DrJack's BLIPSPOT for: THU 04/02 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 - - - - - - 47.4 - - 53.0 - - 45.1 Temp@2m Sfc.Heating - - - - - - 3 - - 34 - - 10 Sfc.Heating BL Depth - - - - - - 157 - - 823 - - 1021 BL Depth Hcrit - - - - - - 987 - - 988 - - 987 Hcrit BL Top - - - - - - 1112 - - 1778 - - 1976 BL Top Hgt.Variab. - - - - - - 607 - - 1073 - - 956 Hgt.Variab. W* - - - - - - 34 - - 130 - - 98 W* B/S - - - - - - 1 - - 2 - - 1 B/S BL Wind - - - - - - 6 - - 15 - - 17 BL Wind Direction - - - - - - 333 - - 284 - - 300 Direction Wind Shear - - - - - - 1 - - 5 - - 9 Wind Shear Max.Converg - - - - - - 0 - - -2 - - -2 Max.Converg CLOUDpotent - - - - - - 108 - - 761 - - 799 CLOUDpotentl sfcLCL - - - - - - 1004 - - 1017 - - 1177 sfcLCL ODpotential - - - - - - -49 - - 299 - - 305 ODpotential blCL - - - - - - 1161 - - 1479 - - 1671 blCL maxRH - - - - - - 101 - - 100 - - 100 maxRH CAPE - - - - - - 670 - - 600 - - 0 CAPE Temp@2m - - - - - - 47.4 - - 53.0 - - 45.1 Temp@2m DewPt@2m - - - - - - 47.0 - - 51.4 - - 43.3 DewPt@2m Temp@Bot - - - - - - 47.4 - - 52.6 - - 45.1 Temp@Bot DewPt@Bot - - - - - - 46.9 - - 50.8 - - 42.7 DewPt@bot Sfc.Heating - - - - - - 3 - - 34 - - 10 Sfc.Heating BL Depth - - - - - - 157 - - 823 - - 1021 BL Depth EXPERIMENT - - - - - - 102 - - 101 - - 102 EXPERIMENT EXPERIMENT2 - - - - - - 7 - - 8 - - 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] 96620 6 262 24 247 25 254 96620 89409 14 278 6 261 12 222 89409 83866 17 247 13 290 7 269 83866 79279 8 228 9 249 8 305 79279 75335 11 287 9 264 14 305 75335 71852 15 284 16 293 18 302 71852 68688 20 277 25 282 22 283 68688 65753 21 268 22 269 26 273 65753 63000 22 274 23 272 27 277 63000 60313 27 270 30 267 29 282 60313 57506 35 266 35 266 33 281 57506 54594 37 256 40 259 34 275 54594 51806 35 243 38 253 42 268 51806 49299 36 243 45 250 45 252 49299 47069 43 244 46 242 38 244 47069 45050 51 236 45 242 39 250 45050 43205 52 223 50 249 57 244 43205 41514 57 209 53 249 55 242 41514 39948 67 203 52 246 51 255 39948 38482 78 199 54 241 59 266 38482 37103 83 195 58 238 66 271 37103 35773 83 190 59 235 67 273 35773 34424 82 189 54 233 66 276 34424 33027 83 190 52 236 68 279 33027 31585 86 191 54 238 71 280 31585 30084 76 191 58 238 72 281 30084 28510 58 188 61 241 71 282 28510 26863 52 186 58 245 68 280 26863 25141 43 178 54 245 68 276 25141 23349 43 170 52 245 64 270 23349 21494 45 172 50 246 51 263 21494 19566 46 183 44 245 44 268 19566 17553 46 195 39 243 41 269 17553 15496 42 203 37 240 39 266 15496 13513 38 203 35 241 37 262 13513 11711 40 210 35 242 35 253 11711 10109 41 217 33 238 31 251 10109 8681 38 223 31 233 29 256 8681 7410 33 232 29 230 29 257 7410 6286 33 233 28 229 27 253 6286 5293 35 229 29 230 25 249 5293 4419 36 225 28 229 24 254 4419 3653 32 218 23 237 21 278 3653 2976 24 213 21 265 22 302 2976 2385 14 213 18 280 20*303 2385 1892 6 233 17*283 20*302 1892 1513 4 312 17*284 18 301 1513 1253 6*333 16 284 16 300 1253 1094 6*333 14 285 15 299 1094 1003 6 333 12 284 11 298 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