DrJack's BLIPSPOT for: THU 04/23 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 - - - - - - 66.2 - - 69.1 - - - Temp@2m Sfc.Heating - - - - - - -13 - - -5 - - - Sfc.Heating BL Depth - - - - - - 50 - - 50 - - - BL Depth Hcrit - - - - - - 989 - - 989 - - - Hcrit BL Top - - - - - - 1005 - - 1005 - - - BL Top Hgt.Variab. - - - - - - 2473 - - 3054 - - - Hgt.Variab. W* - - - - - - 25 - - 32 - - - W* B/S - - - - - - 0 - - 0 - - - B/S BL Wind - - - - - - 15 - - 16 - - - BL Wind Direction - - - - - - 171 - - 178 - - - Direction Wind Shear - - - - - - 0 - - 0 - - - Wind Shear Max.Converg - - - - - - 0 - - 0 - - - Max.Converg CLOUDpotent - - - - - - -222 - - -374 - - - CLOUDpotentl sfcLCL - - - - - - 1227 - - 1380 - - - sfcLCL ODpotential - - - - - - -917 - - -1025 - - - ODpotential blCL - - - - - - 1922 - - 2030 - - - blCL maxRH - - - - - - 100 - - 100 - - - maxRH CAPE - - - - - - 1220 - - 2170 - - - CAPE Temp@2m - - - - - - 66.2 - - 69.1 - - - Temp@2m DewPt@2m - - - - - - 63.5 - - 65.7 - - - DewPt@2m Temp@Bot - - - - - - 66.6 - - 69.4 - - - Temp@Bot DewPt@Bot - - - - - - 63.3 - - 65.2 - - - DewPt@bot Sfc.Heating - - - - - - -13 - - -5 - - - Sfc.Heating BL Depth - - - - - - 50 - - 50 - - - BL Depth EXPERIMENT - - - - - - 101 - - 100 - - - 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] 97188 27 239 32 268 97188 89766 18 247 19 253 89766 84108 11 267 11 255 84108 79455 10 258 14 247 79455 75444 9 257 10 248 75444 71887 8 297 4 281 71887 68660 11 303 10 292 68660 65700 9 293 13 304 65700 62963 7 317 13 307 62963 60307 13 327 18 315 60307 57517 19 320 22 318 57517 54603 19 317 19 327 54603 51812 22 302 20 320 51812 49298 25 296 21 295 49298 47047 20 287 24 256 47047 45019 24 254 31 247 45019 43190 35 231 43 243 43190 41534 39 226 45 225 41534 40016 39 218 48 216 40016 38600 43 217 46 221 38600 37263 45 215 45 223 37263 35966 42 211 48 221 35966 34644 39 209 50 220 34644 33269 34 210 47 218 33269 31844 31 218 45 218 31844 30354 32 228 43 219 30354 28790 36 227 41 221 28790 27149 39 216 40 225 27149 25431 41 214 41 221 25431 23638 40 219 43 219 23638 21775 40 219 42 221 21775 19837 38 218 40 223 19837 17816 38 227 41 220 17816 15764 40 219 42 217 15764 13790 39 209 38 212 13790 11986 42 205 34 219 11986 10374 45 206 36 229 10374 8933 42 210 39 233 8933 7646 37 210 39 232 7646 6498 38 206 29 221 6498 5482 41 201 35 206 5482 4588 43 194 40 198 4588 3800 42 190 40 192 3800 3094 39 187 38 187 3094 2469 34 183 35 186 2469 1948 31 180 32 183 1948 1546 27 176 29 181 1546 1270 23 174 26 180 1270 1102 21 173 23 179 1102 1005 15*171 16*178 1005 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