UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122023.upa.cvt Date: 2300Z 20 DEC 25 Searching for YBCV... Searching the city database file for: YBCV ... Date:2300Z 20 DEC 25 Station: YBCV WMO ident: 94510 Latitude: -26.40 Longitude: 146.27 Elevation: 304.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 67 SFC 974 304 32.0 18.0 43 14.0 22.1 5 16 307.5 310.0 296.2 348.0 13.45 2 971 332 29.4 16.4 45 13.0 20.5 3 16 305.1 307.4 294.7 341.5 12.17 3 925 760 25.2 15.2 54 10.0 18.4 345 14 305.1 307.3 294.4 340.4 11.82 4 877 1226 21.4 13.4 60 8.0 16.1 305 23 305.8 307.9 294.1 339.1 11.08 5 865 1346 23.0 10.0 44 13.0 14.7 310 19 308.7 310.4 293.3 336.0 8.95 6 850 1498 22.2 10.2 46 12.0 14.5 315 14 309.4 311.1 293.7 337.6 9.23 7 772 2326 16.4 3.4 42 13.0 8.9 56 10 311.8 313.0 292.1 331.5 6.34 8 700 3149 9.2 -0.8 50 10.0 3.9 60 13 312.7 313.7 291.4 328.9 5.16 9 674 3461 6.6 -0.4 61 7.0 2.9 60 12 313.2 314.2 291.9 330.5 5.52 10 634 3960 4.4 -31.6 5 36.0 -5.3 29 11 316.2 316.3 288.0 317.7 0.43 11 614 4221 4.0 -37.0 3 41.0 -6.0 2 10 318.6 318.7 288.6 319.6 0.26 12 586 4599 2.8 -21.2 15 24.0 -5.4 325 15 321.5 321.8 290.5 325.7 1.20 13 550 5108 -1.1 -6.1 69 5.0 -3.5 333 20 322.8 323.6 293.6 337.3 4.41 14 534 5342 -2.5 -12.5 46 10.0 -6.6 342 22 323.8 324.4 292.6 333.1 2.74 15 516 5613 -4.9 -7.2 84 2.3 -6.0 341 23 324.1 325.0 293.9 338.4 4.32 16 511 5689 -5.1 -6.7 89 1.6 -5.8 338 23 324.8 325.7 294.3 339.8 4.54 17 500 5860 -6.1 -10.0 74 3.9 -7.8 320 21 325.6 326.3 293.7 337.6 3.58 18 481 6163 -7.7 -9.9 84 2.2 -8.7 326 21 327.3 328.0 294.3 339.9 3.75 19 461 6493 -8.5 -18.5 44 10.0 -12.0 312 16 330.3 330.6 293.6 337.0 1.93 20 449 6697 -10.5 -16.5 61 6.0 -12.7 317 17 330.2 330.7 293.9 338.4 2.34 21 429 7047 -12.1 -26.1 30 14.0 -16.0 324 19 332.5 332.8 293.4 336.4 1.06 22 400 7580 -14.9 -34.9 16 20.0 -19.1 300 13 335.6 335.7 293.7 337.5 0.49 23 353 8516 -19.7 -55.7 3 36.0 -23.8 321 15 341.4 341.4 294.7 341.6 0.06 24 300 9700 -29.3 -61.3 3 32.0 -31.6 295 17 344.1 344.1 295.3 344.2 0.03 25 282 10141 -32.5 -57.5 6 25.0 -34.3 301 16 345.6 345.6 295.7 345.9 0.06 26 250 10980 -40.3 -52.3 27 12.0 -41.1 275 21 346.2 346.2 295.9 346.7 0.12 27 242 11200 -42.5 -48.5 52 6.0 -42.9 271 22 346.1 346.1 296.0 346.9 0.19 28 241 11228 -42.7 -50.7 41 8.0 -43.2 271 22 346.2 346.2 295.9 346.8 0.15 29 239 11284 -42.7 -46.2 68 3.5 -43.0 270 23 347.0 347.1 296.2 348.1 0.25 30 235 11398 -43.1 -55.1 26 12.0 -43.7 268 23 348.1 348.1 296.3 348.5 0.09 31 233 11455 -43.3 -52.3 36 9.0 -43.8 267 24 348.6 348.7 296.4 349.2 0.13 32 209 12174 -50.1 -55.1 55 5.0 -50.3 255 28 349.0 349.0 296.5 349.5 0.10 33 205 12300 -50.7 -65.7 15 15.0 -51.1 257 30 350.0 350.0 296.7 350.1 0.03 34 201 12428 -51.7 -60.7 33 9.0 -52.0 259 33 350.4 350.4 296.8 350.6 0.05 35 200 12460 -51.9 -60.9 33 9.0 -52.2 260 34 350.6 350.6 296.8 350.8 0.05 36 189 12824 -54.1 -70.1 12 16.0 -54.4 260 36 352.8 352.8 297.3 352.8 0.02 37 162 13791 -62.5 -70.5 33 8.0 -62.6 260 43 354.5 354.5 297.6 354.6 0.02 38 154 14100 -64.9 -84.9 5 20.0 -65.0 260 45 355.6 355.6 297.8 355.6 0.00 39 150 14260 -66.1 -83.1 8 17.0 -66.2 260 46 356.2 356.2 298.0 356.2 0.00 40 121 15529 -76.7 -83.7 32 7.0 -76.7 265 33 359.4 359.4 298.6 359.4 0.00 41 118 15673 -77.5 -86.5 22 9.0 -77.5 267 29 360.5 360.5 298.8 360.5 0.00 42 111 16026 -74.1 -90.1 7 16.0 -74.2 281 23 373.2 373.3 301.1 373.3 0.00 43 100 16630 -76.7 -91.7 7 15.0 -76.7 310 19 379.5 379.5 302.2 379.5 0.00 44 82 17767 -80.1 -92.1 12 12.0 -80.1 360 27 394.7 394.7 304.5 394.8 0.00 45 70 18670 -78.1 -90.1 13 12.0 -78.1 285 9 417.3 417.3 307.4 417.3 0.00 46 63 19275 -77.7 -90.7 11 13.0 -77.7 338 14 430.9 430.9 308.9 431.0 0.00 47 50 20630 -69.3 -92.3 2 23.0 -69.5 95 25 480.2 480.2 313.5 480.2 0.00 48 36 22667 -54.9 -88.9 1 34.0 -56.3 105 11 564.7 564.7 318.9 564.8 0.00 49 30 23830 -56.7 -88.7 1 32.0 -58.0 110 4 590.1 590.1 320.2 590.1 0.00 50 24 25241 -58.1 -89.1 1 31.0 -59.5 82 21 624.9 624.9 321.7 624.9 0.01 51 20 26400 -54.1 -88.1 1 34.0 -56.5 60 35 670.6 670.6 323.4 670.6 0.01 52 19 26730 -53.7 -87.7 1 34.0 -56.3 63 35 681.7 681.7 323.9 681.8 0.01 53 16 27831 -56.1 -89.1 1 33.0 -58.5 71 37 708.2 708.2 324.7 708.3 0.01 54 11 30314 -38.5 -80.5 0 42.0 -49.1 90 40 852.3 852.3 328.4 852.8 0.06 55 10 30970 -38.1 -80.1 0 42.0 -49.4 95 41 877.3 877.4 329.0 878.0 0.07 56 9.2 31545 -37.1 -79.1 0 42.0 -49.4 902.3 902.4 329.5 903.2 0.08 TRP 82 17767 -80.1 -92.1 12 12.0 -80.1 360 27 394.7 394.7 304.5 394.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5793.00 m Freezing level: 560.15 mb = 4964.06 m = 16286.09 ft Wetbulb zero: 659.80 mb = 3634.45 m = 11923.89 ft Precipitable water: 1.28 inches Sfc-500 mean rel hum: 44.51 % Est. max temperature: 34.71 C = 94.47 F Sfc-Lift cond lev (LCL): 795.53 mb = 2067.64 m = 6783.50 ft T: 18.21 C 700-500 lapse rate: 5.64 C/km ThetaE index: 12.08 C Layer 971.0- 850.0 mb Conv cond level (CCL): 719.48 mb = 2918.27 m = 9574.25 ft Mean mixing ratio: 11.71 g/kg Conv temperature: 36.95 C = 98.51 F Cap Strength: 5.39 C Lifted Index: 0.50 C Risk: Showers probable Lifted Index @300 mb: 4.55 C Lifted Index @700 mb: 1.39 C Showalter Index: 1.67 C Risk: Showers probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.30 C Cross Totals Index: 16.30 C K Index: 28.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 171.40 Risk: None Energy Index: -0.00 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.34 J/kg Max Up Vert Vel: 2.58 m/s Conv Inhibition (B-): 39751.05 J/kg Cap Strength: 5.39 C Lift Cond Lev (LCL): 794.51 mb = 2078.66 m = 6819.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 20 at 11 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 974 304 5 16 -1.4 -15.9 | 335 6 2.5 -5.2 1 941 610 340 14 4.8 -13.2 | 286 9 8.7 -2.5 2 925 760 345 14 3.6 -13.5 | 291 8 7.5 -2.8 3 909 914 350 19 3.3 -18.7 | 318 11 7.2 -8.0 4 878 1219 305 23 18.8 -13.2 | 276 23 22.7 -2.5 5 850 1498 315 14 9.9 -9.9 | 267 14 13.8 0.8 6 847 1524 315 14 9.9 -9.9 | 267 14 13.8 0.8 7 789 2134 35 8 -4.6 -6.6 | 170 4 -0.7 4.1 8 761 2438 70 11 -10.3 -3.8 | 137 9 -6.4 6.9 9 734 2743 55 10 -8.2 -5.7 | 139 7 -4.3 5.0 10 708 3048 70 13 -12.2 -4.4 | 127 10 -8.3 6.2 11 700 3149 60 13 -11.3 -6.5 | 120 8 -7.4 4.2 12 657 3658 60 11 -9.5 -5.5 | 133 8 -5.6 5.2 13 609 4267 355 10 0.9 -10.0 | 261 5 4.8 0.7 14 587 4572 325 15 8.6 -12.3 | 277 13 12.5 -1.6 15 565 4877 315 19 13.4 -13.4 | 279 18 17.3 -2.7 16 544 5182 340 21 7.2 -19.7 | 309 14 11.1 -9.0 17 524 5486 345 23 6.0 -22.2 | 320 15 9.8 -11.5 18 504 5791 335 23 9.7 -20.8 | 307 17 13.6 -10.2 19 500 5860 320 21 13.5 -16.1 | 287 18 17.4 -5.4 20 485 6096 330 22 11.0 -19.1 | 299 17 14.9 -8.4 21 466 6401 310 15 11.5 -9.6 | 266 15 15.4 1.1 22 431 7010 325 19 10.9 -15.6 | 288 16 14.8 -4.9 23 400 7580 300 13 11.3 -6.5 | 255 16 15.1 4.2 24 366 8230 285 16 15.5 -4.1 | 251 20 19.3 6.6 25 351 8534 325 15 8.6 -12.3 | 277 13 12.5 -1.6 26 310 9449 295 18 16.3 -7.6 | 261 20 20.2 3.1 27 300 9700 295 17 15.4 -7.2 | 260 20 19.3 3.5 28 285 10058 305 16 13.1 -9.2 | 265 17 17.0 1.5 29 261 10668 275 18 17.9 -1.6 | 247 24 21.8 9.1 30 250 10980 275 21 20.9 -1.8 | 250 26 24.8 8.9 31 208 12192 255 28 27.0 7.2 | 240 36 30.9 17.9 32 200 12460 260 34 33.5 5.9 | 246 41 37.4 16.6 33 150 14260 260 46 45.3 8.0 | 249 53 49.2 18.7 34 134 14935 255 50 48.3 12.9 | 246 57 52.2 23.6 35 114 15850 270 24 24.0 -0.0 | 249 30 27.9 10.7 36 108 16154 290 23 21.6 -7.9 | 264 26 25.5 2.8 37 100 16630 310 19 14.6 -12.2 | 275 19 18.4 -1.5 38 98 16764 310 19 14.6 -12.2 | 275 19 18.4 -1.5 39 82 17767 360 27 -0.0 -27.0 | 347 17 3.9 -16.3 40 70 18670 285 9 8.7 -2.3 | 236 15 12.6 8.4 41 50 20630 95 25 -24.9 2.2 | 121 25 -21.0 12.9 42 30 23830 110 4 -3.8 1.4 | 181 12 0.1 12.1 43 20 26400 60 35 -30.3 -17.5 | 76 27 -26.4 -6.8 44 10 30970 95 41 -40.8 3.6 | 111 40 -37.0 14.3 Wind Parameters Mean winds (0-6000m): 350.0 at 15.2 knts Storm direction: 20.0 at 11.4 knts Shear (0-3000m) pos: 4.7 neg: 3.0 tot: 7.7 10-3/s Storm rel Dir Shear (0-3000m): 148.7 deg Storm rel helicity (0-3000m) pos: 17.4 neg: -88.6 tot: -71.3 m^2/s^2 ave: -23.8 10^-3 m/s^2 rel: -0.36 Storm rel vorticity (0-3000m) horiz: 11.6 stream: -4.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 96.25 Bulk Shear: 0.03 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 350 15 300 8| 0.0 5.3 5.3| 4.5 -11.1 -6.6 -13.1 -0.44| 9.3 -4.1 1000 336 17 296 12| 0.0 9.1 9.1| 11.5 -64.2 -52.7 -52.7 -0.42| 16.0 -6.7 1500 332 16 288 12| 4.9 6.1 11.0| 16.2 -74.7 -58.4 -38.9 -0.30| 15.8 -4.8 2000 337 15 286 10| 6.4 4.6 10.9| 16.2 -81.6 -65.3 -32.7 -0.38| 14.8 -5.6 2500 349 14 293 7| 5.3 3.6 9.0| 16.6 -83.7 -67.0 -26.8 -0.36| 12.9 -4.7 3000 1 14 308 5| 4.7 3.0 7.7| 17.4 -88.6 -71.3 -23.8 -0.36| 11.6 -4.2 4000 11 13 324 2| 3.5 3.8 7.3| 21.9 -88.9 -66.9 -16.7 -0.23| 10.5 -2.4 5000 358 14 304 5| 3.3 4.2 7.5| 64.1 -89.2 -25.1 -5.0 -0.08| 10.6 -0.8 6000 350 15 303 8| 2.8 3.9 6.7| 82.3-154.9 -72.6 -12.1 -0.15| 10.6 -1.6 Wrote GIF file: /home/apache/climate/data/raob//YBCV/skewt/YBCV.skewt.20251220.23.gif