DrJack's BLIPSPOT for: THU 12/18 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0700z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 29.3 - - 21.4 - - 13.2 Temp@2m Sfc.Heating - - - - - - 5 - - 10 - - -25 Sfc.Heating BL Depth - - - - - - 2704 - - 2869 - - 46 BL Depth Hcrit - - - - - - 986 - - 985 - - 985 Hcrit BL Top - - - - - - 3659 - - 3824 - - 1001 BL Top Hgt.Variab. - - - - - - 819 - - 1366 - - 3647 Hgt.Variab. W* - - - - - - 120 - - 134 - - 14 W* B/S - - - - - - 1 - - 1 - - 0 B/S BL Wind - - - - - - 37 - - 38 - - 17 BL Wind Direction - - - - - - 294 - - 295 - - 302 Direction Wind Shear - - - - - - 20 - - 22 - - 0 Wind Shear Max.Converg - - - - - - -6 - - -4 - - -3 Max.Converg CLOUDpotent - - - - - - 899 - - 1385 - - -1195 CLOUDpotentl sfcLCL - - - - - - 2760 - - 2439 - - 2196 sfcLCL ODpotential - - - - - - -38 - - 665 - - -1875 ODpotential blCL - - - - - - 3697 - - 3159 - - 2876 blCL maxRH - - - - - - 100 - - 101 - - 91 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 29.3 - - 21.4 - - 13.2 Temp@2m DewPt@2m - - - - - - 20.5 - - 14.2 - - 7.3 DewPt@2m Temp@Bot - - - - - - 29.3 - - 21.3 - - 14.5 Temp@Bot DewPt@Bot - - - - - - 19.7 - - 13.3 - - 7.0 DewPt@bot Sfc.Heating - - - - - - 5 - - 10 - - -25 Sfc.Heating BL Depth - - - - - - 2704 - - 2869 - - 46 BL Depth EXPERIMENT - - - - - - 101 - - 103 - - 62 EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 2 - - 1 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] 96264 19 267 8 291 20 254 96264 89217 6 258 9 244 11 238 89217 83690 6 221 13 245 7 230 83690 79076 11 245 15 241 11 261 79076 75101 13 270 14 239 13 266 75101 71569 15 253 14 260 14 280 71569 68353 9 226 17 264 13 281 68353 65390 5 289 17 269 17 280 65390 62634 7 278 14 266 14 274 62634 59934 10 259 11 265 15 275 59934 57078 26 269 19 261 30 274 57078 54092 44 247 31 261 37 267 54092 51226 50 259 37 261 38 262 51226 48645 53 259 36 260 34 253 48645 46333 48 258 31 263 27 249 46333 44234 42 260 27 275 29 264 44234 42314 40 263 34 277 34 271 42314 40541 36 255 42 269 38 281 40541 38888 31 245 43 261 43 278 38888 37342 36 235 42 254 40 276 37342 35892 37 229 42 252 39 283 35892 34499 40 235 41 253 43 292 34499 33100 48 236 39 258 47 296 33100 31665 56 224 37 258 45 299 31665 30199 56 217 34 256 46 308 30199 28691 55 217 31 262 45 307 28691 27126 54 214 34 275 47 312 27126 25503 52 209 38 273 53 317 25503 23824 51 207 42 271 51 317 23824 22090 46 210 49 262 49 320 22090 20300 51 206 51 258 53 325 20300 18443 55 201 48 269 59 326 18443 16513 51 210 49 279 55 323 16513 14550 44 232 47 282 51 317 14550 12665 32 243 42 281 51 315 12665 10956 36 255 40 280 48 317 10956 9436 50 252 37 287 48 319 9436 8088 48 239 36 289 49 320 8088 6897 41 241 37 286 47 323 6897 5855 38 260 39 291 53 324 5855 4950 43 277 42 295 54 316 4950 4162 42*292 43*295 50 312 4162 3467 42*294 42*295 48 311 3467 2844 41 294 42 295 45 309 2844 2292 40 294 41 295 40 307 2292 1832 38 294 39 295 36 305 1832 1478 36 294 36 295 31 304 1478 1234 32 293 32 295 27 303 1234 1086 28 293 28 295 24 303 1086 1001 22 293 21 294 17*302 1001 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