DrJack's BLIPSPOT for: TUE 04/21 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 - - - - - 1601z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - - - - 12 hr FCST PERIOD Temp@2m - - - 74.8 - - 80.2 - - - - - 65.0 Temp@2m Sfc.Heating - - - 489 - - 444 - - - - - -6 Sfc.Heating BL Depth - - - 5720 - - 12491 - - - - - 306 BL Depth Hcrit - - - 9082 - - 14566 - - - - - 5138 Hcrit BL Top - - - 10569 - - 17340 - - - - - 5155 BL Top Hgt.Variab. - - - 4759 - - 1661 - - - - - 759 Hgt.Variab. W* - - - 591 - - 742 - - - - - 9 W* B/S - - - 14 - - 14 - - - - - 0 B/S BL Wind - - - 7 - - 9 - - - - - 3 BL Wind Direction - - - 249 - - 264 - - - - - 106 Direction Wind Shear - - - 4 - - 6 - - - - - 0 Wind Shear Max.Converg - - - -8 - - -6 - - - - - 2 Max.Converg CLOUDpotent - - - -1533 - - 2301 - - - - - -5594 CLOUDpotentl sfcLCL - - - 12102 - - 15039 - - - - - 10749 sfcLCL ODpotential - - - -3271 - - 1168 - - - - - -9240 ODpotential blCL - - - 13840 - - 16172 - - - - - 14395 blCL maxRH - - - 76 - - 86 - - - - - 70 maxRH CAPE - - - 130 - - 100 - - - - - 40 CAPE Temp@2m - - - 74.8 - - 80.2 - - - - - 65.0 Temp@2m DewPt@2m - - - 39.4 - - 31.5 - - - - - 36.2 DewPt@2m Temp@Bot - - - 71.7 - - 77.3 - - - - - 68.9 Temp@Bot DewPt@Bot - - - 39.2 - - 31.5 - - - - - 36.3 DewPt@bot Sfc.Heating - - - 489 - - 444 - - - - - -6 Sfc.Heating BL Depth - - - 5720 - - 12491 - - - - - 306 BL Depth EXPERIMENT - - - 5 - - 45 - - - - - 0 EXPERIMENT EXPERIMENT2 - - - 5 - - 4 - - - - - 5 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] 97813 11 255 14 255 16 285 97813 90392 9 223 7 255 11 342 90392 84670 6 164 6 203 10 003 84670 79938 8 059 5 175 5 059 79938 75865 9 047 3 023 8 064 75865 72274 6 335 6 347 7 341 72274 69062 6 307 9 314 10 329 69062 66139 9 262 13 261 12 344 66139 63428 12 231 14 246 18 282 63428 60814 11 214 15 255 26 276 60814 58095 14 270 21 259 32 269 58095 55277 33 260 30 265 35 269 55277 52582 36 264 39 264 42 266 52582 50141 37 266 43 256 44 265 50141 47941 39 265 44 259 47 269 47941 45934 46 265 50 264 47 271 45934 44092 54 267 55 264 40 279 44092 42396 55 267 54 261 40 286 42396 40827 53 268 49 263 42 290 40827 39364 54 268 45 266 43 289 39364 37993 54 265 45 267 42 284 37993 36681 52 263 44 267 38 279 36681 35365 51 261 41 269 32 280 35365 34021 52 261 39 271 25 282 34021 32654 51 267 38 272 21 287 32654 31249 44 272 35 274 24 296 31249 29791 35 268 31 273 26 295 29791 28280 32 263 32 262 27 289 28280 26719 30 267 34 255 31 286 26719 25110 26 271 31 252 31 287 25110 23461 26 264 26 252 28 292 23461 21769 23 257 24 252 28 294 21769 20026 17 262 19 259 29 293 20026 18266 18 281 13*276 25 285 18266 16578 22 277 11*277 21 276 16578 15040 17 267 10 275 13 272 15040 13663 11 265 10 272 10 265 13663 12425 9 285 10 269 10 263 12425 11307 7*294 10 267 10 264 11307 10298 6*277 9 262 10 264 10298 9389 7 260 9 259 9 261 9389 8574 7 252 9 257 9 256 8574 7842 8 249 9 255 7 246 7842 7177 8 246 9 253 6 225 7177 6580 8 244 9 251 6 197 6580 6076 8 242 9 250 7 172 6076 5685 8 240 9 249 7 153 5685 5415 8 240 9 249 6 137 5415 5250 8 239 8 249 5*118 5250 5155 7 239 8 248 3*106 5155 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