DrJack's BLIPSPOT for: SUN 05/20 Truckee 7139ft pt35874@39.407,-120.306 SPONSORED BY: Harry Fox RUC - Last Analysis,Validation Time = 21Z 3Z ----------------------------------- VALIDATION TIME --------------------------------------- 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z 1Z 2Z 3Z ------------------------------------------------------------------------------------------- Update Time 0956z - - 1328z - - 1558z - - 1858z - - 2158z Update Time FCST PERIOD 6 hr - - 6 hr - - 6 hr - - 6 hr - - 6 hr FCST PERIOD Temp@2m 42.9 - - 47.0 - - 49.1 - - 48.3 - - 43.2 Temp@2m Sfc.Heating -9 - - 40 - - 50 - - 6 - - -31 Sfc.Heating BL Depth 16 - - 16 - - 16 - - 16 - - 16 BL Depth Hcrit 7138 - - 7138 - - 7138 - - 7139 - - 7138 Hcrit BL Top 7155 - - 7155 - - 7155 - - 7155 - - 7155 BL Top Hgt.Variab. 896 - - 3204 - - 3951 - - 2949 - - 1197 Hgt.Variab. W* 12 - - 38 - - 41 - - 22 - - 0 W* B/S 0 - - 1 - - 1 - - 1 - - 0 B/S BL Wind 5 - - 5 - - 7 - - 8 - - 6 BL Wind Direction 227 - - 233 - - 246 - - 265 - - 281 Direction Wind Shear 0 - - 0 - - 0 - - 0 - - 0 Wind Shear Max.Converg -8 - - -8 - - -11 - - -12 - - -10 Max.Converg CLOUDpotent -697 - - -2302 - - -2442 - - -1336 - - 0 CLOUDpotentl sfcLCL 7853 - - 9458 - - 9597 - - 8491 - - 7155 sfcLCL ODpotential -4636 - - -5771 - - -5568 - - -4579 - - -3746 ODpotential blCL 11791 - - 12926 - - 12723 - - 11734 - - 10901 blCL maxRH 70 - - 76 - - 86 - - 87 - - 101 maxRH CAPE 0 - - 0 - - 0 - - 60 - - 30 CAPE Temp@2m 42.9 - - 47.0 - - 49.1 - - 48.3 - - 43.2 Temp@2m DewPt@2m 33.4 - - 30.5 - - 31.9 - - 35.8 - - 37.5 DewPt@2m Temp@Bot 43.7 - - 47.3 - - 49.4 - - 48.7 - - 44.1 Temp@Bot DewPt@Bot 32.9 - - 29.4 - - 31.1 - - 35.5 - - 38.0 DewPt@bot Sfc.Heating -9 - - 40 - - 50 - - 6 - - -31 Sfc.Heating BL Depth 16 - - 16 - - 16 - - 16 - - 16 BL Depth EXPERIMENT 0 - - 4 - - 44 - - 48 - - 103 EXPERIMENT EXPERIMENT2 5 - - 5 - - 5 - - 6 - - 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] 98920 6 275 12 272 15 318 16 316 12 287 98920 92725 9 278 11 269 16 292 17 303 14 279 92725 87718 9 272 6 259 14 271 17 300 11 274 87718 83440 5 246 5 252 12 257 14 305 5 267 83440 79681 4 236 6 277 8 252 10 306 4 297 79681 76313 2 204 5 286 6 239 8 308 3 331 76313 73230 2 145 3 287 4 210 6 304 3 355 73230 70369 2 123 3 278 4 180 4 291 3 010 70369 67699 1 016 3 266 2 187 3 283 3 011 67699 65098 4 315 3 259 3 260 3 297 3 002 65098 62371 6 293 5 256 5 273 4 299 3 355 62371 59532 8 288 7 258 8 271 5 288 4 342 59532 56812 11 290 7 272 10 273 7 288 6 328 56812 54360 15 286 9 284 11 279 8 295 7 320 54360 52164 17 281 12 282 12 281 9 301 9 320 52164 50171 18 278 16 277 14 279 12 298 11 319 50171 48348 19 275 18 273 14 276 13 291 12 314 48348 46665 20 270 18 271 14 276 13 285 13 308 46665 45103 22 264 20 270 14 279 14 282 14 304 45103 43647 24 256 21 267 16 276 15 279 15 297 43647 42283 23 247 22 261 17 268 14 275 14 289 42283 40974 22 236 23 253 18 258 14 270 13 281 40974 39654 20 225 23 243 18 252 13 262 11 266 39654 38296 19 221 22 237 18 251 12 251 10 244 38296 36903 18 223 22 239 18 251 11 238 12 220 36903 35463 18 230 22 246 20 249 13 231 14 210 35463 33961 20 236 23 253 23 242 16 232 14 214 33961 32394 20 239 24 257 26 238 19 235 14 226 32394 30755 20 241 24 258 25 239 18 238 14 238 30755 29040 20 244 23 256 23 243 15 240 14 239 29040 27249 19 248 22 253 21 245 14 243 14 229 27249 25375 19 251 21 249 19 244 15 244 14 213 25375 23414 17 251 19 245 18 237 14 235 13 198 23414 21409 15 246 16 236 16 228 13 213 16 187 21409 19473 15 238 16 222 15 218 15 194 18 179 19473 17710 17 230 17 215 15 210 16 184 19 174 17710 16142 18 222 18 213 15 203 15 177 17 165 16142 14747 17 215 17 213 14 197 13 174 14 156 14747 13508 15 210 15 210 12 192 10 172 11 150 13508 12407 13 206 12 203 9 191 7 177 7 149 12407 11432 12 201 10 193 7 195 4 193 3 161 11432 10573 11 198 8 190 6 208 3 226 2 234 10573 9816 10 198 7 195 7 229 6 267 4 281 9816 9139 10 203 7 207 9 242 10 273 7 291 9139 8542 11 209 7 220 10 245 12 273 9 289 8542 8046 11 215 7 227 10 247 12 272 11 286 8046 7666 11 219 8 230 10 247 12 269 11 285 7666 7404 10 220 7 230 10 247 11 267 10 283 7404 7246 8*221 6*232 9*247 10*266 9*282 7246 7155 5*227 5*233 7*246 8*265 6*281 7155 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