DrJack's BLIPSPOT for: THU 09/17 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - 0653z - - 0953z - - 1001z - - 1332z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 69.7 - - 74.0 - - 73.4 - - 71.2 Temp@2m Sfc.Heating - - - 7 - - 55 - - 31 - - -8 Sfc.Heating BL Depth - - - 50 - - 1370 - - 1583 - - 50 BL Depth Hcrit - - - 989 - - 989 - - 989 - - 989 Hcrit BL Top - - - 1005 - - 2325 - - 2538 - - 1005 BL Top Hgt.Variab. - - - 868 - - 2380 - - 2117 - - 2925 Hgt.Variab. W* - - - 29 - - 183 - - 162 - - 19 W* B/S - - - 2 - - 4 - - 4 - - 1 B/S BL Wind - - - 3 - - 7 - - 8 - - 6 BL Wind Direction - - - 249 - - 315 - - 342 - - 018 Direction Wind Shear - - - 0 - - 2 - - 1 - - 0 Wind Shear Max.Converg - - - -1 - - -1 - - -2 - - 0 Max.Converg CLOUDpotent - - - 0 - - 802 - - 939 - - -386 CLOUDpotentl sfcLCL - - - 1005 - - 1523 - - 1599 - - 1391 sfcLCL ODpotential - - - 0 - - 452 - - 326 - - -964 ODpotential blCL - - - 1005 - - 1873 - - 2212 - - 1969 blCL maxRH - - - 100 - - 100 - - 100 - - 97 maxRH CAPE - - - 620 - - 360 - - 230 - - 100 CAPE Temp@2m - - - 69.7 - - 74.0 - - 73.4 - - 71.2 Temp@2m DewPt@2m - - - 69.5 - - 70.4 - - 69.5 - - 68.3 DewPt@2m Temp@Bot - - - 69.5 - - 73.5 - - 73.2 - - 71.6 Temp@Bot DewPt@Bot - - - 69.5 - - 69.7 - - 68.9 - - 68.0 DewPt@bot Sfc.Heating - - - 7 - - 55 - - 31 - - -8 Sfc.Heating BL Depth - - - 50 - - 1370 - - 1583 - - 50 BL Depth EXPERIMENT - - - 102 - - 101 - - 102 - - 87 EXPERIMENT EXPERIMENT2 - - - 16 - - 16 - - 15 - - 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] 98935 24 103 9 089 14 080 22 062 98935 91599 18 075 11 103 9 057 15 052 91599 85941 11 105 11 081 5 068 9 079 85941 81207 6 107 3 125 7 011 8 035 81207 77111 8 060 5 148 4 278 8 317 77111 73483 9 002 7 055 6 191 9 266 73483 70182 8 317 7 319 4 229 8 268 70182 67144 10 306 9 305 6 266 8 270 67144 64341 13 298 8 295 6 275 6 285 64341 61648 14 264 10 267 14 257 12 306 61648 58881 12 245 11 273 16 241 17 277 58881 56049 18 274 18 269 17 258 19 256 56049 53362 32 268 32 274 30 276 23 282 53362 50961 36 256 39 268 36 269 33 279 50961 48819 36 256 39 265 36 268 35 270 48819 46865 38 269 37 267 36 259 36 267 46865 45064 42 273 39 264 35 255 33 265 45064 43389 42 268 37 265 36 261 27 268 43389 41822 43 254 34 260 36 256 24 281 41822 40344 40 255 34 252 33 250 30 294 40344 38941 40 264 34 248 35 244 40 288 38941 37578 41 263 33 250 33 252 35 278 37578 36187 40 257 33 253 34 262 31 269 36187 34739 42 271 35 260 34 267 37 267 34739 33237 44 281 32 267 32 270 35 268 33237 31664 39 278 34 271 29 269 31 268 31664 30007 35 270 30 266 27 252 28 266 30007 28269 30 266 27 257 27 247 28 261 28269 26450 27 262 27 255 27 248 27 255 26450 24557 23 259 27 259 27 255 27 259 24557 22592 22 264 27 262 30 260 28 265 22592 20552 23 265 28 263 28 268 26 269 20552 18431 25 263 27 266 28 278 21 282 18431 16268 26 263 26 262 26 272 21 286 16268 14184 25 264 24 272 24 272 20 275 14184 12292 25 268 20 280 19 276 15 267 12292 10612 25 269 18 287 13 286 9 264 10612 9118 27 263 18 291 13 300 9 293 9118 7788 26 260 19 286 13 294 11 284 7788 6605 24 266 20 285 17 288 14 287 6605 5555 18 279 13 298 14 301 13 292 5555 4634 13 288 8 310 5 334 9 281 4634 3829 12 292 9 308 5 334 4 317 3829 3115 10 293 9 309 7*340 4 350 3115 2483 11 280 9*312 8*341 8 015 2483 1955 10 260 8*314 8 342 10 019 1955 1550 8 251 8 315 8 343 10 020 1550 1272 5 248 7 315 8 342 9 020 1272 1102 4 248 7 316 7 343 8 019 1102 1005 3*249 6 314 6 343 6*018 1005 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