DrJack's BLIPSPOT for: FRI 02/20 Atkins_VA 2558ft pt29724@36.958,-81.342,2720ft SPONSORED BY: Randy Newberry BLIPSPOT sfc.temp. adjusted by -0.5 degF RUC - Last Analysis,Validation Time = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1001z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 54.9 - - 52.0 - - 44.6 Temp@2m Sfc.Heating - - - - - - 23 - - -44 - - -86 Sfc.Heating BL Depth - - - - - - 258 - - 258 - - 257 BL Depth Hcrit - - - - - - 2799 - - 2799 - - 2799 Hcrit BL Top - - - - - - 2816 - - 2816 - - 2815 BL Top Hgt.Variab. - - - - - - 4166 - - 3719 - - 890 Hgt.Variab. W* - - - - - - 101 - - 74 - - 44 W* B/S - - - - - - 1 - - 1 - - 1 B/S BL Wind - - - - - - 13 - - 13 - - 9 BL Wind Direction - - - - - - 252 - - 254 - - 261 Direction Wind Shear - - - - - - 0 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -1 - - -1 - - -2 Max.Converg CLOUDpotent - - - - - - -2530 - - -2148 - - -649 CLOUDpotentl sfcLCL - - - - - - 5346 - - 4964 - - 3465 sfcLCL ODpotential - - - - - - -5819 - - -6038 - - -5437 ODpotential blCL - - - - - - 8635 - - 8854 - - 8252 blCL maxRH - - - - - - 57 - - 54 - - 67 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 54.9 - - 52.0 - - 44.6 Temp@2m DewPt@2m - - - - - - 41.1 - - 39.9 - - 39.2 DewPt@2m Temp@Bot - - - - - - 54.3 - - 52.6 - - 46.8 Temp@Bot DewPt@Bot - - - - - - 39.8 - - 38.6 - - 38.5 DewPt@bot Sfc.Heating - - - - - - 23 - - -44 - - -86 Sfc.Heating BL Depth - - - - - - 258 - - 258 - - 257 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 6 - - 6 - - 6 EXPERIMENT2 PROFILES OF WIND SPEED [kt] AND DIRECTION [degTrue] ----------------------------------- VALIDATION TIME --------------------------------------- Height 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z [ft] ------------------------------------------------------------------------------------------- [ft] 96687 22 098 27 062 29 071 96687 89529 23 092 19 079 24 076 89529 83965 15 085 16 099 17 068 83965 79318 14 081 15 109 8 075 79318 75303 6 032 8 088 4 079 75303 71750 10 064 6 025 5 014 71750 68536 7 358 5 256 8 331 68536 65580 13 315 6 275 12 279 65580 62850 3 289 8 246 11 259 62850 60203 9 238 17 242 15 215 60203 57439 22 264 30 252 29 247 57439 54578 43 279 37 267 38 259 54578 51857 78 263 69 269 61 259 51857 49428 80 252 89 266 76 260 49428 47256 83 256 107 261 97 261 47256 45278 103 258 111 251 114 252 45278 43460 120 256 112 247 121 248 43460 41779 126 255 117 248 128 248 41779 40215 127 254 125 249 137 248 40215 38753 125 252 131 248 143 246 38753 37376 121 251 130 246 143 244 37376 36048 117 249 127 244 141 243 36048 34703 115 248 125 244 138 243 34703 33314 115 247 123 245 137 245 33314 31886 116 247 121 246 134 247 31886 30404 116 247 120 248 133 248 30404 28856 113 248 122 249 131 250 28856 27249 109 247 121 250 126 251 27249 25588 105 248 115 249 119 250 25588 23876 102 250 109 252 112 252 23876 22110 100 253 104 254 106 255 22110 20282 96 254 99 255 102 256 20282 18390 90 254 97 255 102 257 18390 16473 86 256 96 253 99 255 16473 14635 84 260 90 258 91 261 14635 12964 82 262 85 265 84 270 12964 11478 77 260 80 269 79 273 11478 10158 73 261 73 270 74 271 10158 8982 69 263 67 270 70 270 8982 7933 62 263 63 269 69 273 7933 6999 53 261 56 266 65 275 6999 6172 44 258 48 262 59 273 6172 5440 38 255 42 258 46 268 5440 4782 34 253 38 256 40 264 4782 4197 32 253 36 255 38 263 4197 3706 30 253 33 255 34 261 3706 3327 27 252 29 254 29 260 3327 3065 24 252 25 254 21 260 3065 2906 20*252 21*254 17 261 2906 2815 13*252 13*254 9*261 2815 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 18Z - heights for other times differ slightly Results neglect thermals created by small-scale features not resolved by the smoothed model topography