DrJack's BLIPSPOT for: MON 04/27 Freeport_IL 856ft pt37813@42.185,-89.594,836ft BLIPSPOT sfc.temp. adjusted by +0.1 degF SPONSORED BY: ChicagoLand Glider Council 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 - - - - - - 63.2 - - 67.0 - - - Temp@2m Sfc.Heating - - - - - - 9 - - -33 - - - Sfc.Heating BL Depth - - - - - - 531 - - 62 - - - BL Depth Hcrit - - - - - - 902 - - 902 - - - Hcrit BL Top - - - - - - 1387 - - 918 - - - BL Top Hgt.Variab. - - - - - - 1720 - - 2846 - - - Hgt.Variab. W* - - - - - - 82 - - 30 - - - W* B/S - - - - - - 1 - - 0 - - - B/S BL Wind - - - - - - 17 - - 18 - - - BL Wind Direction - - - - - - 158 - - 173 - - - Direction Wind Shear - - - - - - 7 - - 0 - - - Wind Shear Max.Converg - - - - - - -6 - - -1 - - - Max.Converg CLOUDpotent - - - - - - 287 - - -177 - - - CLOUDpotentl sfcLCL - - - - - - 1100 - - 1095 - - - sfcLCL ODpotential - - - - - - -273 - - -1062 - - - ODpotential blCL - - - - - - 1660 - - 1980 - - - blCL maxRH - - - - - - 98 - - 100 - - - maxRH CAPE - - - - - - 130 - - 1620 - - - CAPE Temp@2m - - - - - - 63.2 - - 67.0 - - - Temp@2m DewPt@2m - - - - - - 61.0 - - 64.6 - - - DewPt@2m Temp@Bot - - - - - - 63.2 - - 68.0 - - - Temp@Bot DewPt@Bot - - - - - - 60.5 - - 64.3 - - - DewPt@bot Sfc.Heating - - - - - - 9 - - -33 - - - Sfc.Heating BL Depth - - - - - - 531 - - 62 - - - BL Depth EXPERIMENT - - - - - - 92 - - 101 - - - EXPERIMENT EXPERIMENT2 - - - - - - 12 - - 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] 97281 32 229 30 246 97281 89934 19 240 18 251 89934 84316 11 272 17 248 84316 79651 8 257 11 252 79651 75648 3 293 3 228 75648 72126 7 330 3 278 72126 68942 11 316 11 290 68942 66001 16 302 15 284 66001 63254 23 289 26 288 63254 60583 26 269 26 284 60583 57781 25 280 33 285 57781 54850 31 274 38 272 54850 52033 29 267 37 265 52033 49484 34 256 43 261 49484 47205 37 248 45 247 47205 45155 41 253 38 249 45155 43278 48 250 55 251 43278 41559 64 245 69 233 41559 40003 75 217 81 217 40003 38577 71 207 83 209 38577 37239 64 209 77 208 37239 35941 62 208 69 209 35941 34616 62 209 63 214 34616 33236 57 213 63 218 33236 31806 52 218 63 221 31806 30310 49 224 63 222 30310 28736 47 228 64 223 28736 27087 45 230 66 223 27087 25363 45 229 70 223 25363 23567 46 229 73 222 23567 21700 47 229 73 221 21700 19757 47 230 72 224 19757 17737 48 231 72 230 17737 15681 52 234 62 232 15681 13698 53 237 49 233 13698 11889 51 239 42 232 11889 10274 46 240 38 223 10274 8831 42 238 37 214 8831 7543 38 229 44 208 7543 6399 34 217 52 202 6399 5386 32 203 55 193 5386 4493 32 188 52 186 4493 3706 32 179 50 183 3706 3001 30 172 46 181 3001 2378 27 167 43 179 2378 1857 25 164 38 176 1857 1457 23*162 34 175 1457 1181 20*160 29 174 1181 1014 18 158 25 173 1014 918 14 156 18*173 918 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