DrJack's BLIPSPOT for: TUE 08/18 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 - - - - - - 74.7 - - 73.5 - - 78.6 Temp@2m Sfc.Heating - - - - - - 91 - - 31 - - -10 Sfc.Heating BL Depth - - - - - - 1909 - - 765 - - 51 BL Depth Hcrit - - - - - - 1557 - - 989 - - 990 Hcrit BL Top - - - - - - 2864 - - 1720 - - 1006 BL Top Hgt.Variab. - - - - - - 1086 - - 1399 - - 4737 Hgt.Variab. W* - - - - - - 240 - - 122 - - 25 W* B/S - - - - - - 3 - - 2 - - 1 B/S BL Wind - - - - - - 16 - - 11 - - 4 BL Wind Direction - - - - - - 233 - - 255 - - 265 Direction Wind Shear - - - - - - 9 - - 5 - - 0 Wind Shear Max.Converg - - - - - - 3 - - -4 - - -1 Max.Converg CLOUDpotent - - - - - - 1118 - - 714 - - -947 CLOUDpotentl sfcLCL - - - - - - 1746 - - 1006 - - 1953 sfcLCL ODpotential - - - - - - 555 - - 254 - - -1912 ODpotential blCL - - - - - - 2309 - - 1466 - - 2918 blCL maxRH - - - - - - 100 - - 100 - - 98 maxRH CAPE - - - - - - 1530 - - 2140 - - 3420 CAPE Temp@2m - - - - - - 74.7 - - 73.5 - - 78.6 Temp@2m DewPt@2m - - - - - - 70.0 - - 71.8 - - 72.9 DewPt@2m Temp@Bot - - - - - - 74.2 - - 73.2 - - 79.3 Temp@Bot DewPt@Bot - - - - - - 69.2 - - 71.5 - - 72.3 DewPt@bot Sfc.Heating - - - - - - 91 - - 31 - - -10 Sfc.Heating BL Depth - - - - - - 1909 - - 765 - - 51 BL Depth EXPERIMENT - - - - - - 101 - - 101 - - 91 EXPERIMENT EXPERIMENT2 - - - - - - 15 - - 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] 99451 28 100 22 105 13 086 99451 91982 21 114 14 104 15 087 91982 86177 21 104 14 101 14 096 86177 81317 15 085 16 094 15 089 81317 77128 8 094 13 097 13 069 77128 73451 4 092 7 099 6 033 73451 70135 3 345 3 023 1 044 70135 67081 2 306 6 284 4 310 67081 64247 7 329 10 295 9 330 64247 61516 15 252 22 277 23 301 61516 58684 19 301 26 257 29 285 58684 55737 27 280 33 273 36 275 55737 52933 40 282 44 283 47 271 52933 50428 48 267 56 278 51 272 50428 48192 58 274 63 278 68 280 48192 46189 73 278 83 276 84 276 46189 44377 88 275 93 270 92 276 44377 42709 84 271 89 272 99 277 42709 41158 82 278 91 274 95 277 41158 39702 86 281 94 273 92 277 39702 38326 87 281 93 275 93 277 38326 36989 82 279 88 276 89 278 36989 35625 76 275 81 272 86 280 35625 34204 75 275 78 270 84 282 34204 32731 75 277 74 271 80 280 32731 31190 73 276 70 273 78 282 31190 29571 66 275 66 276 75 283 29571 27874 64 276 68 282 73 282 27874 26095 63 276 66 283 69 279 26095 24243 62 281 62 280 62 277 24243 22323 57 282 53 282 55 285 22323 20326 44 289 50 283 52 283 20326 18247 43 295 43 287 48 280 18247 16131 46 290 39 292 40 284 16131 14097 43 289 34 288 30 286 14097 12243 36 292 32 284 25 285 12243 10588 26 276 32 277 23 288 10588 9112 18 276 28 273 22 289 9112 7796 18 282 24 272 21 291 7796 6625 23 287 22 273 17 307 6625 5590 30 282 20 269 15 311 5590 4679 31 273 17 262 13 307 4679 3872 23 246 16 259 12 301 3872 3148 20*240 16 260 10 293 3148 2507 20*238 16 261 10 283 2507 1972 17 233 16*260 9 277 1972 1560 16 232 13*257 8 272 1560 1277 15 231 12 255 7 268 1277 1105 13 230 10 255 6 266 1105 1006 11 230 8 254 4*265 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