DrJack's BLIPSPOT for: SAT 08/29 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 - - - - - - 75.5 - - 84.0 - - - Temp@2m Sfc.Heating - - - - - - 85 - - 10 - - - Sfc.Heating BL Depth - - - - - - 939 - - 1929 - - - BL Depth Hcrit - - - - - - 989 - - 990 - - - Hcrit BL Top - - - - - - 1894 - - 2884 - - - BL Top Hgt.Variab. - - - - - - 683 - - 1421 - - - Hgt.Variab. W* - - - - - - 186 - - 166 - - - W* B/S - - - - - - 2 - - 1 - - - B/S BL Wind - - - - - - 20 - - 22 - - - BL Wind Direction - - - - - - 160 - - 195 - - - Direction Wind Shear - - - - - - 8 - - 13 - - - Wind Shear Max.Converg - - - - - - 1 - - 3 - - - Max.Converg CLOUDpotent - - - - - - -1298 - - -1434 - - - CLOUDpotentl sfcLCL - - - - - - 3192 - - 4318 - - - sfcLCL ODpotential - - - - - - -7927 - - -6958 - - - ODpotential blCL - - - - - - 9821 - - 9842 - - - blCL maxRH - - - - - - 93 - - 92 - - - maxRH CAPE - - - - - - 430 - - 1470 - - - CAPE Temp@2m - - - - - - 75.5 - - 84.0 - - - Temp@2m DewPt@2m - - - - - - 64.7 - - 68.2 - - - DewPt@2m Temp@Bot - - - - - - 75.2 - - 84.1 - - - Temp@Bot DewPt@Bot - - - - - - 63.9 - - 67.1 - - - DewPt@bot Sfc.Heating - - - - - - 85 - - 10 - - - Sfc.Heating BL Depth - - - - - - 939 - - 1929 - - - BL Depth EXPERIMENT - - - - - - 72 - - 68 - - - EXPERIMENT EXPERIMENT2 - - - - - - 13 - - 14 - - - 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] 99173 19 114 15 138 99173 91740 10 118 14 103 91740 85986 17 112 7 104 85986 81206 15 100 6 140 81206 77087 11 098 9 125 77087 73438 7 079 7 106 73438 70139 3 073 4 078 70139 67112 2 152 3 052 67112 64312 1 043 2 323 64312 61612 7 301 7 300 61612 58810 8 329 13 272 58810 55913 19 323 18 293 55913 53165 31 305 24 286 53165 50701 23 302 21 305 50701 48486 36 320 39 319 48486 46488 49 305 48 309 46488 44689 41 298 41 291 44689 43044 32 301 24 287 43044 41504 30 305 28 310 41504 40047 29 309 35 307 40047 38665 32 315 37 296 38665 37321 32 316 35 290 37321 35948 28 308 36 289 35948 34518 28 290 36 286 34518 33034 34 287 37 280 33034 31480 39 289 37 281 31480 29845 41 283 34 286 29845 28129 38 282 32 278 28129 26335 34 287 33 274 26335 24467 28 299 35 282 24467 22528 27 306 35 285 22528 20514 31 302 31 283 20514 18421 36 281 30 284 18421 16288 41 267 31 282 16288 14230 34 257 29 271 14230 12351 29 263 28 269 12351 10673 27 268 30 258 10673 9176 23 254 30 247 9176 7843 24 231 34 245 7843 6659 31 233 40 243 6659 5611 39 232 41 236 5611 4689 42 222 38 224 4689 3878 41 212 34 214 3878 3152 36 201 29*203 3152 2511 30 183 26*198 2511 1974 25*167 24 196 1974 1562 23*161 22 195 1562 1278 21 160 20 194 1278 1105 18 160 18 194 1105 1007 14 159 14 193 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