DrJack's BLIPSPOT for: FRI 04/03 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 - - - - - - 41.7 - - 48.5 - - - Temp@2m Sfc.Heating - - - - - - 22 - - 2 - - - Sfc.Heating BL Depth - - - - - - 653 - - 49 - - - BL Depth Hcrit - - - - - - 987 - - 987 - - - Hcrit BL Top - - - - - - 1608 - - 1004 - - - BL Top Hgt.Variab. - - - - - - 960 - - 1120 - - - Hgt.Variab. W* - - - - - - 103 - - 22 - - - W* B/S - - - - - - 1 - - 0 - - - B/S BL Wind - - - - - - 16 - - 10 - - - BL Wind Direction - - - - - - 093 - - 125 - - - Direction Wind Shear - - - - - - 7 - - 0 - - - Wind Shear Max.Converg - - - - - - 4 - - 1 - - - Max.Converg CLOUDpotent - - - - - - 501 - - 0 - - - CLOUDpotentl sfcLCL - - - - - - 1107 - - 1004 - - - sfcLCL ODpotential - - - - - - 169 - - -229 - - - ODpotential blCL - - - - - - 1439 - - 1233 - - - blCL maxRH - - - - - - 100 - - 100 - - - maxRH CAPE - - - - - - 1180 - - 1430 - - - CAPE Temp@2m - - - - - - 41.7 - - 48.5 - - - Temp@2m DewPt@2m - - - - - - 40.4 - - 47.6 - - - DewPt@2m Temp@Bot - - - - - - 41.7 - - 48.4 - - - Temp@Bot DewPt@Bot - - - - - - 40.0 - - 47.5 - - - DewPt@bot Sfc.Heating - - - - - - 22 - - 2 - - - Sfc.Heating BL Depth - - - - - - 653 - - 49 - - - BL Depth EXPERIMENT - - - - - - 101 - - 101 - - - EXPERIMENT EXPERIMENT2 - - - - - - 5 - - 7 - - - 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] 96663 25 241 24 262 96663 89473 15 227 20 255 89473 83978 3 236 15 252 83978 79409 6 273 18 265 79409 75467 7 302 14 250 75467 71989 7 298 12 255 71989 68833 11 289 12 273 68833 65901 18 289 18 286 65901 63151 26 275 24 272 63151 60469 24 257 30 261 60469 57671 21 259 28 250 57671 54761 23 257 20 241 54761 51960 21 241 24 268 51960 49430 35 255 43 250 49430 47182 49 248 40 244 47182 45166 47 246 39 247 45166 43344 47 246 49 243 43344 41684 47 244 53 239 41684 40153 47 242 53 239 40153 38724 49 238 52 239 38724 37380 50 234 53 238 37380 36078 53 233 54 236 36078 34751 57 234 56 236 34751 33370 58 236 58 235 33370 31941 56 237 58 231 31941 30449 52 238 54 230 30449 28878 50 241 53 230 28878 27227 54 242 52 225 27227 25495 60 240 49 223 25495 23687 59 239 48 229 23687 21806 54 236 47 235 21806 19848 46 234 46 238 19848 17806 40 237 45 233 17806 15726 41 235 46 220 15726 13727 48 224 50 206 13727 11913 44 224 52 202 11913 10297 39 217 50 207 10297 8854 42 209 43 215 8854 7563 46 206 36 220 7563 6414 48 205 37 218 6414 5395 48 203 39 207 5395 4499 46 193 38 196 4499 3712 37 174 37 187 3712 3011 26 131 32 171 3011 2402 22 107 26 139 2402 1900 20*099 23 135 1900 1518 18*095 19 129 1518 1255 17 093 16 127 1255 1095 15 092 14*126 1095 1004 11 092 10*125 1004 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