DrJack's BLIPSPOT for: THU 12/18 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 - - - - - - 0700z - - 1002z - - 1334z Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 41.1 - - 38.2 - - 29.0 Temp@2m Sfc.Heating - - - - - - 42 - - -16 - - 55 Sfc.Heating BL Depth - - - - - - 1215 - - 257 - - 2442 BL Depth Hcrit - - - - - - 899 - - 899 - - 899 Hcrit BL Top - - - - - - 2071 - - 1113 - - 3298 BL Top Hgt.Variab. - - - - - - 725 - - 3216 - - 1322 Hgt.Variab. W* - - - - - - 157 - - 51 - - 218 W* B/S - - - - - - 1 - - 1 - - 1 B/S BL Wind - - - - - - 25 - - 17 - - 32 BL Wind Direction - - - - - - 283 - - 266 - - 270 Direction Wind Shear - - - - - - 12 - - 5 - - 17 Wind Shear Max.Converg - - - - - - -2 - - -2 - - -6 Max.Converg CLOUDpotent - - - - - - 1050 - - -710 - - 1465 CLOUDpotentl sfcLCL - - - - - - 1021 - - 1823 - - 1833 sfcLCL ODpotential - - - - - - 546 - - -1411 - - 709 ODpotential blCL - - - - - - 1525 - - 2524 - - 2589 blCL maxRH - - - - - - 100 - - 89 - - 100 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 41.1 - - 38.2 - - 29.0 Temp@2m DewPt@2m - - - - - - 39.3 - - 33.2 - - 24.0 DewPt@2m Temp@Bot - - - - - - 41.1 - - 38.8 - - 28.7 Temp@Bot DewPt@Bot - - - - - - 38.7 - - 32.0 - - 22.9 DewPt@bot Sfc.Heating - - - - - - 42 - - -16 - - 55 Sfc.Heating BL Depth - - - - - - 1215 - - 257 - - 2442 BL Depth EXPERIMENT - - - - - - 102 - - 57 - - 100 EXPERIMENT EXPERIMENT2 - - - - - - 5 - - 4 - - 2 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] 96179 25 271 17 294 12 259 96179 89214 12 264 19 261 15 268 89214 83740 10 255 21 261 17 264 83740 79148 14 255 17 241 20 245 79148 75172 13 257 15 247 15 244 75172 71620 17 247 22 262 19 278 71620 68378 15 242 20 254 24 286 68378 65390 14 265 17 244 20 275 65390 62611 16 276 17 238 15 267 62611 59907 23 264 13 275 13 239 59907 57069 31 245 21 261 11 260 57069 54110 38 255 35 244 47 249 54110 51273 50 258 46 232 53 227 51273 48684 55 248 48 221 44 223 48684 46347 57 243 47 239 34 236 46347 44232 58 238 51 236 33 241 44232 42300 57 223 59 231 36 237 42300 40524 55 210 58 234 36 241 40524 38882 52 212 61 234 39 251 38882 37353 65 220 64 229 48 250 37353 35922 74 212 66 222 54 241 35922 34548 84 206 72 217 59 232 34548 33161 97 202 81 210 58 225 33161 31737 104 203 94 200 61 215 31737 30284 102 200 107 195 73 208 30284 28790 99 196 114 193 81 203 28790 27241 90 195 112 193 92 194 27241 25634 91 198 113 193 101 192 25634 23961 94 202 111 193 104 194 23961 22220 93 208 109 196 97 199 22220 20420 92 214 105 200 66 209 20420 18559 87 213 97 201 47 222 18559 16626 83 210 91 202 44 224 16626 14656 73 206 73 209 47 227 14656 12758 63 198 60 220 45 229 12758 11032 60 196 45 226 40 236 11032 9502 59 198 35 228 36 242 9502 8148 59 201 38 245 42 238 8148 6953 55 203 44 251 50 228 6953 5899 46 209 46 251 46 236 5899 4973 37 222 42 253 37 270 4973 4164 30 240 39 263 37 277 4164 3450 27 259 35 267 37*277 3450 2811 29 284 33 267 36*272 2811 2244 29*284 32 267 35 271 2244 1770 29*284 30 267 33 270 1770 1406 27 283 27 267 31 269 1406 1155 25 283 24*267 28 269 1155 1003 22 283 21*266 25 269 1003 915 17 282 15 266 19 268 915 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