DrJack's BLIPSPOT for: MON 03/18 Truckee 7175ft 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 - - - - - - 1002z - - 1859z - - 1906z Update Time FCST PERIOD - - - - - - 12 hr - - 6 hr - - 9 hr FCST PERIOD Temp@2m - - - - - - 43.4 - - 41.6 - - 31.6 Temp@2m Sfc.Heating - - - - - - 53 - - -1 - - -1 Sfc.Heating BL Depth - - - - - - 3037 - - 2054 - - 16 BL Depth Hcrit - - - - - - 8277 - - 7175 - - 7175 Hcrit BL Top - - - - - - 10212 - - 9230 - - 7192 BL Top Hgt.Variab. - - - - - - 2707 - - 2297 - - 337 Hgt.Variab. W* - - - - - - 249 - - 100 - - 7 W* B/S - - - - - - 5 - - 2 - - 0 B/S BL Wind - - - - - - 9 - - 12 - - 4 BL Wind Direction - - - - - - 202 - - 214 - - 198 Direction Wind Shear - - - - - - 6 - - 10 - - 0 Wind Shear Max.Converg - - - - - - -10 - - -25 - - -8 Max.Converg CLOUDpotent - - - - - - -46 - - 27 - - -105 CLOUDpotentl sfcLCL - - - - - - 10258 - - 9204 - - 7297 sfcLCL ODpotential - - - - - - -4906 - - -4146 - - -5182 ODpotential blCL - - - - - - 15118 - - 13376 - - 12374 blCL maxRH - - - - - - 45 - - 56 - - 86 maxRH CAPE - - - - - - 0 - - 0 - - 0 CAPE Temp@2m - - - - - - 43.4 - - 41.6 - - 31.6 Temp@2m DewPt@2m - - - - - - 23.7 - - 26.4 - - 25.0 DewPt@2m Temp@Bot - - - - - - 43.0 - - 41.7 - - 37.1 Temp@Bot DewPt@Bot - - - - - - 20.8 - - 24.8 - - 26.4 DewPt@bot Sfc.Heating - - - - - - 53 - - -1 - - -1 Sfc.Heating BL Depth - - - - - - 3037 - - 2054 - - 16 BL Depth EXPERIMENT - - - - - - 0 - - 0 - - 45 EXPERIMENT EXPERIMENT2 - - - - - - 2 - - 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] 97037 13 351 5 062 9 319 97037 89796 9 047 14 072 12 059 89796 84177 9 054 14 077 13 061 84177 79495 9 056 7 076 9 044 79495 75465 8 051 3 065 6 038 75465 71908 5 038 2 332 5 019 71908 68689 3 332 3 320 4 359 68689 65736 6 273 6 294 4 288 65736 63005 8 257 9 265 9 243 63005 60362 14 281 12 275 10 251 60362 57589 18 267 17 259 14 250 57589 54710 27 278 24 268 28 250 54710 51968 33 270 28 262 17 234 51968 49486 37 279 32 280 35 275 49486 47248 49 273 53 265 51 259 47248 45216 54 267 50 262 51 252 45216 43349 52 269 50 275 51 257 43349 41618 56 278 59 279 53 264 41618 40005 63 280 68 279 57 268 40005 38503 60 276 66 278 54 267 38503 37117 50 272 57 273 44 262 37117 35814 46 266 49 272 44 259 35814 34532 48 278 48 277 37 274 34532 33240 48 285 44 289 39 287 33240 31932 45 280 49 289 44 286 31932 30591 42 279 50 291 44 289 30591 29210 37 278 43 295 39 289 29210 27797 32 279 33 294 31 290 27797 26360 29 281 28 284 22 288 26360 24900 25 282 26 275 20 271 24900 23420 21 280 21 273 21 266 23420 21910 19 275 17 274 19 260 21910 20366 17 266 13 263 16 246 20366 18818 15 249 12 235 13 227 18818 17340 14 232 13 210 12 208 17340 15998 13 218 13 203 13 204 15998 14797 14 208 14 209 16 207 14797 13715 14 202 17 213 20 209 13715 12737 14 198 20 212 23 210 12737 11849 14 195 21 210 25 212 11849 11045 13 194 21 209 25 213 11045 10318 12*194 20 209 24 212 10318 9661 11*196 18*209 22 209 9661 9059 10 201 15*211 20 207 9059 8514 9 203 13 213 17 207 8514 8050 9 204 12 214 15 207 8050 7688 8 205 11 215 11 205 7688 7435 7 206 10 216 8 200 7435 7281 7 207 8 216 6*193 7281 7192 5 205 5 216 4*198 7192 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