DrJack's BLIPSPOT for: WED 12/17 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 - - - - - - 30.0 - - 34.0 - - - Temp@2m Sfc.Heating - - - - - - 13 - - -4 - - - Sfc.Heating BL Depth - - - - - - 142 - - 144 - - - BL Depth Hcrit - - - - - - 986 - - 986 - - - Hcrit BL Top - - - - - - 1097 - - 1099 - - - BL Top Hgt.Variab. - - - - - - 368 - - 813 - - - Hgt.Variab. W* - - - - - - 51 - - 0 - - - W* B/S - - - - - - 1 - - 0 - - - B/S BL Wind - - - - - - 8 - - 11 - - - BL Wind Direction - - - - - - 145 - - 138 - - - Direction Wind Shear - - - - - - 3 - - 3 - - - Wind Shear Max.Converg - - - - - - 1 - - 1 - - - Max.Converg CLOUDpotent - - - - - - -308 - - 97 - - - CLOUDpotentl sfcLCL - - - - - - 1405 - - 1003 - - - sfcLCL ODpotential - - - - - - -11924 - - -236 - - - ODpotential blCL - - - - - - 13021 - - 1335 - - - blCL maxRH - - - - - - 89 - - 100 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 30.0 - - 34.0 - - - Temp@2m DewPt@2m - - - - - - 27.6 - - 33.9 - - - DewPt@2m Temp@Bot - - - - - - 29.9 - - 34.6 - - - Temp@Bot DewPt@Bot - - - - - - 27.3 - - 34.0 - - - DewPt@bot Sfc.Heating - - - - - - 13 - - -4 - - - Sfc.Heating BL Depth - - - - - - 142 - - 144 - - - BL Depth EXPERIMENT - - - - - - 57 - - 99 - - - EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 4 - - - 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] 95976 16 004 16 350 95976 89068 17 327 7 339 89068 83611 11 301 7 293 83611 79013 11 270 18 266 79013 75028 7 232 20 263 75028 71498 9 269 19 265 71498 68289 18 293 17 270 68289 65339 19 275 21 263 65339 62601 18 278 24 267 62601 59932 31 275 28 282 59932 57150 42 273 39 264 57150 54267 49 267 44 271 54267 51503 48 283 57 273 51503 48992 60 290 64 275 48992 46723 73 290 62 279 46723 44652 76 288 65 288 44652 42754 70 286 74 291 42754 41024 67 291 78 287 41024 39445 69 296 69 281 39445 38002 73 296 56 289 38002 36674 73 294 69 308 36674 35401 69 296 77 300 35401 34104 67 299 83 290 34104 32753 66 303 77 296 32753 31352 69 307 72 309 31352 29887 72 309 60 308 29887 28345 73 312 55 293 28345 26726 70 309 53 285 26726 25031 62 297 42 283 25031 23257 58 287 43 280 23257 21405 55 285 50 278 21405 19475 47 290 51 277 19475 17472 40 291 42 269 17472 15432 41 281 36 267 15432 13464 36 275 34 256 13464 11674 30 262 34 236 11674 10082 27 251 33 229 10082 8667 25 242 33 226 8667 7404 24 230 36 225 7404 6281 22 223 38 219 6281 5286 20 219 36 210 5286 4409 17 222 34 200 4409 3639 14 218 35 197 3639 2958 12 203 32 191 2958 2363 11 186 26 180 2363 1874 11 160 21 161 1874 1502 13 140 18 148 1502 1246 12*142 15*141 1246 1091 10*144 13*139 1091 1003 7 146 10 136 1003 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