DrJack's BLIPSPOT for: TUE 04/21 Truckee 7205ft pt35874@39.407,-120.306 SPONSORED BY: Harry Fox RUC - Last Analysis,Validation Time = 15Z 3Z ----------------------------------- VALIDATION TIME --------------------------------------- 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z ------------------------------------------------------------------------------------------- Update Time - - - 0659z - - 1001z - - - - - 1601z Update Time FCST PERIOD - - - 12 hr - - 12 hr - - - - - 12 hr FCST PERIOD Temp@2m - - - 34.4 - - 34.6 - - - - - 23.9 Temp@2m Sfc.Heating - - - 152 - - 196 - - - - - -25 Sfc.Heating BL Depth - - - 1818 - - 1983 - - - - - 16 BL Depth Hcrit - - - 8078 - - 8293 - - - - - 7205 Hcrit BL Top - - - 9024 - - 9189 - - - - - 7222 BL Top Hgt.Variab. - - - 2141 - - 2124 - - - - - 1383 Hgt.Variab. W* - - - 285 - - 320 - - - - - 0 W* B/S - - - 4 - - 3 - - - - - 0 B/S BL Wind - - - 12 - - 19 - - - - - 8 BL Wind Direction - - - 238 - - 234 - - - - - 240 Direction Wind Shear - - - 7 - - 13 - - - - - 0 Wind Shear Max.Converg - - - -26 - - -40 - - - - - -14 Max.Converg CLOUDpotent - - - 1802 - - 1967 - - - - - 1 CLOUDpotentl sfcLCL - - - 7222 - - 7222 - - - - - 7222 sfcLCL ODpotential - - - 761 - - 914 - - - - - -1513 ODpotential blCL - - - 8263 - - 8275 - - - - - 8735 blCL maxRH - - - 98 - - 98 - - - - - 94 maxRH CAPE - - - 0 - - 20 - - - - - 0 CAPE Temp@2m - - - 34.4 - - 34.6 - - - - - 23.9 Temp@2m DewPt@2m - - - 31.5 - - 31.5 - - - - - 22.2 DewPt@2m Temp@Bot - - - 33.4 - - 33.4 - - - - - 25.3 Temp@Bot DewPt@Bot - - - 30.3 - - 30.4 - - - - - 23.3 DewPt@bot Sfc.Heating - - - 152 - - 196 - - - - - -25 Sfc.Heating BL Depth - - - 1818 - - 1983 - - - - - 16 BL Depth EXPERIMENT - - - 94 - - 91 - - - - - 78 EXPERIMENT EXPERIMENT2 - - - 4 - - 4 - - - - - 3 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] 97280 35 278 42 279 40 286 97280 89957 33 281 39 288 34 291 89957 84338 27 277 35 282 23 303 84338 79676 22 275 26 270 19 277 79676 75662 14 282 11 279 12 287 75662 72101 17 254 17 274 18 295 72101 68872 17 225 22 241 16 272 68872 65907 4 083 6 304 10 262 65907 63133 16 285 2 053 19 242 63133 60422 39 242 37 233 28 235 60422 57594 34 220 42 221 28 241 57594 54657 14 197 25 211 26 257 54657 51832 8 247 16 231 31 259 51832 49264 35 248 29 246 38 255 49264 46949 53 238 45 238 44 247 46949 44845 58 231 48 226 45 246 44845 42918 58 223 45 225 47 248 42918 41147 60 213 48 227 47 250 41147 39510 64 205 52 219 49 249 39510 37986 69 201 53 211 46 247 37986 36568 74 201 53 208 42 251 36568 35228 82 201 55 207 43 254 35228 33903 90 197 60 202 44 255 33903 32565 94 194 66 195 42 251 32565 31222 95 191 72 187 39 247 31222 29865 96 189 74 180 36 243 29865 28483 95 188 72 179 34 243 28483 27088 95 188 71 181 31 229 27088 25687 95 189 67 181 30 197 25687 24280 93 191 64 175 29 175 24280 22859 87 194 68 171 20 167 22859 21414 78 195 68 177 18 174 21414 19937 71 194 66 187 19 183 19937 18451 70 191 58 195 22 194 18451 17031 70 193 42 203 26 204 17031 15739 56 198 33 209 29 214 15739 14583 40 199 28 211 32 221 14583 13540 35 199 24 212 35 224 13540 12597 31 202 22 217 37 227 12597 11739 25 209 22 225 38 229 11739 10959 20 217 22 230 39 233 10959 10255 18 222 23 232 38 238 10255 9617 17 227 23*232 37 242 9617 9033 16*231 22*233 35 243 9033 8503 14*235 21 234 33 242 8503 8054 13 238 20 234 29 240 8054 7703 12 238 18 235 24 239 7703 7458 11 239 17 235 19 239 7458 7308 10 239 14 235 16*239 7308 7222 7 240 9 236 8*240 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