DrJack's BLIPSPOT for: SUN 04/19 Truckee 7206ft pt35874@39.407,-120.306 SPONSORED BY: Harry Fox RUC - Last Analysis,Validation Time = 15Z 3Z ----------------------------------- VALIDATION TIME --------------------------------------- 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z ------------------------------------------------------------------------------------------- Update Time - - - 0659z - - 1001z - - - - - 1601z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - - - - 12 hr FCST PERIOD Temp@2m - - - 46.6 - - 48.3 - - - - - 40.0 Temp@2m Sfc.Heating - - - 103 - - 173 - - - - - -30 Sfc.Heating BL Depth - - - 2336 - - 3086 - - - - - 16 BL Depth Hcrit - - - 8344 - - 9083 - - - - - 7206 Hcrit BL Top - - - 9543 - - 10293 - - - - - 7223 BL Top Hgt.Variab. - - - 1885 - - 1546 - - - - - 1371 Hgt.Variab. W* - - - 288 - - 366 - - - - - 11 W* B/S - - - 3 - - 3 - - - - - 0 B/S BL Wind - - - 19 - - 20 - - - - - 5 BL Wind Direction - - - 199 - - 207 - - - - - 218 Direction Wind Shear - - - 15 - - 15 - - - - - 0 Wind Shear Max.Converg - - - -33 - - -32 - - - - - -11 Max.Converg CLOUDpotent - - - -1123 - - 736 - - - - - 1 CLOUDpotentl sfcLCL - - - 10667 - - 9558 - - - - - 7223 sfcLCL ODpotential - - - -6535 - - -4058 - - - - - -4432 ODpotential blCL - - - 16078 - - 14351 - - - - - 11655 blCL maxRH - - - 76 - - 84 - - - - - 77 maxRH CAPE - - - 0 - - 0 - - - - - 0 CAPE Temp@2m - - - 46.6 - - 48.3 - - - - - 40.0 Temp@2m DewPt@2m - - - 25.1 - - 31.4 - - - - - 36.5 DewPt@2m Temp@Bot - - - 46.0 - - 47.2 - - - - - 41.7 Temp@Bot DewPt@Bot - - - 23.9 - - 30.2 - - - - - 36.1 DewPt@bot Sfc.Heating - - - 103 - - 173 - - - - - -30 Sfc.Heating BL Depth - - - 2336 - - 3086 - - - - - 16 BL Depth EXPERIMENT - - - 5 - - 37 - - - - - 10 EXPERIMENT EXPERIMENT2 - - - 3 - - 4 - - - - - 6 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] 97055 49 281 56 285 49 287 97055 89738 43 276 44 274 42 289 89738 84124 29 272 29 274 31 288 84124 79469 19 275 22 270 20 280 79469 75463 18 280 22 267 11 285 75463 71932 16 276 18 260 13 279 71932 68740 12 281 13 266 14 255 68740 65798 16 273 17 253 13 254 65798 63051 16 257 18 246 21 258 63051 60386 15 261 25 250 27 248 60386 57605 27 260 28 253 27 253 57605 54706 38 255 46 253 38 250 54706 51922 53 252 54 246 42 244 51922 49397 54 247 53 246 44 246 49397 47120 46 245 50 245 47 247 47120 45060 42 248 46 243 50 245 45060 43201 42 250 43 242 50 243 43201 41520 41 240 43 241 47 249 41520 39982 33 229 41 232 53 261 39982 38560 30 221 37 229 54 261 38560 37238 34 222 32 234 51 259 37238 35975 36 220 32 240 48 257 35975 34710 36 219 32 238 45 255 34710 33418 36 217 33 232 41 249 33418 32106 36 215 35 227 39 241 32106 30762 36 216 36 223 40 232 30762 29380 38 217 37 221 40 227 29380 27964 38 218 37 221 39 225 27964 26518 35 219 36 222 37 224 26518 25046 33 221 36 220 34 218 25046 23553 33 223 36 217 33 209 23553 22035 35 214 35 216 32 202 22035 20487 34 199 34 216 30 196 20487 18934 32 198 33 212 30 197 18934 17451 31 204 33 205 31 199 17451 16102 32 205 32 200 31 201 16102 14894 32 201 31 197 31 203 14894 13805 31 197 30 195 31 204 13805 12818 30 195 31 194 31 205 12818 11921 30 195 32 194 33 205 11921 11108 30 196 31 195 36 202 11108 10374 29 197 26*199 39 199 10374 9709 26*198 25*201 40 198 9709 9101 24*198 22 205 37 200 9101 8553 21 199 20 208 32 204 8553 8086 19 200 19 209 25 209 8086 7722 17 200 18 210 19 215 7722 7468 16 200 17 210 14 217 7468 7312 13 200 14 211 11*218 7312 7223 9 200 9 211 5*218 7223 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