DrJack's BLIPSPOT for: THU 04/09 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 = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0700z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 55.1 - - 47.4 - - - Temp@2m Sfc.Heating - - - - - - 331 - - 16 - - - Sfc.Heating BL Depth - - - - - - 2496 - - 955 - - - BL Depth Hcrit - - - - - - 2511 - - 987 - - - Hcrit BL Top - - - - - - 3451 - - 1910 - - - BL Top Hgt.Variab. - - - - - - 549 - - 679 - - - Hgt.Variab. W* - - - - - - 381 - - 109 - - - W* B/S - - - - - - 19 - - 2 - - - B/S BL Wind - - - - - - 4 - - 10 - - - BL Wind Direction - - - - - - 118 - - 124 - - - Direction Wind Shear - - - - - - 2 - - 3 - - - Wind Shear Max.Converg - - - - - - 1 - - -7 - - - Max.Converg CLOUDpotent - - - - - - -2972 - - 371 - - - CLOUDpotentl sfcLCL - - - - - - 6423 - - 1539 - - - sfcLCL ODpotential - - - - - - -10398 - - -6083 - - - ODpotential blCL - - - - - - 13849 - - 7993 - - - blCL maxRH - - - - - - 89 - - 100 - - - maxRH CAPE - - - - - - 0 - - 10 - - - CAPE Temp@2m - - - - - - 55.1 - - 47.4 - - - Temp@2m DewPt@2m - - - - - - 30.8 - - 44.4 - - - DewPt@2m Temp@Bot - - - - - - 53.4 - - 47.3 - - - Temp@Bot DewPt@Bot - - - - - - 30.2 - - 43.7 - - - DewPt@bot Sfc.Heating - - - - - - 331 - - 16 - - - Sfc.Heating BL Depth - - - - - - 2496 - - 955 - - - BL Depth EXPERIMENT - - - - - - 56 - - 101 - - - EXPERIMENT EXPERIMENT2 - - - - - - 4 - - 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] 96845 48 249 42 256 96845 89425 41 249 45 253 89425 83764 37 266 39 265 83764 79135 31 241 37 273 79135 75166 33 252 31 260 75166 71631 38 267 33 265 71631 68429 35 261 36 270 68429 65492 30 259 32 264 65492 62750 31 277 31 260 62750 60077 36 281 31 271 60077 57286 35 269 33 277 57286 54387 33 268 34 274 54387 51610 37 275 41 271 51610 49107 41 278 46 266 49107 46861 46 281 46 271 46861 44822 52 281 53 275 44822 42965 57 276 62 274 42965 41281 58 278 65 273 41281 39750 59 280 67 271 39750 38338 61 278 67 268 38338 37015 63 277 65 264 37015 35735 65 277 64 263 35735 34429 64 276 62 263 34429 33068 61 275 58 263 33068 31659 60 272 55 260 31659 30187 60 267 55 254 30187 28639 58 253 59 250 28639 27012 57 248 60 253 27012 25304 55 247 61 257 25304 23519 53 249 61 258 23519 21659 52 256 50 261 21659 19716 49 266 35 267 19716 17683 48 274 36 274 17683 15610 44 273 41 279 15610 13608 39 262 41 271 13608 11783 30 262 43 249 11783 10164 22 271 48 236 10164 8727 17 267 51 231 8727 7451 15 242 42 228 7451 6322 22 233 21 231 6322 5326 24 218 7 202 5326 4451 19 206 8 178 4451 3679 5*155 9 176 3679 2994 4*133 10 142 2994 2394 4 122 11*127 2394 1897 4 118 11*124 1897 1516 3 112 10 124 1516 1254 3 109 10 123 1254 1095 3 108 9 123 1095 1003 3 106 7 123 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