DrJack's BLIPSPOT for: SUN 08/30 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 - - - - - - 0954z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 81.6 - - 84.1 - - 81.6 Temp@2m Sfc.Heating - - - - - - 31 - - 28 - - -26 Sfc.Heating BL Depth - - - - - - 1033 - - 633 - - 51 BL Depth Hcrit - - - - - - 990 - - 990 - - 990 Hcrit BL Top - - - - - - 1988 - - 1588 - - 1006 BL Top Hgt.Variab. - - - - - - 626 - - 1434 - - 908 Hgt.Variab. W* - - - - - - 152 - - 125 - - 22 W* B/S - - - - - - 1 - - 2 - - 1 B/S BL Wind - - - - - - 18 - - 13 - - 6 BL Wind Direction - - - - - - 207 - - 178 - - 164 Direction Wind Shear - - - - - - 11 - - 8 - - 0 Wind Shear Max.Converg - - - - - - -4 - - 1 - - 0 Max.Converg CLOUDpotent - - - - - - -1671 - - -1918 - - -1250 CLOUDpotentl sfcLCL - - - - - - 3659 - - 3507 - - 2256 sfcLCL ODpotential - - - - - - -7390 - - -7462 - - -6488 ODpotential blCL - - - - - - 9378 - - 9050 - - 7494 blCL maxRH - - - - - - 97 - - 100 - - 83 maxRH CAPE - - - - - - 950 - - 2250 - - 3150 CAPE Temp@2m - - - - - - 81.6 - - 84.1 - - 81.6 Temp@2m DewPt@2m - - - - - - 68.6 - - 71.6 - - 74.4 DewPt@2m Temp@Bot - - - - - - 81.4 - - 84.0 - - 83.2 Temp@Bot DewPt@Bot - - - - - - 67.7 - - 70.8 - - 74.0 DewPt@bot Sfc.Heating - - - - - - 31 - - 28 - - -26 Sfc.Heating BL Depth - - - - - - 1033 - - 633 - - 51 BL Depth EXPERIMENT - - - - - - 87 - - 101 - - 31 EXPERIMENT EXPERIMENT2 - - - - - - 15 - - 16 - - 19 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] 99184 15 116 11 087 14 076 99184 91769 12 110 10 091 11 069 91769 86027 9 104 9 099 7 066 86027 81251 5 076 6 121 5 064 81251 77134 3 077 6 102 6 104 77134 73491 6 102 5 104 5 073 73491 70201 5 131 6 144 2 357 70201 67187 9 145 8 188 5 258 67187 64404 8 123 10 192 9 223 64404 61723 1 039 7 178 10 209 61723 58931 8 251 10 239 10 239 58931 56050 10 254 16 243 16 249 56050 53319 20 270 19 260 17 256 53319 50879 20 266 27 273 26 260 50879 48697 27 279 29 266 26 268 48697 46718 29 266 34 268 44 276 46718 44921 29 266 42 266 43 270 44921 43266 34 279 35 266 31 260 43266 41713 36 282 35 282 30 255 41713 40244 37 281 36 287 27 255 40244 38848 38 278 36 283 29 263 38848 37491 37 268 37 278 35 264 37491 36106 33 261 37 273 38 263 36106 34666 30 258 36 274 39 258 34666 33174 28 260 37 286 41 255 33174 31614 28 267 33 277 43 263 31614 29972 29 274 35 272 40 267 29972 28251 27 276 37 270 40 258 28251 26452 23 267 37 267 37 257 26452 24576 21 264 33 272 32 257 24576 22628 34 275 34 278 32 255 22628 20605 39 278 33 275 35 266 20605 18496 38 270 31 263 40 276 18496 16348 41 262 28 263 40 272 16348 14277 39 256 33 261 30 263 14277 12394 34 250 33 251 33 251 12394 10717 32 242 34 231 32 233 10717 9224 27 229 35 226 30 221 9224 7891 24 220 32 224 30 220 7891 6705 25 231 32 217 31 223 6705 5653 26 245 31 216 32 220 5653 4725 26 249 31 218 34 213 4725 3907 29 245 31 217 34 205 3907 3174 31 232 27 208 30 198 3174 2525 30*220 23 194 26 195 2525 1983 23*210 21*187 23 191 1983 1566 19 206 17*180 19 187 1566 1280 18 205 14 177 14 178 1280 1106 16 205 12 177 11 174 1106 1006 12 204 9 176 6*164 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