DrJack's BLIPSPOT for: THU 08/27 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 = 15Z 3Z ----------------------------------- VALIDATION TIME --------------------------------------- 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 1000z - - - - - 1602z Update Time FCST PERIOD - - - - - - 12 hr - - - - - 12 hr FCST PERIOD Temp@2m - - - - - - 89.0 - - - - - 75.4 Temp@2m Sfc.Heating - - - - - - 306 - - - - - -8 Sfc.Heating BL Depth - - - - - - 9292 - - - - - 306 BL Depth Hcrit - - - - - - 11734 - - - - - 5139 Hcrit BL Top - - - - - - 14141 - - - - - 5155 BL Top Hgt.Variab. - - - - - - 3604 - - - - - 1839 Hgt.Variab. W* - - - - - - 594 - - - - - 11 W* B/S - - - - - - 10 - - - - - 0 B/S BL Wind - - - - - - 10 - - - - - 4 BL Wind Direction - - - - - - 065 - - - - - 124 Direction Wind Shear - - - - - - 9 - - - - - 0 Wind Shear Max.Converg - - - - - - -4 - - - - - 0 Max.Converg CLOUDpotent - - - - - - 316 - - - - - -3651 CLOUDpotentl sfcLCL - - - - - - 13825 - - - - - 8806 sfcLCL ODpotential - - - - - - -856 - - - - - -7500 ODpotential blCL - - - - - - 14997 - - - - - 12655 blCL maxRH - - - - - - 99 - - - - - 56 maxRH CAPE - - - - - - 220 - - - - - 630 CAPE Temp@2m - - - - - - 89.0 - - - - - 75.4 Temp@2m DewPt@2m - - - - - - 45.9 - - - - - 54.5 DewPt@2m Temp@Bot - - - - - - 86.5 - - - - - 77.1 Temp@Bot DewPt@Bot - - - - - - 45.8 - - - - - 54.4 DewPt@bot Sfc.Heating - - - - - - 306 - - - - - -8 Sfc.Heating BL Depth - - - - - - 9292 - - - - - 306 BL Depth EXPERIMENT - - - - - - 97 - - - - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 7 - - - - - 11 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] 98802 31 101 36 093 98802 91353 32 102 36 096 91353 85614 31 096 34 100 85614 80851 29 086 30 091 80851 76768 27 084 23 088 76768 73175 23 112 19 098 73175 69917 22 106 18 090 69917 66920 16 085 16 095 66920 64155 13 087 15 079 64155 61514 10 095 12 063 61514 58801 7 067 15 060 58801 56023 6 050 16 026 56023 53401 10 063 12 019 53401 51040 13 047 7 052 51040 48897 18 015 13 039 48897 46932 16 009 16 015 46932 45122 16 020 16 004 45122 43438 20 024 19 358 43438 41858 20 026 17 001 41858 40371 15 020 14 020 40371 38969 9 351 16 029 38969 37621 7 274 17 030 37621 36268 7 233 11 028 36268 34882 5 223 4 323 34882 33466 8 233 8 339 33466 32008 8 274 11 355 32008 30497 9 354 12 013 30497 28934 10 041 18 020 28934 27319 12 038 24 019 27319 25657 18 021 25 018 25657 23952 23 017 23 026 23952 22208 24 030 22 040 22208 20418 26 036 20 053 20418 18606 24 030 20 048 18606 16864 16 025 21 040 16864 15277 13*030 20 037 15277 13859 12*032 19 035 13859 12587 10 052 16 032 12587 11441 10 057 14 038 11441 10408 10 061 14 058 10408 9479 11 067 15 074 9479 8647 11 071 15 085 8647 7900 11 073 15 098 7900 7221 11 075 15 110 7221 6612 11 077 16 119 6612 6097 11 078 16 125 6097 5698 11 078 15 128 5698 5421 11 079 12 130 5421 5252 11 079 8 128 5252 5155 10 079 4*124 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