DrJack's BLIPSPOT for: TUE 09/08 Ames_IA 955ft pt37194@41.911,-93.594,951ft SPONSORED BY: Silent Knights Glider Club BLIPSPOT sfc.temp. adjusted by +0.0 degF RUC - Last Analysis,Validation Time = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0955z - - 1000z - - - Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 82.4 - - 87.7 - - - Temp@2m Sfc.Heating - - - - - - 63 - - 17 - - - Sfc.Heating BL Depth - - - - - - 1168 - - 1833 - - - BL Depth Hcrit - - - - - - 990 - - 990 - - - Hcrit BL Top - - - - - - 2123 - - 2788 - - - BL Top Hgt.Variab. - - - - - - 790 - - 2079 - - - Hgt.Variab. W* - - - - - - 182 - - 161 - - - W* B/S - - - - - - 5 - - 4 - - - B/S BL Wind - - - - - - 7 - - 8 - - - BL Wind Direction - - - - - - 187 - - 169 - - - Direction Wind Shear - - - - - - 3 - - 3 - - - Wind Shear Max.Converg - - - - - - 0 - - 1 - - - Max.Converg CLOUDpotent - - - - - - -869 - - -814 - - - CLOUDpotentl sfcLCL - - - - - - 2992 - - 3602 - - - sfcLCL ODpotential - - - - - - -4924 - - -3718 - - - ODpotential blCL - - - - - - 7047 - - 6506 - - - blCL maxRH - - - - - - 92 - - 100 - - - maxRH CAPE - - - - - - 1450 - - 3230 - - - CAPE Temp@2m - - - - - - 82.4 - - 87.7 - - - Temp@2m DewPt@2m - - - - - - 72.2 - - 74.8 - - - DewPt@2m Temp@Bot - - - - - - 81.9 - - 87.6 - - - Temp@Bot DewPt@Bot - - - - - - 71.4 - - 73.9 - - - DewPt@bot Sfc.Heating - - - - - - 63 - - 17 - - - Sfc.Heating BL Depth - - - - - - 1168 - - 1833 - - - BL Depth EXPERIMENT - - - - - - 68 - - 100 - - - EXPERIMENT EXPERIMENT2 - - - - - - 17 - - 18 - - - 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] 99070 13 179 7 135 99070 91616 13 157 5 168 91616 85818 7 121 13 171 85818 81009 3 329 12 172 81009 76894 4 235 7 176 76894 73282 7 152 3 175 73282 70027 6 107 5 147 70027 67033 4 163 2 116 67033 64267 12 189 10 261 64267 61611 11 168 16 227 61611 58877 6 244 19 237 58877 56067 17 280 18 275 56067 53408 34 288 30 283 53408 51026 38 286 35 281 51026 48888 43 283 44 279 48888 46938 42 275 46 272 46938 45139 40 272 44 264 45139 43460 40 266 45 259 43460 41882 42 256 46 253 41882 40388 47 251 49 248 40388 38973 48 248 53 245 38973 37603 43 243 52 244 37603 36208 38 243 50 246 36208 34757 37 248 50 249 34757 33254 38 254 48 251 33254 31684 36 255 46 254 31684 30034 34 252 42 257 30034 28305 34 256 39 259 28305 26496 34 261 35 254 26496 24608 27 259 32 256 24608 22648 24 267 32 262 22648 20612 28 265 27 260 20612 18494 30 249 24 255 18494 16336 29 247 26 262 16336 14267 28 244 27 247 14267 12388 24 240 27 235 12388 10717 20 240 28 227 10717 9227 21 231 27 223 9227 7898 25 237 29 229 7898 6714 28 244 30 232 6714 5663 29 248 28 230 5663 4735 28 248 24 224 4735 3915 26 242 18 213 3915 3179 21 233 13*197 3179 2530 14*217 9*175 2530 1987 8*192 9 170 1987 1569 7 187 8 168 1569 1282 7 185 8 167 1282 1107 7 184 7 166 1107 1007 6 183 6 166 1007 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