DrJack's BLIPSPOT for: THU 08/13 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 - - - - - - 0954z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 77.6 - - 76.2 - - 74.2 Temp@2m Sfc.Heating - - - - - - 61 - - 0 - - -7 Sfc.Heating BL Depth - - - - - - 2291 - - 51 - - 51 BL Depth Hcrit - - - - - - 1521 - - 990 - - 989 Hcrit BL Top - - - - - - 3246 - - 1006 - - 1006 BL Top Hgt.Variab. - - - - - - 909 - - 2558 - - 2199 Hgt.Variab. W* - - - - - - 231 - - 24 - - 20 W* B/S - - - - - - 2 - - 1 - - 0 B/S BL Wind - - - - - - 18 - - 5 - - 8 BL Wind Direction - - - - - - 134 - - 102 - - 070 Direction Wind Shear - - - - - - 11 - - 0 - - 0 Wind Shear Max.Converg - - - - - - -7 - - 1 - - 1 Max.Converg CLOUDpotent - - - - - - 1252 - - -473 - - -138 CLOUDpotentl sfcLCL - - - - - - 1994 - - 1479 - - 1144 sfcLCL ODpotential - - - - - - 405 - - -1022 - - -876 ODpotential blCL - - - - - - 2841 - - 2028 - - 1882 blCL maxRH - - - - - - 97 - - 100 - - 100 maxRH CAPE - - - - - - 1000 - - 1200 - - 1240 CAPE Temp@2m - - - - - - 77.6 - - 76.2 - - 74.2 Temp@2m DewPt@2m - - - - - - 71.7 - - 72.4 - - 71.9 DewPt@2m Temp@Bot - - - - - - 77.2 - - 76.2 - - 74.7 Temp@Bot DewPt@Bot - - - - - - 70.9 - - 72.1 - - 71.7 DewPt@bot Sfc.Heating - - - - - - 61 - - 0 - - -7 Sfc.Heating BL Depth - - - - - - 2291 - - 51 - - 51 BL Depth EXPERIMENT - - - - - - 87 - - 101 - - 101 EXPERIMENT EXPERIMENT2 - - - - - - 16 - - 18 - - 17 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] 99411 27 090 26 095 35 096 99411 91970 20 110 14 107 24 093 91970 86202 18 120 15 129 12 075 86202 81370 13 112 17 118 2 177 81370 77201 14 104 13 115 9 135 77201 73525 11 069 9 128 10 090 73525 70209 10 084 6 149 5 083 70209 67182 7 105 2 090 5 153 67182 64388 5 134 3 348 3 129 64388 61683 4 176 4 236 2 233 61683 58868 6 203 9 204 12 229 58868 55972 14 270 10 265 14 249 55972 53244 25 247 21 268 19 272 53244 50816 21 249 27 262 27 273 50816 48667 33 286 32 272 35 270 48667 46727 49 264 41 268 42 263 46727 44937 55 249 48 254 49 246 44937 43267 51 249 50 244 52 240 43267 41697 43 251 51 240 52 240 41697 40214 38 250 46 241 52 241 40214 38810 34 252 47 243 52 242 38810 37448 30 248 44 245 53 243 37448 36058 30 249 40 246 53 245 36058 34611 41 258 41 249 53 247 34611 33110 46 260 41 249 53 251 33110 31541 48 264 38 254 53 253 31541 29890 46 265 38 260 53 255 29890 28164 45 268 41 259 46 259 28164 26363 43 264 43 255 39 265 26363 24487 42 267 42 252 35 267 24487 22539 42 266 35 263 33 267 22539 20516 41 263 33 274 30 271 20516 18415 44 258 40 282 31 277 18415 16272 42 268 42 285 32 275 16272 14200 39 268 40 275 31 269 14200 12308 35 249 36 250 32 264 12308 10622 34 239 34 228 28 255 10622 9124 33 238 33 215 18 241 9124 7796 29 239 29 207 11 226 7796 6619 24 227 21 190 9 212 6619 5577 21 188 17 162 8 195 5577 4659 22 147 15 146 9 142 4659 3850 23*135 14 142 13 115 3850 3128 22*135 12 140 15 097 3128 2491 20 134 10 141 15 085 2491 1961 18 134 8 129 16 078 1961 1554 17 133 8 119 15 075 1554 1274 16 133 7 112 13 072 1274 1103 14 133 7 107 11*072 1103 1006 11 133 5*102 8*070 1006 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