DrJack's BLIPSPOT for: THU 04/23 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 - - - 77.2 - - 81.4 - - - - - 69.1 Temp@2m Sfc.Heating - - - 554 - - 513 - - - - - -10 Sfc.Heating BL Depth - - - 6652 - - 9164 - - - - - 306 BL Depth Hcrit - - - 9882 - - 11904 - - - - - 5138 Hcrit BL Top - - - 11501 - - 14013 - - - - - 5155 BL Top Hgt.Variab. - - - 2318 - - 1690 - - - - - 2779 Hgt.Variab. W* - - - 648 - - 703 - - - - - 7 W* B/S - - - 7 - - 6 - - - - - 0 B/S BL Wind - - - 17 - - 20 - - - - - 5 BL Wind Direction - - - 264 - - 260 - - - - - 308 Direction Wind Shear - - - 11 - - 7 - - - - - 0 Wind Shear Max.Converg - - - -4 - - -4 - - - - - -3 Max.Converg CLOUDpotent - - - -3481 - - -3419 - - - - - -11163 CLOUDpotentl sfcLCL - - - 14983 - - 17433 - - - - - 16319 sfcLCL ODpotential - - - -7191 - - -7018 - - - - - -16548 ODpotential blCL - - - 18692 - - 21031 - - - - - 21703 blCL maxRH - - - 58 - - 71 - - - - - 89 maxRH CAPE - - - 0 - - 0 - - - - - 0 CAPE Temp@2m - - - 77.2 - - 81.4 - - - - - 69.1 Temp@2m DewPt@2m - - - 28.9 - - 21.8 - - - - - 15.7 DewPt@2m Temp@Bot - - - 73.9 - - 78.3 - - - - - 72.5 Temp@Bot DewPt@Bot - - - 28.7 - - 21.6 - - - - - 15.6 DewPt@bot Sfc.Heating - - - 554 - - 513 - - - - - -10 Sfc.Heating BL Depth - - - 6652 - - 9164 - - - - - 306 BL Depth EXPERIMENT - - - 0 - - 0 - - - - - 58 EXPERIMENT EXPERIMENT2 - - - 4 - - 3 - - - - - 2 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] 97679 21 245 21 257 14 294 97679 90278 16 301 17 243 23 307 90278 84591 15 278 8 258 19 289 84591 79874 14 295 13 298 13 268 79874 75807 13 311 14 307 13 281 75807 72231 10 262 12 273 13 322 72231 68999 6 310 7 258 9 357 68999 66037 12 295 16 270 25 300 66037 63329 16 289 15 264 24 270 63329 60728 17 302 21 293 16 261 60728 58006 38 292 40 291 33 285 58006 55181 48 279 49 282 48 287 55181 52484 52 274 53 284 56 277 52484 50052 55 273 65 287 64 276 50052 47866 70 279 83 285 83 278 47866 45893 90 282 90 282 100 276 45893 44106 98 286 92 284 102 274 44106 42463 103 293 97 285 104 275 42463 40923 103 294 98 283 108 277 40923 39469 98 292 94 282 108 279 39469 38097 93 290 91 281 103 280 38097 36778 91 291 86 280 96 280 36778 35452 90 294 80 280 90 280 35452 34090 80 295 75 283 85 281 34090 32699 62 285 71 286 79 280 32699 31268 57 271 66 283 73 278 31268 29788 62 270 66 278 68 277 29788 28263 61 274 64 277 64 276 28263 26691 54 277 57 276 58 273 26691 25076 45 280 49 275 51 267 25076 23425 38 279 43 273 46 265 23425 21734 36 278 39 273 42 270 21734 19992 35 277 38 273 40 272 19992 18230 33 272 37 273 38 266 18230 16543 33 262 34 270 35 262 16543 15007 35 249 28*265 29 262 15007 13634 33 240 21*261 24 262 13634 12401 27*238 21 260 21 262 12401 11288 21*246 20 260 18 264 11288 10284 19 254 20 260 17 270 10284 9379 17 265 20 260 15 278 9379 8568 17 267 20 260 15 288 8568 7839 17 269 20 260 16 295 7839 7176 17 270 19 260 17 302 7176 6581 17 270 19 260 17 307 6581 6078 16 271 18 260 17 310 6078 5686 16 272 18 260 16 312 5686 5415 15 272 17 260 12 311 5415 5250 15 272 17 260 8*311 5250 5155 13 272 15 260 5*308 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