DrJack's BLIPSPOT for: THU 08/20 Williams 107ft pt35866@39.135,-122.099 SPONSORED BY: Milt Hare RUC - Last Analysis,Validation Time = 15Z 3Z ----------------------------------- VALIDATION TIME --------------------------------------- 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0959z - - - - - 1601z Update Time FCST PERIOD - - - - - - 12 hr - - - - - 12 hr FCST PERIOD Temp@2m - - - - - - 90.5 - - - - - 80.4 Temp@2m Sfc.Heating - - - - - - 247 - - - - - -37 Sfc.Heating BL Depth - - - - - - 1860 - - - - - 16 BL Depth Hcrit - - - - - - 1114 - - - - - 107 Hcrit BL Top - - - - - - 1967 - - - - - 123 BL Top Hgt.Variab. - - - - - - 1229 - - - - - 248 Hgt.Variab. W* - - - - - - 316 - - - - - 12 W* B/S - - - - - - 8 - - - - - 0 B/S BL Wind - - - - - - 7 - - - - - 6 BL Wind Direction - - - - - - 153 - - - - - 147 Direction Wind Shear - - - - - - 3 - - - - - 0 Wind Shear Max.Converg - - - - - - -7 - - - - - 1 Max.Converg CLOUDpotent - - - - - - -6681 - - - - - -5318 CLOUDpotentl sfcLCL - - - - - - 8649 - - - - - 5441 sfcLCL ODpotential - - - - - - -12609 - - - - - -12499 ODpotential blCL - - - - - - 14576 - - - - - 12622 blCL maxRH - - - - - - 84 - - - - - 37 maxRH CAPE - - - - - - 0 - - - - - 0 CAPE Temp@2m - - - - - - 90.5 - - - - - 80.4 Temp@2m DewPt@2m - - - - - - 53.3 - - - - - 57.6 DewPt@2m Temp@Bot - - - - - - 88.8 - - - - - 82.5 Temp@Bot DewPt@Bot - - - - - - 52.4 - - - - - 57.1 DewPt@bot Sfc.Heating - - - - - - 247 - - - - - -37 Sfc.Heating BL Depth - - - - - - 1860 - - - - - 16 BL Depth EXPERIMENT - - - - - - 35 - - - - - 0 EXPERIMENT EXPERIMENT2 - - - - - - 8 - - - - - 10 EXPERIMENT2 PROFILES OF WIND SPEED [kt] AND DIRECTION [degTrue] ----------------------------------- VALIDATION TIME --------------------------------------- Height 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z [ft] ------------------------------------------------------------------------------------------- [ft] 99306 18 092 23 110 99306 91839 16 114 15 109 91839 86068 19 118 14 111 86068 81265 13 122 13 107 81265 77125 10 138 14 103 77125 73467 13 126 15 087 73467 70166 13 141 15 078 70166 67152 11 132 12 089 67152 64370 14 139 5 111 64370 61683 10 132 9 166 61683 58884 17 174 10 190 58884 55982 29 199 23 221 55982 53224 31 198 37 208 53224 50752 36 216 40 207 50752 48543 47 223 43 221 48543 46549 58 220 57 218 46549 44738 61 217 68 215 44738 43076 61 217 71 217 43076 41522 62 221 69 219 41522 40054 63 224 66 221 40054 38660 61 225 63 220 38660 37304 59 224 63 218 37304 35918 59 223 64 217 35918 34473 59 222 64 218 34473 32973 59 219 63 219 32973 31401 57 217 60 219 31401 29746 53 216 56 216 29746 28006 48 217 51 215 28006 26179 44 219 47 211 26179 24268 41 220 47 208 24268 22276 39 216 45 208 22276 20196 39 211 40 209 20196 18024 37 212 34 207 18024 15805 31 214 29 203 15805 13663 26 214 26 203 13663 11712 21 208 21 205 11712 9978 18 201 17 204 9978 8440 15 203 14 200 8440 7074 12 210 12 197 7074 5865 10 220 8 199 5865 4797 9 231 5 207 4797 3857 9 229 4 225 3857 3029 9 218 6 215 3029 2290 7*191 9 203 2290 1638 7*165 12 195 1638 1095 7 156 14 184 1095 679 7 152 16 170 679 394 7 148 15 158 394 222 7 146 12 151 222 123 6 145 6*147 123 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 21Z - heights for other times differ slightly Results neglect thermals created by small-scale features not resolved by the smoothed model topography