DrJack's BLIPSPOT for: SUN 03/29 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 - - 1001z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 62.7 - - 68.8 - - 65.7 Temp@2m Sfc.Heating - - - - - - 258 - - 225 - - -21 Sfc.Heating BL Depth - - - - - - 2159 - - 3473 - - 50 BL Depth Hcrit - - - - - - 2189 - - 3099 - - 988 Hcrit BL Top - - - - - - 3114 - - 4428 - - 1005 BL Top Hgt.Variab. - - - - - - 479 - - 816 - - 4640 Hgt.Variab. W* - - - - - - 336 - - 375 - - 14 W* B/S - - - - - - 4 - - 4 - - 0 B/S BL Wind - - - - - - 17 - - 16 - - 6 BL Wind Direction - - - - - - 194 - - 197 - - 174 Direction Wind Shear - - - - - - 6 - - 4 - - 0 Wind Shear Max.Converg - - - - - - -3 - - -9 - - 0 Max.Converg CLOUDpotent - - - - - - -2728 - - -2188 - - -4729 CLOUDpotentl sfcLCL - - - - - - 5842 - - 6616 - - 5734 sfcLCL ODpotential - - - - - - -9819 - - -7511 - - -10544 ODpotential blCL - - - - - - 12933 - - 11939 - - 11549 blCL maxRH - - - - - - 83 - - 73 - - 67 maxRH CAPE - - - - - - 10 - - 0 - - 0 CAPE Temp@2m - - - - - - 62.7 - - 68.8 - - 65.7 Temp@2m DewPt@2m - - - - - - 40.7 - - 43.3 - - 44.2 DewPt@2m Temp@Bot - - - - - - 61.2 - - 67.4 - - 67.3 Temp@Bot DewPt@Bot - - - - - - 40.0 - - 42.9 - - 43.8 DewPt@bot Sfc.Heating - - - - - - 258 - - 225 - - -21 Sfc.Heating BL Depth - - - - - - 2159 - - 3473 - - 50 BL Depth EXPERIMENT - - - - - - 31 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 5 - - 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] 96381 21 256 24 261 32 270 96381 89095 18 268 14 263 22 257 89095 83529 16 270 15 267 21 253 83529 78933 13 261 18 279 17 277 78933 74974 26 295 27 279 24 280 74974 71486 22 293 22 280 28 285 71486 68343 33 307 29 294 27 274 68343 65444 41 296 35 290 32 297 65444 62751 42 281 39 283 41 294 62751 60139 40 272 45 279 38 286 60139 57391 44 280 51 282 45 286 57391 54524 61 282 62 281 58 282 54524 51780 73 277 70 276 66 277 51780 49301 76 276 74 274 70 272 49301 47070 77 275 75 272 69 272 47070 45050 71 272 73 271 72 274 45050 43219 66 274 67 274 71 276 43219 41555 64 280 63 279 68 279 41555 40022 63 281 61 281 67 284 40022 38595 55 281 60 281 65 287 38595 37255 51 286 58 279 62 289 37255 35960 49 288 56 277 59 292 35960 34643 47 281 53 275 59 292 34643 33273 58 272 51 278 56 287 33273 31853 61 265 49 282 52 284 31853 30372 60 266 47 282 47 286 30372 28816 56 266 47 280 43 288 28816 27184 52 264 46 278 39 289 27184 25474 50 264 45 277 36 291 25474 23687 49 270 44 276 32 293 23687 21825 46 277 44 276 31 293 21825 19883 42 281 43 283 34 291 19883 17858 37 283 37 288 32 289 17858 15790 30 280 28 283 25 284 15790 13789 32 263 30 273 21 267 13789 11960 39 258 32 269 14 280 11960 10329 39 259 26 265 15 318 10329 8874 30 236 26 254 15 303 8874 7576 29 218 27 233 24 243 7576 6432 24 221 31 230 25 227 6432 5430 25 221 26 225 23 217 5430 4549 27 222 17*203 21 208 4549 3770 25*214 16*199 19 201 3770 3071 19*196 16 198 17 195 3071 2453 18 195 16 197 16 191 2453 1936 18 194 16 197 15 187 1936 1539 17 193 15 196 13 183 1539 1266 16 193 15 196 11 180 1266 1100 15 192 14 196 9*177 1100 1005 13 192 12 195 6*174 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