DrJack's BLIPSPOT for: WED 02/18 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 - - - - - - 0953z - - 1001z - - 1334z Update Time FCST PERIOD - - - - - - 9 hr - - 12 hr - - 12 hr FCST PERIOD Temp@2m - - - - - - 57.3 - - 60.5 - - 53.2 Temp@2m Sfc.Heating - - - - - - 264 - - 135 - - -64 Sfc.Heating BL Depth - - - - - - 3863 - - 5632 - - 61 BL Depth Hcrit - - - - - - 3361 - - 4322 - - 900 Hcrit BL Top - - - - - - 4719 - - 6488 - - 917 BL Top Hgt.Variab. - - - - - - 2735 - - 3908 - - 963 Hgt.Variab. W* - - - - - - 410 - - 373 - - 11 W* B/S - - - - - - 3 - - 2 - - 0 B/S BL Wind - - - - - - 29 - - 39 - - 10 BL Wind Direction - - - - - - 263 - - 239 - - 233 Direction Wind Shear - - - - - - 13 - - 19 - - 0 Wind Shear Max.Converg - - - - - - -6 - - -5 - - -1 Max.Converg CLOUDpotent - - - - - - -4862 - - -2522 - - -7637 CLOUDpotentl sfcLCL - - - - - - 9581 - - 9010 - - 8554 sfcLCL ODpotential - - - - - - -7936 - - -3973 - - -10757 ODpotential blCL - - - - - - 12655 - - 10461 - - 11674 blCL maxRH - - - - - - 33 - - 44 - - 29 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 57.3 - - 60.5 - - 53.2 Temp@2m DewPt@2m - - - - - - 17.8 - - 23.5 - - 18.7 DewPt@2m Temp@Bot - - - - - - 56.2 - - 60.1 - - 55.6 Temp@Bot DewPt@Bot - - - - - - 17.0 - - 23.1 - - 18.5 DewPt@bot Sfc.Heating - - - - - - 264 - - 135 - - -64 Sfc.Heating BL Depth - - - - - - 3863 - - 5632 - - 61 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 3 - - 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] 97030 25 070 23 087 15 079 97030 89829 21 097 11 089 13 054 89829 84207 13 112 4 077 13 044 84207 79513 12 077 8 096 9 058 79513 75453 8 028 9 083 4 077 75453 71851 5 217 5 313 3 030 71851 68584 7 176 7 276 6 310 68584 65588 3 241 9 236 10 259 65588 62804 6 304 6 289 5 265 62804 60086 25 253 22 247 23 279 60086 57237 30 243 21 248 28 234 57237 54264 32 293 23 251 26 225 54264 51396 54 266 50 272 37 272 51396 48797 74 246 70 248 57 258 48797 46482 75 242 70 249 53 252 46482 44394 67 242 68 256 56 262 44394 42473 69 242 72 256 75 260 42473 40694 73 246 80 250 83 254 40694 39046 75 244 80 244 77 249 39046 37517 72 241 74 242 67 249 37517 36095 62 247 69 255 61 254 36095 34736 68 260 67 262 74 258 34736 33363 80 267 77 263 87 251 33363 31956 97 265 93 256 94 254 31956 30522 107 256 101 250 97 259 30522 29048 101 246 106 252 90 258 29048 27523 101 249 102 254 82 258 27523 25943 112 253 96 257 87 264 25943 24301 120 254 103 262 92 263 24301 22590 121 255 102 263 89 260 22590 20812 114 257 96 264 86 258 20812 18956 99 254 91 257 84 259 18956 17020 85 247 85 255 80 268 17020 15050 78 245 81 257 73 263 15050 13154 75 248 75 263 68 261 13154 11425 72 253 66 262 63 265 11425 9884 67 256 60 258 58 264 9884 8511 59 251 52 251 54 259 8511 7289 50 248 47*245 50 253 7289 6199 45 253 43*241 47 250 6199 5230 39*259 42 240 44 249 5230 4374 33*262 41 240 43 249 4374 3615 31 263 40 239 41 249 3615 2933 30 263 40 239 40 249 2933 2330 30 263 39 239 37 247 2330 1825 29 264 38 238 33 245 1825 1438 28 264 36 238 28 242 1438 1171 26 264 34 238 22 238 1171 1009 24 264 31 238 18*236 1009 917 20 264 24 238 10*233 917 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