - - 249 - - 285 Direction Wind Shear - - - 0 - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - 2 - - 0 - - 0 - - -3 Max.Converg CLOUDpotent - - - -427 - - 0 - - 0 - - 1 CLOUDpotentl sfcLCL - - - 3243 - - 2816 - - 2816 - - 2817 sfcLCL ODpotential - - - -1110 - - -320 - - -187 - - -758 ODpotential blCL - - - 3926 - - 3136 - - 3003 - - 3575 blCL maxRH - - - 100 - - 100 - - 100 - - 99 maxRH CAPE - - - 360 - - 270 - - 820 - - 370 CAPE Temp@2m - - - 61.6 - - 58.5 - - 59.7 - - 58.3 Temp@2m DewPt@2m - - - 56.7 - - 57.2 - - 59.0 - - 56.0 DewPt@2m Temp@Bot - - - 60.8 - - 57.9 - - 59.2 - - 58.1 Temp@Bot DewPt@Bot - - - 55.9 - - 57.0 - - 58.9 - - 55.8 DewPt@bot Sfc.Heating - - - 58 - - 22 - - 20 - - -8 Sfc.Heating BL Depth - - - 258 - - 258 - - 258 - - 259 BL Depth EXPERIMENT - - - 99 - - 101 - - 101 - - 97 EXPERIMENT EXPERIMENT2 - - - 11 - - 11 - - 12 - - 11 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] 97615 22 264 29 258 30 274 34 291 97615 90179 21 259 25 260 25 258 28 272 90179 84494 13 263 17 242 21 261 21 269 84494 79795 7 271 2 155 13 234 14 272 79795 75758 4 281 7 357 4 163 8 269 75758 72197 3 308 8 304 7 320 5 331 72197 68980 6 344 1 252 7 290 6 348 68980 66017 8 345 4 295 3 317 4 335 66017 63270 12 326 13 249 7 258 8 293 63270 60610 15 272 16 292 12 309 12 193 60610 57801 21 264 35 287 41 283 26 268 57801 54859 45 263 59 249 51 256 53 261 54859 52056 61 241 47 244 53 257 61 267 52056 49551 50 231 48 269 67 269 70 267 49551 47315 51 283 65 272 73 268 72 259 47315 45287 71 271 71 262 74 261 68 259 45287 43433 69 265 65 256 75 259 74 266 43433 41735 72 267 71 262 81 261 86 269 41735 40172 77 265 84 265 85 262 102 269 40172 38720 76 259 82 258 84 262 108 268 38720 37360 73 256 76 252 83 261 108 268 37360 36055 72 258 75 253 82 261 106 267 36055 34737 74 261 76 256 81 260 102 263 34737 33379 75 262 78 256 81 258 99 261 33379 31980 77 262 77 252 83 256 102 260 31980 30525 78 263 78 251 83 256 101 264 30525 29007 76 265 79 255 79 255 89 268 29007 27430 70 268 78 258 76 262 78 271 27430 25791 57 266 77 263 75 269 69 270 25791 24092 45 260 69 269 73 272 62 266 24092 22333 39 252 61 272 68 275 59 265 22333 20513 43 260 46 278 61 279 56 269 20513 18625 40 258 35 266 54 281 50 272 18625 16704 39 266 39 258 46 277 49 276 16704 14853 35 267 42 261 38 271 49 279 14853 13167 32 262 35 262 35 268 43 277 13167 11664 29 258 31 264 35 268 36 265 11664 10324 26 254 32 266 34 262 38 261 10324 9125 23 236 34 266 34 260 35 268 9125 8055 23 226 34 266 34 260 32 279 8055 7103 23 218 34 261 32 259 31 288 7103 6259 22 210 32 257 31 257 30 291 6259 5509 21 201 29 254 29 255 30 291 5509 4834 19 197 25 252 28 254 29 290 4834 4233 18 197 22 251 27 254 28 289 4233 3730 16 195 18 248 23 252 26 288 3730 3342 15 195 15 246 20 250 23 287 3342 3073 13 194 12 244 16 250 19 287 3073 2910 11 194 10 243 14 249 16*286 2910 2817 8*194 7*243 9*249 10*285 2817 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