DrJack's BLIPSPOT for: WED 04/15 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 = 12Z 0Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - 0654z - - 0955z - - 1001z - - 1333z Update Time FCST PERIOD - - - 9 hr - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - 66.9 - - 66.3 - - 67.9 - - 66.6 Temp@2m Sfc.Heating - - - 38 - - -10 - - 25 - - -3 Sfc.Heating BL Depth - - - 1561 - - 713 - - 1447 - - 171 BL Depth Hcrit - - - 901 - - 902 - - 902 - - 901 Hcrit BL Top - - - 2417 - - 1569 - - 2303 - - 1027 BL Top Hgt.Variab. - - - 1192 - - 2132 - - 1911 - - 2139 Hgt.Variab. W* - - - 178 - - 79 - - 151 - - 30 W* B/S - - - 2 - - 1 - - 3 - - 1 B/S BL Wind - - - 18 - - 18 - - 10 - - 10 BL Wind Direction - - - 216 - - 225 - - 183 - - 180 Direction Wind Shear - - - 8 - - 8 - - 4 - - 4 Wind Shear Max.Converg - - - -2 - - 6 - - -1 - - -1 Max.Converg CLOUDpotent - - - 652 - - 70 - - 808 - - 109 CLOUDpotentl sfcLCL - - - 1765 - - 1499 - - 1495 - - 918 sfcLCL ODpotential - - - -2006 - - -1614 - - 151 - - -491 ODpotential blCL - - - 4423 - - 3183 - - 2152 - - 1518 blCL maxRH - - - 98 - - 100 - - 100 - - 100 maxRH CAPE - - - 440 - - 710 - - 1120 - - 1440 CAPE Temp@2m - - - 66.9 - - 66.3 - - 67.9 - - 66.6 Temp@2m DewPt@2m - - - 61.9 - - 62.4 - - 64.0 - - 65.1 DewPt@2m Temp@Bot - - - 66.8 - - 66.7 - - 67.8 - - 66.9 Temp@Bot DewPt@Bot - - - 60.9 - - 61.7 - - 63.1 - - 64.8 DewPt@bot Sfc.Heating - - - 38 - - -10 - - 25 - - -3 Sfc.Heating BL Depth - - - 1561 - - 713 - - 1447 - - 171 BL Depth EXPERIMENT - - - 91 - - 99 - - 101 - - 100 EXPERIMENT EXPERIMENT2 - - - 11 - - 12 - - 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] 96746 9 270 12 310 7 253 21 257 96746 89555 13 216 18 244 18 284 13 297 89555 84063 5 205 13 233 22 251 18 287 84063 79501 10 246 10 223 21 235 21 258 79501 75579 16 240 15 242 12 245 13 260 75579 72088 13 221 18 249 13 259 10 266 72088 68883 12 244 18 244 20 241 18 248 68883 65920 18 239 20 241 24 257 23 258 65920 63175 17 228 28 227 36 245 33 251 63175 60507 21 232 25 223 36 235 31 246 60507 57709 30 232 30 233 32 241 41 249 57709 54796 39 256 47 249 45 240 49 241 54796 52006 60 245 51 245 45 240 56 238 52006 49491 53 243 55 239 54 248 58 240 49491 47241 54 251 56 244 66 246 60 249 47241 45210 64 251 65 246 74 241 74 248 45210 43369 73 250 79 243 86 241 86 241 43369 41704 99 245 100 240 102 239 103 237 41704 40189 124 240 119 234 110 237 117 231 40189 38780 121 240 123 232 111 232 109 224 38780 37445 112 242 111 233 105 229 101 221 37445 36145 105 242 109 235 105 228 97 217 36145 34816 91 240 108 236 105 228 94 213 34816 33429 80 236 102 237 103 230 93 212 33429 31988 79 235 95 236 96 231 92 213 31988 30478 78 236 88 233 89 231 92 216 30478 28889 75 235 72 232 84 231 90 220 28889 27224 70 234 59 233 70 231 86 226 27224 25483 68 235 61 238 56 234 75 232 25483 23670 63 233 66 243 79 237 74 236 23670 21785 55 230 59 239 77 240 62 239 21785 19825 49 233 51 235 58 237 54 239 19825 17781 41 242 42 236 54 239 52 237 17781 15701 37 252 35 238 55 242 48 240 15701 13707 34 265 30 240 47 242 41 243 13707 11894 28 281 29 240 38 239 35 247 11894 10274 25 277 27 242 31 236 30 246 10274 8832 28 268 24 250 28 230 33 230 8832 7551 34 266 23 259 28 223 34 220 7551 6409 35 261 25 259 26 218 32 214 6409 5395 35 244 26 257 21 212 29 211 5395 4500 34 230 27 254 17 205 28 207 4500 3709 28 218 27 250 15 197 27 202 3709 3001 22*213 25 241 14 193 25 198 3001 2377 20*215 23 231 13*192 23 197 2377 1856 19 216 22*226 11*186 19 191 1856 1456 18 216 21*225 10 183 16 185 1456 1181 17 216 19 225 10 182 14*183 1181 1014 15 216 17 225 9 182 12*181 1014 918 12 216 12 226 8 180 8 180 918 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