DrJack's BLIPSPOT for: THU 04/30 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 - - - 0700z - - 1003z - - 1332z - - 1854z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m - - - 78.3 - - 79.6 - - 71.6 - - 60.0 Temp@2m Sfc.Heating - - - 496 - - 207 - - 76 - - -13 Sfc.Heating BL Depth - - - 7618 - - 8496 - - 3967 - - 305 BL Depth Hcrit - - - 10623 - - 10858 - - 6723 - - 5138 Hcrit BL Top - - - 12467 - - 13345 - - 8816 - - 5154 BL Top Hgt.Variab. - - - 2544 - - 3057 - - 4945 - - 3015 Hgt.Variab. W* - - - 653 - - 507 - - 282 - - 11 W* B/S - - - 9 - - 17 - - 2 - - 0 B/S BL Wind - - - 12 - - 5 - - 21 - - 11 BL Wind Direction - - - 275 - - 248 - - 055 - - 066 Direction Wind Shear - - - 8 - - 9 - - 4 - - 0 Wind Shear Max.Converg - - - -9 - - 17 - - -6 - - 2 Max.Converg CLOUDpotent - - - -2637 - - -1860 - - -1511 - - -2079 CLOUDpotentl sfcLCL - - - 15105 - - 15205 - - 10327 - - 7233 sfcLCL ODpotential - - - -4792 - - -3761 - - -3159 - - -5705 ODpotential blCL - - - 17259 - - 17106 - - 11975 - - 10859 blCL maxRH - - - 87 - - 99 - - 100 - - 89 maxRH CAPE - - - 0 - - 0 - - 260 - - 0 CAPE Temp@2m - - - 78.3 - - 79.6 - - 71.6 - - 60.0 Temp@2m DewPt@2m - - - 29.4 - - 30.3 - - 43.9 - - 45.8 DewPt@2m Temp@Bot - - - 75.2 - - 77.7 - - 70.8 - - 60.2 Temp@Bot DewPt@Bot - - - 29.3 - - 30.1 - - 43.9 - - 45.9 DewPt@bot Sfc.Heating - - - 496 - - 207 - - 76 - - -13 Sfc.Heating BL Depth - - - 7618 - - 8496 - - 3967 - - 305 BL Depth EXPERIMENT - - - 50 - - 96 - - 99 - - 57 EXPERIMENT EXPERIMENT2 - - - 4 - - 4 - - 7 - - 8 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] 97712 27 239 22 232 26 250 23 285 97712 90225 18 234 17 253 20 253 21 267 90225 84494 11 230 13 238 15 260 18 250 84494 79776 4 284 6 188 8 255 12 246 79776 75733 7 306 4 354 1 181 3 276 75733 72168 4 351 8 355 8 009 8 006 72168 68953 7 063 4 097 5 290 8 330 68953 66024 8 024 4 126 1 259 2 153 66024 63322 9 282 12 282 12 275 2 331 63322 60706 38 272 23 301 24 286 27 298 60706 58005 43 261 29 279 26 281 42 276 58005 55224 40 262 39 264 36 274 48 259 55224 52555 44 262 48 255 42 263 45 250 52555 50127 52 276 55 261 42 259 46 259 50127 47938 74 275 72 269 54 268 69 269 47938 45958 88 269 97 268 89 268 101 265 45958 44153 87 268 103 264 111 262 108 258 44153 42490 77 269 95 260 106 257 103 254 42490 40941 78 273 88 260 99 252 104 253 40941 39488 81 275 87 260 98 251 105 254 39488 38120 74 272 87 262 100 254 99 255 38120 36805 72 270 86 263 102 257 90 258 36805 35480 78 267 86 264 102 259 89 260 35480 34115 75 264 85 264 99 260 88 260 34115 32715 72 261 83 265 96 261 88 259 32715 31270 72 259 82 265 93 262 87 257 31270 29771 75 260 82 264 92 261 85 255 29771 28220 76 262 82 262 91 259 83 252 28220 26622 74 263 81 261 88 255 84 249 26622 24989 70 263 78 260 78 250 80 243 24989 23332 66 262 73 256 61 244 69 237 23332 21641 61 260 67 251 47 238 60 235 21641 19899 55 256 58 248 39 235 53 233 19899 18135 52 251 46 247 33 234 45 228 18135 16442 44 245 32 240 29 236 39 220 16442 14903 34 243 16 226 23 239 32 218 14903 13530 26*253 12*222 15 242 24 220 13530 12301 18*265 11*223 6 242 14 227 12301 11196 14 272 7 230 2 066 9 262 11196 10199 12 277 6 238 10 060 9 290 10199 9302 12 277 5 246 14*057 9 341 9302 8500 12 278 5 255 19*055 14 031 8500 7784 12 278 5 260 21 055 20 051 7784 7134 12 278 5 266 22 055 22 061 7134 6552 12 278 5 271 22 055 22 064 6552 6058 12 278 5 275 22 054 22 065 6058 5676 12 278 5 277 22 054 21 066 5676 5410 11 278 5 279 21 054 18 066 5410 5248 11 278 4 279 19 054 16 066 5248 5154 10 277 4 279 15 054 11*066 5154 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