DrJack's BLIPSPOT for: MON 04/13 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 - - - - - - 0700z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 69.3 - - 75.8 - - - Temp@2m Sfc.Heating - - - - - - 29 - - 22 - - - Sfc.Heating BL Depth - - - - - - 1268 - - 1506 - - - BL Depth Hcrit - - - - - - 989 - - 990 - - - Hcrit BL Top - - - - - - 2223 - - 2461 - - - BL Top Hgt.Variab. - - - - - - 1677 - - 2249 - - - Hgt.Variab. W* - - - - - - 152 - - 166 - - - W* B/S - - - - - - 2 - - 2 - - - B/S BL Wind - - - - - - 15 - - 18 - - - BL Wind Direction - - - - - - 190 - - 184 - - - Direction Wind Shear - - - - - - 8 - - 9 - - - Wind Shear Max.Converg - - - - - - -5 - - -1 - - - Max.Converg CLOUDpotent - - - - - - 871 - - 538 - - - CLOUDpotentl sfcLCL - - - - - - 1352 - - 1923 - - - sfcLCL ODpotential - - - - - - 170 - - -782 - - - ODpotential blCL - - - - - - 2053 - - 3243 - - - blCL maxRH - - - - - - 99 - - 86 - - - maxRH CAPE - - - - - - 2050 - - 4010 - - - CAPE Temp@2m - - - - - - 69.3 - - 75.8 - - - Temp@2m DewPt@2m - - - - - - 66.2 - - 70.0 - - - DewPt@2m Temp@Bot - - - - - - 69.1 - - 75.7 - - - Temp@Bot DewPt@Bot - - - - - - 65.4 - - 68.9 - - - DewPt@bot Sfc.Heating - - - - - - 29 - - 22 - - - Sfc.Heating BL Depth - - - - - - 1268 - - 1506 - - - BL Depth EXPERIMENT - - - - - - 96 - - 46 - - - EXPERIMENT EXPERIMENT2 - - - - - - 14 - - 15 - - - 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] 96659 31 300 31 290 96659 89379 28 276 33 293 89379 83864 28 280 28 286 83864 79328 25 281 26 283 79328 75420 22 271 22 278 75420 71954 21 260 23 272 71954 68781 14 258 19 250 68781 65815 7 285 17 241 65815 63048 30 260 29 259 63048 60377 38 244 32 256 60377 57582 46 237 36 250 57582 54665 48 238 40 254 54665 51879 53 246 54 253 51879 49383 50 253 60 255 49383 47171 60 263 70 258 47171 45188 78 256 80 254 45188 43388 83 248 84 249 43388 41742 80 247 82 245 41742 40219 78 251 76 244 40219 38795 79 253 73 243 38795 37448 79 252 73 243 37448 36138 79 250 72 244 36138 34805 78 249 71 246 34805 33418 75 247 69 248 33418 31981 72 244 67 250 31981 30480 67 243 62 251 30480 28905 60 244 55 251 28905 27255 52 248 50 248 27255 25529 41 243 45 245 25529 23737 41 250 37 246 23737 21883 40 252 32 247 21883 19953 36 231 32 241 19953 17937 37 232 34 239 17937 15880 39 230 36 238 15880 13896 39 228 35 240 13896 12084 35 228 36 242 12084 10462 32 226 38 238 10462 9015 30 220 39 235 9015 7721 28 214 41 233 7721 6567 28 211 43 230 6567 5542 29 212 40 225 5542 4639 28 212 35 217 4639 3841 25 206 30 209 3841 3125 22 201 28 204 3125 2491 21*200 24*193 2491 1962 18*193 21*188 1962 1555 15 190 19 185 1555 1274 14 188 18 183 1274 1104 13 187 16 182 1104 1006 10 186 13 181 1006 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