DrJack's BLIPSPOT for: THU 05/21 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 - - - - - - 53.9 - - 55.0 - - - Temp@2m Sfc.Heating - - - - - - 48 - - -7 - - - Sfc.Heating BL Depth - - - - - - 1526 - - 49 - - - BL Depth Hcrit - - - - - - 987 - - 988 - - - Hcrit BL Top - - - - - - 2481 - - 1004 - - - BL Top Hgt.Variab. - - - - - - 560 - - 2483 - - - Hgt.Variab. W* - - - - - - 180 - - 26 - - - W* B/S - - - - - - 3 - - 1 - - - B/S BL Wind - - - - - - 11 - - 6 - - - BL Wind Direction - - - - - - 094 - - 090 - - - Direction Wind Shear - - - - - - 4 - - 0 - - - Wind Shear Max.Converg - - - - - - 2 - - 1 - - - Max.Converg CLOUDpotent - - - - - - -1188 - - -2342 - - - CLOUDpotentl sfcLCL - - - - - - 3669 - - 3346 - - - sfcLCL ODpotential - - - - - - -8706 - - -6351 - - - ODpotential blCL - - - - - - 11187 - - 7355 - - - blCL maxRH - - - - - - 100 - - 100 - - - maxRH CAPE - - - - - - 20 - - 20 - - - CAPE Temp@2m - - - - - - 53.9 - - 55.0 - - - Temp@2m DewPt@2m - - - - - - 41.6 - - 44.1 - - - DewPt@2m Temp@Bot - - - - - - 53.4 - - 55.3 - - - Temp@Bot DewPt@Bot - - - - - - 40.3 - - 42.8 - - - DewPt@bot Sfc.Heating - - - - - - 48 - - -7 - - - Sfc.Heating BL Depth - - - - - - 1526 - - 49 - - - BL Depth EXPERIMENT - - - - - - 101 - - 102 - - - EXPERIMENT EXPERIMENT2 - - - - - - 5 - - 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] 98194 16 105 9 118 98194 90722 7 101 1 324 90722 85023 4 123 5 140 85023 80298 6 185 6 147 80298 76206 4 142 8 173 76206 72582 2 040 3 219 72582 69299 3 281 8 263 69299 66278 5 237 7 214 66278 63481 11 193 10 205 63481 60757 14 235 14 225 60757 57908 24 251 32 233 57908 54954 38 233 32 229 54954 52130 35 234 41 246 52130 49600 51 239 55 243 49600 47349 55 229 58 233 47349 45326 50 226 54 232 45326 43492 57 247 58 238 43492 41823 81 247 80 241 41823 40287 89 243 96 240 40287 38854 85 240 85 239 38854 37503 79 241 72 238 37503 36194 74 246 69 237 36194 34858 69 250 65 238 34858 33466 62 248 61 239 33466 32023 55 245 56 238 32023 30515 52 246 51 238 30515 28932 53 246 49 238 28932 27272 51 245 47 238 27272 25531 48 244 43 240 25531 23712 48 241 38 243 23712 21817 47 242 37 248 21817 19845 40 245 32 255 19845 17791 32 244 28 247 17791 15693 27 234 30 234 15693 13667 24 236 29 226 13667 11828 21 221 28 231 11828 10196 20 226 23 237 10196 8752 15 229 12 223 8752 7475 7 165 6 178 7475 6347 9 131 10 141 6347 5350 12 112 12 133 5350 4475 11 115 16 121 4475 3705 14 128 17 113 3705 3020 14*116 15 103 3020 2416 12*097 12 098 2416 1912 12 095 11 095 1912 1525 11 093 10 094 1525 1259 10 092 9 092 1259 1097 9 092 8*091 1097 1004 8 091 6*090 1004 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