DrJack's BLIPSPOT for: THU 03/12 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 - - - - - - 49.3 - - 53.4 - - 53.2 Temp@2m Sfc.Heating - - - - - - 130 - - 67 - - -77 Sfc.Heating BL Depth - - - - - - 2422 - - 3514 - - 49 BL Depth Hcrit - - - - - - 2117 - - 2320 - - 987 Hcrit BL Top - - - - - - 3377 - - 4469 - - 1004 BL Top Hgt.Variab. - - - - - - 1689 - - 2324 - - 1717 Hgt.Variab. W* - - - - - - 285 - - 255 - - 20 W* B/S - - - - - - 2 - - 1 - - 0 B/S BL Wind - - - - - - 23 - - 40 - - 17 BL Wind Direction - - - - - - 198 - - 208 - - 192 Direction Wind Shear - - - - - - 12 - - 22 - - 0 Wind Shear Max.Converg - - - - - - -4 - - 4 - - 0 Max.Converg CLOUDpotent - - - - - - -2930 - - -3396 - - -5869 CLOUDpotentl sfcLCL - - - - - - 6307 - - 7865 - - 6873 sfcLCL ODpotential - - - - - - -7047 - - -7749 - - -10024 ODpotential blCL - - - - - - 10424 - - 12218 - - 11028 blCL maxRH - - - - - - 91 - - 100 - - 95 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 49.3 - - 53.4 - - 53.2 Temp@2m DewPt@2m - - - - - - 25.2 - - 22.2 - - 26.7 DewPt@2m Temp@Bot - - - - - - 48.5 - - 53.2 - - 55.1 Temp@Bot DewPt@Bot - - - - - - 23.9 - - 21.5 - - 26.3 DewPt@bot Sfc.Heating - - - - - - 130 - - 67 - - -77 Sfc.Heating BL Depth - - - - - - 2422 - - 3514 - - 49 BL Depth EXPERIMENT - - - - - - 63 - - 100 - - 82 EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 2 - - 3 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] 96253 6 008 3 354 6 275 96253 89085 2 042 5 049 2 320 89085 83563 2 229 9 342 8 043 83563 78960 5 145 7 310 6 001 78960 74950 3 291 13 314 9 343 74950 71383 9 285 16 284 18 310 71383 68149 10 283 13 284 19 300 68149 65170 27 296 21 295 28 285 65170 62413 36 279 25 293 29 297 62413 59727 36 279 33 305 32 296 59727 56886 36 280 34 290 34 280 56886 53903 34 275 42 278 43 290 53903 51029 39 294 52 277 68 301 51029 48448 59 283 57 282 79 286 48448 46170 57 279 57 287 71 279 46170 44120 50 289 66 293 64 296 44120 42240 62 301 68 300 83 310 42240 40514 82 298 86 301 102 303 40514 38940 86 292 98 299 116 300 38940 37499 80 298 107 303 133 299 37499 36163 93 316 119 307 134 297 36163 34885 117 318 127 308 132 300 34885 33594 136 316 128 308 137 303 33594 32255 141 316 129 309 138 302 32255 30867 138 317 128 311 132 299 30867 29413 123 316 122 310 130 299 29413 27884 104 305 116 307 130 301 27884 26282 102 291 114 304 124 302 26282 24609 97 293 112 301 116 301 24609 22869 83 300 107 299 108 298 22869 21066 73 291 101 297 100 296 21066 19192 56 285 91 298 91 296 19192 17242 46 291 72 300 78 297 17242 15253 45 282 63 289 68 289 15253 13333 47 273 53 268 63 283 13333 11585 52 266 46 266 56 279 11585 10026 48 268 48 266 53 272 10026 8635 31 246 52 255 52 264 8635 7394 37 236 52 239 50 256 7394 6291 39 235 50 223 51 245 6291 5315 39 229 48*217 58 230 5315 4456 37 222 45*211 57 222 4456 3696 31*212 44 210 55 217 3696 3016 27*204 43 209 52 213 3016 2413 24 199 41 208 48 209 2413 1910 23 197 39 207 42 205 1910 1524 22 196 36 206 35 200 1524 1257 21 195 33 205 28 195 1257 1096 19 195 29 205 24*194 1096 1004 16 194 23 204 17*192 1004 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