DrJack's BLIPSPOT for: TUE 03/31 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 - - - 79.7 - - 80.5 - - - - - 66.9 Temp@2m Sfc.Heating - - - 456 - - 342 - - - - - -3 Sfc.Heating BL Depth - - - 11046 - - 11765 - - - - - 306 BL Depth Hcrit - - - 13391 - - 13808 - - - - - 5138 Hcrit BL Top - - - 15895 - - 16614 - - - - - 5155 BL Top Hgt.Variab. - - - 2748 - - 2453 - - - - - 443 Hgt.Variab. W* - - - 719 - - 667 - - - - - 0 W* B/S - - - 13 - - 14 - - - - - 0 B/S BL Wind - - - 10 - - 9 - - - - - 3 BL Wind Direction - - - 291 - - 267 - - - - - 295 Direction Wind Shear - - - 2 - - 3 - - - - - 0 Wind Shear Max.Converg - - - -7 - - -5 - - - - - -3 Max.Converg CLOUDpotent - - - 492 - - 802 - - - - - -6941 CLOUDpotentl sfcLCL - - - 15403 - - 15813 - - - - - 12097 sfcLCL ODpotential - - - -346 - - -121 - - - - - -10523 ODpotential blCL - - - 16241 - - 16735 - - - - - 15678 blCL maxRH - - - 81 - - 89 - - - - - 74 maxRH CAPE - - - 40 - - 40 - - - - - 0 CAPE Temp@2m - - - 79.7 - - 80.5 - - - - - 66.9 Temp@2m DewPt@2m - - - 29.4 - - 28.4 - - - - - 32.2 DewPt@2m Temp@Bot - - - 76.8 - - 78.0 - - - - - 71.1 Temp@Bot DewPt@Bot - - - 29.3 - - 28.4 - - - - - 32.2 DewPt@bot Sfc.Heating - - - 456 - - 342 - - - - - -3 Sfc.Heating BL Depth - - - 11046 - - 11765 - - - - - 306 BL Depth EXPERIMENT - - - 26 - - 55 - - - - - 0 EXPERIMENT EXPERIMENT2 - - - 4 - - 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] 97112 42 243 45 258 48 276 97112 89730 28 260 38 260 37 276 89730 84122 31 282 27 264 25 277 84122 79486 30 283 19 265 19 284 79486 75485 20 282 13 265 21 289 75485 71978 16 294 15 299 18 297 71978 68834 9 313 14 302 12 316 68834 65946 11 292 12 296 16 306 65946 63272 22 282 22 290 14 278 63272 60676 27 276 27 286 21 301 60676 57959 33 270 41 288 35 288 57959 55132 37 268 42 280 39 286 55132 52420 45 281 43 291 45 291 52420 49972 44 288 45 289 47 287 49972 47777 45 308 47 313 42 294 47777 45804 53 317 64 316 53 313 45804 44026 59 328 55 316 65 309 44026 42391 93 340 64 334 69 323 42391 40863 98 340 80 338 77 336 40863 39428 81 341 76 335 70 337 39428 38078 63 341 68 326 57 333 38078 36780 53 331 65 323 50 324 36780 35469 45 321 59 328 52 318 35469 34120 36 312 50 334 53 318 34120 32736 29 302 42 332 53 318 32736 31309 28 295 37 322 47 317 31309 29830 29 295 35 320 34 318 29830 28303 27 298 26 305 27 311 28303 26729 22 301 27 294 30 304 26729 25112 17 303 27 296 30 305 25112 23454 12 293 21 274 26 302 23454 21756 10 252 18 257 20 288 21756 20015 12 236 13 254 17 280 20015 18258 8 238 7*253 13 265 18258 16573 5*265 7*256 10 248 16573 15036 8*293 7 259 8 244 15036 13659 8 295 7 261 8 251 13659 12421 9 295 8 264 9 264 12421 11305 9 294 8 266 10 273 11305 10298 10 293 9 268 11 279 10298 9391 10 291 10 269 12 283 9391 8577 11 291 10 270 12 287 8577 7846 11 289 10 271 12 290 7846 7181 11 288 11 271 12 292 7181 6584 11 287 11 271 12 294 6584 6080 11 286 11 271 12 296 6080 5688 11 285 11 272 10 297 5688 5416 11 285 10 271 9 299 5416 5250 11 284 10 272 6*298 5250 5155 10 284 9 271 3*295 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