DrJack's BLIPSPOT for: SUN 12/21 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 - - - - - - 30.0 - - 35.9 - - - Temp@2m Sfc.Heating - - - - - - 5 - - -10 - - - Sfc.Heating BL Depth - - - - - - 47 - - 48 - - - BL Depth Hcrit - - - - - - 986 - - 987 - - - Hcrit BL Top - - - - - - 1002 - - 1003 - - - BL Top Hgt.Variab. - - - - - - 178 - - 880 - - - Hgt.Variab. W* - - - - - - 26 - - 12 - - - W* B/S - - - - - - 1 - - 0 - - - B/S BL Wind - - - - - - 4 - - 5 - - - BL Wind Direction - - - - - - 191 - - 221 - - - Direction Wind Shear - - - - - - 0 - - 0 - - - Wind Shear Max.Converg - - - - - - 0 - - 0 - - - Max.Converg CLOUDpotent - - - - - - -1158 - - -1726 - - - CLOUDpotentl sfcLCL - - - - - - 2161 - - 2729 - - - sfcLCL ODpotential - - - - - - -8110 - - -7793 - - - ODpotential blCL - - - - - - 9112 - - 8796 - - - blCL maxRH - - - - - - 66 - - 100 - - - maxRH CAPE - - - - - - 0 - - 0 - - - CAPE Temp@2m - - - - - - 30.0 - - 35.9 - - - Temp@2m DewPt@2m - - - - - - 24.7 - - 28.0 - - - DewPt@2m Temp@Bot - - - - - - 30.5 - - 39.2 - - - Temp@Bot DewPt@Bot - - - - - - 24.1 - - 26.9 - - - DewPt@bot Sfc.Heating - - - - - - 5 - - -10 - - - Sfc.Heating BL Depth - - - - - - 47 - - 48 - - - BL Depth EXPERIMENT - - - - - - 0 - - 101 - - - EXPERIMENT EXPERIMENT2 - - - - - - 3 - - 3 - - - 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] 95676 46 265 43 265 95676 88724 33 267 35 267 88724 83326 24 262 25 253 83326 78787 18 273 25 266 78787 74842 26 272 30 272 74842 71360 25 261 34 269 71360 68206 22 259 34 265 68206 65285 33 264 36 282 65285 62547 35 268 41 274 62547 59877 48 265 49 286 59877 57082 52 289 60 280 57082 54167 67 294 65 281 54167 51373 73 289 72 290 51373 48867 77 286 84 292 48867 46638 75 287 88 291 46638 44626 77 296 86 293 44626 42795 93 301 97 300 42795 41128 113 299 117 299 41128 39604 117 292 122 290 39604 38187 107 294 118 286 38187 36843 112 306 116 287 36843 35534 129 315 109 291 35534 34198 144 315 101 302 34198 32813 147 314 106 310 32813 31384 145 316 113 310 31384 29892 136 321 115 308 29892 28320 109 310 114 306 28320 26667 111 297 116 305 26667 24933 116 300 114 303 24933 23122 93 298 112 304 23122 21241 77 292 100 306 21241 19296 70 289 82 303 19296 17289 64 290 69 299 17289 15259 59 289 60 293 15259 13307 49 291 56 282 13307 11529 39 290 46 272 11529 9948 33 281 32 269 9948 8548 32 271 27 270 8548 7303 24 266 26 260 7303 6202 26 258 28 242 6202 5231 31 253 30 232 5231 4380 30 230 31 226 4380 3632 29 219 29 220 3632 2964 28 213 23 221 2964 2376 25 212 19 216 2376 1886 20 210 18 216 1886 1509 14 201 15 216 1509 1250 12 196 13 216 1250 1093 9 193 10*217 1093 1003 4*191 5*221 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