DrJack's BLIPSPOT for: THU 01/29 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 = 18Z 3Z ----------------------------------- VALIDATION TIME --------------------------------------- 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z ------------------------------------------------------------------------------------------- Update Time - - - 0954z - - 1002z - - 1334z - - 1853z Update Time FCST PERIOD - - - 9 hr - - 12 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m - - - 56.2 - - 58.2 - - 51.8 - - 45.7 Temp@2m Sfc.Heating - - - 274 - - 318 - - 10 - - -16 Sfc.Heating BL Depth - - - 2509 - - 3263 - - 304 - - 304 BL Depth Hcrit - - - 6385 - - 7000 - - 5137 - - 5136 Hcrit BL Top - - - 7358 - - 8112 - - 5153 - - 5153 BL Top Hgt.Variab. - - - 1051 - - 1378 - - 2784 - - 1738 Hgt.Variab. W* - - - 370 - - 424 - - 61 - - 0 W* B/S - - - 4 - - 6 - - 1 - - 0 B/S BL Wind - - - 18 - - 13 - - 9 - - 8 BL Wind Direction - - - 014 - - 012 - - 037 - - 044 Direction Wind Shear - - - 5 - - 4 - - 0 - - 0 Wind Shear Max.Converg - - - -3 - - -2 - - 1 - - -1 Max.Converg CLOUDpotent - - - -7685 - - -7855 - - -8553 - - -6356 CLOUDpotentl sfcLCL - - - 15044 - - 15967 - - 13706 - - 11509 sfcLCL ODpotential - - - -15560 - - -15711 - - -15740 - - -13311 ODpotential blCL - - - 22918 - - 23823 - - 20893 - - 18464 blCL maxRH - - - 86 - - 77 - - 88 - - 91 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 56.2 - - 58.2 - - 51.8 - - 45.7 Temp@2m DewPt@2m - - - 8.5 - - 6.2 - - 10.3 - - 14.0 DewPt@2m Temp@Bot - - - 54.2 - - 56.0 - - 51.5 - - 46.3 Temp@Bot DewPt@Bot - - - 8.2 - - 6.0 - - 10.2 - - 14.0 DewPt@bot Sfc.Heating - - - 274 - - 318 - - 10 - - -16 Sfc.Heating BL Depth - - - 2509 - - 3263 - - 304 - - 304 BL Depth EXPERIMENT - - - 43 - - 8 - - 53 - - 65 EXPERIMENT EXPERIMENT2 - - - 2 - - 1 - - 2 - - 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] 96473 27 262 49 242 55 258 36 275 96473 89146 34 261 36 245 41 260 36 280 89146 83547 31 260 25 262 27 268 33 281 83547 78947 17 282 23 272 18 271 26 285 78947 75002 13 312 18 264 18 261 23 285 75002 71520 15 307 12 283 11 232 21 280 71520 68371 27 288 26 314 17 326 19 278 68371 65496 36 272 38 290 33 315 24 286 65496 62857 34 263 39 273 38 299 32 293 62857 60311 31 283 35 273 39 287 41 282 60311 57652 38 288 41 277 43 280 44 272 57652 54876 46 278 54 276 51 278 48 277 54876 52200 49 274 61 267 63 266 64 270 52200 49769 56 274 62 263 71 261 74 264 49769 47573 72 272 73 270 77 263 81 267 47573 45570 83 271 85 273 85 269 88 269 45570 43731 84 270 91 272 91 272 94 270 43731 42036 90 266 95 266 97 270 102 268 42036 40466 107 260 105 262 104 267 107 266 40466 39005 116 258 115 259 112 264 113 265 39005 37642 112 261 117 259 118 263 116 264 37642 36339 109 266 111 265 116 265 112 265 36339 35031 107 270 102 270 109 268 108 273 35031 33692 101 270 96 273 106 274 106 274 33692 32322 93 269 94 273 108 279 103 276 32322 30907 87 275 86 273 102 280 97 276 30907 29436 79 277 81 277 89 279 93 277 29436 27917 74 277 81 278 79 275 87 277 27917 26354 74 274 77 276 71 272 77 280 26354 24751 73 272 66 277 60 276 63 277 24751 23108 63 273 56 277 51 280 50 274 23108 21422 49 275 46 277 46 283 42 286 21422 19695 42 281 41 287 42 292 34 299 19695 17952 39 285 39 298 34 299 31 297 17952 16276 36 291 34 303 30 303 30 294 16276 14749 32 299 29 304 30 305 28 299 14749 13386 29 306 28 305 29 309 26 304 13386 12166 25 308 27 306 28 312 23 309 12166 11071 20 306 24 304 26 312 19 313 11071 10089 16 310 19 302 21 306 14 305 10089 9207 16 328 14 308 14 297 10 287 9207 8419 16 354 11*342 10 302 7 306 8419 7714 18*010 12*000 8 355 8 017 7714 7077 18*012 13 008 11 023 17 043 7077 6509 18 013 13 012 13 032 22 046 6509 6030 18 014 14 014 13 035 21 045 6030 5658 18 015 14 016 13 036 19 043 5658 5401 17 015 13 017 12 036 16 042 5401 5243 16 016 13 018 11*037 13*042 5243 5153 13 016 11 018 9*037 8*044 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