DrJack's BLIPSPOT for: SUN 09/27 Truckee 7207ft 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 - - - 0953z - - 1001z - - 1333z - - 1854z Update Time FCST PERIOD - - - 9 hr - - 12 hr - - 12 hr - - 9 hr FCST PERIOD Temp@2m - - - 55.8 - - 57.1 - - 53.4 - - 44.0 Temp@2m Sfc.Heating - - - 320 - - 384 - - 200 - - -12 Sfc.Heating BL Depth - - - 4731 - - 5533 - - 3568 - - 16 BL Depth Hcrit - - - 10517 - - 11221 - - 9435 - - 7206 Hcrit BL Top - - - 11938 - - 12740 - - 10776 - - 7223 BL Top Hgt.Variab. - - - 1444 - - 2371 - - 1842 - - 1882 Hgt.Variab. W* - - - 491 - - 550 - - 382 - - 3 W* B/S - - - 3 - - 4 - - 3 - - 0 B/S BL Wind - - - 26 - - 25 - - 23 - - 5 BL Wind Direction - - - 216 - - 217 - - 225 - - 243 Direction Wind Shear - - - 18 - - 16 - - 16 - - 0 Wind Shear Max.Converg - - - -37 - - -44 - - -51 - - -10 Max.Converg CLOUDpotent - - - 410 - - 1135 - - 140 - - -491 CLOUDpotentl sfcLCL - - - 11529 - - 11606 - - 10637 - - 7715 sfcLCL ODpotential - - - -2640 - - -798 - - -2543 - - -4901 ODpotential blCL - - - 14578 - - 13538 - - 13319 - - 12124 blCL maxRH - - - 93 - - 92 - - 66 - - 74 maxRH CAPE - - - 0 - - 0 - - 0 - - 0 CAPE Temp@2m - - - 55.8 - - 57.1 - - 53.4 - - 44.0 Temp@2m DewPt@2m - - - 30.3 - - 31.1 - - 31.7 - - 35.2 DewPt@2m Temp@Bot - - - 54.3 - - 55.2 - - 52.2 - - 45.0 Temp@Bot DewPt@Bot - - - 30.2 - - 31.0 - - 31.7 - - 35.2 DewPt@bot Sfc.Heating - - - 320 - - 384 - - 200 - - -12 Sfc.Heating BL Depth - - - 4731 - - 5533 - - 3568 - - 16 BL Depth EXPERIMENT - - - 71 - - 66 - - 0 - - 0 EXPERIMENT EXPERIMENT2 - - - 4 - - 4 - - 5 - - 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] 98384 3 088 9 129 6 261 5 300 98384 91011 5 161 6 069 9 137 6 156 91011 85303 2 143 2 339 6 034 4 057 85303 80572 5 049 1 091 2 197 6 340 80572 76527 5 306 7 001 5 111 6 325 76527 72976 3 177 5 306 5 069 7 052 72976 69756 3 300 10 261 7 331 7 358 69756 66785 2 163 11 224 7 309 10 298 66785 64022 5 241 12 235 16 268 14 253 64022 61330 20 259 20 245 22 259 19 251 61330 58519 21 251 23 246 23 249 20 269 58519 55609 22 247 21 262 20 262 26 271 55609 52824 32 263 37 260 32 264 28 261 52824 50302 46 259 43 257 40 264 40 265 50302 48037 51 258 50 260 48 263 49 263 48037 45978 58 258 55 259 57 263 54 262 45978 44083 68 253 61 253 63 259 60 260 44083 42321 75 247 66 246 66 254 64 254 42321 40671 77 245 69 244 67 250 67 247 40671 39121 76 243 69 242 68 248 67 246 39121 37678 78 240 68 241 67 246 65 247 37678 36315 78 237 68 240 66 243 60 245 36315 34971 74 233 69 238 66 240 57 241 34971 33621 68 226 67 234 67 237 54 236 33621 32268 64 221 65 229 67 232 53 234 32268 30897 63 221 64 226 66 228 51 231 30897 29497 60 224 62 223 60 227 51 227 29497 28071 55 227 58 219 56 226 49 224 28071 26618 52 227 54 214 54 227 46 222 26618 25139 56 224 51 216 51 226 41 215 25139 23638 54 219 47 222 47 222 39 207 23638 22113 48 214 43 230 43 215 39 202 22113 20557 43 211 36 234 39 210 38 200 20557 18996 39 211 37 231 36 206 36 199 18996 17502 36 213 40 217 33 202 33 200 17502 16145 34 216 40 205 31 200 31 205 16145 14929 31 220 35 201 31 202 29 212 14929 13834 31 222 31 204 32 207 28 219 13834 12843 32 218 28*209 33 210 28 224 12843 11942 30*215 27*211 33 212 29 224 11942 11126 30*214 27 213 29*216 33 221 11126 10389 30 214 27 215 27*220 36 218 10389 9722 29 215 26 217 25 222 37 216 9722 9111 28 216 26 219 24 225 32 218 9111 8560 26 216 25 220 24 226 23 226 8560 8091 25 217 24 221 23 227 18 236 8091 7725 24 217 23 222 22 227 15 242 7725 7470 22 217 21 222 20 227 12 243 7470 7313 18 217 18 222 17 227 9*243 7313 7223 12 217 12 223 11 228 5*243 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