DrJack's BLIPSPOT for: MON 04/20 Truckee 7206ft pt35874@39.407,-120.306 SPONSORED BY: Harry Fox RUC - Last Analysis,Validation Time = 18Z 3Z ----------------------------------- VALIDATION TIME --------------------------------------- 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z ------------------------------------------------------------------------------------------- Update Time 0653z - - 0955z - - 1000z - - 1333z - - 1855z Update Time FCST PERIOD 9 hr - - 9 hr - - 12 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m 37.8 - - 43.5 - - 46.0 - - 44.9 - - 37.1 Temp@2m Sfc.Heating -32 - - 182 - - 250 - - 127 - - -51 Sfc.Heating BL Depth 16 - - 1644 - - 2207 - - 2351 - - 16 BL Depth Hcrit 7206 - - 8043 - - 8543 - - 8407 - - 7206 Hcrit BL Top 7222 - - 8851 - - 9413 - - 9558 - - 7223 BL Top Hgt.Variab. 1070 - - 996 - - 1392 - - 2127 - - 2801 Hgt.Variab. W* 23 - - 298 - - 364 - - 299 - - 17 W* B/S 1 - - 2 - - 2 - - 2 - - 0 B/S BL Wind 8 - - 23 - - 28 - - 28 - - 9 BL Wind Direction 216 - - 214 - - 213 - - 207 - - 211 Direction Wind Shear 0 - - 17 - - 22 - - 22 - - 0 Wind Shear Max.Converg -14 - - -36 - - -56 - - -56 - - -12 Max.Converg CLOUDpotent -2063 - - 38 - - 694 - - 1207 - - -93 CLOUDpotentl sfcLCL 9285 - - 8813 - - 8720 - - 8352 - - 7317 sfcLCL ODpotential -8470 - - -5692 - - -4154 - - -1832 - - -3086 ODpotential blCL 15692 - - 14543 - - 13567 - - 11390 - - 10309 blCL maxRH 71 - - 58 - - 68 - - 86 - - 66 maxRH CAPE 0 - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m 37.8 - - 43.5 - - 46.0 - - 44.9 - - 37.1 Temp@2m DewPt@2m 22.5 - - 30.0 - - 32.8 - - 33.2 - - 30.1 DewPt@2m Temp@Bot 39.0 - - 42.6 - - 44.8 - - 44.2 - - 38.7 Temp@Bot DewPt@Bot 21.3 - - 28.8 - - 31.6 - - 32.1 - - 29.4 DewPt@bot Sfc.Heating -32 - - 182 - - 250 - - 127 - - -51 Sfc.Heating BL Depth 16 - - 1644 - - 2207 - - 2351 - - 16 BL Depth EXPERIMENT 0 - - 0 - - 0 - - 45 - - 0 EXPERIMENT EXPERIMENT2 3 - - 4 - - 4 - - 4 - - 4 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] 97144 35 269 42 272 56 277 47 296 35 292 97144 89872 30 291 26 283 35 277 46 284 35 292 89872 84251 28 291 23 278 30 269 37 267 39 282 84251 79595 21 271 17 281 24 265 25 273 22 278 79595 75601 16 269 16 291 18 299 13 293 6 290 75601 72055 19 266 23 257 22 290 15 283 10 276 72055 68842 12 260 19 252 21 250 16 254 11 278 68842 65881 5 317 4 318 8 218 14 260 10 313 65881 63110 21 269 17 260 14 256 24 266 21 276 63110 60422 26 250 30 245 29 244 32 241 31 244 60422 57633 23 233 23 258 25 244 23 232 26 225 57633 54718 27 233 25 256 24 245 18 243 20 221 54718 51894 33 237 33 242 33 235 30 239 31 233 51894 49338 40 244 35 235 37 233 40 233 46 232 49338 47067 46 249 37 240 43 239 43 236 53 230 47067 45053 54 249 44 241 50 236 51 239 52 229 45053 43256 56 244 50 237 52 224 53 223 54 223 43256 41622 54 249 53 236 55 218 57 201 53 211 41622 40106 58 254 53 237 56 216 60 194 50 202 40106 38688 61 252 57 237 57 215 59 193 51 205 38688 37354 64 250 60 237 56 215 58 194 52 207 37354 36076 66 250 62 237 55 217 56 195 53 208 36076 34796 68 251 61 238 53 218 54 196 53 207 34796 33487 68 252 59 240 51 219 52 197 53 205 33487 32157 65 248 58 240 50 219 51 197 54 203 32157 30796 63 239 56 239 50 218 51 199 55 204 30796 29397 64 231 56 233 53 219 53 204 56 207 29397 27964 63 227 59 229 56 220 55 210 56 211 27964 26500 59 224 62 227 59 221 57 213 55 211 26500 25009 55 223 60 226 60 221 61 214 56 208 25009 23497 50 220 54 223 58 219 65 213 62 206 23497 21962 47 216 48 218 54 215 65 214 66 206 21962 20401 46 209 46 211 50 209 63 213 67 206 20401 18838 44 203 46 205 48 204 59 209 63 205 18838 17351 43 198 47 199 48 201 57 206 59 203 17351 16005 42 196 47 195 49 199 56 203 57 203 16005 14803 41 195 46 193 49 199 55 203 57 203 14803 13723 41 195 44 193 49 199 54 203 57 202 13723 12745 41 195 43 194 48 199 53 203 56 200 12745 11860 41 196 43 196 47 199 50 203 53 199 11860 11058 42 197 43 198 46 199 48 202 50 200 11058 10336 42 198 43 200 44 200 44 201 48 202 10336 9682 42 198 42 201 39*203 39*202 45 204 9682 9083 40 201 36*205 34*208 34*204 41 206 9083 8541 37 205 28*211 31 212 31 207 37 207 8541 8079 33 210 26 213 29 214 29 208 33 208 8079 7717 28 213 24 215 27 215 27 209 27 209 7717 7466 21 215 21 216 24 216 24 210 22 209 7466 7311 16 216 18 216 20 217 20 210 17*210 7311 7223 8*216 11 216 12 217 12 211 9*211 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