DrJack's BLIPSPOT for: WED 09/02 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 - - - - - - 0700z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 88.2 - - 91.1 - - 84.8 Temp@2m Sfc.Heating - - - - - - 77 - - 7 - - -20 Sfc.Heating BL Depth - - - - - - 2270 - - 2826 - - 52 BL Depth Hcrit - - - - - - 1818 - - 991 - - 990 Hcrit BL Top - - - - - - 3225 - - 3781 - - 1007 BL Top Hgt.Variab. - - - - - - 891 - - 2311 - - 2074 Hgt.Variab. W* - - - - - - 253 - - 189 - - 25 W* B/S - - - - - - 3 - - 2 - - 1 B/S BL Wind - - - - - - 15 - - 18 - - 5 BL Wind Direction - - - - - - 231 - - 221 - - 216 Direction Wind Shear - - - - - - 11 - - 10 - - 0 Wind Shear Max.Converg - - - - - - -2 - - -2 - - 0 Max.Converg CLOUDpotent - - - - - - -1787 - - -1377 - - -1976 CLOUDpotentl sfcLCL - - - - - - 5012 - - 5159 - - 2983 sfcLCL ODpotential - - - - - - -5369 - - -4225 - - -5768 ODpotential blCL - - - - - - 8594 - - 8006 - - 6775 blCL maxRH - - - - - - 100 - - 87 - - 83 maxRH CAPE - - - - - - 1850 - - 2900 - - 3320 CAPE Temp@2m - - - - - - 88.2 - - 91.1 - - 84.8 Temp@2m DewPt@2m - - - - - - 69.4 - - 71.6 - - 74.5 DewPt@2m Temp@Bot - - - - - - 87.7 - - 91.1 - - 86.3 Temp@Bot DewPt@Bot - - - - - - 68.0 - - 70.3 - - 73.8 DewPt@bot Sfc.Heating - - - - - - 77 - - 7 - - -20 Sfc.Heating BL Depth - - - - - - 2270 - - 2826 - - 52 BL Depth EXPERIMENT - - - - - - 100 - - 48 - - 34 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] 99060 13 113 6 166 3 034 99060 91593 13 120 4 155 2 059 91593 85832 11 101 7 136 1 129 85832 81062 9 082 7 109 7 088 81062 76963 6 075 5 074 7 057 76963 73359 2 017 3 032 5 054 73359 70110 2 049 4 312 4 066 70110 67124 3 043 6 285 6 020 67124 64349 2 234 7 237 8 287 64349 61672 3 298 5 238 12 262 61672 58907 12 283 16 261 18 264 58907 56065 26 274 16 251 21 260 56065 53371 38 272 34 281 28 279 53371 50949 43 269 44 275 40 277 50949 48777 47 274 46 264 46 270 48777 46796 52 277 49 266 50 268 46796 44968 59 280 55 273 53 272 44968 43266 65 283 60 278 57 275 43266 41672 70 284 62 281 59 275 41672 40171 72 285 63 280 60 273 40171 38753 71 285 64 279 61 273 38753 37382 66 285 62 280 60 274 37382 35991 60 283 57 281 57 276 35991 34550 55 283 52 281 52 279 34550 33058 50 279 49 280 48 277 33058 31502 45 269 44 275 44 272 31502 29869 44 265 43 265 41 263 29869 28158 40 260 45 262 44 259 28158 26367 37 264 43 266 41 261 26367 24498 35 262 40 269 34 266 24498 22557 35 261 37 266 28 269 22557 20540 28 256 32 263 23 268 20540 18445 27 246 28 266 23 259 18445 16312 27 246 25 273 23 280 16312 14258 22 242 17 262 23 285 14258 12387 23 242 18 257 21 266 12387 10717 30 236 20 249 23 256 10717 9227 31 231 27 243 23 247 9227 7898 31 227 28 241 24 243 7898 6714 29 224 26 243 25 240 6714 5664 27 226 27 240 25 236 5664 4736 27 234 27 231 26 232 4736 3915 26*236 24*223 28 228 3915 3180 21*233 21*220 27 223 3180 2530 16 230 20 220 24 217 2530 1987 15 230 19 220 19 218 1987 1569 14 230 17 221 15 220 1569 1281 13 230 16 221 11 219 1281 1107 12 230 14 221 9*218 1107 1007 10 230 11 221 5*216 1007 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