DrJack's BLIPSPOT for: TUE 02/17 Truckee 7205ft 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 15.6 - - 21.0 - - 20.3 - - 20.2 - - 17.2 Temp@2m Sfc.Heating -23 - - 64 - - 149 - - 45 - - -14 Sfc.Heating BL Depth 16 - - 585 - - 1763 - - 706 - - 16 BL Depth Hcrit 7204 - - 7205 - - 8025 - - 7205 - - 7205 Hcrit BL Top 7221 - - 7790 - - 8968 - - 7911 - - 7221 BL Top Hgt.Variab. 2044 - - 2738 - - 2805 - - 4024 - - 3407 Hgt.Variab. W* 0 - - 146 - - 279 - - 138 - - 6 W* B/S 0 - - 1 - - 1 - - 1 - - 0 B/S BL Wind 9 - - 28 - - 35 - - 29 - - 9 BL Wind Direction 224 - - 233 - - 246 - - 237 - - 264 Direction Wind Shear 0 - - 23 - - 30 - - 24 - - 0 Wind Shear Max.Converg -10 - - -47 - - -68 - - -55 - - -12 Max.Converg CLOUDpotent 0 - - 569 - - 1747 - - 690 - - 0 CLOUDpotentl sfcLCL 7221 - - 7221 - - 7221 - - 7221 - - 7221 sfcLCL ODpotential -1293 - - -279 - - 457 - - -337 - - -961 ODpotential blCL 8514 - - 8069 - - 8511 - - 8248 - - 8182 blCL maxRH 91 - - 92 - - 91 - - 99 - - 91 maxRH CAPE 0 - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m 15.6 - - 21.0 - - 20.3 - - 20.2 - - 17.2 Temp@2m DewPt@2m 13.4 - - 18.8 - - 17.5 - - 17.1 - - 14.9 DewPt@2m Temp@Bot 17.1 - - 20.8 - - 19.6 - - 20.1 - - 18.0 Temp@Bot DewPt@Bot 14.8 - - 18.3 - - 16.4 - - 16.7 - - 15.0 DewPt@bot Sfc.Heating -23 - - 64 - - 149 - - 45 - - -14 Sfc.Heating BL Depth 16 - - 585 - - 1763 - - 706 - - 16 BL Depth EXPERIMENT 65 - - 67 - - 62 - - 95 - - 66 EXPERIMENT EXPERIMENT2 2 - - 3 - - 2 - - 3 - - 2 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] 96901 31 108 24 104 26 112 27 111 21 110 96901 89702 28 112 25 108 24 124 21 109 26 107 89702 84113 18 110 29 118 19 128 17 109 22 099 84113 79442 13 113 17 109 10 142 6 135 11 068 79442 75400 6 340 11 127 9 134 9 114 8 036 75400 71827 5 297 5 236 5 216 2 234 1 289 71827 68574 4 243 12 103 12 119 9 159 5 216 68574 65547 28 232 24 228 15 262 9 276 4 296 65547 62716 25 209 34 217 20 241 19 227 16 242 62716 59983 22 159 24 203 16 164 16 192 17 219 59983 57096 20 238 13 230 22 230 24 261 20 263 57096 54051 44 246 38 259 44 247 36 255 33 276 54051 51131 58 253 58 257 54 257 46 258 43 267 51131 48505 61 254 64 252 53 258 46 257 45 265 48505 46162 55 252 59 252 45 258 44 266 43 264 46162 44042 44 257 52 252 39 263 40 266 39 264 44042 42105 42 271 42 250 38 269 26 273 35 269 42105 40318 48 272 35 261 42 277 30 297 35 283 40318 38654 48 268 36 272 51 278 46 291 43 290 38654 37102 43 265 44 274 59 272 58 281 46 287 37102 35662 34 267 52 272 61 269 66 275 48 286 35662 34302 34 276 56 270 62 271 72 271 53 282 34302 32960 47 277 61 272 72 271 77 266 61 274 32960 31614 62 274 69 273 90 264 82 262 67 266 31614 30278 76 271 81 270 101 256 88 259 71 260 30278 28942 90 269 94 265 98 251 94 255 76 252 28942 27599 102 268 99 263 91 252 100 250 79 248 27599 26251 109 269 97 259 95 256 101 246 82 243 26251 24898 107 270 91 255 102 255 96 240 84 237 24898 23542 98 266 85 252 97 250 95 240 87 235 23542 22176 84 260 82 249 90 242 97 242 90 233 22176 20789 75 258 77 246 86 237 94 243 90 237 20789 19377 71 259 71 245 78 238 89 242 77 240 19377 17966 66 260 63 246 70 242 86 241 62 242 17966 16622 65 256 55 249 70 247 83 244 52 242 16622 15401 66 251 56 250 70 251 77 247 48 243 15401 14307 66 248 59 248 69 252 70 248 46 244 14307 13318 66 246 63 244 68 253 65 247 44 244 13318 12419 65 242 67 239 65 253 62 247 43 245 12419 11600 62 238 68 234 59 252 60 246 41 247 11600 10853 59 234 67 231 55 250 58 245 40 251 10853 10175 57 232 64 230 52 248 56 244 39 254 10175 9558 55 231 61 229 50 247 54 242 38 256 9558 8991 52 230 56 230 48*247 52 241 37 258 8991 8476 46 229 50 231 44*246 48 240 35 260 8476 8037 39 228 43*232 40 246 43*239 31 261 8037 7693 32 227 37*233 36 246 38*238 27 262 7693 7453 25 226 31 233 31 245 32 237 22 262 7453 7306 20*226 26 233 25 245 26 236 18*263 7306 7221 9*224 14 233 14 245 14 236 9*264 7221 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