DrJack's BLIPSPOT for: THU 12/18 Marfa_TX 4849ft pt18183@-103.864,30.408,4919ft BLIPSPOT sfc.temp. adjusted by -0.2 degF SPONSORED BY: Marfa Gliders RUC - Last Analysis,Validation Time = 15Z 3Z ----------------------------------- VALIDATION TIME --------------------------------------- 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z ------------------------------------------------------------------------------------------- Update Time - - - 0700z - - 1003z - - 1335z - - 1601z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 69.8 - - 67.6 - - 60.2 - - 49.5 Temp@2m Sfc.Heating - - - 248 - - 228 - - -26 - - -7 Sfc.Heating BL Depth - - - 3877 - - 3671 - - 305 - - 304 BL Depth Hcrit - - - 7375 - - 7184 - - 5137 - - 5137 Hcrit BL Top - - - 8726 - - 8520 - - 5154 - - 5153 BL Top Hgt.Variab. - - - 1701 - - 1435 - - 2969 - - 403 Hgt.Variab. W* - - - 414 - - 395 - - 5 - - 6 W* B/S - - - 5 - - 5 - - 0 - - 0 B/S BL Wind - - - 16 - - 13 - - 6 - - 4 BL Wind Direction - - - 017 - - 019 - - 055 - - 053 Direction Wind Shear - - - 3 - - 2 - - 0 - - 0 Wind Shear Max.Converg - - - 4 - - -9 - - 1 - - 0 Max.Converg CLOUDpotent - - - -6826 - - -7106 - - -7844 - - -5799 CLOUDpotentl sfcLCL - - - 15553 - - 15626 - - 12999 - - 10953 sfcLCL ODpotential - - - -11409 - - -13155 - - -15351 - - -16078 ODpotential blCL - - - 20135 - - 21675 - - 20505 - - 21231 blCL maxRH - - - 27 - - 30 - - 38 - - 53 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 69.8 - - 67.6 - - 60.2 - - 49.5 Temp@2m DewPt@2m - - - 19.5 - - 17.1 - - 21.7 - - 20.4 DewPt@2m Temp@Bot - - - 67.9 - - 65.8 - - 62.3 - - 53.8 Temp@Bot DewPt@Bot - - - 19.5 - - 17.0 - - 21.6 - - 20.3 DewPt@bot Sfc.Heating - - - 248 - - 228 - - -26 - - -7 Sfc.Heating BL Depth - - - 3877 - - 3671 - - 305 - - 304 BL Depth EXPERIMENT - - - 0 - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - 3 - - 2 - - 3 - - 3 EXPERIMENT2 PROFILES OF WIND SPEED [kt] AND DIRECTION [degTrue] ----------------------------------- VALIDATION TIME --------------------------------------- Height 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z [ft] ------------------------------------------------------------------------------------------- [ft] 96414 22 216 24 229 34 258 22 278 96414 89208 6 271 14 171 17 246 13 251 89208 83701 12 289 7 242 8 226 10 233 83701 79150 4 251 12 305 6 213 5 204 79150 75223 6 171 8 293 6 265 7 303 75223 71747 9 192 1 221 4 128 7 218 71747 68579 24 257 13 276 8 307 6 297 68579 65656 32 256 27 273 28 285 33 318 65656 62979 37 262 39 279 40 289 41 305 62979 60415 36 275 43 286 45 295 43 305 60415 57753 38 285 45 289 44 292 44 298 57753 54998 47 288 48 286 48 288 46 290 54998 52365 57 281 54 278 50 284 46 289 52365 49980 56 275 53 278 48 287 43 286 49980 47821 49 281 48 286 44 295 33 290 47821 45844 49 296 38 303 37 313 30 317 45844 44027 54 311 49 334 48 337 38 340 44027 42354 62 328 66 339 59 339 52 346 42354 40810 70 332 74 335 60 333 60 338 40810 39375 71 328 73 328 57 322 58 327 39375 38033 67 320 66 322 52 318 50 321 38033 36744 62 316 59 319 49 321 43 320 36744 35445 54 328 50 319 48 327 40 320 35445 34108 52 345 50 331 48 331 38 324 34108 32739 56 351 55 339 50 334 38 326 32739 31324 61 347 57 341 50 337 39 327 31324 29855 63 345 56 342 49 338 39 329 29855 28334 60 343 56 342 47 337 38 331 28334 26764 54 338 54 340 46 333 37 330 26764 25146 51 331 51 336 47 329 38 329 25146 23484 49 329 48 331 46 325 38 327 23484 21772 42 330 45 328 43 324 37 327 21772 20006 32 324 40 328 38 326 34 326 20006 18219 24 306 33 329 30 326 28 323 18219 16506 22 296 24 316 23 309 23 312 16506 14949 20 300 21 293 25 288 22 301 14949 13560 20 306 20 291 25 286 22 294 13560 12316 18 309 19 294 23 286 23 291 12316 11200 15 312 14 297 16 273 21 291 11200 10198 12 329 9 326 11 257 16 259 10198 9300 13*002 11*008 7 255 16 234 9300 8497 15*013 12*015 1 332 14 231 8497 7776 16 015 13 017 6 051 10 230 7776 7122 17 017 13 019 10 051 3 209 7122 6539 17 018 14 020 12 050 6 088 6539 6048 17 019 14 021 13 050 12 092 6048 5668 17 020 14 021 13 050 13 090 5668 5406 16 020 13 021 13 052 11 079 5406 5245 15 020 13 021 10*053 7 063 5245 5153 13 020 11 022 6*055 4*053 5153 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 21Z - heights for other times differ slightly Results neglect thermals created by small-scale features not resolved by the smoothed model topography