DrJack's BLIPSPOT for: THU 12/25 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 - - - - - - 0953z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 41.7 - - 44.1 - - 42.7 Temp@2m Sfc.Heating - - - - - - 17 - - 4 - - -8 Sfc.Heating BL Depth - - - - - - 200 - - 144 - - 48 BL Depth Hcrit - - - - - - 987 - - 987 - - 987 Hcrit BL Top - - - - - - 1155 - - 1099 - - 1003 BL Top Hgt.Variab. - - - - - - 1063 - - 1445 - - 838 Hgt.Variab. W* - - - - - - 62 - - 35 - - 0 W* B/S - - - - - - 1 - - 1 - - 0 B/S BL Wind - - - - - - 9 - - 10 - - 10 BL Wind Direction - - - - - - 138 - - 136 - - 130 Direction Wind Shear - - - - - - 2 - - 3 - - 0 Wind Shear Max.Converg - - - - - - 1 - - 1 - - 1 Max.Converg CLOUDpotent - - - - - - 152 - - 96 - - 0 CLOUDpotentl sfcLCL - - - - - - 1003 - - 1003 - - 1003 sfcLCL ODpotential - - - - - - 63 - - 10 - - -13213 ODpotential blCL - - - - - - 1092 - - 1089 - - 14216 blCL maxRH - - - - - - 100 - - 100 - - 100 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 41.7 - - 44.1 - - 42.7 Temp@2m DewPt@2m - - - - - - 41.3 - - 43.8 - - 42.7 DewPt@2m Temp@Bot - - - - - - 41.6 - - 44.1 - - 43.2 Temp@Bot DewPt@Bot - - - - - - 41.2 - - 43.7 - - 43.1 DewPt@bot Sfc.Heating - - - - - - 17 - - 4 - - -8 Sfc.Heating BL Depth - - - - - - 200 - - 144 - - 48 BL Depth EXPERIMENT - - - - - - 102 - - 101 - - 101 EXPERIMENT EXPERIMENT2 - - - - - - 6 - - 6 - - 6 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] 95203 71 289 64 293 60 286 95203 88316 54 293 52 294 53 291 88316 82946 42 293 41 290 48 300 82946 78471 37 294 39 291 47 297 78471 74629 38 306 40 290 43 292 74629 71244 38 300 36 296 38 295 71244 68165 32 297 37 288 38 285 68165 65313 41 280 38 277 35 267 65313 62686 42 291 37 278 29 274 62686 60135 41 302 44 285 35 283 60135 57462 63 286 59 274 51 272 57462 54688 75 280 64 278 62 272 54688 52028 82 278 81 278 79 274 52028 49624 84 277 87 274 92 270 49624 47460 82 278 85 272 94 268 47460 45494 84 281 82 273 92 268 45494 43703 89 282 84 274 90 267 43703 42061 88 281 82 273 86 264 42061 40533 85 281 78 271 83 263 40533 39094 81 282 76 269 82 263 39094 37732 75 284 73 269 80 263 37732 36411 71 284 71 271 76 263 36411 35065 71 283 70 273 73 259 35065 33664 67 280 69 273 72 256 33664 32209 65 278 67 273 72 254 32209 30688 63 277 64 271 71 256 30688 29094 60 277 57 270 63 261 29094 27423 53 280 54 271 56 262 27423 25670 48 279 50 269 52 263 25670 23843 42 275 45 265 50 254 23843 21946 38 270 40 269 47 242 21946 19972 34 267 37 268 41 250 19972 17913 25 259 33 251 35 261 17913 15809 24 242 30 238 34 262 15809 13777 27 241 29 240 32 269 13777 11931 22 241 26 236 23 260 11931 10291 18 230 22 228 24 246 10291 8833 18 233 23 223 26 238 8833 7536 15 239 22 222 25 236 7536 6382 12 234 18 211 25 229 6382 5359 13 206 21 193 23 219 5359 4459 18 188 24 191 25 206 4459 3676 22 159 23 185 27 195 3676 2989 24 150 21 165 27 175 2989 2391 23 150 20 148 27 153 2391 1894 19 147 19 144 26 141 1894 1513 15 142 16 140 22 134 1513 1252 12*140 14*137 17 131 1252 1094 11*138 12*137 15 130 1094 1003 8 138 9 136 10*130 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