DrJack's BLIPSPOT for: WED 04/23 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 - - 0954z - - 1000z - - 1332z - - 1854z Update Time FCST PERIOD 9 hr - - 9 hr - - 12 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m 32.4 - - 42.5 - - 43.0 - - 40.9 - - 32.3 Temp@2m Sfc.Heating -51 - - 89 - - 130 - - 57 - - -33 Sfc.Heating BL Depth 16 - - 2900 - - 2163 - - 1550 - - 16 BL Depth Hcrit 7205 - - 8611 - - 8278 - - 7206 - - 7206 Hcrit BL Top 7222 - - 10106 - - 9369 - - 8756 - - 7222 BL Top Hgt.Variab. 460 - - 1632 - - 1669 - - 1634 - - 690 Hgt.Variab. W* 18 - - 287 - - 292 - - 201 - - 0 W* B/S 0 - - 3 - - 4 - - 3 - - 0 B/S BL Wind 7 - - 15 - - 15 - - 14 - - 5 BL Wind Direction 223 - - 213 - - 234 - - 249 - - 259 Direction Wind Shear 0 - - 11 - - 8 - - 8 - - 0 Wind Shear Max.Converg -16 - - -22 - - -39 - - -37 - - -12 Max.Converg CLOUDpotent -2368 - - 1824 - - 624 - - 1 - - 0 CLOUDpotentl sfcLCL 9591 - - 8282 - - 8746 - - 8756 - - 7222 sfcLCL ODpotential -8806 - - -2388 - - -3218 - - -4601 - - -4046 ODpotential blCL 16028 - - 12494 - - 12587 - - 13357 - - 11268 blCL maxRH 59 - - 68 - - 61 - - 58 - - 73 maxRH CAPE 0 - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m 32.4 - - 42.5 - - 43.0 - - 40.9 - - 32.3 Temp@2m DewPt@2m 16.0 - - 31.3 - - 29.7 - - 27.7 - - 28.5 DewPt@2m Temp@Bot 35.6 - - 42.0 - - 42.1 - - 40.5 - - 35.7 Temp@Bot DewPt@Bot 14.9 - - 30.0 - - 28.5 - - 26.5 - - 29.2 DewPt@bot Sfc.Heating -51 - - 89 - - 130 - - 57 - - -33 Sfc.Heating BL Depth 16 - - 2900 - - 2163 - - 1550 - - 16 BL Depth EXPERIMENT 0 - - 0 - - 0 - - 0 - - 0 EXPERIMENT EXPERIMENT2 2 - - 4 - - 4 - - 3 - - 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] 97554 6 079 3 018 4 147 4 110 4 228 97554 90185 1 155 3 216 5 166 5 288 7 083 90185 84524 8 156 6 200 8 269 6 315 9 073 84524 79819 4 178 8 257 10 256 7 320 6 041 79819 75748 9 052 7 228 8 235 14 264 8 312 75748 72138 20 293 11 303 5 327 13 259 15 263 72138 68874 19 272 25 270 16 274 12 241 16 239 68874 65863 8 260 21 251 23 255 19 255 17 246 65863 63041 12 271 17 265 25 260 25 262 21 254 63041 60287 27 258 20 271 28 262 28 266 24 260 60287 57406 33 255 26 266 30 259 29 265 28 261 57406 54426 32 262 31 266 30 256 29 262 29 263 54426 51595 29 268 34 267 31 258 32 264 30 267 51595 49059 30 267 33 264 35 260 35 266 31 268 49059 46794 31 266 32 262 35 260 35 266 34 268 46794 44750 32 271 32 265 34 264 37 267 36 268 44750 42889 38 277 34 266 37 266 38 266 36 269 42889 41185 45 276 36 271 37 269 39 266 37 270 41185 39618 50 272 41 276 39 273 38 266 38 272 39618 38174 50 268 47 277 43 277 37 270 39 273 38174 36842 49 267 52 274 49 276 41 274 41 275 36842 35583 49 267 53 270 51 275 46 274 45 276 35583 34331 49 268 54 268 51 274 49 271 47 275 34331 33056 49 270 53 268 50 274 47 270 46 276 33056 31761 50 270 51 269 49 275 44 270 44 276 31761 30436 49 267 51 269 50 275 41 270 41 275 30436 29075 48 265 52 268 52 276 41 274 39 276 29075 27682 47 264 50 268 48 275 40 278 37 280 27682 26260 45 264 44 269 41 273 35 278 33 281 26260 24814 41 265 37 269 35 271 30 277 29 281 24814 23347 38 264 32 268 31 271 27 278 27 282 23347 21853 34 260 31 264 29 271 25 280 25 285 21853 20326 32 258 31 258 28 270 24 283 22 289 20326 18791 30 258 29 256 27 268 23 286 19 294 18791 17321 28 258 26 253 24 266 20 288 17 298 17321 15986 26 258 24 249 22 264 17 289 15 301 15986 14793 24 257 22 243 19 262 14 290 11 311 14793 13721 23 255 20 237 18 260 12 291 8 342 13721 12750 23 253 18 228 17 257 12 291 8 011 12750 11868 23 251 18 217 16 247 12 283 9 019 11868 11067 23 249 19 210 17 233 13 269 8 016 11067 10343 23 246 19*209 17 228 14 256 8 008 10343 9686 24 240 18*210 17*229 15 251 7 354 9686 9084 26 232 18 211 16*231 16*249 7 326 9084 8539 29 223 17 213 16 233 16*249 9 287 8539 8077 30 218 15 213 16 234 15 249 13 266 8077 7716 27 217 14 214 15 235 14 249 13 260 7716 7465 21 218 13 215 14 236 13 249 12 259 7465 7311 16*220 11 215 12 236 11 248 10 259 7311 7222 7*223 7 215 8 237 7 249 5*259 7222 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