DrJack's BLIPSPOT for: MON 08/31 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 - - - - - - 85.5 - - 86.1 - - 84.4 Temp@2m Sfc.Heating - - - - - - 66 - - 71 - - -9 Sfc.Heating BL Depth - - - - - - 1273 - - 2221 - - 52 BL Depth Hcrit - - - - - - 990 - - 1642 - - 990 Hcrit BL Top - - - - - - 2228 - - 3176 - - 1007 BL Top Hgt.Variab. - - - - - - 793 - - 696 - - 2706 Hgt.Variab. W* - - - - - - 193 - - 239 - - 22 W* B/S - - - - - - 6 - - 4 - - 1 B/S BL Wind - - - - - - 6 - - 10 - - 3 BL Wind Direction - - - - - - 256 - - 279 - - 272 Direction Wind Shear - - - - - - 2 - - 4 - - 0 Wind Shear Max.Converg - - - - - - -1 - - -4 - - 0 Max.Converg CLOUDpotent - - - - - - -1390 - - -519 - - -1851 CLOUDpotentl sfcLCL - - - - - - 3618 - - 3695 - - 2858 sfcLCL ODpotential - - - - - - -5642 - - -4452 - - -5026 ODpotential blCL - - - - - - 7870 - - 7628 - - 6033 blCL maxRH - - - - - - 95 - - 89 - - 65 maxRH CAPE - - - - - - 2680 - - 2780 - - 3490 CAPE Temp@2m - - - - - - 85.5 - - 86.1 - - 84.4 Temp@2m DewPt@2m - - - - - - 72.6 - - 72.7 - - 74.7 DewPt@2m Temp@Bot - - - - - - 85.0 - - 85.4 - - 85.4 Temp@Bot DewPt@Bot - - - - - - 71.7 - - 71.7 - - 73.8 DewPt@bot Sfc.Heating - - - - - - 66 - - 71 - - -9 Sfc.Heating BL Depth - - - - - - 1273 - - 2221 - - 52 BL Depth EXPERIMENT - - - - - - 80 - - 57 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 17 - - 17 - - 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] 99067 6 193 7 009 15 049 99067 91658 8 101 6 144 6 022 91658 85926 11 094 8 112 4 036 85926 81152 9 091 7 101 5 035 81152 77032 10 103 5 126 0 234 77032 73407 8 096 7 120 2 176 73407 70142 5 064 5 112 2 119 70142 67145 4 343 2 030 2 081 67145 64364 7 240 9 244 5 289 64364 61674 9 233 16 228 12 259 61674 58883 18 248 19 237 20 248 58883 56009 29 248 31 255 25 253 56009 53285 30 242 36 249 32 261 53285 50845 37 261 39 260 40 247 50845 48669 49 258 46 263 49 263 48669 46701 52 251 53 260 58 264 46701 44907 49 247 51 252 52 257 44907 43245 48 255 44 252 48 253 43245 41686 47 263 42 259 46 250 41686 40213 48 264 41 266 42 246 40213 38816 48 261 43 261 39 247 38816 37459 42 244 46 261 38 251 37459 36074 45 237 46 251 39 249 36074 34634 44 234 45 250 42 247 34634 33141 45 240 46 256 45 252 33141 31582 48 249 48 259 46 257 31582 29942 52 253 50 259 47 259 29942 28221 55 253 53 259 49 263 28221 26424 51 255 51 257 48 265 26424 24550 46 253 41 261 40 265 24550 22606 43 248 39 265 34 261 22606 20584 40 246 37 266 35 265 20584 18482 42 245 40 260 39 267 18482 16340 45 242 41 253 43 264 16340 14273 43 238 35 247 46 260 14273 12385 25 234 29 248 33 263 12385 10703 17 246 25 242 17 265 10703 9208 16 249 16 230 19 251 9208 7878 15 250 16 255 23 238 7878 6696 14 263 24 282 19 239 6696 5647 14 276 16 275 15 248 5647 4722 14 284 10 265 13 251 4722 3904 14 289 11*260 10 255 3904 3172 11 290 10*267 8 262 3172 2526 9*279 10 277 7 269 2526 1984 6*259 10 281 7 274 1984 1568 6 257 10 283 6 276 1568 1281 6 255 10 284 5 276 1281 1106 5 254 9 285 4*275 1106 1007 5 254 8 285 3*272 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