DrJack's BLIPSPOT for: MON 04/27 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 - - - - - 1854z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - - - - 9 hr FCST PERIOD Temp@2m - - - 78.0 - - 83.2 - - - - - 73.9 Temp@2m Sfc.Heating - - - 574 - - 517 - - - - - -44 Sfc.Heating BL Depth - - - 6455 - - 9521 - - - - - 306 BL Depth Hcrit - - - 9735 - - 12202 - - - - - 5139 Hcrit BL Top - - - 11304 - - 14370 - - - - - 5155 BL Top Hgt.Variab. - - - 1905 - - 2024 - - - - - 901 Hgt.Variab. W* - - - 649 - - 714 - - - - - 13 W* B/S - - - 6 - - 6 - - - - - 0 B/S BL Wind - - - 20 - - 21 - - - - - 9 BL Wind Direction - - - 255 - - 246 - - - - - 163 Direction Wind Shear - - - 16 - - 11 - - - - - 0 Wind Shear Max.Converg - - - -4 - - -22 - - - - - -2 Max.Converg CLOUDpotent - - - -4365 - - -3070 - - - - - -8826 CLOUDpotentl sfcLCL - - - 15669 - - 17440 - - - - - 13981 sfcLCL ODpotential - - - -7847 - - -5482 - - - - - -12130 ODpotential blCL - - - 19151 - - 19852 - - - - - 17285 blCL maxRH - - - 35 - - 53 - - - - - 76 maxRH CAPE - - - 0 - - 0 - - - - - 0 CAPE Temp@2m - - - 78.0 - - 83.2 - - - - - 73.9 Temp@2m DewPt@2m - - - 26.7 - - 23.6 - - - - - 30.7 DewPt@2m Temp@Bot - - - 74.7 - - 80.2 - - - - - 76.0 Temp@Bot DewPt@Bot - - - 26.5 - - 23.5 - - - - - 30.7 DewPt@bot Sfc.Heating - - - 574 - - 517 - - - - - -44 Sfc.Heating BL Depth - - - 6455 - - 9521 - - - - - 306 BL Depth EXPERIMENT - - - 0 - - 0 - - - - - 3 EXPERIMENT EXPERIMENT2 - - - 3 - - 3 - - - - - 4 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] 97830 20 233 24 244 18 285 97830 90387 16 240 20 249 19 285 90387 84668 15 238 18 239 15 274 84668 79952 14 223 11 243 7 297 79952 75890 4 070 6 239 2 046 75890 72306 4 004 1 167 1 029 72306 69073 7 183 10 145 5 215 69073 66131 12 206 0 129 8 244 66131 63460 4 246 24 152 16 188 63460 60866 34 266 28 268 12 210 60866 58173 53 219 55 253 44 261 58173 55416 34 226 48 246 48 249 55416 52762 41 264 54 245 47 235 52762 50337 70 267 57 247 49 244 50337 48136 78 263 62 253 59 255 48136 46126 82 261 70 259 73 262 46126 44285 85 264 82 263 86 265 44285 42589 88 265 91 264 96 269 42589 41013 88 264 93 265 104 273 41013 39540 88 262 93 269 114 276 39540 38161 87 261 92 272 120 278 38161 36840 86 261 90 271 114 276 36840 35515 86 262 88 267 93 268 35515 34159 86 261 87 265 86 261 34159 32776 85 260 86 266 83 260 32776 31351 81 259 83 268 79 259 31351 29875 73 258 76 267 75 256 29875 28354 64 255 67 261 69 255 28354 26790 60 251 62 254 64 253 26790 25186 57 250 60 250 59 251 25186 23543 54 249 58 247 55 249 23543 21852 51 250 55 246 51 246 21852 20106 48 251 52 247 46 245 20106 18336 46 252 50 249 39 251 18336 16637 46 254 46 251 32 262 16637 15091 46 257 34*249 29 273 15091 13710 45 259 26*245 27 280 13710 12469 40*260 24 244 24 284 12469 11349 30*258 22 245 21 285 11349 10336 25 255 21 245 18 284 10336 9423 21 254 21 246 14 279 9423 8604 20 253 20 247 11 271 8604 7867 19 253 20 247 9 258 7867 7197 18 254 19 248 7 233 7197 6596 18 254 19 248 8 200 6596 6087 17 255 18 249 11 180 6087 5692 17 255 18 249 15 171 5692 5418 16 255 17 249 16 168 5418 5251 15 255 16 249 14 166 5251 5155 13 255 14 250 9*163 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